Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    08-06-2024 19:47

General

  • Target

    1c7d1efcf22f3244834a6b9cc5b281a9ba99c5e2ac6b8718599807d3cd363a27.exe

  • Size

    2.6MB

  • MD5

    e870a9cb2ba5ff1c9133ed611e485d03

  • SHA1

    e0e4fa2c893186f83c7161264d05d8ae3fd99b51

  • SHA256

    1c7d1efcf22f3244834a6b9cc5b281a9ba99c5e2ac6b8718599807d3cd363a27

  • SHA512

    debd728eb6f364f1fd398713ef9c78d0a44034d5d02fcc148fb21b35b12a0def327e3a677534ed15ac0cdf9994d008efae23a9af939bd32ee595151cd1e5c18b

  • SSDEEP

    49152:sxX7665YxRVplZzSKntlGIiT+HvRdpcAHSjpjK3LB7B/bS:sxX7QnxrloE5dpUpMb

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c7d1efcf22f3244834a6b9cc5b281a9ba99c5e2ac6b8718599807d3cd363a27.exe
    "C:\Users\Admin\AppData\Local\Temp\1c7d1efcf22f3244834a6b9cc5b281a9ba99c5e2ac6b8718599807d3cd363a27.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ecxdob.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ecxdob.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2520
    • C:\Intelproc82\devoptiec.exe
      C:\Intelproc82\devoptiec.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Galax8E\optidevec.exe

    Filesize

    16KB

    MD5

    22982414cd28f7bd963c7390fe332005

    SHA1

    b9780689fc2f225a5f207b3a0f2533dc5e381874

    SHA256

    b3c258b288b3f2ef33c6a362503e599b349febb9a0f7fab4311ba488dbb1b44a

    SHA512

    905aa5b5e80fa41f962d0a01ee4b2a54155d0ff7e92d1533813efa64cc4ff3ad1cdf63ac6a1e689b0a4b44c659ec4760631e0162fda9ab3741cdf0b0bfcd0cb2

  • C:\Galax8E\optidevec.exe

    Filesize

    434KB

    MD5

    adb51f1a26ba5d0f203bb03c77837ab7

    SHA1

    ef375238df7e4f7b0bfc2ea061202df2a0781337

    SHA256

    74d826a11f3f46973b8a467a5c83d0e8427b0006ed91ec5d87da3764111b789c

    SHA512

    301e36af9859c0710e3c994184ab90215b6c69d829b2a24bd6763d45ddba26ffc7915c4f4b68aea5d132436bbd4b4e4065051bff6ba4aef39b354b989389db16

  • C:\Intelproc82\devoptiec.exe

    Filesize

    2.6MB

    MD5

    66cb0d136afa9e4c0259d0cd2a101ca9

    SHA1

    2a3f4d15d3e9beaaa83671bfe677ea6e3915599a

    SHA256

    68575cd4f84cf665c835ef0d3dd33253c532a2e80319040094e09102a413f5f7

    SHA512

    07c06f1fc868a5a085204e56bbfea4e782d41e1c7c4f9a62c64aa3ecff12c040f93db66fb0d8331d50227f5a182e7aa8d59da9c337b97d085bd3f3947a03a70c

  • C:\Users\Admin\253086396416_6.1_Admin.ini

    Filesize

    176B

    MD5

    cf3d03d60d857e1e8eaec67b2c5257ba

    SHA1

    020cd1685129288487a153b92a027b896f8e7d03

    SHA256

    4f918b87bfaf13f05fc661051258ad511fdfd537525b6c7758c665c5020667e2

    SHA512

    8e61f3d7b9d2ba91ea386576f50236b4e9e974da5a3fbe6a5170e4fafcb858ee451a263e42493e50bdb323a6b0ce6ad96cafe97c9b034655b67378ab892875d4

  • C:\Users\Admin\253086396416_6.1_Admin.ini

    Filesize

    208B

    MD5

    54eaaa7129514ea5def2e45d545941d4

    SHA1

    5f6fa38fb892f5d4af5b59753ed4498df3240e9b

    SHA256

    b238daa6d70bdfcedd7b184a902641bafd5784e4222a2324eab8564ca3ef60f2

    SHA512

    f9b277d21c2be623cee88e240a9751a8dc476377a28a30f004a1a71070357ae48ab1e532cb3215fcbfca2b1f4db242684c8b924e5ac093a6092630cf7b9fa8c7

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ecxdob.exe

    Filesize

    2.6MB

    MD5

    c40c33c103cfaa4277ced470abe270e5

    SHA1

    5afae57a547d9da0f917925a75a995c84e60f801

    SHA256

    ea6e82fb4a98152fe3a3d53bbe14e90f69231313f1891f1076e0f096e0c96bab

    SHA512

    45328810fd1da7a1ac8a19f9b3e6385b15456e97bed7c871886243b59544d7261006a88bacdd6b497c25e22b6e9d6bb94559539880a44f734eeb727309dd78ab