Analysis

  • max time kernel
    123s
  • max time network
    128s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-05-2024 04:47

General

  • Target

    d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03.exe

  • Size

    416KB

  • MD5

    0251b972016cb69c049602a3d2aa3ff7

  • SHA1

    24847d133682d9d820dc8163019359927b6d71c2

  • SHA256

    d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03

  • SHA512

    523e359293557144d8c4dc09a6196e4eae5cfa9d11bd8d1353ca8dc347415f019436505fb72e0a5f0332e3ea24fcb97440fce1f64ea0d7ab868d6fd81eb9f77d

  • SSDEEP

    6144:EkIIKkd5F7LcRmt5tuGEBQ4ZHXbA/3TntkIKcqFWWgfLR8tai6:E3DkzF7gmt5tuPBQ6LO3btbKnuLWtf6

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
  • 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 1 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\d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03.exe
    "C:\Users\Admin\AppData\Local\Temp\d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Users\Admin\AppData\Local\Temp\u3ws.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ws.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3012
    • C:\Users\Admin\AppData\Local\Temp\u3ws.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ws.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2052
      • 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:3008
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 1164
      2⤵
      • Program crash
      PID:2452
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5068 -ip 5068
    1⤵
      PID:4360

    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\u3ws.0.exe

      Filesize

      275KB

      MD5

      31c1bdc2c9075e8c2eab9353c41c117f

      SHA1

      ab28fb009dc8c2fa244c773760109e38711b1025

      SHA256

      4e08b9b37494a1917d2ab809fff59b3a45673a80d25587e51c8749331bb56233

      SHA512

      78b995611e33b441e9ebaeecbbce3ec96bbfcac7f71bd0f639ab1e3394900be5c80893dfc8957b696609eca7ce1933d58f026c7be389795f0dcc72ad3fc35593

    • C:\Users\Admin\AppData\Local\Temp\u3ws.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/2052-141-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/2052-130-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/3008-158-0x00000165EE6A0000-0x00000165EE9A0000-memory.dmp

      Filesize

      3.0MB

    • memory/3008-162-0x00000165F2A00000-0x00000165F2A0E000-memory.dmp

      Filesize

      56KB

    • memory/3008-173-0x00000165F3120000-0x00000165F313E000-memory.dmp

      Filesize

      120KB

    • memory/3008-170-0x00000165F3190000-0x00000165F31B2000-memory.dmp

      Filesize

      136KB

    • memory/3008-169-0x00000165F30D0000-0x00000165F30DC000-memory.dmp

      Filesize

      48KB

    • memory/3008-168-0x00000165F3140000-0x00000165F3190000-memory.dmp

      Filesize

      320KB

    • memory/3008-165-0x00000165F38C0000-0x00000165F3DE8000-memory.dmp

      Filesize

      5.2MB

    • memory/3008-164-0x00000165F3370000-0x00000165F3392000-memory.dmp

      Filesize

      136KB

    • memory/3008-163-0x00000165F30C0000-0x00000165F30CA000-memory.dmp

      Filesize

      40KB

    • memory/3008-161-0x00000165F2A30000-0x00000165F2A68000-memory.dmp

      Filesize

      224KB

    • memory/3008-142-0x00000165E80C0000-0x00000165EB9B8000-memory.dmp

      Filesize

      57.0MB

    • memory/3008-143-0x00000165EE260000-0x00000165EE370000-memory.dmp

      Filesize

      1.1MB

    • memory/3008-144-0x00000165EBF00000-0x00000165EBF10000-memory.dmp

      Filesize

      64KB

    • memory/3008-145-0x00000165ED7E0000-0x00000165ED7EC000-memory.dmp

      Filesize

      48KB

    • memory/3008-146-0x00000165ED7D0000-0x00000165ED7E4000-memory.dmp

      Filesize

      80KB

    • memory/3008-147-0x00000165EE010000-0x00000165EE034000-memory.dmp

      Filesize

      144KB

    • memory/3008-148-0x00000165EE040000-0x00000165EE04A000-memory.dmp

      Filesize

      40KB

    • memory/3008-149-0x00000165EE160000-0x00000165EE18A000-memory.dmp

      Filesize

      168KB

    • memory/3008-150-0x00000165EE190000-0x00000165EE242000-memory.dmp

      Filesize

      712KB

    • memory/3008-151-0x00000165EE4C0000-0x00000165EE53A000-memory.dmp

      Filesize

      488KB

    • memory/3008-152-0x00000165EE540000-0x00000165EE5A2000-memory.dmp

      Filesize

      392KB

    • memory/3008-153-0x00000165EE620000-0x00000165EE696000-memory.dmp

      Filesize

      472KB

    • memory/3008-154-0x00000165EBE30000-0x00000165EBE3A000-memory.dmp

      Filesize

      40KB

    • memory/3008-160-0x00000165F2AB0000-0x00000165F2AB8000-memory.dmp

      Filesize

      32KB

    • memory/3012-128-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3012-16-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3012-17-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3012-28-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/3012-172-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/5068-1-0x0000000001CF0000-0x0000000001DF0000-memory.dmp

      Filesize

      1024KB

    • memory/5068-67-0x0000000003790000-0x00000000037FC000-memory.dmp

      Filesize

      432KB

    • memory/5068-2-0x0000000003790000-0x00000000037FC000-memory.dmp

      Filesize

      432KB

    • memory/5068-3-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/5068-65-0x0000000000400000-0x0000000001A32000-memory.dmp

      Filesize

      22.2MB

    • memory/5068-66-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB