Analysis

  • max time kernel
    139s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 16:15

General

  • Target

    a764256c5d36a3339733437888bd756059fff4422e31697319ef54a08ed53444.exe

  • Size

    445KB

  • MD5

    4e23683093c8c129220769d219abf943

  • SHA1

    ee911754e062ed6cd5f0f5e854ae72f647aacbcd

  • SHA256

    a764256c5d36a3339733437888bd756059fff4422e31697319ef54a08ed53444

  • SHA512

    5cf1d273ec67a7ef9f15f26dc19c7fdfb7ca55ee1d4b6666d253cae9114aa48bdc3c3a46b3283553dcacfb4ffe0fdd149c651d8e29fbeb5da6f939b3066a8b31

  • SSDEEP

    6144:JekG6S4KJiiEPhpbas7CdbWTExRYde0GsybfjRYHx7IlvDbm+NRASZ/:4kG6fTxasubCde0GxrRNlvDbvNyU/

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a764256c5d36a3339733437888bd756059fff4422e31697319ef54a08ed53444.exe
    "C:\Users\Admin\AppData\Local\Temp\a764256c5d36a3339733437888bd756059fff4422e31697319ef54a08ed53444.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Local\Temp\u1ko.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1ko.0.exe"
      2⤵
      • Executes dropped EXE
      PID:2076
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 1032
        3⤵
        • Program crash
        PID:2884
    • C:\Users\Admin\AppData\Local\Temp\Qg_Appv5.exe
      "C:\Users\Admin\AppData\Local\Temp\Qg_Appv5.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3368
      • C:\Users\Admin\AppData\Local\Temp\Zqicom_beta\UniversalInstaller.exe
        C:\Users\Admin\AppData\Local\Temp\Zqicom_beta\UniversalInstaller.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1712
        • C:\Users\Admin\AppData\Roaming\Zqicom_beta\UniversalInstaller.exe
          C:\Users\Admin\AppData\Roaming\Zqicom_beta\UniversalInstaller.exe
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4560
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\SysWOW64\cmd.exe
            5⤵
            • Suspicious use of SetThreadContext
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:4644
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3240
    • C:\Users\Admin\AppData\Local\Temp\u1ko.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1ko.1.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1828
      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
        "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1012
      2⤵
      • Program crash
      PID:2320
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2076 -ip 2076
    1⤵
      PID:3248
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2040 -ip 2040
      1⤵
        PID:940

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\564205e7
        Filesize

        5.9MB

        MD5

        dcc26dd014bad9eafa9066d3781b615d

        SHA1

        b0cb8621ca58a196ac73bed4e525deacfaf2d836

        SHA256

        69502ffc7e2b8946d420e682cd1421f58a17f489590f761c580ce2a4feb74ae3

        SHA512

        5a7804fdebe09aada86e327899fa7ce6830c26c426d398dd72ef68121c33e59c2572709a725f43d6f1d31c52e7b4ea10b2128d00d530a00ef9db9a8efef204e3

      • C:\Users\Admin\AppData\Local\Temp\5e9e49a1
        Filesize

        1.4MB

        MD5

        5b71bc1c3e2a6bafdbbbee1a85758428

        SHA1

        4ad3f3e8fc37637683cf56c6c8688836b3be1bd4

        SHA256

        89741495b6175d7d07aaac5801186a7ff9187af52bc2ccff27613385e59340b1

        SHA512

        303991986a9fb2cbf2c529514f0a6699c20a9d9e46205e03c8ef30fe1695d78cc5bfc09af8e15aa4b8de31f41549edc7fd0252c0f0f653c90ef3d14af260cf76

      • C:\Users\Admin\AppData\Local\Temp\Qg_Appv5.exe
        Filesize

        14.7MB

        MD5

        6955715b6ff15bdc153a2431cc395cca

        SHA1

        272e1eec66a1871b300484b2200b507a4abe5420

        SHA256

        a6d40169be9c151e9e6c86fe53d2bac3b4c2ddb41c0b650d961f8328939b4761

        SHA512

        cf82d27d7010be69ab1c288fef9d820905407c8018e2a91f3c39a0eda5e9378e0ff04d077520d556d46d7a9cb0a3a640d15a10ad4090e482be3c83930836019d

