Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    26-06-2024 06:57

General

  • Target

    111a0e25005a8f8ceb917a602717446e_JaffaCakes118.exe

  • Size

    555KB

  • MD5

    111a0e25005a8f8ceb917a602717446e

  • SHA1

    67443662b53903d6040fd4c23996b7dbf1faea2b

  • SHA256

    65dfe1cfe57a4548bdb2c2c5c8008f4630bd8e8528569fb3d50214fe4e9dcc71

  • SHA512

    7ea31ea7e3e8f4f119014be3638926c87796e7ffb4b931c4c6f47eab00c9ff42b799602636590938a6d1b11d7be274677a57463080a4891ffa17bfdbfe4db513

  • SSDEEP

    12288:tZeVQkTrvj40RJEnIjH/S+wUpr9PLgKoy5MBg3kZezeQ7kSEsjfhNcMvm:twQkTf40XUMEUppPzoYzeQTrIqm

Malware Config

Extracted

Family

latentbot

C2

wypierdalaj.zapto.org

Signatures

  • Darkcomet

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

  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • UPX packed file 9 IoCs

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

  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\111a0e25005a8f8ceb917a602717446e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\111a0e25005a8f8ceb917a602717446e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Users\Admin\AppData\Local\Temp\111a0e25005a8f8ceb917a602717446e_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\111a0e25005a8f8ceb917a602717446e_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Adds Run key to start application
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2496
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
          PID:2692
        • C:\Users\Admin\Desktop\Windupdt\winupdate.exe
          "C:\Users\Admin\Desktop\Windupdt\winupdate.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2536
          • C:\Users\Admin\Desktop\Windupdt\winupdate.exe
            "C:\Users\Admin\Desktop\Windupdt\winupdate.exe"
            4⤵
            • Modifies firewall policy service
            • Modifies security service
            • Windows security bypass
            • Checks BIOS information in registry
            • Executes dropped EXE
            • Loads dropped DLL
            • Windows security modification
            • Checks processor information in registry
            • Enumerates system info in registry
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • System policy modification
            PID:2188

    Network

    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

    2
    T1543

    Windows Service

    2
    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

    2
    T1543

    Windows Service

    2
    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

    3
    T1012

    System Information Discovery

    4
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\Desktop\Windupdt\winupdate.exe
      Filesize

      555KB

      MD5

      111a0e25005a8f8ceb917a602717446e

      SHA1

      67443662b53903d6040fd4c23996b7dbf1faea2b

      SHA256

      65dfe1cfe57a4548bdb2c2c5c8008f4630bd8e8528569fb3d50214fe4e9dcc71

      SHA512

      7ea31ea7e3e8f4f119014be3638926c87796e7ffb4b931c4c6f47eab00c9ff42b799602636590938a6d1b11d7be274677a57463080a4891ffa17bfdbfe4db513

    • memory/2188-144-0x0000000000400000-0x00000000004C5000-memory.dmp
      Filesize

      788KB

    • memory/2188-156-0x0000000000400000-0x00000000004C5000-memory.dmp
      Filesize

      788KB

    • memory/2496-69-0x0000000076340000-0x0000000076450000-memory.dmp
      Filesize

      1.1MB

    • memory/2496-70-0x0000000000400000-0x00000000004C5000-memory.dmp
      Filesize

      788KB

    • memory/2496-68-0x0000000000400000-0x00000000004C5000-memory.dmp
      Filesize

      788KB

    • memory/2496-67-0x0000000000400000-0x00000000004C5000-memory.dmp
      Filesize

      788KB

    • memory/2496-62-0x0000000000400000-0x00000000004C5000-memory.dmp
      Filesize

      788KB

    • memory/2496-65-0x0000000000400000-0x00000000004C5000-memory.dmp
      Filesize

      788KB

    • memory/2496-63-0x0000000000400000-0x00000000004C5000-memory.dmp
      Filesize

      788KB

    • memory/2496-83-0x0000000000400000-0x00000000004C5000-memory.dmp
      Filesize

      788KB

    • memory/2496-82-0x0000000076340000-0x0000000076450000-memory.dmp
      Filesize

      1.1MB

    • memory/2536-101-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-87-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-107-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-108-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-109-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-110-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-111-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-112-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-114-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-115-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-105-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-106-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-104-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-102-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-103-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-100-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-99-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-98-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-113-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-97-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2536-96-0x0000000000270000-0x0000000000290000-memory.dmp
      Filesize

      128KB

    • memory/2936-36-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-33-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-59-0x0000000076340000-0x0000000076450000-memory.dmp
      Filesize

      1.1MB

    • memory/2936-56-0x0000000076340000-0x0000000076450000-memory.dmp
      Filesize

      1.1MB

    • memory/2936-55-0x0000000076340000-0x0000000076450000-memory.dmp
      Filesize

      1.1MB

    • memory/2936-53-0x0000000076340000-0x0000000076450000-memory.dmp
      Filesize

      1.1MB

    • memory/2936-51-0x0000000076340000-0x0000000076450000-memory.dmp
      Filesize

      1.1MB

    • memory/2936-30-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-29-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-28-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-27-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-26-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-25-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-24-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-23-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-21-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-64-0x0000000076340000-0x0000000076450000-memory.dmp
      Filesize

      1.1MB

    • memory/2936-60-0x0000000076340000-0x0000000076450000-memory.dmp
      Filesize

      1.1MB

    • memory/2936-61-0x0000000076340000-0x0000000076450000-memory.dmp
      Filesize

      1.1MB

    • memory/2936-31-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-32-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-66-0x0000000076340000-0x0000000076450000-memory.dmp
      Filesize

      1.1MB

    • memory/2936-34-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-35-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-0-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-38-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-39-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-40-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-37-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-22-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-19-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-20-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-15-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-16-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-18-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-17-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-14-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-13-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-12-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-11-0x0000000000020000-0x0000000000040000-memory.dmp
      Filesize

      128KB

    • memory/2936-10-0x0000000076340000-0x0000000076450000-memory.dmp
      Filesize

      1.1MB

    • memory/2936-9-0x0000000076354000-0x0000000076355000-memory.dmp
      Filesize

      4KB