Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2024 16:08

General

  • Target

    d253016a6eaa8493ec95fb97c3e976d7_JaffaCakes118.exe

  • Size

    4.3MB

  • MD5

    d253016a6eaa8493ec95fb97c3e976d7

  • SHA1

    e7266637bdf4cdc1020b96fc9c70d3f9620f6a03

  • SHA256

    02eb2b3bb2347bfa0a3b3f1c5a2d5688b9063c730f73487e9afdd7bcc2abb46d

  • SHA512

    e01583e994ec1642e38e8e67208f3e88e976418269e55ab480dab595e887e9c7e3ce699a546edf59ac31a23814b8093a3ecd89d3191a5720d288ffe653030476

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\d253016a6eaa8493ec95fb97c3e976d7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d253016a6eaa8493ec95fb97c3e976d7_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • 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:3004
    • C:\ProgramData\Чистилка\Чистилка.exe
      C:\ProgramData\Чистилка\Чистилка.exe /srvcreate
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2360
    • C:\Users\Admin\AppData\Local\Temp\d253016a6eaa8493ec95fb97c3e976d7_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d253016a6eaa8493ec95fb97c3e976d7_JaffaCakes118.exe" /test
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1616
    • C:\Users\Admin\AppData\Local\Temp\d253016a6eaa8493ec95fb97c3e976d7_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d253016a6eaa8493ec95fb97c3e976d7_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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      PID:844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1KB

    MD5

    8df6f2b1111f2ab20e8fc64affd2a337

    SHA1

    fd404ccbd2a4566db1afcd7c903cfed31fe0f91a

    SHA256

    0b2185afde362e771709aef0290817860b8989c0a34adcc8d8134426535377d3

    SHA512

    855d506cd31e373a9d537718f7dbe1397d4818ad2c9eb5f039daf585fc4d4726d3efcc0496cccb636695e19d07d8eff50f465db7d1dba7613c0dd4a2cdb62a7f

  • C:\ProgramData\Чистилка\config.dat

    Filesize

    476KB

    MD5

    9b0e1254ddcaf6faf24bd4a52d25cdd6

    SHA1

    c4a7a1c21a01b04e7c171f58f9bf7860af0fd291

    SHA256

    bd40c6ae19cb74700f295ad27f5401263b65867c627680e4685b4f0d2017d4e2

    SHA512

    8ae0b06f39460cf0e09b94b43d49ce3c2bb8b29b7d046a08f7d724537c74f1369ed91dbbbd7ef28e6a98a8a4c43ae866c4846ef91ef3aa7e3960070000a179de

  • C:\ProgramData\Чистилка\settings.json

    Filesize

    638B

    MD5

    7b1f4611fde318efe702102a65a7cf37

    SHA1

    3b6b25f7858135a903f06e4236d4d288179c32b8

    SHA256

    0fee7a989e4db82caa219cc5663e97678e1162267a7a170002755390716068f2

    SHA512

    d4e66fe6fb5265452ec3f66e36461c1707808881a6371a9caf6a074f0a17f3af3e89bb66db2ebc16fa9361d569afef6d3cf9287914728a86e7bc8800fad9fbbc

  • C:\Users\Admin\AppData\Local\Temp\clnD3A5.tmp

    Filesize

    49KB

    MD5

    abee4387ab69da821ed9397cc651597d

    SHA1

    5d14f4afdbe15448bf884b528ffffab874f920a7

    SHA256

    ac1dfd38d2fa61e28211e196cd3d754f6ccfb220e8c1beba52e54825cf615e22

    SHA512

    e014294cb60b66bd259f4a6ce262fc9eca30a30e7674dae178dbac6132ba464120e5d1076ee81c1210a2f42f819d94373733172cef9fda77c9effb4eed53a904

  • C:\Windows\Fonts\pns.ttf

    Filesize

    127KB

    MD5

    df8c626474a73ab7a8b511655597c7c4

    SHA1

    5de28f387ea88553d195d1978286d43c33231969

    SHA256

    723091ba5a1b8e65164075516d69c00c71225c6dde61ffc32dd4047803ab42b5

    SHA512

    c8f7d1577cb70610c40b96c835faca6b916c4924b5061351c8a67287567556b2014efb7c73cdcc4fb6533829541cd0264b8a9e428d3c572e29c06b0d96633d59

  • \ProgramData\Чистилка\Чистилка.exe

    Filesize

    4.3MB

    MD5

    d253016a6eaa8493ec95fb97c3e976d7

    SHA1

    e7266637bdf4cdc1020b96fc9c70d3f9620f6a03

    SHA256

    02eb2b3bb2347bfa0a3b3f1c5a2d5688b9063c730f73487e9afdd7bcc2abb46d

    SHA512

    e01583e994ec1642e38e8e67208f3e88e976418269e55ab480dab595e887e9c7e3ce699a546edf59ac31a23814b8093a3ecd89d3191a5720d288ffe653030476

  • \Users\Admin\AppData\Local\Temp\d253016a6eaa8493ec95fb97c3e976d7_JaffaCakes118.exe

    Filesize

    5.9MB

    MD5

    d7ebb78bf1f0e4a8278b2d63013b1134

    SHA1

    498b315dcba9bf4403d6748be61453d5d8991b61

    SHA256

    c5a685088c44b1fbd01f49587af753b6a0f8f793de8d3b3d7e170574fef27ba8

    SHA512

    ead20a19b5262ce34f13bae9c9d1082ce5bf740759ea82042d83600094e38de7aea87d7533fdd7660369ec5bb8549e107aff562fa477711515eb9c15c9c93312

  • memory/3004-39-0x00000000009A0000-0x00000000009A1000-memory.dmp

    Filesize

    4KB

  • memory/3004-49-0x0000000000C10000-0x000000000106E000-memory.dmp

    Filesize

    4.4MB

  • memory/3004-78-0x00000000009A0000-0x00000000009A1000-memory.dmp

    Filesize

    4KB

  • memory/3004-84-0x0000000000C10000-0x000000000106E000-memory.dmp

    Filesize

    4.4MB