Analysis

  • max time kernel
    139s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-05-2024 16:02

General

  • Target

    b0e0226ee0d241958a87f0b4a07abf6c9e63280bc990214af7e26f8286492871.exe

  • Size

    416KB

  • MD5

    889166c51337fafca2952d170d5c95c8

  • SHA1

    f5f7e36f352531937025c3d88217733af15e7782

  • SHA256

    b0e0226ee0d241958a87f0b4a07abf6c9e63280bc990214af7e26f8286492871

  • SHA512

    c14f54296bd98a8bdd99be52f491f2da335d09e3627635326b3e0218f8b51e484622e3cef9e7b8a4737aafaae37678b61cd0c148b745494335baafbf4aee3c96

  • SSDEEP

    6144:Z5YuR8GzWWGtJf1/NoL+TcbtnqJPMfsvJQjN+tu8BjtlLCSzE4Rx58VVFrk06:JR8GzWWSZ1g+w5qJmjNMu6h9vzE44k06

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 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 2 IoCs
  • Loads dropped DLL 2 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.

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0e0226ee0d241958a87f0b4a07abf6c9e63280bc990214af7e26f8286492871.exe
    "C:\Users\Admin\AppData\Local\Temp\b0e0226ee0d241958a87f0b4a07abf6c9e63280bc990214af7e26f8286492871.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:716
    • C:\Users\Admin\AppData\Local\Temp\ujw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\ujw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3968
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 2368
        3⤵
        • Program crash
        PID:2652
    • C:\Users\Admin\AppData\Local\Temp\ujw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\ujw.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:1368
      • 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:3728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 860
      2⤵
      • Program crash
      PID:5040
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 716 -ip 716
    1⤵
      PID:5072
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3968 -ip 3968
      1⤵
        PID:1584

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Are.docx

        Filesize

        11KB

        MD5

        a33e5b189842c5867f46566bdbf7a095

        SHA1

        e1c06359f6a76da90d19e8fd95e79c832edb3196

        SHA256

        5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

        SHA512

        f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

      • C:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        3KB

        MD5

        42a7430b066fc0b7ec681a0f89c5eafd

        SHA1

        afc9c90c7d60305b9fda8abd025a59e0de69e1f6

        SHA256

        f81a36da45eae931ab70ff1a10b0fa5ef5cecad23f93100d8b0050e5a429414c

        SHA512

        e40c0d7e0ead3b67a44e4cabc3ec0abcf93c15824b74b83c5830642b7ce85833875fe453b6ba455372b9e3f2eb97798a58febbfc802f36cf5d6309b01b0f8921

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

        Filesize

        274KB

        MD5

        5ade13af5562d781ed7c2125b798937b

        SHA1

        4c8e9e941bd9a7beb5b67c224a85bb82b501fed8

        SHA256

        1d05661d8c7a296602f66a8aac7cb16115354a313fc2019088e5ba92c29f3c40

        SHA512

        f07e3966cf2e5f0a098e9b76ee6519f1ea473053736d02c872ec0caece31a51b324a2cf239b7a89859e9425e3f046451074468ba21ffb4efec1c68667eaeab20

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

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/716-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/716-2-0x00000000036A0000-0x000000000370C000-memory.dmp

        Filesize

        432KB

      • memory/716-19-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/716-33-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/716-32-0x00000000036A0000-0x000000000370C000-memory.dmp

        Filesize

        432KB

      • memory/716-31-0x0000000000400000-0x0000000001A32000-memory.dmp

        Filesize

        22.2MB

      • memory/716-1-0x0000000001B30000-0x0000000001C30000-memory.dmp

        Filesize

        1024KB

      • memory/1368-109-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1368-96-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3728-114-0x00000212E5420000-0x00000212E5434000-memory.dmp

        Filesize

        80KB

      • memory/3728-122-0x00000212E54D0000-0x00000212E54DA000-memory.dmp

        Filesize

        40KB

      • memory/3728-139-0x00000212EAD70000-0x00000212EAD8E000-memory.dmp

        Filesize

        120KB

      • memory/3728-110-0x00000212C6670000-0x00000212C9F68000-memory.dmp

        Filesize

        57.0MB

      • memory/3728-111-0x00000212E5610000-0x00000212E5720000-memory.dmp

        Filesize

        1.1MB

      • memory/3728-113-0x00000212E5430000-0x00000212E543C000-memory.dmp

        Filesize

        48KB

      • memory/3728-112-0x00000212E5410000-0x00000212E5420000-memory.dmp

        Filesize

        64KB

      • memory/3728-138-0x00000212EADE0000-0x00000212EAE02000-memory.dmp

        Filesize

        136KB

      • memory/3728-115-0x00000212E5490000-0x00000212E54B4000-memory.dmp

        Filesize

        144KB

      • memory/3728-116-0x00000212E54C0000-0x00000212E54CA000-memory.dmp

        Filesize

        40KB

      • memory/3728-117-0x00000212E5860000-0x00000212E588A000-memory.dmp

        Filesize

        168KB

      • memory/3728-118-0x00000212E5890000-0x00000212E5942000-memory.dmp

        Filesize

        712KB

      • memory/3728-120-0x00000212E59C0000-0x00000212E5A22000-memory.dmp

        Filesize

        392KB

      • memory/3728-119-0x00000212E5940000-0x00000212E59BA000-memory.dmp

        Filesize

        488KB

      • memory/3728-121-0x00000212E5AA0000-0x00000212E5B16000-memory.dmp

        Filesize

        472KB

      • memory/3728-136-0x00000212EAD90000-0x00000212EADE0000-memory.dmp

        Filesize

        320KB

      • memory/3728-126-0x00000212E5B20000-0x00000212E5E20000-memory.dmp

        Filesize

        3.0MB

      • memory/3728-128-0x00000212EA500000-0x00000212EA508000-memory.dmp

        Filesize

        32KB

      • memory/3728-130-0x00000212E9E10000-0x00000212E9E1E000-memory.dmp

        Filesize

        56KB

      • memory/3728-129-0x00000212E9E40000-0x00000212E9E78000-memory.dmp

        Filesize

        224KB

      • memory/3728-131-0x00000212E9EB0000-0x00000212E9EBA000-memory.dmp

        Filesize

        40KB

      • memory/3728-132-0x00000212EAFC0000-0x00000212EAFE2000-memory.dmp

        Filesize

        136KB

      • memory/3728-133-0x00000212EB510000-0x00000212EBA38000-memory.dmp

        Filesize

        5.2MB

      • memory/3728-137-0x00000212EAD20000-0x00000212EAD2C000-memory.dmp

        Filesize

        48KB

      • memory/3968-108-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/3968-38-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/3968-39-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3968-15-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/3968-14-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/3968-164-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/3968-13-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB

      • memory/3968-178-0x0000000000400000-0x0000000001A0F000-memory.dmp

        Filesize

        22.1MB