General

  • Target

    a5b0a26ee96a47870bb4058f71f649eb2bcac0275c89a8eeda6d058fe98cbbd5

  • Size

    3.6MB

  • Sample

    210511-49d15rgr3s

  • MD5

    7edc522f1dd53a98bdb4405d789d0e2f

  • SHA1

    e59b28e23ed3c0b70c4f6ba63c41d24ff3e0c254

  • SHA256

    a5b0a26ee96a47870bb4058f71f649eb2bcac0275c89a8eeda6d058fe98cbbd5

  • SHA512

    1173b8ec85f37e69e649991e3e3c64da68b6d002a0b59c760e7933529f7f581f3d475ad4a8942c1f75febc1c045969f1b971050565fdcf2403cfff8f5c0ed1a5

Malware Config

Targets

    • Target

      a5b0a26ee96a47870bb4058f71f649eb2bcac0275c89a8eeda6d058fe98cbbd5

    • Size

      3.6MB

    • MD5

      7edc522f1dd53a98bdb4405d789d0e2f

    • SHA1

      e59b28e23ed3c0b70c4f6ba63c41d24ff3e0c254

    • SHA256

      a5b0a26ee96a47870bb4058f71f649eb2bcac0275c89a8eeda6d058fe98cbbd5

    • SHA512

      1173b8ec85f37e69e649991e3e3c64da68b6d002a0b59c760e7933529f7f581f3d475ad4a8942c1f75febc1c045969f1b971050565fdcf2403cfff8f5c0ed1a5

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Executes dropped EXE

    • Suspicious Office macro

      Office document equipped with macros.

    • 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.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

5
T1082

Collection

Data from Local System

3
T1005

Tasks