Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe
    "C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1900
    • 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:2208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    392B

    MD5

    b25268c585d62811e37981077ac364dd

    SHA1

    edbda834345b40b89a158e4118776e70939ffef1

    SHA256

    54a3959108737215b9ba183902ac45bd2e204007e66de339bee6cf058a848d11

    SHA512

    a8d18a4c037bc2d98d3258567eda8da2abbadaab499b154158b86bef1d76e888d623bdb2a3b8f6c10313a30675c3f2c3cd432f854dc4013057e0622066922bec

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

    Filesize

    473KB

    MD5

    17535dddecf8cb1efdba1f1952126547

    SHA1

    a862a9a3eb6c201751be1038537522a5281ea6cb

    SHA256

    1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

    SHA512

    b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

  • \Users\Admin\AppData\Local\Temp\@A9B.tmp

    Filesize

    4KB

    MD5

    c3679c3ff636d1a6b8c65323540da371

    SHA1

    d184758721a426467b687bec2a4acc80fe44c6f8

    SHA256

    d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

    SHA512

    494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

  • \Windows\SysWOW64\28463\HOKL.006

    Filesize

    8KB

    MD5

    43f02e9974b1477c1e6388882f233db0

    SHA1

    f3e27b231193f8d5b2e1b09d05ae3a62795cf339

    SHA256

    3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

    SHA512

    e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

  • \Windows\SysWOW64\28463\HOKL.007

    Filesize

    5KB

    MD5

    b5a87d630436f958c6e1d82d15f98f96

    SHA1

    d3ff5e92198d4df0f98a918071aca53550bf1cff

    SHA256

    a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

    SHA512

    fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

  • memory/2208-22-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB