General

  • Target

    a361d0ab7facb9cb9d4f4508c45e7514.exe

  • Size

    7.3MB

  • Sample

    211218-akg3waecf2

  • MD5

    a361d0ab7facb9cb9d4f4508c45e7514

  • SHA1

    1cef8d3c3003278d875338ee0426467d5a5e151d

  • SHA256

    41f98a33b862b72dfa91c3f7757f5d3760418582809a310f1a2d52e3012e2f5c

  • SHA512

    6f34e395d809c6161e8da6755386651adb0ce3a21bead95be9d366a27fd2deada7de87dca5cd787f4f1918653e21941640ce33744854b0ca85ac7a9ef92c807d

Malware Config

Extracted

Family

socelars

C2

http://www.yarchworkshop.com/

Extracted

Family

vidar

Version

49

Botnet

915

C2

https://mstdn.social/@sergeev43

https://koyu.space/@sergeev45

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

media14n

C2

65.108.69.168:13293

Extracted

Family

redline

Botnet

v2user1

C2

159.69.246.184:13127

Targets

    • Target

      a361d0ab7facb9cb9d4f4508c45e7514.exe

    • Size

      7.3MB

    • MD5

      a361d0ab7facb9cb9d4f4508c45e7514

    • SHA1

      1cef8d3c3003278d875338ee0426467d5a5e151d

    • SHA256

      41f98a33b862b72dfa91c3f7757f5d3760418582809a310f1a2d52e3012e2f5c

    • SHA512

      6f34e395d809c6161e8da6755386651adb0ce3a21bead95be9d366a27fd2deada7de87dca5cd787f4f1918653e21941640ce33744854b0ca85ac7a9ef92c807d

    • 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

    • 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

    • 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.

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

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