Analysis

  • max time kernel
    136s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    28/04/2024, 04:26

General

  • Target
    d161fae7406d06881e21a74abba653ef.exe
  • Size 455KB
  • Sample240428-e2hsysga58
  • SHA256 1562435949a43d05963e88e6dca52df0b7510a08b28a25feff91f810e29a3cfb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealc

C2
  • http://185.172.128.62

Attributes
  • url_path

    /902e53a07830e030.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
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 16 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.

  • Suspicious behavior: EnumeratesProcesses 12 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 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d161fae7406d06881e21a74abba653ef.exe
    "C:\Users\Admin\AppData\Local\Temp\d161fae7406d06881e21a74abba653ef.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Users\Admin\AppData\Local\Temp\u29s.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u29s.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2300
    • C:\Users\Admin\AppData\Local\Temp\u29s.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u29s.2\run.exe"
      2⤵
      • 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:2072
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2684
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2664
    • C:\Users\Admin\AppData\Local\Temp\u29s.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u29s.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2704
      • 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:1028

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        f8cb17b82af144b58d36b5024aeee66b.tmp

        • Path C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\252e99e709753c2ab04b66e213ab7d72cfdb494a7016e07d23bc17fe7cebab94\f8cb17b82af144b58d36b5024aeee66b.tmp
        • Size 1KB
        • SHA256 630f5c049f516c33e57fcb3dba8bdf2400a319467a8d634937cfbb58f40902ac
        • MD5 SHA1 SHA512

        U29S1~1.ZIP

        • Path C:\Users\Admin\AppData\Local\Temp\U29S1~1.ZIP
        • Size 3.7MB
        • SHA256 a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
        • MD5 SHA1 SHA512 SSDEEP

        b009b443

        • Path C:\Users\Admin\AppData\Local\Temp\b009b443
        • Size 1.4MB
        • SHA256 e2270702bf3520e96c10bd02e288c7a0a070ab9aee828ab77c796b07f8d0ba1e
        • MD5 SHA1 SHA512 SSDEEP

        ioloDMLog.txt

        • Path C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
        • Size 2KB
        • SHA256 d43f6039eea0719872812df8a1295f03596aa4768847556d388731eb39968f9a
        • MD5 SHA1 SHA512

        tmp907E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp907E.tmp
        • Size 20KB
        • SHA256 4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
        • MD5 SHA1 SHA512 SSDEEP

        UIxMarketPlugin.dll

        • Path C:\Users\Admin\AppData\Local\Temp\u29s.2\UIxMarketPlugin.dll
        • Size 1.6MB
        • SHA256 cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
        • MD5 SHA1 SHA512 SSDEEP

        bunch.dat

        • Path C:\Users\Admin\AppData\Local\Temp\u29s.2\bunch.dat
        • Size 1.3MB
        • SHA256 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
        • MD5 SHA1 SHA512 SSDEEP

        relay.dll

        • Path C:\Users\Admin\AppData\Local\Temp\u29s.2\relay.dll
        • Size 1.5MB
        • SHA256 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
        • MD5 SHA1 SHA512 SSDEEP

        run.exe

        • Path C:\Users\Admin\AppData\Local\Temp\u29s.2\run.exe
        • Size 2.4MB
        • SHA256 a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
        • MD5 SHA1 SHA512 SSDEEP

        whale.dbf

        • Path C:\Users\Admin\AppData\Local\Temp\u29s.2\whale.dbf
        • Size 85KB
        • SHA256 b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
        • 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

        u29s.0.exe

        • Path \Users\Admin\AppData\Local\Temp\u29s.0.exe
        • Size 311KB
        • SHA256 af4eb9efd0598c707a5a1a443b3c41138141d056391494da2d81691d619aeb32
        • MD5 SHA1 SHA512 SSDEEP

        u29s.3.exe

        • Path \Users\Admin\AppData\Local\Temp\u29s.3.exe
        • Size 4.6MB
        • SHA256 4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
        • MD5 SHA1 SHA512 SSDEEP

        memory/1028-270-0x0000000005A00000-0x0000000005A22000-memory.dmp

        memory/1028-261-0x0000000000780000-0x000000000078A000-memory.dmp

        memory/1028-300-0x00000000007A0000-0x00000000007AA000-memory.dmp

        memory/1028-299-0x00000000007A0000-0x00000000007AA000-memory.dmp

        memory/1028-273-0x0000000005A20000-0x0000000005A2C000-memory.dmp

        memory/1028-269-0x00000000059F0000-0x00000000059FA000-memory.dmp

        memory/1028-267-0x00000000007A0000-0x00000000007AA000-memory.dmp

        memory/1028-268-0x00000000007A0000-0x00000000007AA000-memory.dmp

        memory/1028-249-0x0000000000860000-0x0000000004158000-memory.dmp

        memory/1028-250-0x000000001F090000-0x000000001F1A0000-memory.dmp

        memory/1028-251-0x0000000000560000-0x0000000000570000-memory.dmp

        memory/1028-252-0x0000000000850000-0x000000000085C000-memory.dmp

        memory/1028-253-0x0000000000840000-0x0000000000854000-memory.dmp

        memory/1028-254-0x0000000005BB0000-0x0000000005BD4000-memory.dmp

        memory/1028-257-0x000000001EC10000-0x000000001EC3A000-memory.dmp

        memory/1028-258-0x000000001EC90000-0x000000001ED42000-memory.dmp

        memory/1028-256-0x000000001E510000-0x000000001E51A000-memory.dmp

        memory/1028-259-0x000000001F9F0000-0x000000001FA6A000-memory.dmp

        memory/1028-260-0x00000000007C0000-0x0000000000822000-memory.dmp

        memory/1028-265-0x000000001FFA0000-0x00000000202A0000-memory.dmp

        memory/2072-181-0x0000000074460000-0x00000000745D4000-memory.dmp

        memory/2072-110-0x00000000778A0000-0x0000000077A49000-memory.dmp

        memory/2072-109-0x0000000074460000-0x00000000745D4000-memory.dmp

        memory/2300-331-0x0000000000400000-0x0000000001A19000-memory.dmp

        memory/2300-295-0x0000000000400000-0x0000000001A19000-memory.dmp

        memory/2300-137-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        memory/2300-190-0x0000000000400000-0x0000000001A19000-memory.dmp

        memory/2300-317-0x0000000000400000-0x0000000001A19000-memory.dmp

        memory/2664-320-0x0000000000400000-0x00000000004C6000-memory.dmp

        memory/2664-309-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

        memory/2664-308-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

        memory/2664-307-0x0000000071C10000-0x0000000072C72000-memory.dmp

        memory/2684-192-0x00000000778A0000-0x0000000077A49000-memory.dmp

        memory/2684-301-0x0000000074460000-0x00000000745D4000-memory.dmp

        memory/2704-248-0x0000000000400000-0x00000000008AD000-memory.dmp

        memory/2944-130-0x0000000000400000-0x0000000001A3D000-memory.dmp

        memory/2944-3-0x0000000000400000-0x0000000001A3D000-memory.dmp

        memory/2944-131-0x0000000001BA0000-0x0000000001CA0000-memory.dmp

        memory/2944-1-0x0000000001BA0000-0x0000000001CA0000-memory.dmp

        memory/2944-2-0x0000000000230000-0x000000000029D000-memory.dmp