General

  • Target

    7ab0594bd177fae88bfd40d8e7e52fd0_NEIKI

  • Size

    807KB

  • Sample

    240508-nbbfmahe91

  • MD5

    7ab0594bd177fae88bfd40d8e7e52fd0

  • SHA1

    4c1031590a3a01396b923e13c94b105d8bb7a069

  • SHA256

    f536d95a23e8e4c2c88c8137e353140e014b36b1b5406b2c271e80e2aa206a49

  • SHA512

    6a8d1b087af645b05efe6a4a122c066b6e5d4311f1c710506161443ef5284434e479f279d106ed0571e88916c2bd519cbc50fc32777a30cfbfaa898fe8d6dee4

  • SSDEEP

    12288:Oc1wkpHUfnNmtHA98vVCXS630X1oN4DxbUBySHNend:V1wkp6n8tLtCil8Ra

Malware Config

Extracted

Family

darkcomet

Botnet

BR

C2

gegesantx.ddns.net:1604

Mutex

DC_MUTEX-Q59K1YZ

Attributes
  • InstallPath

    Windows/System32\system.exe

  • gencode

    6ozMEU10jv2P

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    Windows 20H2

Extracted

Family

xworm

Version

3.0

C2

gegesantx.ddns.net:7777

Mutex

YeiOlQWoA6V8fBW6

Attributes
  • Install_directory

    %AppData%

  • install_file

    System.exe

aes.plain

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Hacking

C2

189.106.241.208:4449

Mutex

onkexgngrcfwhdknx

Attributes
  • delay

    1

  • install

    true

  • install_file

    System.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      7ab0594bd177fae88bfd40d8e7e52fd0_NEIKI

    • Size

      807KB

    • MD5

      7ab0594bd177fae88bfd40d8e7e52fd0

    • SHA1

      4c1031590a3a01396b923e13c94b105d8bb7a069

    • SHA256

      f536d95a23e8e4c2c88c8137e353140e014b36b1b5406b2c271e80e2aa206a49

    • SHA512

      6a8d1b087af645b05efe6a4a122c066b6e5d4311f1c710506161443ef5284434e479f279d106ed0571e88916c2bd519cbc50fc32777a30cfbfaa898fe8d6dee4

    • SSDEEP

      12288:Oc1wkpHUfnNmtHA98vVCXS630X1oN4DxbUBySHNend:V1wkp6n8tLtCil8Ra

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    • Detect Xworm Payload

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • Xworm

      Xworm is a remote access trojan written in C#.

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Async RAT payload

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • UPX packed file

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

    • Windows security modification

    • Adds Run key to start application

    • 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 v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Defense Evasion

Modify Registry

7
T1112

Impair Defenses

3
T1562

Disable or Modify Tools

2
T1562.001

Disable or Modify System Firewall

1
T1562.004

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks