General

  • Target

    samoceyn.exe

  • Size

    3.7MB

  • Sample

    210725-gva3e9zaxj

  • MD5

    9e285901af26b01bafe9afb312620887

  • SHA1

    b86337160b7a3fcc8056ccc9bc7c71cdb45ddc21

  • SHA256

    b035ee9ead48cdfdfa1d7110cc84204df3571d6843aedc4c44edc73f59b013c0

  • SHA512

    5d8bffea643f306a5a0c78bd81e5430812b4da524bf7b2b8c87ff353be4a1f5a48d7a6bece5a574fc12145861eacfcb3ac56fc8cd0590eaaa57985e51aba7770

Malware Config

Extracted

Family

redline

Botnet

Cana

C2

176.111.174.254:56328

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Extracted

Family

asyncrat

Version

0.5.7B

C2

null:null

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • aes_key

    3htbU7p8VLsbVqyiXfg3CvefpcBeyVlh

  • anti_detection

    true

  • autorun

    true

  • bdos

    false

  • delay

    Default

  • host

    null

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    AsyncMutex_6SI8OkPnk

  • pastebin_config

    https://pastebin.com/raw/xV7ZAURy

  • port

    null

  • version

    0.5.7B

aes.plain

Extracted

Family

redline

Botnet

Ani

C2

detuyaluro.xyz:80

Targets

    • Target

      samoceyn.exe

    • Size

      3.7MB

    • MD5

      9e285901af26b01bafe9afb312620887

    • SHA1

      b86337160b7a3fcc8056ccc9bc7c71cdb45ddc21

    • SHA256

      b035ee9ead48cdfdfa1d7110cc84204df3571d6843aedc4c44edc73f59b013c0

    • SHA512

      5d8bffea643f306a5a0c78bd81e5430812b4da524bf7b2b8c87ff353be4a1f5a48d7a6bece5a574fc12145861eacfcb3ac56fc8cd0590eaaa57985e51aba7770

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE DTLoader Binary Request M2

    • Async RAT payload

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks