Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-06-2024 15:30

General

  • Target

    a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe

  • Size

    517KB

  • MD5

    a643f791249175da030797eae5f8b3ca

  • SHA1

    ed5c05367d0113494b01a235d3d17de994c41f75

  • SHA256

    7018d170611c308eb9e33ed57a34c792333c6605a7c2fe4a65691092af09ff49

  • SHA512

    0109fc6affd1d24eb224a67cd33462159063f54b42139e99df26fcdce784f1a1846a1952c20c1837c99027a48a151db75ce52392da652cfed6a8bca37e4c8a87

  • SSDEEP

    12288:AmUqR5z0FOTC1NXIHfpJYlY/Qy5eEG30LC+MCW1qrQpPt/0KuV:AmUqqOTAXIHfpOcQ6JG30L/MCW1yQpiB

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Users\Admin\AppData\Local\Temp\n8421\s8421.exe
      "C:\Users\Admin\AppData\Local\Temp\n8421\s8421.exe" ins.exe /e 13029947 /u 8765b7a1-1326-11e4-8a58-80c16e6f498c /h ef64a6.api.socdn.com /v "C:\Users\Admin\AppData\Local\Temp\a643f791249175da030797eae5f8b3ca_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3668
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3988 -s 3800
      2⤵
      • Program crash
      PID:3488
  • 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 --field-trial-handle=3852,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=4236 /prefetch:8
    1⤵
      PID:2832
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3988 -ip 3988
      1⤵
        PID:4628

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Defense Evasion

      Virtualization/Sandbox Evasion

      1
      T1497

      Subvert Trust Controls

      1
      T1553

      Install Root Certificate

      1
      T1553.004

      Modify Registry

      1
      T1112

      Discovery

      Query Registry

      3
      T1012

      Virtualization/Sandbox Evasion

      1
      T1497

      System Information Discovery

      3
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\n8421\s8421.exe
        Filesize

        339KB

        MD5

        0e88682aeba4d7ef923b316f97f990ba

        SHA1

        a54a0df52206ab79c0ad19be7402ab8564b7ad8c

        SHA256

        6be0358b2703e0e317ec4ddefbc320014b3c2a14eb1d959b0ed399586fd2bba1

        SHA512

        c0755f0b6fd5d01872464c1fa4b3d11c4ad4fd84f355bc9a9938bc5057373c18753915eeaabd31eb1db5cd95399a5b5083de31f11b55adba58316082421607c6

      • memory/3668-14-0x00007FFBF8EA5000-0x00007FFBF8EA6000-memory.dmp
        Filesize

        4KB

      • memory/3668-15-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmp
        Filesize

        9.6MB

      • memory/3668-16-0x00007FFBF8EA5000-0x00007FFBF8EA6000-memory.dmp
        Filesize

        4KB

      • memory/3668-17-0x000000001BB10000-0x000000001BB1E000-memory.dmp
        Filesize

        56KB

      • memory/3668-20-0x000000001C9B0000-0x000000001CE7E000-memory.dmp
        Filesize

        4.8MB

      • memory/3668-21-0x000000001CF20000-0x000000001CFBC000-memory.dmp
        Filesize

        624KB

      • memory/3668-22-0x000000001D2E0000-0x000000001D342000-memory.dmp
        Filesize

        392KB

      • memory/3668-23-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmp
        Filesize

        9.6MB

      • memory/3668-24-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmp
        Filesize

        9.6MB

      • memory/3668-25-0x000000001CFD0000-0x000000001CFD8000-memory.dmp
        Filesize

        32KB

      • memory/3668-26-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmp
        Filesize

        9.6MB

      • memory/3668-27-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmp
        Filesize

        9.6MB

      • memory/3668-28-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmp
        Filesize

        9.6MB

      • memory/3668-29-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmp
        Filesize

        9.6MB

      • memory/3668-30-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmp
        Filesize

        9.6MB

      • memory/3668-31-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmp
        Filesize

        9.6MB

      • memory/3668-32-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmp
        Filesize

        9.6MB

      • memory/3668-33-0x0000000021080000-0x000000002158E000-memory.dmp
        Filesize

        5.1MB

      • memory/3668-34-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmp
        Filesize

        9.6MB

      • memory/3668-35-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmp
        Filesize

        9.6MB

      • memory/3668-37-0x00007FFBF8BF0000-0x00007FFBF9591000-memory.dmp
        Filesize

        9.6MB