General

  • Target

    a72c61ef836405afa7fe463c92d1d8bb.exe

  • Size

    7.1MB

  • Sample

    211220-axyldshcd4

  • MD5

    a72c61ef836405afa7fe463c92d1d8bb

  • SHA1

    a6ae7a13e83bd5f66680e3449d9da8e3e57f1965

  • SHA256

    7d11586c00eeb3c5a62f8924e862f4926e5c0632b1eb9e95008d91a5f689b1eb

  • SHA512

    5a068c6f5021682079acbb72ff35cdd37998b13c743511e22ce495cc4f25dfb31b87db793600245466949d4b38e0f74ed195550fdc9f42b4a5a75516091c8f0e

Malware Config

Extracted

Family

socelars

C2

http://www.biohazardgraphics.com/

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

vidar

Version

49.1

Botnet

915

C2

https://noc.social/@sergeev46

https://c.im/@sergeev47

Attributes
  • profile_id

    915

Extracted

Family

redline

Botnet

media17n

C2

65.108.69.168:13293

Extracted

Family

redline

Botnet

v3user1

C2

159.69.246.184:13127

Targets

    • Target

      a72c61ef836405afa7fe463c92d1d8bb.exe

    • Size

      7.1MB

    • MD5

      a72c61ef836405afa7fe463c92d1d8bb

    • SHA1

      a6ae7a13e83bd5f66680e3449d9da8e3e57f1965

    • SHA256

      7d11586c00eeb3c5a62f8924e862f4926e5c0632b1eb9e95008d91a5f689b1eb

    • SHA512

      5a068c6f5021682079acbb72ff35cdd37998b13c743511e22ce495cc4f25dfb31b87db793600245466949d4b38e0f74ed195550fdc9f42b4a5a75516091c8f0e

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • 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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks