General

  • Target
    96a9d2e8a0af33f73a1435b9672dd22e65121bc5931ec3c130c8d062a01cf448
  • Size 15.8MB
  • Sample260711-vfa4zshv2w
  • SHA256 96a9d2e8a0af33f73a1435b9672dd22e65121bc5931ec3c130c8d062a01cf448
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remus_stealer

C2
  • http://dikdiy.xyz:6504

  • http://carogra.biz:4219

  • http://geminyw.xyz:5003

Targets

    • Target
      96a9d2e8a0af33f73a1435b9672dd22e65121bc5931ec3c130c8d062a01cf448
    • Size 15.8MB
    • SHA256 96a9d2e8a0af33f73a1435b9672dd22e65121bc5931ec3c130c8d062a01cf448
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

    • Target
      $TEMP/Setup.vbs
    • Size 637B
    • SHA256 baa56b50510ec137c6189c4439a8be55aacdad30e7015c0399a04617b22188ef
    • MD5 SHA1 SHA512 TLSH
    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

    • Target
      $TEMP/data/.runner.ps1
    • Size 5KB
    • SHA256 8feb81a85463230b9df6626e464fe8c143bc38eebb44fd072ffc9824b5cf41f6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Remus stealer

    • Family: Remus

      Remus is a stealer written in C++.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target
      $TEMP/data/file1_parts/I1XRhj7JKqKn.part
    • Size 778KB
    • SHA256 efc96adf1c04c1a30dccd6f3e471b3b3862c8127ba394615d496056c6908c0d6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      $TEMP/data/file2_parts/y0eohlQbbxVo.part
    • Size 285KB
    • SHA256 97a9341a22c95363f9a1d8e7544e84ce86d9b2515fb241a847c00f175cb67828
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      $TEMP/data/~run.bat
    • Size 486B
    • SHA256 526322589fa39b64752b778f95dbbd532833cc53a747aa236d96920f6f9a66c4
    • MD5 SHA1 SHA512 TLSH
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks