General

  • Target

    43181faf4b89af5f0bcaf4723d9424c7c723e3489f46286ea0c3b57483dc5b16

  • Size

    2.1MB

  • Sample

    220707-31elxabdb5

  • MD5

    65c47159ad930504229825ef323aecf8

  • SHA1

    26974a01d0815a6f5cc63b34527a1a6a91ba2705

  • SHA256

    43181faf4b89af5f0bcaf4723d9424c7c723e3489f46286ea0c3b57483dc5b16

  • SHA512

    d2ccc975b97380f2c3d4fdc0d403f0b150b4e34eedc6b1e3f4d4d1ff773a6bb0d7dcb48cccfd83e8ac06ec2972006da9bc21481cadf02563dcc17cbe89888d77

Malware Config

Targets

    • Target

      43181faf4b89af5f0bcaf4723d9424c7c723e3489f46286ea0c3b57483dc5b16

    • Size

      2.1MB

    • MD5

      65c47159ad930504229825ef323aecf8

    • SHA1

      26974a01d0815a6f5cc63b34527a1a6a91ba2705

    • SHA256

      43181faf4b89af5f0bcaf4723d9424c7c723e3489f46286ea0c3b57483dc5b16

    • SHA512

      d2ccc975b97380f2c3d4fdc0d403f0b150b4e34eedc6b1e3f4d4d1ff773a6bb0d7dcb48cccfd83e8ac06ec2972006da9bc21481cadf02563dcc17cbe89888d77

    • BetaBot

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

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • suricata: ET MALWARE Win32/Neurevt.A/Betabot Check-in 4

      suricata: ET MALWARE Win32/Neurevt.A/Betabot Check-in 4

    • 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.

    • Drops startup file

    • 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

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Tasks