      • C:\Users\Admin\AppData\Local\Temp\Zqicom_beta\UIxMarketPlugin.dll
        Filesize

        1.6MB

        MD5

        8f75e17a8bf3de6e22e77b5586f8a869

        SHA1

        e0bf196cfc19a8772e003b9058bdc211b419b261

        SHA256

        5f10a9fdcac32e93b1cebc365868ee3266f80c2734524b4aa7b6ea54e123f985

        SHA512

        5a1e78613ad90cb0dc855d8a935b136722749889b66d4d8fc0f52438f0a4f4c8c31fbb981e9c6a13ffb2cc2b77fe0747204b63a91c6fff4646eed915387c8d7d

      • C:\Users\Admin\AppData\Local\Temp\Zqicom_beta\UniversalInstaller.exe
        Filesize

        2.4MB

        MD5

        9fb4770ced09aae3b437c1c6eb6d7334

        SHA1

        fe54b31b0db8665aa5b22bed147e8295afc88a03

        SHA256

        a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

        SHA512

        140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

      • C:\Users\Admin\AppData\Local\Temp\Zqicom_beta\relay.dll
        Filesize

        1.5MB

        MD5

        7d2f87123e63950159fb2c724e55bdab

        SHA1

        360f304a6311080e1fead8591cb4659a8d135f2d

        SHA256

        b3483bb771948ed8d3f76faaa3606c8ef72e3d2d355eaa652877e21e0651aa9a

        SHA512

        6cb8d27ebcfdf9e472c0a6fff86e6f4ec604b8f0f21c197ba6d5b76b703296c10c8d7c4fb6b082c7e77f5c35d364bcffd76ae54137e2c8944c1ea7bb9e2e5f08

      • C:\Users\Admin\AppData\Local\Temp\u1ko.0.exe
        Filesize

        300KB

        MD5

        e965474beb540e3e06258c43394f3808

        SHA1

        62cf5e660080e94f7ab601fa5fb071431e17dbf9

        SHA256

        e7d01bd9be89df004023b65241047382885bb8f89df0f2f6be274bbb2f2eaf3f

        SHA512

        4cc04091fbfdeebf28f1eaeb6ac85e93af01214fc3a7b17de601761b5976615a2dbc9919d7eff6185720d3693701f699fe3daa70106dd1d41c4914c3f1a16e0c

      • C:\Users\Admin\AppData\Local\Temp\u1ko.1.exe
        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1828-125-0x0000000000400000-0x00000000008AD000-memory.dmp
        Filesize

        4.7MB

      • memory/1828-122-0x00000000026A0000-0x00000000026A1000-memory.dmp
        Filesize

        4KB

      • memory/1828-112-0x0000000000400000-0x00000000008AD000-memory.dmp
        Filesize

        4.7MB

      • memory/1828-74-0x00000000026A0000-0x00000000026A1000-memory.dmp
        Filesize

        4KB

      • memory/2040-79-0x0000000000400000-0x0000000001A39000-memory.dmp
        Filesize

        22.2MB

      • memory/2040-22-0x00000000037D0000-0x000000000383E000-memory.dmp
        Filesize

        440KB

      • memory/2040-1-0x0000000001C30000-0x0000000001D30000-memory.dmp
        Filesize

        1024KB

      • memory/2040-2-0x00000000037D0000-0x000000000383E000-memory.dmp
        Filesize

        440KB

      • memory/2040-3-0x0000000000400000-0x0000000001A39000-memory.dmp
        Filesize

        22.2MB

      • memory/2040-20-0x0000000000400000-0x0000000001A39000-memory.dmp
        Filesize

        22.2MB

      • memory/2040-21-0x0000000001C30000-0x0000000001D30000-memory.dmp
        Filesize

        1024KB

      • memory/2076-16-0x0000000001B30000-0x0000000001C30000-memory.dmp
        Filesize

        1024KB

      • memory/2076-19-0x0000000000400000-0x0000000001A15000-memory.dmp
        Filesize

        22.1MB

      • memory/2076-17-0x0000000003620000-0x0000000003647000-memory.dmp
        Filesize

