Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/10/2026, 06:22

General

  • Target
    file.exe
  • Size 648KB
  • Sample261013-g41snax18m
  • SHA256 3e83eb0906d4c8e8f94263d3fb5127146238255e627482de75ff3d3a8ae6ae34
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • gcleaner

C2
  • 185.156.73.98

Signatures

  • Family: GCleaner

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 TTPs 1 IoCs
  • Downloads MZ/PE file 25 IoCs
  • Executes dropped EXE 24 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 2 IoCs
  • Direct Volume Access: Opens a physical disk for reading 1 TTPs 1 IoCs

    Opens a raw handle to a physical disk, which bypasses file system access controls and is used for disk inspection, anti-VM checks and privilege checks.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Windows\explorer.exe
    explorer.exe /LOADSAVEDWINDOWS
    1⤵
      PID:5704
      • C:\Users\Admin\AppData\Local\Temp\file.exe
        "C:\Users\Admin\AppData\Local\Temp\file.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4300
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\file.exe"
        2⤵
        • Downloads MZ/PE file
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1060
        • C:\Users\Admin\AppData\Roaming\WwH9I\wS7pAuwwC7.exe
          "C:\Users\Admin\AppData\Roaming\WwH9I\wS7pAuwwC7.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4512
        • C:\Users\Admin\AppData\Roaming\mubJf6p5\2i7wJNm0oqA3.exe
          "C:\Users\Admin\AppData\Roaming\mubJf6p5\2i7wJNm0oqA3.exe"
          3⤵
          • Executes dropped EXE
          PID:2820
        • C:\Users\Admin\AppData\Roaming\QNMM8ywl\WmbMQZwvKKKqo.exe
          "C:\Users\Admin\AppData\Roaming\QNMM8ywl\WmbMQZwvKKKqo.exe"
          3⤵
          • Executes dropped EXE
          PID:2268
        • C:\Users\Admin\AppData\Roaming\HZfvQN7Qj5P\5twdKFU6jBu18.exe
          "C:\Users\Admin\AppData\Roaming\HZfvQN7Qj5P\5twdKFU6jBu18.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:124
          • C:\Users\Admin\AppData\Roaming\HZfvQN7Qj5P\5twdKFU6jBu18.exe
            "C:\Users\Admin\AppData\Roaming\HZfvQN7Qj5P\5twdKFU6jBu18.exe"
            4⤵
            • Executes dropped EXE
            PID:2476
        • C:\Users\Admin\AppData\Roaming\Drk3dc\uwOT67Hz9psSA.exe
          "C:\Users\Admin\AppData\Roaming\Drk3dc\uwOT67Hz9psSA.exe"
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Direct Volume Access: Opens a physical disk for reading
          • Reads the TCP/IP host and domain name from the registry
          • Checks processor information in registry
          PID:5620
        • C:\Users\Admin\AppData\Roaming\sGc8W4\SLTLINkX3pgqt.exe
          "C:\Users\Admin\AppData\Roaming\sGc8W4\SLTLINkX3pgqt.exe"
          3⤵
          • Executes dropped EXE
          • Reads the TCP/IP host and domain name from the registry
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1800
        • C:\Users\Admin\AppData\Roaming\rwppDlu1p\3L7999wYo.exe
          "C:\Users\Admin\AppData\Roaming\rwppDlu1p\3L7999wYo.exe"
          3⤵
          • Executes dropped EXE
          PID:4480
        • C:\Users\Admin\AppData\Roaming\hP7Rju76\wcMrNsHteq.exe
          "C:\Users\Admin\AppData\Roaming\hP7Rju76\wcMrNsHteq.exe"
          3⤵
          • Executes dropped EXE
          PID:4568
        • C:\Users\Admin\AppData\Roaming\EcCI9MIb\cgSSeHRH9jt.exe
          "C:\Users\Admin\AppData\Roaming\EcCI9MIb\cgSSeHRH9jt.exe"
          3⤵
          • Executes dropped EXE
          PID:5088
        • C:\Users\Admin\AppData\Roaming\CrZLfun\PtQUmS7TsokhN.exe
          "C:\Users\Admin\AppData\Roaming\CrZLfun\PtQUmS7TsokhN.exe"
          3⤵
          • Executes dropped EXE
          PID:3436
        • C:\Users\Admin\AppData\Roaming\6hQvuZD9un\p2GaqTuiwX.exe
          "C:\Users\Admin\AppData\Roaming\6hQvuZD9un\p2GaqTuiwX.exe"
          3⤵
          • Executes dropped EXE
          PID:1356
        • C:\Users\Admin\AppData\Roaming\VR8jQvf7Jw\NCbYA1xhL1GO4.exe
          "C:\Users\Admin\AppData\Roaming\VR8jQvf7Jw\NCbYA1xhL1GO4.exe"
          3⤵
          • Executes dropped EXE
          PID:1308
        • C:\Users\Admin\AppData\Roaming\S9BNlQBSw\QQvnjJ8wxxX.exe
          "C:\Users\Admin\AppData\Roaming\S9BNlQBSw\QQvnjJ8wxxX.exe"
          3⤵
          • Executes dropped EXE
          PID:3240
        • C:\Users\Admin\AppData\Roaming\5KnqvHDvq\pK8tPT5sbH1.exe
          "C:\Users\Admin\AppData\Roaming\5KnqvHDvq\pK8tPT5sbH1.exe"
          3⤵
          • Executes dropped EXE
          PID:4268
        • C:\Users\Admin\AppData\Roaming\08WvJeQlDBM\LPJMET7sa.exe
          "C:\Users\Admin\AppData\Roaming\08WvJeQlDBM\LPJMET7sa.exe"
          3⤵
          • Executes dropped EXE
          PID:2552
        • C:\Users\Admin\AppData\Roaming\aOjcVfWoKMY\rh9s6qblp.exe
          "C:\Users\Admin\AppData\Roaming\aOjcVfWoKMY\rh9s6qblp.exe"
          3⤵
          • Executes dropped EXE
          PID:3328
        • C:\Users\Admin\AppData\Roaming\TFb7KjCrERt\QBT7mp0Hari.exe
          "C:\Users\Admin\AppData\Roaming\TFb7KjCrERt\QBT7mp0Hari.exe"
          3⤵
          • Executes dropped EXE
          PID:5400
        • C:\Users\Admin\AppData\Roaming\rTNxLs4u8R\r7Tf1RW1wpP.exe
          "C:\Users\Admin\AppData\Roaming\rTNxLs4u8R\r7Tf1RW1wpP.exe"
          3⤵
          • Executes dropped EXE
          PID:2464
        • C:\Users\Admin\AppData\Roaming\qj3K8W\I5v4aaehw.exe
          "C:\Users\Admin\AppData\Roaming\qj3K8W\I5v4aaehw.exe"
          3⤵
          • Executes dropped EXE
          PID:4160
        • C:\Users\Admin\AppData\Roaming\gMK31\P1OEkO7pKOquM.exe
          "C:\Users\Admin\AppData\Roaming\gMK31\P1OEkO7pKOquM.exe"
          3⤵
          • Executes dropped EXE
          PID:3048
        • C:\Users\Admin\AppData\Roaming\7S9YX\l6rrowqvvu.exe
          "C:\Users\Admin\AppData\Roaming\7S9YX\l6rrowqvvu.exe"
          3⤵
          • Executes dropped EXE
          PID:5172
        • C:\Users\Admin\AppData\Roaming\KHL10TAch2s\SCp9YrOMvowO.exe
          "C:\Users\Admin\AppData\Roaming\KHL10TAch2s\SCp9YrOMvowO.exe"
          3⤵
          • Executes dropped EXE
          PID:2796
        • C:\Users\Admin\AppData\Roaming\AyuojKd\7vMlkmU4LNNE.exe
          "C:\Users\Admin\AppData\Roaming\AyuojKd\7vMlkmU4LNNE.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2060

