Analysis

  • max time kernel
    249s
  • max time network
    336s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 23:40

General

  • Target

    debcdd61755102943852b6dea4514c8e310370d33244e9d8506a56ecd4db4eee.exe

  • Size

    216KB

  • MD5

    7bf5254943ff2016e910b261d20b3601

  • SHA1

    5fd7f70573736192c8a67afb75e902908b28eadd

  • SHA256

    debcdd61755102943852b6dea4514c8e310370d33244e9d8506a56ecd4db4eee

  • SHA512

    ec5ce285da2a57f31159d5fde9ebd0ac17a0386621c469fdc9c29290a9f0c30cfaa32000f4a72e065607f971a103a79515cdbc187ebb5ee28d4176ff00850f38

  • SSDEEP

    1536:H/JfHuJJLdJaB0reFl0QuWe305XrudqyLSAumJ30h+3jE/gNlh1/7ND7zDT6WkXR:fa7ammjuwu1uEh1jNJkX0CLijNX

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 26 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\debcdd61755102943852b6dea4514c8e310370d33244e9d8506a56ecd4db4eee.exe
    "C:\Users\Admin\AppData\Local\Temp\debcdd61755102943852b6dea4514c8e310370d33244e9d8506a56ecd4db4eee.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:588
    • C:\Users\Admin\jiira.exe
      "C:\Users\Admin\jiira.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1272

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\jiira.exe

    Filesize

    216KB

    MD5

    accda81a718055e9d59e37eb61981e61

    SHA1

    6a0e8d157b285fd69155fec008a37ba364f79c7f

    SHA256

    7512742562b4574c42f2425ff2003737afa2a0809edfb7b0881b916d97b31266

    SHA512

    6421eeb28f33b3951cd28cff0e2f54c229e7e6a876ee9c2fda5465d417e0fad48279575d6d8093218b143821a6d12aaf03daa98c1261edb7642585984a101f9b

  • C:\Users\Admin\jiira.exe

    Filesize

    216KB

    MD5

    accda81a718055e9d59e37eb61981e61

    SHA1

    6a0e8d157b285fd69155fec008a37ba364f79c7f

    SHA256

    7512742562b4574c42f2425ff2003737afa2a0809edfb7b0881b916d97b31266

    SHA512

    6421eeb28f33b3951cd28cff0e2f54c229e7e6a876ee9c2fda5465d417e0fad48279575d6d8093218b143821a6d12aaf03daa98c1261edb7642585984a101f9b

  • \Users\Admin\jiira.exe

    Filesize

    216KB

    MD5

    accda81a718055e9d59e37eb61981e61

    SHA1

    6a0e8d157b285fd69155fec008a37ba364f79c7f

    SHA256

    7512742562b4574c42f2425ff2003737afa2a0809edfb7b0881b916d97b31266

    SHA512

    6421eeb28f33b3951cd28cff0e2f54c229e7e6a876ee9c2fda5465d417e0fad48279575d6d8093218b143821a6d12aaf03daa98c1261edb7642585984a101f9b

  • \Users\Admin\jiira.exe

    Filesize

    216KB

    MD5

    accda81a718055e9d59e37eb61981e61

    SHA1

    6a0e8d157b285fd69155fec008a37ba364f79c7f

    SHA256

    7512742562b4574c42f2425ff2003737afa2a0809edfb7b0881b916d97b31266

    SHA512

    6421eeb28f33b3951cd28cff0e2f54c229e7e6a876ee9c2fda5465d417e0fad48279575d6d8093218b143821a6d12aaf03daa98c1261edb7642585984a101f9b

  • memory/588-56-0x0000000075441000-0x0000000075443000-memory.dmp

    Filesize

    8KB