Analysis

  • max time kernel
    148s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2024 02:06

General

  • Target

    144c2e51cf6cc1396a86bc8590e48597_JaffaCakes118.exe

  • Size

    216KB

  • MD5

    144c2e51cf6cc1396a86bc8590e48597

  • SHA1

    b419a014d93e5eedbb56b708232b8760cedec647

  • SHA256

    a2ed374dfd4b4ebff19cca30d62e5365948b78d2197c3401658004fbe574d09d

  • SHA512

    aa7552ad0c365dbf455bbccfc8f74f79a34f6f03b05ed80f114f4ecd6f66b40c00f20d50511ef3ce38c46d223374fdc614ebe91ce34799db4421cda1a0412215

  • SSDEEP

    3072:RTBBrEo8iWZmgfTzRvHDfQxfjIm4nfIg5TbbdPM2yldxj0wJVUHIW1Urbrh0:RjwV/drIrunAg53BPMtdB0LI

Malware Config

Extracted

Family

latentbot

C2

games939393.zapto.org

Signatures

  • LatentBot

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

  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 12 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\144c2e51cf6cc1396a86bc8590e48597_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\144c2e51cf6cc1396a86bc8590e48597_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5820
    • C:\Users\Admin\AppData\Local\Temp\144c2e51cf6cc1396a86bc8590e48597_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\144c2e51cf6cc1396a86bc8590e48597_JaffaCakes118.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:5652
      • C:\Users\Admin\AppData\Local\Temp\144c2e51cf6cc1396a86bc8590e48597_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\144c2e51cf6cc1396a86bc8590e48597_JaffaCakes118.exe"
        3⤵
        • Adds policy Run key to start application
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2172
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3464
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:3644
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\144c2e51cf6cc1396a86bc8590e48597_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\144c2e51cf6cc1396a86bc8590e48597_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:5320
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\144c2e51cf6cc1396a86bc8590e48597_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\144c2e51cf6cc1396a86bc8590e48597_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:3296
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3980
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:3564
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\U57OXUBMC0.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\U57OXUBMC0.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3924
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\U57OXUBMC0.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\U57OXUBMC0.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:3676

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Active Setup

1
T1547.014

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Active Setup

1
T1547.014

Defense Evasion

Modify Registry

5
T1112

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\sjf1fb44be78fAg.dll
    Filesize

    2KB

    MD5

    fdb78e2feda0cf7d1d07c057277642e5

    SHA1

    5f227dee38ab653c60ae5a1fec9bd3e09a5f79f5

    SHA256

    5eda823af4c45ba86b8365cf66fb18c54c45412826ac6a75280f625a50a8ede1

    SHA512

    8f37f0c2543dc1e34f5f8b8fabb68f7be465888c49f4da89007c3ca2bf07a5e48a98aaae5f3b15a7910d4b83db02fb47a69b35fd5fd6f1343130cf6d5a0b3bec

  • memory/2172-18-0x0000000000400000-0x0000000000473000-memory.dmp
    Filesize

    460KB

  • memory/2172-22-0x0000000000400000-0x0000000000473000-memory.dmp
    Filesize

    460KB

  • memory/2172-45-0x0000000000400000-0x0000000000473000-memory.dmp
    Filesize

    460KB

  • memory/2172-8-0x0000000000400000-0x0000000000473000-memory.dmp
    Filesize

    460KB

  • memory/2172-13-0x0000000000400000-0x0000000000473000-memory.dmp
    Filesize

    460KB

  • memory/2172-14-0x0000000000400000-0x0000000000473000-memory.dmp
    Filesize

    460KB

  • memory/2172-35-0x0000000000400000-0x0000000000473000-memory.dmp
    Filesize

    460KB

  • memory/2172-30-0x0000000000400000-0x0000000000473000-memory.dmp
    Filesize

    460KB

  • memory/2172-12-0x0000000000400000-0x0000000000473000-memory.dmp
    Filesize

    460KB

  • memory/2172-23-0x0000000000400000-0x0000000000473000-memory.dmp
    Filesize

    460KB

  • memory/2172-26-0x0000000000400000-0x0000000000473000-memory.dmp
    Filesize

    460KB

  • memory/2172-27-0x0000000000400000-0x0000000000473000-memory.dmp
    Filesize

    460KB

  • memory/5652-4-0x0000000000400000-0x000000000042C000-memory.dmp
    Filesize

    176KB

  • memory/5652-6-0x0000000000400000-0x000000000042C000-memory.dmp
    Filesize

    176KB

  • memory/5652-7-0x0000000000400000-0x000000000042C000-memory.dmp
    Filesize

    176KB