Analysis

  • max time kernel
    157s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    14-05-2022 13:50

General

  • Target

    56dedd515106bc5df8a08625e59d5b0613c01909574c57c0cf7ed391640030c6.exe

  • Size

    334KB

  • MD5

    42639236c1ca97250de87dcde78f7644

  • SHA1

    5dadcb3d8b5723a92dc1d89d7be1a264b1cb9c23

  • SHA256

    56dedd515106bc5df8a08625e59d5b0613c01909574c57c0cf7ed391640030c6

  • SHA512

    d9eea40eb53af409ec4ee204eba57a733ae78632924d951c543ead32e8c7624136debdab25681ca616d38f7b1c0cc367b883c359d978d6f6a1b11bd53ddbc832

Malware Config

Extracted

Family

azorult

C2

http://2.56.59.31/myown/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M13

    suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M13

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56dedd515106bc5df8a08625e59d5b0613c01909574c57c0cf7ed391640030c6.exe
    "C:\Users\Admin\AppData\Local\Temp\56dedd515106bc5df8a08625e59d5b0613c01909574c57c0cf7ed391640030c6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3888
    • C:\Users\Admin\AppData\Local\Temp\ywazffher.exe
      C:\Users\Admin\AppData\Local\Temp\ywazffher.exe C:\Users\Admin\AppData\Local\Temp\irnxafuxa
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3564
      • C:\Users\Admin\AppData\Local\Temp\ywazffher.exe
        C:\Users\Admin\AppData\Local\Temp\ywazffher.exe C:\Users\Admin\AppData\Local\Temp\irnxafuxa
        3⤵
        • Executes dropped EXE
        PID:4640

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\irnxafuxa
    Filesize

    4KB

    MD5

    f8ee716f57cda999998dbd7305d441d4

    SHA1

    b140aad0ff9fcaec6c0049718e7c7fc8d3afb203

    SHA256

    3df94ca7c6d557878f87a10ccfa218085fbf1ae3bac24b73d761fb7c813d5647

    SHA512

    f775b5a89a3363b4ce4d4a1f7abf6af7a44ac5f31af6f10501323b82cbed775524bb3126d4d62a5be62a88a3d584d06c9aa61ddc90793e71ce81c057817eaffe

  • C:\Users\Admin\AppData\Local\Temp\pehmgcrtqx2kbc
    Filesize

    210KB

    MD5

    2e431dd2a1d51b85c97a51363ccdfed9

    SHA1

    155964866dfc8bff22f3c40de307a307b9333115

    SHA256

    72850a625327e09ede65dd8adf513974b923656366bb06d83c9b3c88a8d5eea0

    SHA512

    57d794f8cd30ff7a6d4ba71f24768e6261803281de247440bec9c6291a125e179d8aa29294eeecff2c11c30d2e9aa71b55eb8e159b692ca3f227c626356e4976

  • C:\Users\Admin\AppData\Local\Temp\ywazffher.exe
    Filesize

    162KB

    MD5

    ef9193e0462fcf1fd016952f58e2b749

    SHA1

    48d90f8fcd61ea6423056ace4627cece3ce879dc

    SHA256

    32c76da994a20f40bae3b97dee9b4a47d23855ee716736348d29a653ee4e62ee

    SHA512

    6be39b59a0d5d57b848bc0de74beba1dbce153275dc235b1f872af08f1b2b4d6f3cdd25d636835a386817f59d9d94c176357fb6623b9d9e936d6cfe4a7bf90af

  • C:\Users\Admin\AppData\Local\Temp\ywazffher.exe
    Filesize

    162KB

    MD5

    ef9193e0462fcf1fd016952f58e2b749

    SHA1

    48d90f8fcd61ea6423056ace4627cece3ce879dc

    SHA256

    32c76da994a20f40bae3b97dee9b4a47d23855ee716736348d29a653ee4e62ee

    SHA512

    6be39b59a0d5d57b848bc0de74beba1dbce153275dc235b1f872af08f1b2b4d6f3cdd25d636835a386817f59d9d94c176357fb6623b9d9e936d6cfe4a7bf90af

  • C:\Users\Admin\AppData\Local\Temp\ywazffher.exe
    Filesize

    162KB

    MD5

    ef9193e0462fcf1fd016952f58e2b749

    SHA1

    48d90f8fcd61ea6423056ace4627cece3ce879dc

    SHA256

    32c76da994a20f40bae3b97dee9b4a47d23855ee716736348d29a653ee4e62ee

    SHA512

    6be39b59a0d5d57b848bc0de74beba1dbce153275dc235b1f872af08f1b2b4d6f3cdd25d636835a386817f59d9d94c176357fb6623b9d9e936d6cfe4a7bf90af

  • memory/3564-130-0x0000000000000000-mapping.dmp
  • memory/4640-135-0x0000000000000000-mapping.dmp
  • memory/4640-137-0x0000000000F80000-0x0000000000FA0000-memory.dmp
    Filesize

    128KB

  • memory/4640-139-0x0000000000F80000-0x0000000000FA0000-memory.dmp
    Filesize

    128KB

  • memory/4640-142-0x0000000000F80000-0x0000000000FA0000-memory.dmp
    Filesize

    128KB