Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    04-06-2024 06:14

General

  • Target

    93d67381660a2a62ae5e7f64b10e140d_JaffaCakes118.exe

  • Size

    4.3MB

  • MD5

    93d67381660a2a62ae5e7f64b10e140d

  • SHA1

    18141a47754073ddab934a71b038014f7cf12683

  • SHA256

    3af5e9704b9a9991e84ada28b550c35233c2b210f792b21de4dcf44baf05cb25

  • SHA512

    df6679e38fad539549bcafd1b7d8c95ca034d6c4e208c5c89d39f4a0e6e5f1ea8a4e020ec61b6a82ddfa3dac3f149f55be5a46269785aa6332a21fa6d4b090b3

  • SSDEEP

    98304:aqSh5zRZwYeMMIV3PsU6Z8y6TaOphYLYSHinQpUt/YV5DyzFf:ajHYOpCm/s9y

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.

  • Drops file in System32 directory 2 IoCs
  • 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 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\93d67381660a2a62ae5e7f64b10e140d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\93d67381660a2a62ae5e7f64b10e140d_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • 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:2136
    • C:\ProgramData\Чистилка\Чистилка.exe
      C:\ProgramData\Чистилка\Чистилка.exe /srvcreate
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2944
    • C:\Users\Admin\AppData\Local\Temp\93d67381660a2a62ae5e7f64b10e140d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\93d67381660a2a62ae5e7f64b10e140d_JaffaCakes118.exe" /test
      2⤵
      • Executes dropped EXE
      PID:2428
    • C:\Users\Admin\AppData\Local\Temp\93d67381660a2a62ae5e7f64b10e140d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\93d67381660a2a62ae5e7f64b10e140d_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:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1KB

    MD5

    8c8bad27f9cc79fac3908338b912ed2a

    SHA1

    9a4acec10aa142570ba70294a9409f76d8f057d1

    SHA256

    48df18c2f4b1522bd36c577e623417e5d0f5bab1ebf95e4bc81fac356c8f29d5

    SHA512

    8b9d9379bde82e6221ec24ad551bf9d8f9375b8227dcab5b518cbdc4e54fd8c0a22ad9ac134a5d50a865f27d0b11ca2ed4f97832d39e2103a1d045727b67d734

  • C:\ProgramData\Чистилка\config.dat

    Filesize

    476KB

    MD5

    680c19df51a9b5d7bbc1571aecefb7d6

    SHA1

    13a213db0bb52360a8261d7426b6256a09532266

    SHA256

    c8c7e7cbfd6e049d201bb63f6c3fda21c29d74b0e8e9b22209af2dc0c20d347a

    SHA512

    fc7d6cfc715f79663a08d9c5642bd6bcfb567e6580b6b244cde108010bf555978bcaaf85afe60449c1ab10167579e2f38153cac7b650bd76b0ef95825ba0c789

  • C:\ProgramData\Чистилка\settings.json

    Filesize

    638B

    MD5

    7b1f4611fde318efe702102a65a7cf37

    SHA1

    3b6b25f7858135a903f06e4236d4d288179c32b8

    SHA256

    0fee7a989e4db82caa219cc5663e97678e1162267a7a170002755390716068f2

    SHA512

    d4e66fe6fb5265452ec3f66e36461c1707808881a6371a9caf6a074f0a17f3af3e89bb66db2ebc16fa9361d569afef6d3cf9287914728a86e7bc8800fad9fbbc

  • C:\Users\Admin\AppData\Local\Temp\93d67381660a2a62ae5e7f64b10e140d_JaffaCakes118.exe

    Filesize

    5.9MB

    MD5

    d7ebb78bf1f0e4a8278b2d63013b1134

    SHA1

    498b315dcba9bf4403d6748be61453d5d8991b61

    SHA256

    c5a685088c44b1fbd01f49587af753b6a0f8f793de8d3b3d7e170574fef27ba8

    SHA512

    ead20a19b5262ce34f13bae9c9d1082ce5bf740759ea82042d83600094e38de7aea87d7533fdd7660369ec5bb8549e107aff562fa477711515eb9c15c9c93312

  • C:\Users\Admin\AppData\Local\Temp\cln208C.tmp

    Filesize

    49KB

    MD5

    abee4387ab69da821ed9397cc651597d

    SHA1

    5d14f4afdbe15448bf884b528ffffab874f920a7

    SHA256

    ac1dfd38d2fa61e28211e196cd3d754f6ccfb220e8c1beba52e54825cf615e22

    SHA512

    e014294cb60b66bd259f4a6ce262fc9eca30a30e7674dae178dbac6132ba464120e5d1076ee81c1210a2f42f819d94373733172cef9fda77c9effb4eed53a904

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

    Filesize

    1KB

    MD5

    36cab2b9aa22ac020f6074e1d6897e06

    SHA1

    2112cfcb0300c61929d9d68e9383b6093510b95c

    SHA256

    985066d486430e96bbf5ff844c4d9f87560f3ea8b31e605cb60abbbd3b9e485c

    SHA512

    3c4a0695f392b22faaec6ec0eb523e37176a70486ca01c6c820352af851c184593505661e554edbe1d1c2d744bc3f97ded15e344ba5440b1a6ab8096b14e2af8

  • C:\Windows\Fonts\pns.ttf

    Filesize

    127KB

    MD5

    df8c626474a73ab7a8b511655597c7c4

    SHA1

    5de28f387ea88553d195d1978286d43c33231969

    SHA256

    723091ba5a1b8e65164075516d69c00c71225c6dde61ffc32dd4047803ab42b5

    SHA512

    c8f7d1577cb70610c40b96c835faca6b916c4924b5061351c8a67287567556b2014efb7c73cdcc4fb6533829541cd0264b8a9e428d3c572e29c06b0d96633d59

  • \ProgramData\Чистилка\Чистилка.exe

    Filesize

    4.3MB

    MD5

    93d67381660a2a62ae5e7f64b10e140d

    SHA1

    18141a47754073ddab934a71b038014f7cf12683

    SHA256

    3af5e9704b9a9991e84ada28b550c35233c2b210f792b21de4dcf44baf05cb25

    SHA512

    df6679e38fad539549bcafd1b7d8c95ca034d6c4e208c5c89d39f4a0e6e5f1ea8a4e020ec61b6a82ddfa3dac3f149f55be5a46269785aa6332a21fa6d4b090b3

  • memory/2136-39-0x0000000000400000-0x0000000000401000-memory.dmp

    Filesize

    4KB

  • memory/2136-82-0x0000000000A90000-0x0000000000EEE000-memory.dmp

    Filesize

    4.4MB