General

  • Target

    85616aee4378a829d366178f044da0c8.exe

  • Size

    4.3MB

  • Sample

    221127-pp2emsgd73

  • MD5

    85616aee4378a829d366178f044da0c8

  • SHA1

    eaad647ae0ac3681fc1fceb224e6f986234e3978

  • SHA256

    71ee360efd0c5763ed9799acb28286af193392d18416535eec639cc7a4a258eb

  • SHA512

    72be226b6751a90d810e282c0504f82c15b8c320da301ffff822f24602088e6f3b1b29116da61c9228a3958d873754c4cb23469a28219fe17f4326eda4935a43

  • SSDEEP

    98304:om9vCApJPC8/VaFW3HKAPM8Njel8kLX4tkmTT6t:omZZpJPCwsFkhrN6/yzSt

Malware Config

Extracted

Family

vidar

Version

55.9

Botnet

1707

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes
  • profile_id

    1707

Extracted

Family

amadey

Version

3.50

C2

77.73.134.66/o7Vsjd3a2f/index.php

Targets

    • Target

      85616aee4378a829d366178f044da0c8.exe

    • Size

      4.3MB

    • MD5

      85616aee4378a829d366178f044da0c8

    • SHA1

      eaad647ae0ac3681fc1fceb224e6f986234e3978

    • SHA256

      71ee360efd0c5763ed9799acb28286af193392d18416535eec639cc7a4a258eb

    • SHA512

      72be226b6751a90d810e282c0504f82c15b8c320da301ffff822f24602088e6f3b1b29116da61c9228a3958d873754c4cb23469a28219fe17f4326eda4935a43

    • SSDEEP

      98304:om9vCApJPC8/VaFW3HKAPM8Njel8kLX4tkmTT6t:omZZpJPCwsFkhrN6/yzSt

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Detect Amadey credential stealer module

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Blocklisted process makes network request

    • 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.

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook profiles

    • 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

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

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks