Overview

overview

10

Static

static

f91deae6f1...2f.exe

windows7-x64

10

f91deae6f1...2f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f91deae6f18054467eafaec13876afe848fd003fcc30b3c1b491c8e5a12d0a2f

  • Size

    20.6MB

  • Sample

    221201-mdfbxsch6v

  • MD5

    c9d30935cb9350dbce1cbfc2ac92dbc5

  • SHA1

    e66ccf6cb22f07c6e80645dd715631dc00293936

  • SHA256

    f91deae6f18054467eafaec13876afe848fd003fcc30b3c1b491c8e5a12d0a2f

  • SHA512

    19d7858888c385b7f1d54fd1ab4cab92a5e07e452b929b6b4004518dec0f54c8f02ebc883992c80cd1e4c83da682f1a73c744e2630278a3947c5955585087847

  • SSDEEP

    49152:GTLnvop5uWKmeI31s85sRK0zVaSU64qRKZCkFMjQeMuSIu1+AtcqzWS:2LdZmW8ux0h64BQkiQeMuSIu1+AOqzv

Score
10/10
isrstealerpersistencestealertrojanupx

Malware Config

Targets

    • Target

      f91deae6f18054467eafaec13876afe848fd003fcc30b3c1b491c8e5a12d0a2f

    • Size

      20.6MB

    • MD5

      c9d30935cb9350dbce1cbfc2ac92dbc5

    • SHA1

      e66ccf6cb22f07c6e80645dd715631dc00293936

    • SHA256

      f91deae6f18054467eafaec13876afe848fd003fcc30b3c1b491c8e5a12d0a2f

    • SHA512

      19d7858888c385b7f1d54fd1ab4cab92a5e07e452b929b6b4004518dec0f54c8f02ebc883992c80cd1e4c83da682f1a73c744e2630278a3947c5955585087847

    • SSDEEP

      49152:GTLnvop5uWKmeI31s85sRK0zVaSU64qRKZCkFMjQeMuSIu1+AtcqzWS:2LdZmW8ux0h64BQkiQeMuSIu1+AOqzv

    Score
    10/10
    isrstealerpersistencestealertrojanupx

    • ISR Stealer

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

      trojanstealerisrstealer

    • ISR Stealer payload

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks