Overview

overview

9

Static

static

1

d2fe26f943...18.exe

windows7-x64

9

d2fe26f943...18.exe

windows10-2004-x64

6

Analysis

  • max time kernel
    146s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/09/2024, 22:47

Sharing

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General

  • Target

    d2fe26f943be989225b2d2d51f745953_JaffaCakes118.exe

  • Size

    4.3MB

  • MD5

    d2fe26f943be989225b2d2d51f745953

  • SHA1

    ff9ebf350b34458deb732849b6cb1b64b6d576ff

  • SHA256

    83f980c5f68e2b6fa6c0c4db1fb9e81e531d8f95c5d9722ddde6de83f7c7ffd4

  • SHA512

    cbc9597930c637ccdd6c9fa1338f86b6ea1a12c3e774146ffb0647b808bb33f8cd88e3dc20e5711f4ca45646c9cb2a2edb1157a93ad22b42bd4757fff5268ab4

  • 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 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.

    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.

  • 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.

    discovery
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • 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\d2fe26f943be989225b2d2d51f745953_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d2fe26f943be989225b2d2d51f745953_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:3012
    • 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:2220
    • C:\Users\Admin\AppData\Local\Temp\d2fe26f943be989225b2d2d51f745953_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d2fe26f943be989225b2d2d51f745953_JaffaCakes118.exe" /test
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2212
    • C:\Users\Admin\AppData\Local\Temp\d2fe26f943be989225b2d2d51f745953_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d2fe26f943be989225b2d2d51f745953_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:2876

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

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

          1KB

          MD5

          747ae17bd36452884042993b87c32dee

          SHA1

          3c6491437812dfdbe61efa5f25d754eaff380862

          SHA256

          0dc182301931f1455e6614bf1e7b9d4cff188a9a6bfc1ddbc737aed45a0efda9

          SHA512

          69d19b9f9b416d40c32b2749e193b0b2801e7c021e361af30d8ab46525d46b96dcf2a4596a5e1d41ab541a51192d5ed18e9e92ade09ddf2ade854b953183039b

          Download Submit

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

          476KB

          MD5

          c88aa9919b6e6a17c3c19fe687b3a648

          SHA1

          3caf29d1f9b1e21a087e09857e2cb9877b1cf292

          SHA256

          f80c36a301e45d1a012f0f585d0073e3f1671122e5c50be1fbf84d131ad3edf3

          SHA512

          6d440365c32b0eeb929c950a63ba150de8f5f42681b67bc41d5086c9d01f806957cd81079fc4336ab796b15965ba83bc9db57f16e0bb65d2337c6337fccc1a77

          Download Submit

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

          638B

          MD5

          7b1f4611fde318efe702102a65a7cf37

          SHA1

          3b6b25f7858135a903f06e4236d4d288179c32b8

          SHA256

          0fee7a989e4db82caa219cc5663e97678e1162267a7a170002755390716068f2

          SHA512

          d4e66fe6fb5265452ec3f66e36461c1707808881a6371a9caf6a074f0a17f3af3e89bb66db2ebc16fa9361d569afef6d3cf9287914728a86e7bc8800fad9fbbc

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        • C:\Users\Admin\AppData\Local\Temp\clnAFE0.tmp
          Filesize

          49KB

          MD5

          abee4387ab69da821ed9397cc651597d

          SHA1

          5d14f4afdbe15448bf884b528ffffab874f920a7

          SHA256

          ac1dfd38d2fa61e28211e196cd3d754f6ccfb220e8c1beba52e54825cf615e22

          SHA512

          e014294cb60b66bd259f4a6ce262fc9eca30a30e7674dae178dbac6132ba464120e5d1076ee81c1210a2f42f819d94373733172cef9fda77c9effb4eed53a904

          Download Submit

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

          1KB

          MD5

          b67068fb6fe2ae2088da553e2ec14a88

          SHA1

          324314128f6e7b2e9abd90ef704ccf359b6d4bf1

          SHA256

          13d583a933c25ea9454104c3a7276f554d7ed29f161b730d8786191530f807c5

          SHA512

          1a38e5bee7b37c502668c66481756355918f3affac7fc7b69784b2313eb01e098145a6f24fa0c274b46e9217eb855bea0b498d78c83236acbac456f3a7b9305b

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        • C:\Windows\Fonts\pns.ttf
          Filesize

          127KB

          MD5

          df8c626474a73ab7a8b511655597c7c4

          SHA1

          5de28f387ea88553d195d1978286d43c33231969

          SHA256

          723091ba5a1b8e65164075516d69c00c71225c6dde61ffc32dd4047803ab42b5

          SHA512

          c8f7d1577cb70610c40b96c835faca6b916c4924b5061351c8a67287567556b2014efb7c73cdcc4fb6533829541cd0264b8a9e428d3c572e29c06b0d96633d59

          Download Submit

        • \ProgramData\Чистилка\Чистилка.exe
          Filesize

          4.3MB

          MD5

          d2fe26f943be989225b2d2d51f745953

          SHA1

          ff9ebf350b34458deb732849b6cb1b64b6d576ff

          SHA256

          83f980c5f68e2b6fa6c0c4db1fb9e81e531d8f95c5d9722ddde6de83f7c7ffd4

          SHA512

          cbc9597930c637ccdd6c9fa1338f86b6ea1a12c3e774146ffb0647b808bb33f8cd88e3dc20e5711f4ca45646c9cb2a2edb1157a93ad22b42bd4757fff5268ab4

          Download Submit

        • \Users\Admin\AppData\Local\Temp\d2fe26f943be989225b2d2d51f745953_JaffaCakes118.exe
          Filesize

          5.9MB

          MD5

          d7ebb78bf1f0e4a8278b2d63013b1134

          SHA1

          498b315dcba9bf4403d6748be61453d5d8991b61

          SHA256

          c5a685088c44b1fbd01f49587af753b6a0f8f793de8d3b3d7e170574fef27ba8

          SHA512

          ead20a19b5262ce34f13bae9c9d1082ce5bf740759ea82042d83600094e38de7aea87d7533fdd7660369ec5bb8549e107aff562fa477711515eb9c15c9c93312

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        • memory/3012-39-0x0000000000AF0000-0x0000000000AF1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/3012-45-0x00000000001D0000-0x000000000062E000-memory.dmp

          Filesize

          4.4MB

          Download

        • memory/3012-82-0x00000000001D0000-0x000000000062E000-memory.dmp

          Filesize

          4.4MB

          Download