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          YCL.exe

          • Path C:\Users\Admin\AppData\Local\Temp\fvVw51wC0feDfwYdw4\YCL.exe
          • Size 2.5MB
          • SHA256 2a2c73d90d1d7e07afe173c527d2f5a64afda5ccdcf9231049d7c0deab3b7ef8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          7vMlkmU4LNNE.exe

          • Path C:\Users\Admin\AppData\Roaming\AyuojKd\7vMlkmU4LNNE.exe
          • Size 874KB
          • SHA256 f50f8bf1533e0d78e221bcf38b7e40bd9539d0c8fe0807c6633cdf6761798d33
          • MD5 SHA1 SHA512 SSDEEP TLSH

          uwOT67Hz9psSA.exe

          • Path C:\Users\Admin\AppData\Roaming\Drk3dc\uwOT67Hz9psSA.exe
          • Size 447KB
          • SHA256 48722c5cec00913a68566aea4d78be49610791e2a2ed2d9c1a93ca8a07ec8e46
          • MD5 SHA1 SHA512 SSDEEP TLSH

          5twdKFU6jBu18.exe

          • Path C:\Users\Admin\AppData\Roaming\HZfvQN7Qj5P\5twdKFU6jBu18.exe
          • Size 5.5MB
          • SHA256 8ad7f56f8701807d0b089d520d2f2625b20aaf06777ac0c4c79edb3ae1395aea
          • MD5 SHA1 SHA512 SSDEEP TLSH

          wS7pAuwwC7.exe

          • Path C:\Users\Admin\AppData\Roaming\WwH9I\wS7pAuwwC7.exe
          • Size 4.1MB
          • SHA256 aa3e272241995ceb22e7b70239b1d010482af721ce7c6ac6bde70c5cfb3e156a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          2i7wJNm0oqA3.exe

          • Path C:\Users\Admin\AppData\Roaming\mubJf6p5\2i7wJNm0oqA3.exe
          • Size 16KB
          • SHA256 69fe2d9f48833d84fc001182e34d1e004a1019208f261c19654598dbc390bc3c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SLTLINkX3pgqt.exe

          • Path C:\Users\Admin\AppData\Roaming\sGc8W4\SLTLINkX3pgqt.exe
          • Size 410KB
          • SHA256 4d75d51f4439a5706e061891065844a5201185fe345ed3f4aa72d8b2ec8bb914
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1060-6-0x0000000000A60000-0x0000000000A93000-memory.dmp

          memory/1060-15-0x0000000000A60000-0x0000000000A93000-memory.dmp

          memory/1060-7-0x0000000000A60000-0x0000000000A93000-memory.dmp

          memory/1060-10-0x0000000000A60000-0x0000000000A93000-memory.dmp

          memory/1060-5-0x0000000000A50000-0x0000000000A51000-memory.dmp

          memory/1060-30-0x0000000010000000-0x000000001001C000-memory.dmp

          memory/1060-14-0x0000000000A60000-0x0000000000A93000-memory.dmp

          memory/1060-197-0x0000000000A60000-0x0000000000A93000-memory.dmp

          memory/1060-13-0x0000000000A60000-0x0000000000A93000-memory.dmp

          memory/1060-8-0x0000000000A60000-0x0000000000A93000-memory.dmp

          memory/1060-16-0x0000000000A60000-0x0000000000A93000-memory.dmp

          memory/1060-9-0x0000000000A60000-0x0000000000A93000-memory.dmp

          memory/1060-17-0x0000000000A60000-0x0000000000A93000-memory.dmp

          memory/1060-18-0x0000000000A60000-0x0000000000A93000-memory.dmp

          memory/1308-122-0x00007FF68AD40000-0x00007FF68AD4C000-memory.dmp

          memory/1356-116-0x00007FF671B10000-0x00007FF671B1C000-memory.dmp

          memory/1800-94-0x0000000006220000-0x0000000006286000-memory.dmp

          memory/1800-80-0x0000000005630000-0x000000000565C000-memory.dmp

          memory/1800-79-0x0000000005600000-0x0000000005616000-memory.dmp

          memory/1800-78-0x0000000000AB0000-0x0000000000B1C000-memory.dmp

          memory/1800-81-0x0000000005670000-0x0000000005676000-memory.dmp

          memory/1800-104-0x0000000007760000-0x0000000007D1A000-memory.dmp

          memory/1800-103-0x0000000007100000-0x0000000007192000-memory.dmp

          memory/2268-50-0x00007FF65A7B0000-0x00007FF65A7BC000-memory.dmp

          memory/2464-158-0x00007FF6E2E00000-0x00007FF6E2E0C000-memory.dmp

          memory/2476-57-0x0000000140000000-0x00000001402C1000-memory.dmp

          memory/2552-140-0x00007FF760940000-0x00007FF76094C000-memory.dmp

          memory/2796-182-0x00007FF703FD0000-0x00007FF703FDC000-memory.dmp

          memory/2820-44-0x00007FF6891C0000-0x00007FF6891CC000-memory.dmp

          memory/3048-170-0x00007FF67EE90000-0x00007FF67EE9C000-memory.dmp

          memory/3240-128-0x00007FF74BBE0000-0x00007FF74BBEC000-memory.dmp

          memory/3328-146-0x00007FF7F4080000-0x00007FF7F408C000-memory.dmp

          memory/3436-110-0x00007FF64E820000-0x00007FF64E82C000-memory.dmp

          memory/4160-164-0x00007FF70B640000-0x00007FF70B64C000-memory.dmp

          memory/4268-134-0x00007FF7EAE60000-0x00007FF7EAE6C000-memory.dmp

          memory/4300-1-0x0000000000461000-0x0000000000462000-memory.dmp

          memory/4300-4-0x0000000002400000-0x000000000242F000-memory.dmp

          memory/4300-2-0x0000000000730000-0x0000000000731000-memory.dmp

          memory/4300-3-0x0000000000400000-0x00000000004A7000-memory.dmp

          memory/4300-0-0x00000000006E0000-0x00000000006E1000-memory.dmp

          memory/4480-87-0x00007FF6A64D0000-0x00007FF6A64DC000-memory.dmp

          memory/4568-93-0x00007FF666AE0000-0x00007FF666AEC000-memory.dmp

          memory/5088-100-0x00007FF616F20000-0x00007FF616F2C000-memory.dmp

          memory/5172-176-0x00007FF7FC570000-0x00007FF7FC57C000-memory.dmp

          memory/5400-152-0x00007FF6DE130000-0x00007FF6DE13C000-memory.dmp