General

  • Target

    AA0757FF23D0E6AE3488D584C4A0E0AC4686E10BFF852.exe

  • Size

    3.0MB

  • Sample

    210815-fmfkm9xznn

  • MD5

    5b181ab9f4f2393cc2e6a2782deeb5b1

  • SHA1

    ac66ae60789e7265b2dde59b834b33872ede2c90

  • SHA256

    aa0757ff23d0e6ae3488d584c4a0e0ac4686e10bff8523445ef76704bf31f691

  • SHA512

    78ef7ec46cd1f4306b45916d09b649179e453b97a3e8f1503decd335955a179f2ce1252087bd0f42858b08129abf285450cac89fe51b08de563c1cc59cdff494

Malware Config

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

@soul3ss

C2

188.130.139.12:23747

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/

rc4.i32
rc4.i32

Targets

    • Target

      AA0757FF23D0E6AE3488D584C4A0E0AC4686E10BFF852.exe

    • Size

      3.0MB

    • MD5

      5b181ab9f4f2393cc2e6a2782deeb5b1

    • SHA1

      ac66ae60789e7265b2dde59b834b33872ede2c90

    • SHA256

      aa0757ff23d0e6ae3488d584c4a0e0ac4686e10bff8523445ef76704bf31f691

    • SHA512

      78ef7ec46cd1f4306b45916d09b649179e453b97a3e8f1503decd335955a179f2ce1252087bd0f42858b08129abf285450cac89fe51b08de563c1cc59cdff494

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Tasks