General

  • Target

    file.exe

  • Size

    5.7MB

  • Sample

    221018-x5hlgadcg9

  • MD5

    e814b6bccc606830610efcd899e5d724

  • SHA1

    b9526c1ec6442ebea5f813342251328e5e59ccb9

  • SHA256

    2cf662a4d3efa315a348a9fbcaa3a8d4c1915f21d8f8841fc06b5f3c41ffc0c4

  • SHA512

    db5e46f1cef76effc3a24d8d7377f3e027d0b05a97cf90c1c858ed903a5d7311d842db68fbfcfa46a07c71087e0d6adf249382153e70b1ae9ce48121c7da1761

  • SSDEEP

    98304:bhTFIFAaPF0f5Z8H9HoUUX3lJsPGv6l3JjCLDk63fVZaG1SrMB3Gu6RQTtTg:bh2F0R7UGkP/VtCLo6m+Wupi

Malware Config

Extracted

Family

vidar

Version

55

Botnet

1679

C2

http://138.201.90.120:80

Attributes
  • profile_id

    1679

Targets

    • Target

      file.exe

    • Size

      5.7MB

    • MD5

      e814b6bccc606830610efcd899e5d724

    • SHA1

      b9526c1ec6442ebea5f813342251328e5e59ccb9

    • SHA256

      2cf662a4d3efa315a348a9fbcaa3a8d4c1915f21d8f8841fc06b5f3c41ffc0c4

    • SHA512

      db5e46f1cef76effc3a24d8d7377f3e027d0b05a97cf90c1c858ed903a5d7311d842db68fbfcfa46a07c71087e0d6adf249382153e70b1ae9ce48121c7da1761

    • SSDEEP

      98304:bhTFIFAaPF0f5Z8H9HoUUX3lJsPGv6l3JjCLDk63fVZaG1SrMB3Gu6RQTtTg:bh2F0R7UGkP/VtCLo6m+Wupi

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • 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

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Collection

Data from Local System

3
T1005

Tasks