        156KB

      • memory/2076-18-0x0000000000400000-0x0000000001A15000-memory.dmp
        Filesize

        22.1MB

      • memory/3240-173-0x0000000005970000-0x0000000005A02000-memory.dmp
        Filesize

        584KB

      • memory/3240-174-0x0000000005FC0000-0x0000000006564000-memory.dmp
        Filesize

        5.6MB

      • memory/3240-166-0x0000000072FB0000-0x0000000074204000-memory.dmp
        Filesize

        18.3MB

      • memory/3240-171-0x0000000072350000-0x0000000072B00000-memory.dmp
        Filesize

        7.7MB

      • memory/3240-182-0x0000000072350000-0x0000000072B00000-memory.dmp
        Filesize

        7.7MB

      • memory/3240-170-0x0000000001300000-0x00000000013C6000-memory.dmp
        Filesize

        792KB

      • memory/3240-176-0x0000000005D10000-0x0000000005ED2000-memory.dmp
        Filesize

        1.8MB

      • memory/3240-177-0x0000000005A10000-0x0000000005A60000-memory.dmp
        Filesize

        320KB

      • memory/3240-183-0x0000000001620000-0x0000000001696000-memory.dmp
        Filesize

        472KB

      • memory/3368-53-0x00007FF969FB0000-0x00007FF96A122000-memory.dmp
        Filesize

        1.4MB

      • memory/3368-84-0x00007FF969FB0000-0x00007FF96A122000-memory.dmp
        Filesize

        1.4MB

      • memory/3368-54-0x00007FF969FB0000-0x00007FF96A122000-memory.dmp
        Filesize

        1.4MB

      • memory/3368-44-0x00007FF969FB0000-0x00007FF96A122000-memory.dmp
        Filesize

        1.4MB

      • memory/3368-42-0x00007FF969FB0000-0x00007FF96A122000-memory.dmp
        Filesize

        1.4MB

      • memory/3368-35-0x000001C528E20000-0x000001C528E21000-memory.dmp
        Filesize

        4KB

      • memory/3368-36-0x00000000000E0000-0x0000000000FBD000-memory.dmp
        Filesize

        14.9MB

      • memory/4404-130-0x000001F1C75D0000-0x000001F1C75E0000-memory.dmp
        Filesize

        64KB

      • memory/4404-154-0x000001F1E7280000-0x000001F1E728A000-memory.dmp
        Filesize

        40KB

      • memory/4404-129-0x000001F1E1990000-0x000001F1E1AA0000-memory.dmp
        Filesize

        1.1MB

      • memory/4404-127-0x000001F1C37B0000-0x000001F1C70A8000-memory.dmp
        Filesize

        57.0MB

      • memory/4404-131-0x000001F1C8EE0000-0x000001F1C8EEC000-memory.dmp
        Filesize

        48KB

      • memory/4404-132-0x000001F1C7490000-0x000001F1C74A4000-memory.dmp
        Filesize

        80KB

      • memory/4404-133-0x000001F1C8EF0000-0x000001F1C8F14000-memory.dmp
        Filesize

        144KB

      • memory/4404-134-0x000001F1C8F60000-0x000001F1C8F6A000-memory.dmp
        Filesize

        40KB

      • memory/4404-135-0x000001F1E17C0000-0x000001F1E1872000-memory.dmp
        Filesize

        712KB

      • memory/4404-139-0x000001F1E1D80000-0x000001F1E1DF6000-memory.dmp
        Filesize

        472KB

      • memory/4404-138-0x000001F1E1CA0000-0x000001F1E1D02000-memory.dmp
        Filesize

        392KB

      • memory/4404-137-0x000001F1E1C10000-0x000001F1E1C8A000-memory.dmp
        Filesize

        488KB

      • memory/4404-136-0x000001F1E1BE0000-0x000001F1E1C0A000-memory.dmp
        Filesize

        168KB

      • memory/4404-140-0x000001F1C8F70000-0x000001F1C8F7A000-memory.dmp
        Filesize

        40KB

      • memory/4404-144-0x000001F1E1E00000-0x000001F1E2100000-memory.dmp
        Filesize

        3.0MB

      • memory/4404-181-0x000001F1C8EA0000-0x000001F1C8EB0000-memory.dmp
        Filesize

        64KB

      • memory/4404-180-0x000001F1C8EA0000-0x000001F1C8EB0000-memory.dmp
        Filesize

        64KB

      • memory/4404-149-0x000001F1C8EA0000-0x000001F1C8EB0000-memory.dmp
        Filesize

        64KB

      • memory/4404-148-0x000001F1E67E0000-0x000001F1E67E8000-memory.dmp
        Filesize

        32KB

      • memory/4404-150-0x000001F1C8EA0000-0x000001F1C8EB0000-memory.dmp
        Filesize

        64KB

      • memory/4404-151-0x000001F1C8EA0000-0x000001F1C8EB0000-memory.dmp
        Filesize

        64KB

      • memory/4404-152-0x000001F1E6120000-0x000001F1E6158000-memory.dmp
        Filesize

        224KB

      • memory/4404-153-0x000001F1E60F0000-0x000001F1E60FE000-memory.dmp
        Filesize

        56KB

      • memory/4404-128-0x000001F1C8EA0000-0x000001F1C8EB0000-memory.dmp
        Filesize

        64KB

      • memory/4404-155-0x000001F1E7000000-0x000001F1E7022000-memory.dmp
        Filesize

        136KB

      • memory/4404-156-0x000001F1E77C0000-0x000001F1E7CE8000-memory.dmp
        Filesize

        5.2MB

      • memory/4404-161-0x000001F1E7020000-0x000001F1E702C000-memory.dmp
        Filesize

        48KB

      • memory/4404-160-0x000001F1E7070000-0x000001F1E70C0000-memory.dmp
        Filesize

        320KB

      • memory/4404-159-0x000001F1C8EA0000-0x000001F1C8EB0000-memory.dmp
        Filesize

        64KB

      • memory/4404-162-0x000001F1E70C0000-0x000001F1E70E2000-memory.dmp
        Filesize

        136KB

      • memory/4404-163-0x000001F1E70F0000-0x000001F1E710E000-memory.dmp
        Filesize

        120KB

      • memory/4404-179-0x000001F1C8EA0000-0x000001F1C8EB0000-memory.dmp
        Filesize

        64KB

      • memory/4404-126-0x00007FF968A90000-0x00007FF969551000-memory.dmp
        Filesize

        10.8MB

      • memory/4404-178-0x000001F1C8EA0000-0x000001F1C8EB0000-memory.dmp
        Filesize

        64KB

      • memory/4404-172-0x00007FF968A90000-0x00007FF969551000-memory.dmp
        Filesize

        10.8MB

      • memory/4404-175-0x000001F1C8EA0000-0x000001F1C8EB0000-memory.dmp
        Filesize

        64KB

      • memory/4560-86-0x0000000072D00000-0x0000000072E7B000-memory.dmp
        Filesize

        1.5MB

      • memory/4560-62-0x0000000072D00000-0x0000000072E7B000-memory.dmp
        Filesize

        1.5MB

      • memory/4560-61-0x00007FF988BD0000-0x00007FF988DC5000-memory.dmp
        Filesize

        2.0MB

      • memory/4560-60-0x0000000072D00000-0x0000000072E7B000-memory.dmp
        Filesize

        1.5MB

      • memory/4644-105-0x00007FF988BD0000-0x00007FF988DC5000-memory.dmp
        Filesize

        2.0MB

      • memory/4644-88-0x0000000072D00000-0x0000000072E7B000-memory.dmp
        Filesize

        1.5MB

      • memory/4644-106-0x0000000072D00000-0x0000000072E7B000-memory.dmp
        Filesize

        1.5MB

      • memory/4644-107-0x0000000072D00000-0x0000000072E7B000-memory.dmp
        Filesize

        1.5MB

      • memory/4644-167-0x0000000072D00000-0x0000000072E7B000-memory.dmp
        Filesize

        1.5MB

      • memory/4644-147-0x0000000072D00000-0x0000000072E7B000-memory.dmp
        Filesize

        1.5MB

      • memory/4644-146-0x0000000072D00000-0x0000000072E7B000-memory.dmp
        Filesize

        1.5MB