Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03-06-2024 09:32

General

  • Target

    914acb0e4d15d20ffd6454795990fd70_JaffaCakes118.exe

  • Size

    4.2MB

  • MD5

    914acb0e4d15d20ffd6454795990fd70

  • SHA1

    5fd229adb8d623ee4d88241e345cbddb05f76c48

  • SHA256

    f7ceb08d2f953aaf94f31098e116d72d2e9dd1f6c2498bfd03fb7ad77c55717f

  • SHA512

    987edcf675748aba99882d9efc9527e1582cb82fc5489f22e3186ce72fe913e692804d5b1d06c07973e5995cb43031e4057fe34bb7be4bdf9b859ab60f8a2853

  • SSDEEP

    98304:JJ5RHOktBboDyQqUErbe2AVxCOshLPFLXkwnIzzCb/YV5DyzFfFni:/7YDy9yQ5fb/s9y7i

Malware Config

Signatures

  • Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 12 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Checks system information in the registry 2 TTPs 1 IoCs

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

  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\914acb0e4d15d20ffd6454795990fd70_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\914acb0e4d15d20ffd6454795990fd70_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\ProgramData\Чистилка\Чистилка.exe
      C:\ProgramData\Чистилка\Чистилка.exe /srvcreate
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1300
    • C:\Users\Admin\AppData\Local\Temp\914acb0e4d15d20ffd6454795990fd70_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\914acb0e4d15d20ffd6454795990fd70_JaffaCakes118.exe" /test
      2⤵
      • Executes dropped EXE
      PID:2420
    • C:\Users\Admin\AppData\Local\Temp\914acb0e4d15d20ffd6454795990fd70_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\914acb0e4d15d20ffd6454795990fd70_JaffaCakes118.exe" /restart /util
      2⤵
      • Enumerates VirtualBox registry keys
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Looks for VirtualBox Guest Additions in registry
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks system information in the registry
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Чистилка\Чистилка Uninstall.lnk

    Filesize

    1KB

    MD5

    15f5bbcb17dfbd62f9588042a90b7f57

    SHA1

    6c58ac1daabaeee45863ac9f593f08c418d447a8

    SHA256

    c6e2e6078e6df68fc0969c735c4fef09a6f1939ccaa2a5373df0808393ca68aa

    SHA512

    728ecd8a8f2cb97acbe76a648675f9e95105a62ea385e2579a4c05dfce480bab6d6dc472e5c82f42cdde1e0f85de6920a02188c173ed748dfdde5c12deaf5097

  • C:\ProgramData\Чистилка\config.dat

    Filesize

    476KB

    MD5

    06f491d9a5c088456f61d4c4b2d601a6

    SHA1

    cd58d0e2abca4bf42f13d0d99897eea0773ed3de

    SHA256

    c7b8737f4f344a3c8f7ec5e1f674f500a220aadc5c18e93a1215dab9ae988bc1

    SHA512

    17e4aeea2fe4e0eaedd66dec143d9f52aa52ccca8753a1e8bfce343e375ac09a95474ced660987d5720edea2aee9c35ff1ff0fac2f15b4738d25089a74e9f98f

  • C:\ProgramData\Чистилка\settings.json

    Filesize

    620B

    MD5

    6f38a83f8a479e9f8b86812f4b985e83

    SHA1

    967fc2b9c708818629312defe89e1f49523c7c5e

    SHA256

    382701016cb7f005dce3c645aa649d90f980ad9d8308e7cc46438625fce12400

    SHA512

    da758de97e44095a71bad79c6272929bda2da603e6d6048676b56baafd69cb005740cf7f16b28981112b51c604fcf2be98141ac32ccc7a3d7a45a284da1a7f2f

  • C:\Users\Admin\AppData\Local\Temp\cln26E3.tmp

    Filesize

    49KB

    MD5

    abee4387ab69da821ed9397cc651597d

    SHA1

    5d14f4afdbe15448bf884b528ffffab874f920a7

    SHA256

    ac1dfd38d2fa61e28211e196cd3d754f6ccfb220e8c1beba52e54825cf615e22

    SHA512

    e014294cb60b66bd259f4a6ce262fc9eca30a30e7674dae178dbac6132ba464120e5d1076ee81c1210a2f42f819d94373733172cef9fda77c9effb4eed53a904

  • C:\Users\Public\Desktop\Чистилка.lnk

    Filesize

    1KB

    MD5

    c8cf60c046571c1d7506258dfbaab8f1

    SHA1

    9017a83b58040e943f0cccdfbf5a95449141de83

    SHA256

    fd51edc82e6f8d06d95eb2ff9505330e06f39e5011bacc496cf99a779569bd3b

    SHA512

    9400a357f0d3e1001b23dccf2055f9e94658e84241c5763f144faec5afa486528ad135e03000d02a72ac79ec81803230611635cd3fd2153d67dc964a840f4fe6

  • C:\Windows\Fonts\pns.ttf

    Filesize

    127KB

    MD5

    df8c626474a73ab7a8b511655597c7c4

    SHA1

    5de28f387ea88553d195d1978286d43c33231969

    SHA256

    723091ba5a1b8e65164075516d69c00c71225c6dde61ffc32dd4047803ab42b5

    SHA512

    c8f7d1577cb70610c40b96c835faca6b916c4924b5061351c8a67287567556b2014efb7c73cdcc4fb6533829541cd0264b8a9e428d3c572e29c06b0d96633d59

  • \ProgramData\Чистилка\Чистилка.exe

    Filesize

    4.2MB

    MD5

    914acb0e4d15d20ffd6454795990fd70

    SHA1

    5fd229adb8d623ee4d88241e345cbddb05f76c48

    SHA256

    f7ceb08d2f953aaf94f31098e116d72d2e9dd1f6c2498bfd03fb7ad77c55717f

    SHA512

    987edcf675748aba99882d9efc9527e1582cb82fc5489f22e3186ce72fe913e692804d5b1d06c07973e5995cb43031e4057fe34bb7be4bdf9b859ab60f8a2853

  • \Users\Admin\AppData\Local\Temp\914acb0e4d15d20ffd6454795990fd70_JaffaCakes118.exe

    Filesize

    5.9MB

    MD5

    d7ebb78bf1f0e4a8278b2d63013b1134

    SHA1

    498b315dcba9bf4403d6748be61453d5d8991b61

    SHA256

    c5a685088c44b1fbd01f49587af753b6a0f8f793de8d3b3d7e170574fef27ba8

    SHA512

    ead20a19b5262ce34f13bae9c9d1082ce5bf740759ea82042d83600094e38de7aea87d7533fdd7660369ec5bb8549e107aff562fa477711515eb9c15c9c93312

  • memory/2060-39-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2060-61-0x0000000000E90000-0x00000000012D4000-memory.dmp

    Filesize

    4.3MB