Overview

overview

10

Static

static

3

654b2bbb6e...bf.exe

windows7-x64

10

654b2bbb6e...bf.exe

windows10-2004-x64

10

Resubmissions

04/08/2023, 02:24

230804-cvxbnaab5x10

02/08/2023, 09:10

230802-k41z7sfa5s10

Analysis

  • max time kernel
    297s
  • max time network
    292s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/08/2023, 02:24

Sharing

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General

  • Target
    654b2bbb6e3c90abb4f3ab9bd2f2bdbf.exe
  • Size 1.3MB
  • Sample230804-cvxbnaab5x
  • SHA256 6d6c82dfc506972c65fca56d5f836ed9fb2be714fd0d15da7ea942cc3cf78956
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
gcleanerloader

Malware Config

Extracted

Family

  • gcleaner

C2

  • 45.12.253.56

  • 45.12.253.72

  • 45.12.253.98

  • 45.12.253.75

Attributes
  • url_path

    /default/puk.php

Signatures

  • GCleaner

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

    loadergcleaner
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\654b2bbb6e3c90abb4f3ab9bd2f2bdbf.exe
    "C:\Users\Admin\AppData\Local\Temp\654b2bbb6e3c90abb4f3ab9bd2f2bdbf.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4364
    • C:\Users\Admin\AppData\Local\Temp\is-9G0ER.tmp\654b2bbb6e3c90abb4f3ab9bd2f2bdbf.exe.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9G0ER.tmp\654b2bbb6e3c90abb4f3ab9bd2f2bdbf.exe.tmp" /SL5="$170060,1112391,53248,C:\Users\Admin\AppData\Local\Temp\654b2bbb6e3c90abb4f3ab9bd2f2bdbf.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4316
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 31
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:728
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 31
          4⤵
            PID:2104
        • C:\Program Files (x86)\FNSpacer731\FNSpacer731.exe
          "C:\Program Files (x86)\FNSpacer731\FNSpacer731.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of WriteProcessMemory
          PID:2484
          • C:\Users\Admin\AppData\Roaming\{d31c9c85-19e1-11ee-af52-806e6f6e6963}\MqiaxLzyl.exe
            4⤵
            • Executes dropped EXE
            PID:536

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          FNSpacer731.exe
          • Path C:\Program Files (x86)\FNSpacer731\FNSpacer731.exe
          • Size 1.5MB
          • SHA256 86e7e0a5474cdaccca0122de5b1d30b0292e0c7bb05416ab5acac358530c6a89
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          FNSpacer731.exe
          • Path C:\Program Files (x86)\FNSpacer731\FNSpacer731.exe
          • Size 1.5MB
          • SHA256 86e7e0a5474cdaccca0122de5b1d30b0292e0c7bb05416ab5acac358530c6a89
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          readme.txt
          • Path C:\Program Files (x86)\FNSpacer731\readme.txt
          • Size 4KB
          • SHA256 c8fa111c5b9537e3b6cab9ba763e164e27fa469f2232b82a54b206a7d892b9e9
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          654b2bbb6e3c90abb4f3ab9bd2f2bdbf.exe.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\is-9G0ER.tmp\654b2bbb6e3c90abb4f3ab9bd2f2bdbf.exe.tmp
          • Size 664KB
          • SHA256 da2f1e62c8de1324166f76f46977e8c6d32fa48fdca42f3ea59e5ab01fb56a8d
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          654b2bbb6e3c90abb4f3ab9bd2f2bdbf.exe.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\is-9G0ER.tmp\654b2bbb6e3c90abb4f3ab9bd2f2bdbf.exe.tmp
          • Size 664KB
          • SHA256 da2f1e62c8de1324166f76f46977e8c6d32fa48fdca42f3ea59e5ab01fb56a8d
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          _iscrypt.dll
          • Path C:\Users\Admin\AppData\Local\Temp\is-M95AG.tmp\_isetup\_iscrypt.dll
          • Size 2KB
          • SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
          • MD5 SHA1 SHA512
          Submit Download

          MqiaxLzyl.exe
          • Path C:\Users\Admin\AppData\Roaming\{d31c9c85-19e1-11ee-af52-806e6f6e6963}\MqiaxLzyl.exe
          • Size 72KB
          • SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          MqiaxLzyl.exe
          • Path C:\Users\Admin\AppData\Roaming\{d31c9c85-19e1-11ee-af52-806e6f6e6963}\MqiaxLzyl.exe
          • Size 72KB
          • SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/2484-325-0x0000000000400000-0x0000000001381000-memory.dmp
          Download

          memory/2484-324-0x0000000000400000-0x0000000001381000-memory.dmp
          Download

          memory/2484-326-0x0000000000400000-0x0000000001381000-memory.dmp
          Download

          memory/2484-334-0x0000000000400000-0x0000000001381000-memory.dmp
          Download

          memory/4316-140-0x0000000002240000-0x0000000002241000-memory.dmp
          Download

          memory/4316-332-0x0000000000400000-0x00000000004B5000-memory.dmp
          Download

          memory/4316-333-0x0000000002240000-0x0000000002241000-memory.dmp
          Download

          memory/4364-134-0x0000000000400000-0x0000000000414000-memory.dmp
          Download

          memory/4364-331-0x0000000000400000-0x0000000000414000-memory.dmp
          Download