General

  • Target

    b3ff9fee0ca1e16e5da5d539f821f9c6.exe

  • Size

    6.4MB

  • Sample

    211220-qlmyhsafc5

  • MD5

    b3ff9fee0ca1e16e5da5d539f821f9c6

  • SHA1

    e2437d094895dd3c8d5cef04cc87dcecb22df49c

  • SHA256

    33330133ac2e1b2dfcbc12b66276a6a61f4c4572ad4de8675f8afdabfcbb3d43

  • SHA512

    b897b9722aa6f3691b9127a31bc0ba21709f7bc9f5d70e1356c3b032dc93000601242f66524d92db99769141ee9a26c6a210fbf8869e8db23e3c0b04f89620ba

Malware Config

Extracted

Family

socelars

C2

http://www.biohazardgraphics.com/

Extracted

Family

redline

Botnet

media17n

C2

65.108.69.168:13293

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

v3user1

C2

159.69.246.184:13127

Targets

    • Target

      b3ff9fee0ca1e16e5da5d539f821f9c6.exe

    • Size

      6.4MB

    • MD5

      b3ff9fee0ca1e16e5da5d539f821f9c6

    • SHA1

      e2437d094895dd3c8d5cef04cc87dcecb22df49c

    • SHA256

      33330133ac2e1b2dfcbc12b66276a6a61f4c4572ad4de8675f8afdabfcbb3d43

    • SHA512

      b897b9722aa6f3691b9127a31bc0ba21709f7bc9f5d70e1356c3b032dc93000601242f66524d92db99769141ee9a26c6a210fbf8869e8db23e3c0b04f89620ba

    • 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