Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 23:38

General

  • Target

    204680ebb902c03fc8ac63e1e8db35e6.exe

  • Size

    294KB

  • MD5

    204680ebb902c03fc8ac63e1e8db35e6

  • SHA1

    aaaa13b07e80f83aed86a269302250ec9e91902f

  • SHA256

    022cc862b01a4ea5ef46ca085f97c646a596df977d82fd56725660567e72d528

  • SHA512

    faeecfd2b16316eb0fdfe6a4f9b400073a08d19e7d60d9ddb66021cfca1a613846c7a48aa9320df29de468f7a3f90468408f6e61d9cac3e29cd9a719fc8f9c30

  • SSDEEP

    6144:LufWiuhqi10OxtTUq9zJUpxL4JcctQOL0tR1:LufWik0IjqEZQj1

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\204680ebb902c03fc8ac63e1e8db35e6.exe
    "C:\Users\Admin\AppData\Local\Temp\204680ebb902c03fc8ac63e1e8db35e6.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "204680ebb902c03fc8ac63e1e8db35e6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\204680ebb902c03fc8ac63e1e8db35e6.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "204680ebb902c03fc8ac63e1e8db35e6.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    344B

    MD5

    eb8b51020f7b0edda1eda17465ae0dac

    SHA1

    950c59b02f532a6ef0fe1c584d61338818f41150

    SHA256

    0048544a20b442bdbd828c90999566d2940ae1101fc912a1dfa8fbc38a2c611a

    SHA512

    c8e77c15c4794faa6ec86a7b7daca33febde4cffc968f007bf2a447c8dd1da98ba21313ad564ce0b9d8e41d76ae87be9aa8d2c3226ee14595dff3cf3bfe11d6b

  • C:\Users\Admin\AppData\Local\Temp\Cab6F1A.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar8848.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/1836-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

    Filesize

    1024KB

  • memory/1836-2-0x00000000001B0000-0x00000000001FA000-memory.dmp

    Filesize

    296KB

  • memory/1836-3-0x0000000000400000-0x0000000002CD8000-memory.dmp

    Filesize

    40.8MB

  • memory/1836-112-0x0000000000400000-0x0000000002CD8000-memory.dmp

    Filesize

    40.8MB

  • memory/1836-113-0x00000000002F0000-0x00000000003F0000-memory.dmp

    Filesize

    1024KB

  • memory/1836-116-0x0000000000400000-0x0000000002CD8000-memory.dmp

    Filesize

    40.8MB

  • memory/1836-117-0x00000000002F0000-0x00000000003F0000-memory.dmp

    Filesize

    1024KB