Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 09:50

General

  • Target

    ec4f6cd877dc06ceb6f51d95a9a90ef9ae50636d76ee6a655f58ad9e633ebe08.exe

  • Size

    20KB

  • MD5

    fbb4afddbd6dcdcd5e3bb622ff8922d7

  • SHA1

    56a15933006719219f8bdc7f8c65fcfb5305b482

  • SHA256

    ec4f6cd877dc06ceb6f51d95a9a90ef9ae50636d76ee6a655f58ad9e633ebe08

  • SHA512

    5dae535edf4e6c58cfcf9b0a79cb7b1374056bdd8601d7559bc77c82ba067eb33519fa58d50e9a38851545b9b835c4778272483da6732127eebd0167ba074964

  • SSDEEP

    192:TVTtwNpAGWTawIcJkjBRP1oyn7MU859xdto9KZjzy:4PWxIcyL1hd8TPto9KJzy

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec4f6cd877dc06ceb6f51d95a9a90ef9ae50636d76ee6a655f58ad9e633ebe08.exe
    "C:\Users\Admin\AppData\Local\Temp\ec4f6cd877dc06ceb6f51d95a9a90ef9ae50636d76ee6a655f58ad9e633ebe08.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Users\Admin\AppData\Local\Temp\uegjy.exe
      "C:\Users\Admin\AppData\Local\Temp\uegjy.exe"
      2⤵
      • Executes dropped EXE
      • Deletes itself
      PID:1432

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\uegjy.exe

    Filesize

    20KB

    MD5

    d74a276525cc6218ac3473bf76c8f1e3

    SHA1

    a4c6033e65820472f7204974286e2d9e14a03ded

    SHA256

    832e4fc9a1fc70e9652a25cf6a3a025443c02efbd8c05e904e1b14244258676d

    SHA512

    9745f12967ceda2fb6557281050ce0aaec36b776bc41c974a0bac6a15e75a0c85908349f46522550c2610124115f4507ed8b811850e926293e2ddcfa13543a4b

  • C:\Users\Admin\AppData\Local\Temp\uegjy.exe

    Filesize

    20KB

    MD5

    d74a276525cc6218ac3473bf76c8f1e3

    SHA1

    a4c6033e65820472f7204974286e2d9e14a03ded

    SHA256

    832e4fc9a1fc70e9652a25cf6a3a025443c02efbd8c05e904e1b14244258676d

    SHA512

    9745f12967ceda2fb6557281050ce0aaec36b776bc41c974a0bac6a15e75a0c85908349f46522550c2610124115f4507ed8b811850e926293e2ddcfa13543a4b

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

    Filesize

    20KB

    MD5

    d74a276525cc6218ac3473bf76c8f1e3

    SHA1

    a4c6033e65820472f7204974286e2d9e14a03ded

    SHA256

    832e4fc9a1fc70e9652a25cf6a3a025443c02efbd8c05e904e1b14244258676d

    SHA512

    9745f12967ceda2fb6557281050ce0aaec36b776bc41c974a0bac6a15e75a0c85908349f46522550c2610124115f4507ed8b811850e926293e2ddcfa13543a4b

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

    Filesize

    20KB

    MD5

    d74a276525cc6218ac3473bf76c8f1e3

    SHA1

    a4c6033e65820472f7204974286e2d9e14a03ded

    SHA256

    832e4fc9a1fc70e9652a25cf6a3a025443c02efbd8c05e904e1b14244258676d

    SHA512

    9745f12967ceda2fb6557281050ce0aaec36b776bc41c974a0bac6a15e75a0c85908349f46522550c2610124115f4507ed8b811850e926293e2ddcfa13543a4b

  • memory/1432-57-0x0000000000000000-mapping.dmp

  • memory/1632-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

    Filesize

    8KB