Overview

overview

10

Static

static

8133ac485b...7a.exe

windows7-x64

10

8133ac485b...7a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8133ac485b0b77131493591ad4636a2c2414f5bcfe6d917bcd344ae1ac70c17a

  • Size

    931KB

  • Sample

    221021-ytbjfsdegj

  • MD5

    ef37b75fb8488cd171bf04013a2b6f36

  • SHA1

    2bd5c303bb4c30407a3d37f8dee86f6089c0e4b3

  • SHA256

    8133ac485b0b77131493591ad4636a2c2414f5bcfe6d917bcd344ae1ac70c17a

  • SHA512

    a777ffb11c7197df1036943c4907ac9ad768e01589d274a657ab185c898e2238b5153721c10aac68a6309405c0ceab0d278e78051a2766c66636b938e2500c31

  • SSDEEP

    12288:oRWNcr8oxnU1ztrABdy5oQc82UYoi6Cuw78YOJEn1GUEVQqYHQFOH9LPsv5mrNmu:LNBIUDMs+YYowu68GGUEtsh7N18Cf

Score
10/10
isrstealercollectionevasionpersistencestealertrojanupx

Malware Config

Targets

    • Target

      8133ac485b0b77131493591ad4636a2c2414f5bcfe6d917bcd344ae1ac70c17a

    • Size

      931KB

    • MD5

      ef37b75fb8488cd171bf04013a2b6f36

    • SHA1

      2bd5c303bb4c30407a3d37f8dee86f6089c0e4b3

    • SHA256

      8133ac485b0b77131493591ad4636a2c2414f5bcfe6d917bcd344ae1ac70c17a

    • SHA512

      a777ffb11c7197df1036943c4907ac9ad768e01589d274a657ab185c898e2238b5153721c10aac68a6309405c0ceab0d278e78051a2766c66636b938e2500c31

    • SSDEEP

      12288:oRWNcr8oxnU1ztrABdy5oQc82UYoi6Cuw78YOJEn1GUEVQqYHQFOH9LPsv5mrNmu:LNBIUDMs+YYowu68GGUEtsh7N18Cf

    Score
    10/10
    isrstealercollectionevasionpersistencestealertrojanupx

    • ISR Stealer

      ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

      trojanstealerisrstealer

    • ISR Stealer payload

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • Nirsoft

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks