Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2024 05:03

General

  • Target

    COLLEC~1.exe

  • Size

    478KB

  • MD5

    2847e352f486964aedee974de1475558

  • SHA1

    db30e59f1e58404563c368cbfd5c76b7f14fdf36

  • SHA256

    2a8ce05432d7e10bad747d593548e62a2d2fe03ce97c02d302eefde6c046d43d

  • SHA512

    e1a933d74c4e178cb3bee0a9b1601bde675ff7038d12738507074a8f2fee4bb632e90180b7b2bee55111d3f06159fadfac68e79c4f547a73f9406dbbaf143b06

  • SSDEEP

    12288:RSvVQ53d2OFjDOtOE+1Ftbi1XB/SwXAjpuV8/bQ/:gVQ5N2OVyOEyGo5jpTa

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax family
  • Ardamax main executable 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\COLLEC~1.exe
    "C:\Users\Admin\AppData\Local\Temp\COLLEC~1.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2404
    • C:\Windows\system32YIPK.exe
      "C:\Windows\system32YIPK.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\system32YIPK.001

    Filesize

    396B

    MD5

    81dfcf3c499bc5877fc212275cf42e83

    SHA1

    a3cda856303a1eaff92eadc7aad0090ce5bb8b12

    SHA256

    905321c5ca30b55dff93a1cb7445c1d4caf6db20d7ecb53aac9d0ff6c9a91cc0

    SHA512

    3c2e5cca11224c2f68239bc559f0f9cbee90d09ad40dfb2e9e91b9e20f26534361d898510bfa4d876376ba14479ed4ca2cff6ef41ace63b63a4f7bc34d9daea6

  • C:\Windows\system32YIPK.006

    Filesize

    7KB

    MD5

    2d8899d22457e384673cce3b63402670

    SHA1

    ab40f16fa1f0b08558c0a10ccafcbac9c06a1a8d

    SHA256

    11cc0d9300590b212959683958b8229d2355d7c85d2e38015eec402d874b186c

    SHA512

    3d0df9b26095dc6aa0cfc09facb5974e2c0e43dda7fa664f3b4dfc8c078fdfe40667e72cca4f5cbd8e6f8c7560fb6cee908ec32d7a1e8a780caa635c7e78c432

  • C:\Windows\system32YIPK.007

    Filesize

    5KB

    MD5

    f3f04376ece185d2013ded9f729e8223

    SHA1

    70414d3303011617e1072a3c603dc4b71aa947d0

    SHA256

    27b64907c64beddd86c9d2bb56c10ab8615099715fb1c4ca8f74c1037a18eb86

    SHA512

    45fa1094125b070f042210f291158004965fda6d1044f9de18ed18818a8d2ac02b61a9398daf701c864747900f8e5fcd36c0a10728a3c22994562a71fa5c22f0

  • C:\Windows\system32YIPK.exe

    Filesize

    471KB

    MD5

    2f49bd1ee6d9e956ac8596992e0d187c

    SHA1

    1384e4dd2a5bd67aeb3783417674898426063563

    SHA256

    be1ce7b1c8a268570d4489557f3c73a1eef615500f4a2434e523cca2b31b4138

    SHA512

    163bf29766baff221fd028aedbf13238119d1a73b36d845eb422f136eaf8b695926ff13884f6b1d19d8cb6a049d00709d11b8b308b20d93d5c7baa26f3184ffc

  • \Users\Admin\AppData\Local\Temp\@C68A.tmp

    Filesize

    4KB

    MD5

    3ac6bd370bb5704c6a35018df54dbbe1

    SHA1

    880f5478e1de3d844ae17e89804b8f90cdafd4a6

    SHA256

    aea959dc52fa9796ffab042872f72fea127da6267d75fa781f690d2c9d96a8fc

    SHA512

    138d0e47fbb6b1d52add61ec8c38a2ab4056e9d1ee680c2d7dc1a8a0e2a0761537a1b756efaefa13ee19a7057a7ab56918cda4d53ad348f05040585eb6ade0fb

  • memory/2588-18-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2588-21-0x0000000010000000-0x0000000010006000-memory.dmp

    Filesize

    24KB

  • memory/2588-23-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2588-22-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB