Analysis

  • max time kernel
    153s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/06/2024, 15:30

General

  • Target
    127aeb2b2915e1737ab57c48e445d682_JaffaCakes118.exe
  • Size 228KB
  • Sample240626-sxx9qstdjp
  • SHA256 a3e823d2c1d5008d2f392a7178c32cfdddddc44d6aacabc9f6f47762c5fbd40b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

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

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 19 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\127aeb2b2915e1737ab57c48e445d682_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\127aeb2b2915e1737ab57c48e445d682_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3600
    • C:\Users\Admin\AppData\Local\Temp\127aeb2b2915e1737ab57c48e445d682_JaffaCakes118mgr.exe
      C:\Users\Admin\AppData\Local\Temp\127aeb2b2915e1737ab57c48e445d682_JaffaCakes118mgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of UnmapMainImage
      PID:2492
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 436
        3⤵
        • Program crash
        PID:2880
    • C:\Users\Admin\AppData\Local\Temp\127aeb2b2915e1737ab57c48e445d682_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\127aeb2b2915e1737ab57c48e445d682_JaffaCakes118.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1388
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
          PID:1740
        • C:\Users\Admin\AppData\Local\Temp\127aeb2b2915e1737ab57c48e445d682_JaffaCakes118.exe
          C:\Users\Admin\AppData\Local\Temp\127aeb2b2915e1737ab57c48e445d682_JaffaCakes118.exe
          3⤵
          • Adds policy Run key to start application
          • Boot or Logon Autostart Execution: Active Setup
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:1716
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2492 -ip 2492
      1⤵
        PID:872
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4212 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:2268

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              127aeb2b2915e1737ab57c48e445d682_JaffaCakes118mgr.exe

              • Path C:\Users\Admin\AppData\Local\Temp\127aeb2b2915e1737ab57c48e445d682_JaffaCakes118mgr.exe
              • Size 84KB
              • SHA256 9030a2ec813b5a70b898aacd81378c941bc5f62e78cc1a958f93106ede81228c
              • MD5 SHA1 SHA512 SSDEEP

              ~TMEB0C.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\~TMEB0C.tmp
              • Size 1.6MB
              • SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
              • MD5 SHA1 SHA512 SSDEEP

              memory/1388-71-0x0000000010450000-0x0000000010486000-memory.dmp

              memory/1388-16-0x0000000000400000-0x0000000000423000-memory.dmp

              memory/1388-26-0x0000000010450000-0x0000000010486000-memory.dmp

              memory/1388-22-0x0000000010410000-0x0000000010446000-memory.dmp

              memory/1388-78-0x0000000000400000-0x0000000000423000-memory.dmp

              memory/1388-13-0x0000000000400000-0x0000000000423000-memory.dmp

              memory/1388-23-0x0000000010410000-0x0000000010446000-memory.dmp

              memory/1716-74-0x00000000035B0000-0x00000000035B1000-memory.dmp

              memory/1716-75-0x0000000010450000-0x0000000010486000-memory.dmp

              memory/1716-27-0x00000000001F0000-0x00000000001F1000-memory.dmp

              memory/1716-76-0x0000000010450000-0x0000000010486000-memory.dmp

              memory/1716-84-0x0000000010450000-0x0000000010486000-memory.dmp

              memory/1716-86-0x0000000010450000-0x0000000010486000-memory.dmp

              memory/1716-83-0x0000000010450000-0x0000000010486000-memory.dmp

              memory/1716-28-0x00000000005B0000-0x00000000005B1000-memory.dmp

              memory/2492-9-0x0000000000400000-0x000000000042A000-memory.dmp

              memory/2492-5-0x0000000000400000-0x000000000042A000-memory.dmp

              memory/2492-8-0x0000000000400000-0x000000000042A000-memory.dmp

              memory/2492-6-0x0000000000400000-0x000000000042A000-memory.dmp

              memory/2492-7-0x0000000000400000-0x000000000042A000-memory.dmp

              memory/2492-21-0x0000000077AF2000-0x0000000077AF3000-memory.dmp

              memory/2492-12-0x0000000000400000-0x000000000042A000-memory.dmp

              memory/2492-20-0x0000000077AF2000-0x0000000077AF4000-memory.dmp

              memory/2492-14-0x00000000008F0000-0x00000000008F1000-memory.dmp

              memory/2492-10-0x0000000000400000-0x000000000042A000-memory.dmp

              memory/3600-0-0x0000000000400000-0x000000000043B000-memory.dmp

              memory/3600-15-0x0000000000400000-0x000000000043B000-memory.dmp