Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/05/2024, 06:58

General

  • Target

    3e4133340e0037854c020b73d139943a_JaffaCakes118.exe

  • Size

    511KB

  • MD5

    3e4133340e0037854c020b73d139943a

  • SHA1

    286cf9823e19c2a84d46d90c1fa18eabb69e19a3

  • SHA256

    34ed19f34dbecbfa60533e3d0737d3d9862ae8d56084aabf536351c9242e8b67

  • SHA512

    88d7cdaf21b768c728ae6b7c2ed4b959333be728b0d0da3c86889ea731075b92450ae0f594a4238be5597ef2798cab92c9c34ea86f1b3531fac9ffddbedf4395

  • SSDEEP

    12288:Q1MbIpRtJTI6Kl8jBt1RMYn0IXQhQaCb/tDz1FcH6w:Q1MbuJTLjBt/fjkLCrd1iaw

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 4 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\3e4133340e0037854c020b73d139943a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3e4133340e0037854c020b73d139943a_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:1600
    • C:\Users\Admin\AppData\Local\Temp\n8879\s8879.exe
      "C:\Users\Admin\AppData\Local\Temp\n8879\s8879.exe" ins.exe /t 54146c05561ca39e0b8b4585 /u ad0d8641-dff0-11e3-8a58-80c16e6f498c /h eb4993.api.socdn.com /e 12932238 /v "C:\Users\Admin\AppData\Local\Temp\3e4133340e0037854c020b73d139943a_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:2680
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 3900
      2⤵
      • Program crash
      PID:1092
  • 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=3640,i,14648456027158448592,4956305794400220180,262144 --variations-seed-version --mojo-platform-channel-handle=3688 /prefetch:8
    1⤵
      PID:3656
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1600 -ip 1600
      1⤵
        PID:864

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\n8879\s8879.exe

              Filesize

              321KB

              MD5

              292e5b0c53667812a05ff25415e0b91b

              SHA1

              35e0bd0943c7b449911592a0b6812642e3011c77

              SHA256

              8ae142e7f6df8ee05c81d0317b284a747a19ae4e0a492208b04a3d25968ae574

              SHA512

              1d984e94b25c4c51cff98a2e63795bce465e8ca526d9e391b09d12d148745b8011a22d21760bc12cf79f83adca34f22775d2e53e45311c25d4bd8d92bdfb2bd3

            • memory/2680-14-0x00007FFC3F3B5000-0x00007FFC3F3B6000-memory.dmp

              Filesize

              4KB

            • memory/2680-15-0x00007FFC3F100000-0x00007FFC3FAA1000-memory.dmp

              Filesize

              9.6MB

            • memory/2680-24-0x0000000001450000-0x000000000145E000-memory.dmp

              Filesize

              56KB

            • memory/2680-27-0x000000001C790000-0x000000001CC5E000-memory.dmp

              Filesize

              4.8MB

            • memory/2680-28-0x000000001C170000-0x000000001C20C000-memory.dmp

              Filesize

              624KB

            • memory/2680-29-0x0000000001460000-0x0000000001468000-memory.dmp

              Filesize

              32KB

            • memory/2680-30-0x00007FFC3F100000-0x00007FFC3FAA1000-memory.dmp

              Filesize

              9.6MB

            • memory/2680-31-0x00007FFC3F100000-0x00007FFC3FAA1000-memory.dmp

              Filesize

              9.6MB

            • memory/2680-32-0x00007FFC3F100000-0x00007FFC3FAA1000-memory.dmp

              Filesize

              9.6MB

            • memory/2680-33-0x00007FFC3F100000-0x00007FFC3FAA1000-memory.dmp

              Filesize

              9.6MB

            • memory/2680-34-0x000000001FDC0000-0x000000001FE22000-memory.dmp

              Filesize

              392KB

            • memory/2680-35-0x0000000020370000-0x00000000204AC000-memory.dmp

              Filesize

              1.2MB

            • memory/2680-36-0x00000000209C0000-0x0000000020ECE000-memory.dmp

              Filesize

              5.1MB

            • memory/2680-37-0x00007FFC3F100000-0x00007FFC3FAA1000-memory.dmp

              Filesize

              9.6MB

            • memory/2680-38-0x00007FFC3F100000-0x00007FFC3FAA1000-memory.dmp

              Filesize

              9.6MB

            • memory/2680-39-0x00007FFC3F3B5000-0x00007FFC3F3B6000-memory.dmp

              Filesize

              4KB

            • memory/2680-40-0x00007FFC3F100000-0x00007FFC3FAA1000-memory.dmp

              Filesize

              9.6MB

            • memory/2680-41-0x00007FFC3F100000-0x00007FFC3FAA1000-memory.dmp

              Filesize

              9.6MB

            • memory/2680-43-0x00007FFC3F100000-0x00007FFC3FAA1000-memory.dmp

              Filesize

              9.6MB