Analysis

  • max time kernel
    121s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    11/01/2024, 20:06

General

  • Target

    5378f9eb5044cc4766aba513558450c3.exe

  • Size

    361KB

  • MD5

    5378f9eb5044cc4766aba513558450c3

  • SHA1

    6248f0c1ab37a1eca949361c4d5fd3b2d340e680

  • SHA256

    2e93564cf76c88a540e250abdcd0e90c32182bdc19d09c12e55813f630d37f25

  • SHA512

    59458695c5a04def64481b49c0aa74e6027d8fe98a82120cfa1d861df88de43317a6086a3b58acf57b6f59d66632251172ea5ca299e673511de8d56cccbb3875

  • SSDEEP

    6144:s/OtDBmiW0UYiJtEPOXaDNBL653glF54s5KD1ffLTUE6pxYX:ptNmiW0U7JyOXaf+RglFms5gX/U7q

Score
10/10

Malware Config

Signatures

  • GCleaner

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

  • Deletes itself 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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\5378f9eb5044cc4766aba513558450c3.exe
    "C:\Users\Admin\AppData\Local\Temp\5378f9eb5044cc4766aba513558450c3.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1384
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "5378f9eb5044cc4766aba513558450c3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5378f9eb5044cc4766aba513558450c3.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2400
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "5378f9eb5044cc4766aba513558450c3.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1392

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

    a28851034b71b1fd6b0b0cd39e2754f5

    SHA1

    f8e30fd0b45637ccf8148eabcf4cf0b5835d2394

    SHA256

    155c85deabc34f8d36eac240cd7274df602056296214ca4216523930f547574f

    SHA512

    ac51902419f0b6f771a6c76b50fb3089d47c76e68c7e9f2c90b4fc530fb92e7abcca342bc29c1b6b3db2889c244ed6a77a3061e903594bc450dc41cada8c7696

  • C:\Users\Admin\AppData\Local\Temp\CabA8B0.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarAA68.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/1384-1-0x00000000005D0000-0x00000000006D0000-memory.dmp

    Filesize

    1024KB

  • memory/1384-2-0x0000000000220000-0x000000000026A000-memory.dmp

    Filesize

    296KB

  • memory/1384-3-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB

  • memory/1384-111-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB

  • memory/1384-112-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB

  • memory/1384-113-0x00000000005D0000-0x00000000006D0000-memory.dmp

    Filesize

    1024KB

  • memory/1384-115-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB

  • memory/1384-116-0x00000000005D0000-0x00000000006D0000-memory.dmp

    Filesize

    1024KB