General

  • Target

    a8189f9faac3bd2f1b8ef9de7138ec33.exe

  • Size

    6.5MB

  • Sample

    211219-e5yzcafha9

  • MD5

    a8189f9faac3bd2f1b8ef9de7138ec33

  • SHA1

    21003f104ad009faeacad105d55901c44bf173c4

  • SHA256

    530e0002c120d13962f54641655060f420625a3ee39b740dac62a644bda96ede

  • SHA512

    138ffdeac4038b7e458781d2601c68590400f959a658db838e9cb9b529f13d0cd6af0b95c7af87fb2839e80c5569c35a9411324654faf7e848a1299c46135c9a

Malware Config

Extracted

Family

socelars

C2

http://www.biohazardgraphics.com/

Extracted

Family

vidar

Version

49.1

Botnet

915

C2

https://noc.social/@sergeev46

https://c.im/@sergeev47

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

v3user1

C2

159.69.246.184:13127

Extracted

Family

redline

Botnet

media16n

C2

65.108.69.168:13293

Targets

    • Target

      a8189f9faac3bd2f1b8ef9de7138ec33.exe

    • Size

      6.5MB

    • MD5

      a8189f9faac3bd2f1b8ef9de7138ec33

    • SHA1

      21003f104ad009faeacad105d55901c44bf173c4

    • SHA256

      530e0002c120d13962f54641655060f420625a3ee39b740dac62a644bda96ede

    • SHA512

      138ffdeac4038b7e458781d2601c68590400f959a658db838e9cb9b529f13d0cd6af0b95c7af87fb2839e80c5569c35a9411324654faf7e848a1299c46135c9a

    • 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.

    • 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

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks