Analysis

  • max time kernel
    141s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 02:31

General

  • Target

    d5849dfe11450640efd7a6f78141dc76_JaffaCakes118.exe

  • Size

    387KB

  • MD5

    d5849dfe11450640efd7a6f78141dc76

  • SHA1

    4937560a144a57aec86cc82dce65c49d8eaf52d9

  • SHA256

    e189fb63b73b753b07c464f93a2ce2cdd55b93c0f678b5f1c85edb486c4cd02f

  • SHA512

    d2f798c690b7e1276463e4413164a461c4f427e1e7b844604809df385fbd3d192e602ed052ef28437586586e3792a4b5651a4882dbd966ea13ce7b0c03326941

  • SSDEEP

    6144:anSxOhzm7DMSB2qdDqBMYY16qXKATBSPsV2zBu/RlQiwM0i:aSxOhzmXVXqBMYY1zTs7kZuiwM0

Malware Config

Signatures

  • Modifies security service 2 TTPs 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies WinLogon 2 TTPs 6 IoCs
  • Drops file in System32 directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5849dfe11450640efd7a6f78141dc76_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d5849dfe11450640efd7a6f78141dc76_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 228
      2⤵
      • Program crash
      PID:1916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\SysWOW64\updatenf.dll

    Filesize

    43KB

    MD5

    c7665180dbf13e798dde715eab97380d

    SHA1

    ffe88076cbecedef9f450a9ad9709fd761943a14

    SHA256

    efb1ba1b9b70ba6e7ee845235b706c458000858c7955722b35541f9a13fb7c25

    SHA512

    c4db5236de95a91aa3d7ce58ba4683c401154a5440d4c1dffcfe8672d7de1272febb4cb6362b7ed4aa4852b8e24a9badc1eb5cf0381e53a0f9aab4f9eaa8b95f

  • memory/2416-5-0x0000000000220000-0x000000000022F000-memory.dmp

    Filesize

    60KB

  • memory/2416-8-0x0000000000220000-0x000000000022F000-memory.dmp

    Filesize

    60KB

  • memory/2416-7-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2416-29-0x0000000000220000-0x000000000022F000-memory.dmp

    Filesize

    60KB