General

  • Target

    7e7dedd4d35f8e4222cb170dd85293f796f48d2ba1eb07788debcab7260f8d8b

  • Size

    401.5MB

  • Sample

    221128-fpxl1sgd52

  • MD5

    868f73e8879cab81af7296544785364b

  • SHA1

    956886eadbdcba8d49eb6037a97dcbb317222efd

  • SHA256

    7e7dedd4d35f8e4222cb170dd85293f796f48d2ba1eb07788debcab7260f8d8b

  • SHA512

    0ba81ffbf7671d7f9a220b064d561c7fec5d9bea15ee3cf2ce66354a4ba8ebea8c9c424a2ecf7f6e01c477bb1e6165169657e9d58aee16d33bae88f9cc14a52f

  • SSDEEP

    98304:+sn8Ly9joku2Wf6LoN8yNdZIb3IfBgY9ovZBeSM6j4qOQh:5uy5o4SanyxxHmvDa68qOQ

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

      7e7dedd4d35f8e4222cb170dd85293f796f48d2ba1eb07788debcab7260f8d8b

    • Size

      401.5MB

    • MD5

      868f73e8879cab81af7296544785364b

    • SHA1

      956886eadbdcba8d49eb6037a97dcbb317222efd

    • SHA256

      7e7dedd4d35f8e4222cb170dd85293f796f48d2ba1eb07788debcab7260f8d8b

    • SHA512

      0ba81ffbf7671d7f9a220b064d561c7fec5d9bea15ee3cf2ce66354a4ba8ebea8c9c424a2ecf7f6e01c477bb1e6165169657e9d58aee16d33bae88f9cc14a52f

    • SSDEEP

      98304:+sn8Ly9joku2Wf6LoN8yNdZIb3IfBgY9ovZBeSM6j4qOQh:5uy5o4SanyxxHmvDa68qOQ

    • 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.

    • 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

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks