Analysis

  • max time kernel
    147s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 12:59

General

  • Target

    92987ab05559a4726c0f828d3734a1abf21c1ed7d882bd1974bccba82d4a9a4a.exe

  • Size

    372KB

  • MD5

    227233ef32f5c368b4f4727121033701

  • SHA1

    ad7d3be13667a71bad7fe85858a5933909e30e6b

  • SHA256

    92987ab05559a4726c0f828d3734a1abf21c1ed7d882bd1974bccba82d4a9a4a

  • SHA512

    b8bc7901587ed4af9ba29df1da7f7bdb46a3df4e50b937433f0fc936d37253232a565080d9c151736e015ff6fbd68592a0584c4c02fe266cc38d71bd73ef8e98

  • SSDEEP

    6144:pGPxzYVfryibS0RMb2oP6jZRDu82So+jO8PdCkniwVUBh0V+VtdQT6lXo:pGPx0zzb9RMbP6jZhGSo+jOpiXI2V+VM

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 23 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\92987ab05559a4726c0f828d3734a1abf21c1ed7d882bd1974bccba82d4a9a4a.exe
    "C:\Users\Admin\AppData\Local\Temp\92987ab05559a4726c0f828d3734a1abf21c1ed7d882bd1974bccba82d4a9a4a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3960
    • C:\Users\Admin\AppData\Local\Temp\u320.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u320.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3376
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3376 -s 2364
        3⤵
        • Program crash
        PID:5076
    • C:\Users\Admin\AppData\Local\Temp\u320.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u320.1.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:2580
      • 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:2060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3960 -s 1568
      2⤵
      • Program crash
      PID:8
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3960 -ip 3960
    1⤵
      PID:4812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3376 -ip 3376
      1⤵
        PID:1364

      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

        6511f0d9a2e494063150f1678bc07614

        SHA1

        cbb16318f15fc78f9a224c5a4e653833551ef65f

        SHA256

        4f5ed60d36c82c6e43f1a3abeea6480384785be84b6707d6a0903e1dd3416ec0

        SHA512

        6e2517f3d654be39a393cfb71255c2b5fe93c63278a786760116da54f2db093367258994c6ee35081b1814fcb1afa975100402fa495c430b79fd98318bb8395c

      • C:\Users\Admin\AppData\Local\Temp\u320.0.exe

        Filesize

        231KB

        MD5

        8d1595054640e63c3ccc451b1454af73

        SHA1

        d3e67396b4afd81aeb7bf463e5c9dc654169fd7e

        SHA256

        b006c572d41bca024db5423a3ed281068ac751704ecfb558ec7866341559b628

        SHA512

        35d5b8ba33f1526148cf6c3e03b7e9c26738d596522ac923dd747a74eaeace0ef872b3ee69689ad110d5ffb4018489c000819e7862e72f6738369c745ccd3b76

      • C:\Users\Admin\AppData\Local\Temp\u320.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2060-145-0x00000273F22D0000-0x00000273F22DA000-memory.dmp

        Filesize

        40KB

      • memory/2060-146-0x00000273F22F0000-0x00000273F2352000-memory.dmp

        Filesize

        392KB

      • memory/2060-157-0x00000273EC5C0000-0x00000273EC6DF000-memory.dmp

        Filesize

        1.1MB

      • memory/2060-156-0x00000273EC4C0000-0x00000273EC55A000-memory.dmp

        Filesize

        616KB

      • memory/2060-153-0x00000273F20B0000-0x00000273F20CE000-memory.dmp

        Filesize

        120KB

      • memory/2060-152-0x00000273F2150000-0x00000273F21C6000-memory.dmp

        Filesize

        472KB

      • memory/2060-151-0x00000273F2070000-0x00000273F207C000-memory.dmp

        Filesize

        48KB

      • memory/2060-148-0x00000273F2880000-0x00000273F2DA8000-memory.dmp

        Filesize

        5.2MB

      • memory/2060-147-0x00000273F2050000-0x00000273F2072000-memory.dmp

        Filesize

        136KB

      • memory/2060-144-0x00000273F1150000-0x00000273F1158000-memory.dmp

        Filesize

        32KB

      • memory/2060-143-0x00000273F1130000-0x00000273F113E000-memory.dmp

        Filesize

        56KB

      • memory/2060-142-0x00000273F1160000-0x00000273F1198000-memory.dmp

        Filesize

        224KB

      • memory/2060-141-0x00000273F1820000-0x00000273F1828000-memory.dmp

        Filesize

        32KB

      • memory/2060-139-0x00000273ECDE0000-0x00000273ED0E0000-memory.dmp

        Filesize

        3.0MB

      • memory/2060-135-0x00000273EC5A0000-0x00000273EC5AA000-memory.dmp

        Filesize

        40KB

      • memory/2060-123-0x00000273E67D0000-0x00000273EA004000-memory.dmp

        Filesize

        56.2MB

      • memory/2060-134-0x00000273ECA00000-0x00000273ECA22000-memory.dmp

        Filesize

        136KB

      • memory/2060-125-0x00000273ECB40000-0x00000273ECC4A000-memory.dmp

        Filesize

        1.0MB

      • memory/2060-126-0x00000273EBC20000-0x00000273EBC30000-memory.dmp

        Filesize

        64KB

      • memory/2060-127-0x00000273EBC80000-0x00000273EBC8C000-memory.dmp

        Filesize

        48KB

      • memory/2060-128-0x00000273EBC30000-0x00000273EBC44000-memory.dmp

        Filesize

        80KB

      • memory/2060-129-0x00000273EC560000-0x00000273EC584000-memory.dmp

        Filesize

        144KB

      • memory/2060-130-0x00000273EC590000-0x00000273EC59A000-memory.dmp

        Filesize

        40KB

      • memory/2060-131-0x00000273EC7E0000-0x00000273EC80A000-memory.dmp

        Filesize

        168KB

      • memory/2060-132-0x00000273EC920000-0x00000273EC9D2000-memory.dmp

        Filesize

        712KB

      • memory/2060-133-0x00000273ECD90000-0x00000273ECDE0000-memory.dmp

        Filesize

        320KB

      • memory/2580-122-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2580-116-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3376-124-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/3376-194-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/3376-103-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/3376-52-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3376-19-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/3376-20-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/3376-21-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/3376-23-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/3960-7-0x00000000041E0000-0x000000000424C000-memory.dmp

        Filesize

        432KB

      • memory/3960-51-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3960-8-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3960-1-0x0000000002670000-0x0000000002770000-memory.dmp

        Filesize

        1024KB

      • memory/3960-46-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/3960-18-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/3960-4-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/3960-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3960-2-0x00000000041E0000-0x000000000424C000-memory.dmp

        Filesize

        432KB

      • memory/3960-6-0x0000000002670000-0x0000000002770000-memory.dmp

        Filesize

        1024KB