General

  • Target

    Pas$w0rds_FiIe_1234_Du2_Active.rar

  • Size

    4.2MB

  • Sample

    221208-mlp64acf5z

  • MD5

    26713ad375f6d34db5d150efa6cf366b

  • SHA1

    11418f130237e237815e089a4634ac97ebbf8e99

  • SHA256

    14c0e0ee6f7b71fa95d9503922349ea2268df30ff2763f18cbd4790261b6f43e

  • SHA512

    fdceaf73f27165a2d6e85569997a7b627085bbed617b56877a206dd94fa55b78300381e53d483c925019390d2abf877f155571634b0609c704fd8ff3f9ebb400

  • SSDEEP

    98304:mJnQP1rNr+WzWZgvMSP+RExlusJPpMJJ8YloUFKEiYrL3d:mG3r+WUg0SP+mSs/KJ8uRfbd

Malware Config

Extracted

Family

vidar

Version

56.1

Botnet

1707

C2

https://t.me/dishasta

https://steamcommunity.com/profiles/76561199441933804

Attributes
  • profile_id

    1707

Targets

    • Target

      Setup.exe

    • Size

      428.1MB

    • MD5

      90b55fb63d500df098a3da8bdc4c07ba

    • SHA1

      11fb1b9c094e79d4118151117077f45275b87d45

    • SHA256

      845d709f5b400025a67cf4dc23822a6d50593bbeda5c302af1e7ba70b78a90bb

    • SHA512

      a6464123d1deee98de9f38691587c05af1d4b577d92f894ed76512ecaf76a699ec9272fee6fba6e8167eb20d4bafb8b7132de2db695781b691cb1ad99ead5bc8

    • SSDEEP

      49152:IWEIITzW5PeHRshUT8E8Lnjz2TN9W4bA9zOVUKrknrU+7i1VInD82OXJEPz:wINq3T8Ey+J9CaVDknrj7+VS8nXJQz

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

    • Modifies file permissions

    • 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 whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Collection

Data from Local System

3
T1005

Tasks