Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-01-2025 17:25

General

  • Target

    bf11b43e1f298bc90370b1dd83868443542a7c365a4afb204e8e2d6ffd89e44c.exe

  • Size

    2.0MB

  • MD5

    b612eb21d3e997f804a49c9a7dfb3558

  • SHA1

    5a1afbcafb6c233ce1afbb7dfcf674336352e83a

  • SHA256

    bf11b43e1f298bc90370b1dd83868443542a7c365a4afb204e8e2d6ffd89e44c

  • SHA512

    523e037ee05d40c993d1a5f4b351f14bb3787fa11832c5c68231eeca5ceb20760833ac132f8c5d17b0088c44382820d8458f5bb67b51b278236a44ef86bb450a

  • SSDEEP

    24576:m3K8VrXXaaDmW6MKYs9j0x5h3kW9I9ECxYKBG/P8FS7FSzwQS2xXkal/I+3N+xBW:mTaFWn/s9jeh0R1jBGMF8algEMBVnA

Malware Config

Extracted

Family

gcleaner

C2

45.12.253.51

45.12.253.92

45.12.253.89

45.12.253.55

Attributes
  • url_path

    /done.php

    /delivery.php

    /delivery.php

Signatures

  • GCleaner

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

  • Gcleaner family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 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 Program Files directory 38 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf11b43e1f298bc90370b1dd83868443542a7c365a4afb204e8e2d6ffd89e44c.exe
    "C:\Users\Admin\AppData\Local\Temp\bf11b43e1f298bc90370b1dd83868443542a7c365a4afb204e8e2d6ffd89e44c.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Users\Admin\AppData\Local\Temp\is-172K5.tmp\bf11b43e1f298bc90370b1dd83868443542a7c365a4afb204e8e2d6ffd89e44c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-172K5.tmp\bf11b43e1f298bc90370b1dd83868443542a7c365a4afb204e8e2d6ffd89e44c.tmp" /SL5="$5014C,1843076,319488,C:\Users\Admin\AppData\Local\Temp\bf11b43e1f298bc90370b1dd83868443542a7c365a4afb204e8e2d6ffd89e44c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2912
      • C:\Windows\SysWOW64\regsvr32.exe
        "C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\CggedFrog\TFShellMenu.dll"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:2964
      • C:\Windows\SysWOW64\regsvr32.exe
        "C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\CggedFrog\extensions\Meta\dsofile.dll"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:2672
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Delete /F /TN "NavFrog 7"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2452
      • C:\Program Files (x86)\CggedFrog\CggedFrog7.exe
        "C:\Program Files (x86)\CggedFrog\CggedFrog7.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        PID:2528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\CggedFrog\TFShellMenu.dll

    Filesize

    80KB

    MD5

    aa1c938f60e065a350f07af972faf21c

    SHA1

    cb7c5c2becd64e4ebcb410e86d6fb01624a0984b

    SHA256

    f3455a77cb7fad3d842deecbbe386dfa7ad8fca98856a99c15374e3c46c04d23

    SHA512

    dedfe61d8dec35d741e4db7617dd8f5dae492ce35ca215bdea2970fc4e202f5ad93461c062aa34f1659fbc36783e8b88e5240a698098728ff3a76cb1f18a196d

  • C:\Program Files (x86)\CggedFrog\extensions\Meta\dsofile.dll

    Filesize

    39KB

    MD5

    9fb080566c3a4fb15ce48add38cc70dc

    SHA1

    ad66885c72ca78247a60f26b6c391a9878e5fa26

    SHA256

    f78978cf74047a690751bd377e71d002deb8a797b9be4b7d55ff279caf853b82

    SHA512

    a4d0d89bab5e85fd42abea5f17f99972356f4aae76a4dde0b19fd7dacdcf693edf1dc1bb87748c39a07c6adb2c4269576da602056e94bceeb66b7579121d0559

  • \Program Files (x86)\CggedFrog\CggedFrog7.exe

    Filesize

    2.1MB

    MD5

    8bb5a1dcb7aaa32626f8180b2769a77e

    SHA1

    93f80063524828893796382721986272e293aa4d

    SHA256

    577490d1249efb93d64632e8ef46590fcc17a13b70a6c13d27934e56fca2719d

    SHA512

    da20dc0bfee9abc603cafdc096ebf288cd03ad4efc9984c3061df166b07d5a7254818b00533e17e56215289458f791e58a68f2a39391d6ce2368b7677d8cdbdb

  • \Users\Admin\AppData\Local\Temp\is-172K5.tmp\bf11b43e1f298bc90370b1dd83868443542a7c365a4afb204e8e2d6ffd89e44c.tmp

    Filesize

    955KB

    MD5

    71b23c68dc698518b17e8c2486245883

    SHA1

    4e26a8c1845431b0630ba3a58ee3e0e78cfc5d17

    SHA256

    975ee3a1a4c6c4b836b9c26b8dc0839f024294a07b2f554ad210c8284a8cb568

    SHA512

    60fc272e81735f8f7f9294686321c5557d4499095893af6294ee483954765d0edb169a6edb353a3aa86b3bdf52c5030e15b3329fa82af6122248baa9b61d9a69

  • \Users\Admin\AppData\Local\Temp\is-UJEJG.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-UJEJG.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • memory/1960-105-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1960-0-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1960-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2528-107-0x0000000000400000-0x0000000001410000-memory.dmp

    Filesize

    16.1MB

  • memory/2528-101-0x0000000000400000-0x0000000001410000-memory.dmp

    Filesize

    16.1MB

  • memory/2528-102-0x0000000000400000-0x0000000001410000-memory.dmp

    Filesize

    16.1MB

  • memory/2912-15-0x0000000000400000-0x00000000004FF000-memory.dmp

    Filesize

    1020KB

  • memory/2912-104-0x0000000003B40000-0x0000000004B50000-memory.dmp

    Filesize

    16.1MB

  • memory/2912-103-0x0000000000400000-0x00000000004FF000-memory.dmp

    Filesize

    1020KB

  • memory/2912-100-0x0000000003B40000-0x0000000004B50000-memory.dmp

    Filesize

    16.1MB