-= Per source details. Do not edit below this line.=-
Once run, downloads and install from sleipnirbrowser[.]org a suspicious executable pretending to be a webbrowser. This website appears to be a scam using some kind of crypto tokens, and trying to impersonate a legitimate Slepnir web browser (https://en.wikipedia.org/wiki/Sleipnir_(web_browser)).
Later versions switched to install a software identified as LUMMA infostealer (e.g. https://tria.ge/240817-whze2aydkc), hidden in different executables
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2024-08-sleipnirbrowser-web3
Reasons (based on the campaign):
Downloads and executes a remote executable.
dependency-confusion
crypto-related
modify-system-without-consent
impersonation
{
"iocs": {
"domains": [
"sleipnirbrowser.org"
],
"urls": [
"https://sleipnirbrowser.org/api/python/14526470/win",
"https://sleipnirbrowser.org/api/python/79D83767/mac",
"https://sleipnirbrowser.org/api/python/79D83767/win"
]
},
"malicious-packages-origins": [
{
"id": "RLMA-2024-08431",
"import_time": "2024-10-24T00:57:00.251173964Z",
"modified_time": "2024-10-16T14:42:49Z",
"sha256": "f4c2ed44682d9e8aeb0af5c089ded63e048d20cad21f6692eb54fcfcf4e5a914",
"source": "reversing-labs",
"versions": [
"0.1.1",
"0.1.2",
"0.1.3"
]
},
{
"id": "pypi/2024-08-sleipnirbrowser-web3/jupiterhelper",
"import_time": "2025-12-02T22:30:55.287553438Z",
"modified_time": "2024-08-10T16:25:59Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "16159e1e7d5967a767a15190ad93bd78c25a28da00f1dd2a0f3ab84b4a346227",
"source": "kam193"
},
{
"id": "pypi/2024-08-sleipnirbrowser-web3/jupiterhelper",
"import_time": "2025-12-02T23:07:18.311324628Z",
"modified_time": "2024-08-10T16:25:59Z",
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"sha256": "5a8e36ac6c995bb1a6fa9de762d459e8a108754dba767f6f3d19c385eb005b5e",
"source": "kam193"
},
{
"id": "pypi/2024-08-sleipnirbrowser-web3/jupiterhelper",
"import_time": "2025-12-10T21:38:57.556602474Z",
"modified_time": "2024-08-10T16:25:59Z",
"sha256": "9bfe828fbb3a38cecdbf60b2101bb45c7ca49059289ce6329eca0a11b6b15a09",
"source": "kam193",
"versions": [
"0.1.1",
"0.1.2",
"0.1.3",
"0.1.5"
]
},
{
"id": "RLUA-2026-00443",
"import_time": "2026-03-19T12:19:56.750765814Z",
"modified_time": "2026-03-18T12:15:16Z",
"sha256": "638f3577106c1e317d78e6dafd3081305f1b8577a36ef193222c21d7762d1441",
"source": "reversing-labs"
}
]
}