Overview

overview

9

Static

static

1

d253016a6e...18.exe

windows7-x64

9

d253016a6e...18.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-09-2024 16:08

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General

  • Target

    d253016a6eaa8493ec95fb97c3e976d7_JaffaCakes118.exe

  • Size

    4.3MB

  • MD5

    d253016a6eaa8493ec95fb97c3e976d7

  • SHA1

    e7266637bdf4cdc1020b96fc9c70d3f9620f6a03

  • SHA256

    02eb2b3bb2347bfa0a3b3f1c5a2d5688b9063c730f73487e9afdd7bcc2abb46d

  • SHA512

    e01583e994ec1642e38e8e67208f3e88e976418269e55ab480dab595e887e9c7e3ce699a546edf59ac31a23814b8093a3ecd89d3191a5720d288ffe653030476

  • SSDEEP

    98304:aqSh5zRZwYeMMIV3PsU6Z8y6TaOphYLYSHinQpUt/YV5DyzFf:ajHYOpCm/s9y

Score
9/10
bootkitdiscoveryevasionpersistencespywarestealer

Malware Config

Signatures

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

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

  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Checks installed software on the system 1 TTPs

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

    discovery
  • 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.

    bootkitpersistence
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: RenamesItself 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 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⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2068
    • 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:1980
    • 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:2828
    • C:\Users\Admin\AppData\Local\Temp\d253016a6eaa8493ec95fb97c3e976d7_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d253016a6eaa8493ec95fb97c3e976d7_JaffaCakes118.exe" /restart /util
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4804
    • 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
      • 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:1652

Network

MITRE ATT&CK Enterprise v15

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Downloads

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

    1KB

    MD5

    a47f1d1f5a277ffd19f9c6db2c069cb0

    SHA1

    00589856066f38a1b1afb88d78a210bcdc0275e0

    SHA256

    65c6e023b1663dddfb3a3e62974e16430d53170fc8252fa7c607785cb2de4131

    SHA512

    51a6aae825067fb0437ab359b2f6789de43b46f45f08f217b777288efd0ba1e09b2a7716cb2819d12da014dffce7e2e6009e7faaedb4a6be75469bd871571b61

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  • C:\ProgramData\Чистилка\config.dat
    Filesize

    476KB

    MD5

    4f964490ddabdb55ba4034573a8c0c9d

    SHA1

    221c3720e80f77b2c90dc413d41eb32c3055477a

    SHA256

    83c5c99c69d7d72858578585fad91b0b7a8646c1baece8ee853da80a06fb447c

    SHA512

    a8bc02f98d7217d63d67ea3a11a2b254d2c84f808a5b1cdd178f78de19f38dbf5981545c10879ec1e87de2600eeba457384cd52b5c12d06ea84d6dac3375b918

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  • C:\ProgramData\Чистилка\settings.json
    Filesize

    638B

    MD5

    7b1f4611fde318efe702102a65a7cf37

    SHA1

    3b6b25f7858135a903f06e4236d4d288179c32b8

    SHA256

    0fee7a989e4db82caa219cc5663e97678e1162267a7a170002755390716068f2

    SHA512

    d4e66fe6fb5265452ec3f66e36461c1707808881a6371a9caf6a074f0a17f3af3e89bb66db2ebc16fa9361d569afef6d3cf9287914728a86e7bc8800fad9fbbc

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  • C:\ProgramData\Чистилка\Чистилка.exe
    Filesize

    4.3MB

    MD5

    d253016a6eaa8493ec95fb97c3e976d7

    SHA1

    e7266637bdf4cdc1020b96fc9c70d3f9620f6a03

    SHA256

    02eb2b3bb2347bfa0a3b3f1c5a2d5688b9063c730f73487e9afdd7bcc2abb46d

    SHA512

    e01583e994ec1642e38e8e67208f3e88e976418269e55ab480dab595e887e9c7e3ce699a546edf59ac31a23814b8093a3ecd89d3191a5720d288ffe653030476

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  • C:\Users\Admin\AppData\Local\Temp\clnBD17.tmp
    Filesize

    49KB

    MD5

    abee4387ab69da821ed9397cc651597d

    SHA1

    5d14f4afdbe15448bf884b528ffffab874f920a7

    SHA256

    ac1dfd38d2fa61e28211e196cd3d754f6ccfb220e8c1beba52e54825cf615e22

    SHA512

    e014294cb60b66bd259f4a6ce262fc9eca30a30e7674dae178dbac6132ba464120e5d1076ee81c1210a2f42f819d94373733172cef9fda77c9effb4eed53a904

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  • C:\Users\Admin\AppData\Local\Temp\d253016a6eaa8493ec95fb97c3e976d7_JaffaCakes118.exe
    Filesize

    5.9MB

    MD5

    d7ebb78bf1f0e4a8278b2d63013b1134

    SHA1

    498b315dcba9bf4403d6748be61453d5d8991b61

    SHA256

    c5a685088c44b1fbd01f49587af753b6a0f8f793de8d3b3d7e170574fef27ba8

    SHA512

    ead20a19b5262ce34f13bae9c9d1082ce5bf740759ea82042d83600094e38de7aea87d7533fdd7660369ec5bb8549e107aff562fa477711515eb9c15c9c93312

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  • C:\WINDOWS\FONTS\PNS.TTF
    Filesize

    127KB

    MD5

    df8c626474a73ab7a8b511655597c7c4

    SHA1

    5de28f387ea88553d195d1978286d43c33231969

    SHA256

    723091ba5a1b8e65164075516d69c00c71225c6dde61ffc32dd4047803ab42b5

    SHA512

    c8f7d1577cb70610c40b96c835faca6b916c4924b5061351c8a67287567556b2014efb7c73cdcc4fb6533829541cd0264b8a9e428d3c572e29c06b0d96633d59

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  • memory/2068-47-0x00000000007E0000-0x0000000000C3E000-memory.dmp

    Filesize

    4.4MB

    Download