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Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/02/2024, 10:31

General

  • Target

    a38e14185e6c9b429df021bb56358596.exe

  • Size

    375KB

  • MD5

    a38e14185e6c9b429df021bb56358596

  • SHA1

    4f97e20980bb38cb50ecdfbf45fd6d164422f1e6

  • SHA256

    dc5c22ee0782235867ae0363443252f867d0bae4056cd70dff77bf936abccb5d

  • SHA512

    bb44ade442130326540c3eeec0cc4319f1e0ff4001d906dc39b665b7268d4cc2b3ad084cc492e2224dd8c823147707b36ed050668699117886e8b22470644b3b

  • SSDEEP

    6144:S7Ev42gAjjXcNK8AlQeV8ppGS2GR2q8QCk9rOCelRfbHhgtwfeH4bkQe0VO76G0:hvXgAvsNl/eV8pcSt2HQCkElRftgtwai

Score
10/10

Malware Config

Signatures

  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a38e14185e6c9b429df021bb56358596.exe
    "C:\Users\Admin\AppData\Local\Temp\a38e14185e6c9b429df021bb56358596.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "a38e14185e6c9b429df021bb56358596.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a38e14185e6c9b429df021bb56358596.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "a38e14185e6c9b429df021bb56358596.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    bbaf392084eaaa71f5a75b3a8ef2e907

    SHA1

    a48290bba7894560c6db6c4a89136144c97810f3

    SHA256

    7f7838acb2d1ac36cd1141ca2ea1b696a3bfcfe1c98cb0543ebbb15d4f53d3e3

    SHA512

    26af67e0befed6ffc3cdb75ebb2183757054c4bf75e1ec441f29c5de8d61c1e8be78f2b4983a92a9555f7d4f7982e3bd68c523fe99e40ddfd39c4af451484819

  • C:\Users\Admin\AppData\Local\Temp\CabADAF.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarAEBB.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/1952-1-0x0000000000290000-0x0000000000390000-memory.dmp

    Filesize

    1024KB

  • memory/1952-2-0x00000000023D0000-0x000000000241A000-memory.dmp

    Filesize

    296KB

  • memory/1952-3-0x0000000000400000-0x00000000023C9000-memory.dmp

    Filesize

    31.8MB

  • memory/1952-101-0x0000000000400000-0x00000000023C9000-memory.dmp

    Filesize

    31.8MB

  • memory/1952-102-0x0000000000400000-0x00000000023C9000-memory.dmp

    Filesize

    31.8MB

  • memory/1952-103-0x0000000000290000-0x0000000000390000-memory.dmp

    Filesize

    1024KB

  • memory/1952-104-0x00000000023D0000-0x000000000241A000-memory.dmp

    Filesize

    296KB