General

  • Target

    523fc53a3afa854ca34abb66f224281f57467bee9cc0eb10beea5fd14ebf60a9

  • Size

    1.7MB

  • Sample

    220717-d6b1jaeda4

  • MD5

    f2d7e52b6f02da7e308e27681ba27b39

  • SHA1

    b96aba9b3e867c22e29c72e083b14f1865a1c7ff

  • SHA256

    523fc53a3afa854ca34abb66f224281f57467bee9cc0eb10beea5fd14ebf60a9

  • SHA512

    e8e015025b0574e78900c10eaac7d869fec223164181392b2d0683ae87d7a61d645bfed9a1439a586cacc70bb633f5a6d10b7e39b4c5801705bff580412c9623

Malware Config

Targets

    • Target

      523fc53a3afa854ca34abb66f224281f57467bee9cc0eb10beea5fd14ebf60a9

    • Size

      1.7MB

    • MD5

      f2d7e52b6f02da7e308e27681ba27b39

    • SHA1

      b96aba9b3e867c22e29c72e083b14f1865a1c7ff

    • SHA256

      523fc53a3afa854ca34abb66f224281f57467bee9cc0eb10beea5fd14ebf60a9

    • SHA512

      e8e015025b0574e78900c10eaac7d869fec223164181392b2d0683ae87d7a61d645bfed9a1439a586cacc70bb633f5a6d10b7e39b4c5801705bff580412c9623

    • BetaBot

      Beta Bot is a Trojan that infects computers and disables Antivirus.

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Executes dropped EXE

    • Sets file execution options in registry

    • UPX packed file

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

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Maps connected drives based on registry

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Defense Evasion

Modify Registry

7
T1112

Discovery

Query Registry

5
T1012

System Information Discovery

7
T1082

Peripheral Device Discovery

1
T1120

Tasks