Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-05-2024 15:39

General

  • Target

    32992d344a5f66b5f436cb7b850c8bd137e8350ca03746ea0834f3b45c363f0a.exe

  • Size

    372KB

  • MD5

    d0302e85c21bada35c7b8e43f6320572

  • SHA1

    281c56c247cbb9ffa54e730b17736160af7923bb

  • SHA256

    32992d344a5f66b5f436cb7b850c8bd137e8350ca03746ea0834f3b45c363f0a

  • SHA512

    5616c53245deda6b928beba410fa84e6dc0e3f1d415ae16c7cb7c522ced09bde8227a90031e226388cd251927940c3d210b15f4108d1cb3aee8f69ae21df9ced

  • SSDEEP

    6144:2340bT53/l0SfFOzHlVTAThxgDxHZLdqUItnYNiL+oprkTmRAehzTtvc:2340N9FfFoHv2gDxyTAW+odkTmZtBc

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 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\32992d344a5f66b5f436cb7b850c8bd137e8350ca03746ea0834f3b45c363f0a.exe
    "C:\Users\Admin\AppData\Local\Temp\32992d344a5f66b5f436cb7b850c8bd137e8350ca03746ea0834f3b45c363f0a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4592
    • C:\Users\Admin\AppData\Local\Temp\u3jk.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3jk.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:5060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 2200
        3⤵
        • Program crash
        PID:2752
    • C:\Users\Admin\AppData\Local\Temp\u3jk.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3jk.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1252
      • 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:2748
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 708
      2⤵
      • Program crash
      PID:3972
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4592 -ip 4592
    1⤵
      PID:2900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 5060 -ip 5060
      1⤵
        PID:4896

      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\u3jk.0.exe

        Filesize

        231KB

        MD5

        8d1595054640e63c3ccc451b1454af73

        SHA1

        d3e67396b4afd81aeb7bf463e5c9dc654169fd7e

        SHA256

        b006c572d41bca024db5423a3ed281068ac751704ecfb558ec7866341559b628

        SHA512

        35d5b8ba33f1526148cf6c3e03b7e9c26738d596522ac923dd747a74eaeace0ef872b3ee69689ad110d5ffb4018489c000819e7862e72f6738369c745ccd3b76

      • C:\Users\Admin\AppData\Local\Temp\u3jk.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1252-126-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1252-116-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2748-148-0x000001AF1A2E0000-0x000001AF1A2EA000-memory.dmp

        Filesize

        40KB

      • memory/2748-138-0x000001AF7A750000-0x000001AF7A75A000-memory.dmp

        Filesize

        40KB

      • memory/2748-156-0x000001AF7F250000-0x000001AF7F26E000-memory.dmp

        Filesize

        120KB

      • memory/2748-155-0x000001AF7F730000-0x000001AF7F7A6000-memory.dmp

        Filesize

        472KB

      • memory/2748-154-0x000001AF1A330000-0x000001AF1A33C000-memory.dmp

        Filesize

        48KB

      • memory/2748-151-0x000001AF1AB40000-0x000001AF1B068000-memory.dmp

        Filesize

        5.2MB

      • memory/2748-127-0x000001AF76AA0000-0x000001AF7A2D4000-memory.dmp

        Filesize

        56.2MB

      • memory/2748-130-0x000001AF7BFC0000-0x000001AF7BFCC000-memory.dmp

        Filesize

        48KB

      • memory/2748-129-0x000001AF7BF90000-0x000001AF7BFA0000-memory.dmp

        Filesize

        64KB

      • memory/2748-128-0x000001AF7CB40000-0x000001AF7CC4A000-memory.dmp

        Filesize

        1.0MB

      • memory/2748-131-0x000001AF7BFA0000-0x000001AF7BFB4000-memory.dmp

        Filesize

        80KB

      • memory/2748-132-0x000001AF7CA10000-0x000001AF7CA34000-memory.dmp

        Filesize

        144KB

      • memory/2748-135-0x000001AF7CDA0000-0x000001AF7CE52000-memory.dmp

        Filesize

        712KB

      • memory/2748-134-0x000001AF7CA50000-0x000001AF7CA7A000-memory.dmp

        Filesize

        168KB

      • memory/2748-133-0x000001AF7CA30000-0x000001AF7CA3A000-memory.dmp

        Filesize

        40KB

      • memory/2748-136-0x000001AF7CE50000-0x000001AF7CEA0000-memory.dmp

        Filesize

        320KB

      • memory/2748-137-0x000001AF7CAF0000-0x000001AF7CB12000-memory.dmp

        Filesize

        136KB

      • memory/2748-149-0x000001AF1A5B0000-0x000001AF1A612000-memory.dmp

        Filesize

        392KB

      • memory/2748-142-0x000001AF7CEA0000-0x000001AF7D1A0000-memory.dmp

        Filesize

        3.0MB

      • memory/2748-144-0x000001AF7F1C0000-0x000001AF7F1C8000-memory.dmp

        Filesize

        32KB

      • memory/2748-146-0x000001AF7F1D0000-0x000001AF7F1DE000-memory.dmp

        Filesize

        56KB

      • memory/2748-147-0x000001AF7F1E0000-0x000001AF7F1E8000-memory.dmp

        Filesize

        32KB

      • memory/2748-145-0x000001AF7F210000-0x000001AF7F248000-memory.dmp

        Filesize

        224KB

      • memory/2748-150-0x000001AF1A300000-0x000001AF1A322000-memory.dmp

        Filesize

        136KB

      • memory/4592-1-0x00000000027A0000-0x00000000028A0000-memory.dmp

        Filesize

        1024KB

      • memory/4592-2-0x0000000004310000-0x000000000437C000-memory.dmp

        Filesize

        432KB

      • memory/4592-27-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4592-26-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/4592-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/5060-33-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/5060-113-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/5060-162-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/5060-171-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/5060-177-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB