General

  • Target

    fceeb6a2cbe5569d068c73f4d8b89ef6eebd51691f879a2f8d6db8f8300aea97.exe

  • Size

    4.0MB

  • Sample

    210703-c3rkm5thde

  • MD5

    e39198b2387731adaf3b28ef7234a83c

  • SHA1

    ee6a8aa67f0ed2634bc43b09b0f7d5666e03516b

  • SHA256

    fceeb6a2cbe5569d068c73f4d8b89ef6eebd51691f879a2f8d6db8f8300aea97

  • SHA512

    a3eb7728c8f63f772af553a1730e1585bae28487afa4e8e2e84f7e70f0ac1bb778dd2642a8c15b95138b196db8ec3d4f433cbed70a502649d0a4519d5055e7aa

Malware Config

Extracted

Family

redline

Botnet

DomAni

C2

varinnitof.xyz:80

Extracted

Family

vidar

Version

39.4

Botnet

865

C2

https://sergeevih43.tumblr.com

Attributes
  • profile_id

    865

Targets

    • Target

      fceeb6a2cbe5569d068c73f4d8b89ef6eebd51691f879a2f8d6db8f8300aea97.exe

    • Size

      4.0MB

    • MD5

      e39198b2387731adaf3b28ef7234a83c

    • SHA1

      ee6a8aa67f0ed2634bc43b09b0f7d5666e03516b

    • SHA256

      fceeb6a2cbe5569d068c73f4d8b89ef6eebd51691f879a2f8d6db8f8300aea97

    • SHA512

      a3eb7728c8f63f772af553a1730e1585bae28487afa4e8e2e84f7e70f0ac1bb778dd2642a8c15b95138b196db8ec3d4f433cbed70a502649d0a4519d5055e7aa

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • UPX packed file

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

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

2
T1031

New Service

1
T1050

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

7
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks