Analysis

  • max time kernel
    93s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-01-2024 14:17

General

  • Target

    6fa3640b87e3fc4235541f837ce809f0.exe

  • Size

    271KB

  • MD5

    6fa3640b87e3fc4235541f837ce809f0

  • SHA1

    3d80ccb4c551043d4f746916375461493abdf866

  • SHA256

    27e944668c75a6ccd01bb5e97ee645132f8fbfd90da6a9380a92eb51f7827905

  • SHA512

    ea7b5b3330695f9146d8d070ae0acfa70d9a99b57deaa9f8394a773bc753c13f02ed085327e5b5315f27ac4d54be6605d8ef40c33e31746968700da02e76a36d

  • SSDEEP

    6144:7G6lOQ1h6AXTMn4uEF9+dCu7j2od7wcT5sF7xAzlRw:7/15XT4zx7iod7h5e7iC

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe
    "C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Windows\SysWOW64\28463\HOKL.exe
      "C:\Windows\system32\28463\HOKL.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\@50FE.tmp

    Filesize

    4KB

    MD5

    c3679c3ff636d1a6b8c65323540da371

    SHA1

    d184758721a426467b687bec2a4acc80fe44c6f8

    SHA256

    d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

    SHA512

    494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

  • C:\Windows\SysWOW64\28463\HOKL.001

    Filesize

    392B

    MD5

    b25268c585d62811e37981077ac364dd

    SHA1

    edbda834345b40b89a158e4118776e70939ffef1

    SHA256

    54a3959108737215b9ba183902ac45bd2e204007e66de339bee6cf058a848d11

    SHA512

    a8d18a4c037bc2d98d3258567eda8da2abbadaab499b154158b86bef1d76e888d623bdb2a3b8f6c10313a30675c3f2c3cd432f854dc4013057e0622066922bec

  • C:\Windows\SysWOW64\28463\HOKL.006

    Filesize

    8KB

    MD5

    43f02e9974b1477c1e6388882f233db0

    SHA1

    f3e27b231193f8d5b2e1b09d05ae3a62795cf339

    SHA256

    3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

    SHA512

    e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

  • C:\Windows\SysWOW64\28463\HOKL.007

    Filesize

    5KB

    MD5

    b5a87d630436f958c6e1d82d15f98f96

    SHA1

    d3ff5e92198d4df0f98a918071aca53550bf1cff

    SHA256

    a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

    SHA512

    fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

  • C:\Windows\SysWOW64\28463\HOKL.exe

    Filesize

    349KB

    MD5

    7b4a7886f756a0d4d968bf4f1b9743d7

    SHA1

    6e4119b2deb064e4c21d2469d3d49c8cd7238dbe

    SHA256

    01dfe6bf3decb0445791ec01c0c5e02e8ad37a5a6e43a1a9d2178ffb0a0ac4e7

    SHA512

    4afd9d55b64d1411934f8680d81af854bf0416030395ac77e2192b8cf28391a181c6941eebf0ec7d3dfe4fe5ffdae6614d35870d0ba857074b7a9327a29b3ebb

  • C:\Windows\SysWOW64\28463\HOKL.exe

    Filesize

    343KB

    MD5

    145b2fc041b36d626097991d04523718

    SHA1

    59447ef7b56d5258d6eec5f474e85c32d7bab410

    SHA256

    d08858109a542118d3367686157b9c8d7689f8ba318334475600db2bdb77eeea

    SHA512

    c9c8fa7cf93f71ef0905526c3a0abe3b7c8b66cbddede0aae72a94667ac5263e013e1232ff1472d9c0bb1522e8fb442a3c3ad2d955eda8d9441ccbd88c84d7fe

  • C:\Windows\SysWOW64\28463\HOKL.exe

    Filesize

    393KB

    MD5

    0b4f8268577045d4198ca314ef419435

    SHA1

    06fd0d70b652830eef3e6022f2b4ac56d96cf694

    SHA256

    6d65cdd37ba2acbda1c77824a5a59c55f574c2ec230ab5130b4d76bf3d07e29a

    SHA512

    ff3aa38c664eba3d9564de3373d0d562559d74f65f6a1b2bc2f765d926f34ef808c6af78808a149bb42ea09d82a8a247c04284db52691dd8ad9bf53eded26143

  • memory/4412-21-0x0000000000A70000-0x0000000000A71000-memory.dmp

    Filesize

    4KB

  • memory/4412-25-0x0000000000A70000-0x0000000000A71000-memory.dmp

    Filesize

    4KB