General

  • Target

    a485cb752e66e54c92ef00a9ae8f2eba.exe

  • Size

    6.4MB

  • Sample

    211227-agl8escaa4

  • MD5

    a485cb752e66e54c92ef00a9ae8f2eba

  • SHA1

    c267fb5e1d5bd1abd6b3d4d4faea91587b600586

  • SHA256

    1d7c3a08d1e69e704039850f64a88363fc6c9f3721907aa3c0d8165ae20de3a1

  • SHA512

    c8b4a0c892f00a395ad01edcc2798f1ba51c1efe94b7579c5f857277658f6ce18e6da46dfde3969fd1dfc45083de68552b86a8d16658816f2c91c8eec2b278b1

Malware Config

Extracted

Family

socelars

C2

http://www.chosenncrowned.com/

Extracted

Family

vidar

Version

49.2

Botnet

915

C2

https://mstdn.social/@kipriauk9

https://qoto.org/@kipriauk8

Attributes
  • profile_id

    915

Extracted

Family

smokeloader

Version

2020

C2

http://rcacademy.at/upload/

http://e-lanpengeonline.com/upload/

http://vjcmvz.cn/upload/

http://galala.ru/upload/

http://witra.ru/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

userv1

C2

159.69.246.184:13127

Targets

    • Target

      a485cb752e66e54c92ef00a9ae8f2eba.exe

    • Size

      6.4MB

    • MD5

      a485cb752e66e54c92ef00a9ae8f2eba

    • SHA1

      c267fb5e1d5bd1abd6b3d4d4faea91587b600586

    • SHA256

      1d7c3a08d1e69e704039850f64a88363fc6c9f3721907aa3c0d8165ae20de3a1

    • SHA512

      c8b4a0c892f00a395ad01edcc2798f1ba51c1efe94b7579c5f857277658f6ce18e6da46dfde3969fd1dfc45083de68552b86a8d16658816f2c91c8eec2b278b1

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks