Overview

overview

10

Static

static

3

dfc754e4d0...15.exe

windows7-x64

10

dfc754e4d0...15.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/07/2023, 01:12

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General

  • Target
    dfc754e4d0cb65246e8d8ba98fb4b79bc200960116292694417d08f158eea015.exe
  • Size 1.2MB
  • Sample230703-bky7tsec29
  • SHA256 dfc754e4d0cb65246e8d8ba98fb4b79bc200960116292694417d08f158eea015
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
gcleanerdiscoveryloader

Malware Config

Extracted

Family

  • gcleaner

C2

  • 45.12.253.56

  • 45.12.253.72

  • 45.12.253.98

  • 45.12.253.75

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
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • 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\dfc754e4d0cb65246e8d8ba98fb4b79bc200960116292694417d08f158eea015.exe
    "C:\Users\Admin\AppData\Local\Temp\dfc754e4d0cb65246e8d8ba98fb4b79bc200960116292694417d08f158eea015.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5024
    • C:\Users\Admin\AppData\Local\Temp\is-4A5A2.tmp\is-HFEL6.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-4A5A2.tmp\is-HFEL6.tmp" /SL4 $90048 "C:\Users\Admin\AppData\Local\Temp\dfc754e4d0cb65246e8d8ba98fb4b79bc200960116292694417d08f158eea015.exe" 961110 139776
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:368
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1736
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 1
          4⤵
            PID:3852
        • C:\Program Files (x86)\ReiSpacer71\ReiSpacer71.exe
          "C:\Program Files (x86)\ReiSpacer71\ReiSpacer71.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of WriteProcessMemory
          PID:3024
          • C:\Users\Admin\AppData\Roaming\{5c35b6da-1056-11ee-85b8-806e6f6e6963}\6d6Im2EMdsGr.exe
            4⤵
            • Executes dropped EXE
            PID:4120

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          ReiSpacer71.exe
          • Path C:\Program Files (x86)\ReiSpacer71\ReiSpacer71.exe
          • Size 1.1MB
          • SHA256 12ae0cdc6d5c239b4581fc9c367c743fabbcf7af1947936a0955fe3f98638450
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          ReiSpacer71.exe
          • Path C:\Program Files (x86)\ReiSpacer71\ReiSpacer71.exe
          • Size 1.1MB
          • SHA256 12ae0cdc6d5c239b4581fc9c367c743fabbcf7af1947936a0955fe3f98638450
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          readme.txt
          • Path C:\Program Files (x86)\ReiSpacer71\readme.txt
          • Size 4KB
          • SHA256 c8fa111c5b9537e3b6cab9ba763e164e27fa469f2232b82a54b206a7d892b9e9
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          is-HFEL6.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\is-4A5A2.tmp\is-HFEL6.tmp
          • Size 729KB
          • SHA256 410221a48dc0d2cc667c8d68ee819039be2ac515abc5f1beea0da1d68ec742ff
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          is-HFEL6.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\is-4A5A2.tmp\is-HFEL6.tmp
          • Size 729KB
          • SHA256 410221a48dc0d2cc667c8d68ee819039be2ac515abc5f1beea0da1d68ec742ff
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          _iscrypt.dll
          • Path C:\Users\Admin\AppData\Local\Temp\is-C2A42.tmp\_isetup\_iscrypt.dll
          • Size 2KB
          • SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
          • MD5 SHA1 SHA512
          Submit Download

          6d6Im2EMdsGr.exe
          • Path C:\Users\Admin\AppData\Roaming\{5c35b6da-1056-11ee-85b8-806e6f6e6963}\6d6Im2EMdsGr.exe
          • Size 72KB
          • SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          6d6Im2EMdsGr.exe
          • Path C:\Users\Admin\AppData\Roaming\{5c35b6da-1056-11ee-85b8-806e6f6e6963}\6d6Im2EMdsGr.exe
          • Size 72KB
          • SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/368-148-0x00000000007A0000-0x00000000007A1000-memory.dmp
          Download

          memory/368-330-0x0000000000400000-0x00000000004C6000-memory.dmp
          Download

          memory/3024-323-0x0000000000400000-0x0000000001312000-memory.dmp
          Download

          memory/3024-324-0x0000000000400000-0x0000000001312000-memory.dmp
          Download

          memory/3024-331-0x0000000000400000-0x0000000001312000-memory.dmp
          Download

          memory/5024-133-0x0000000000400000-0x0000000000428000-memory.dmp
          Download

          memory/5024-329-0x0000000000400000-0x0000000000428000-memory.dmp
          Download