Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-05-2024 09:16

General

  • Target

    1933cc96d868b2f828079f50fc38bf5d3bba7394366a177ede4f2409ad7fd79e.exe

  • Size

    416KB

  • MD5

    b23dd99107bf4f153ff538aad13e2843

  • SHA1

    d440056bc2a643de694c503d0af03683406759a7

  • SHA256

    1933cc96d868b2f828079f50fc38bf5d3bba7394366a177ede4f2409ad7fd79e

  • SHA512

    2cb901af016e9b47b6674f6464eba15759c5605ab91228da622b9494eac58ec2ae6e40d1c126b424b049795c630f804042c92c72e2d5de1db0af9f5f24412c31

  • SSDEEP

    6144:Is39oglCbCdvUevlzUusNjv80uIGK87Veb4Ow93mKWLZmuMio:Is3+Ypvl5cv80FGKkOwStmuo

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 25 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\1933cc96d868b2f828079f50fc38bf5d3bba7394366a177ede4f2409ad7fd79e.exe
    "C:\Users\Admin\AppData\Local\Temp\1933cc96d868b2f828079f50fc38bf5d3bba7394366a177ede4f2409ad7fd79e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3452
    • C:\Users\Admin\AppData\Local\Temp\u2nw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2nw.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4420
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 2488
        3⤵
        • Program crash
        PID:4204
    • C:\Users\Admin\AppData\Local\Temp\u2nw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2nw.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2636
      • 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:3720
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3452 -s 1156
      2⤵
      • Program crash
      PID:4480
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3452 -ip 3452
    1⤵
      PID:4120
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4420 -ip 4420
      1⤵
        PID:3972

      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

        aa4a4a4103aae8b5aa60053437ec19e7

        SHA1

        073f838bab4b42d26d343cbe622d1a78f274c30d

        SHA256

        2be6515a6b2ac990f38ac5ca31305fb975cb11fceab84a62865bad87cb68444c

        SHA512

        6e5b14fa1a1d3f812b8d18591ba89318a13b2f9522be596d4bbbb2dbe78c4b3a06adb8f956e881aaf3233da343c001cdc575b9d2118b1766f0b56ffd1e3b9f83

      • C:\Users\Admin\AppData\Local\Temp\u2nw.0.exe

        Filesize

        274KB

        MD5

        16720a0516a6e23f11a66b0b8066e5a6

        SHA1

        edf8d8c0eead559891856cf4a962705620dcb10e

        SHA256

        949fb9d3d6ec5bb789ec5bef973e12f4500365137f4c8b2e285b3dc6e9ac88f2

        SHA512

        c49dc5ea54c32ae5c5ff29ab2b997b9c930e9ce7d86d52993afd17e9816e73556e1c1e57b4e27f1db99442b414ebf22adb9966f7cca3a401ca6c7f85e9d0002e

      • C:\Users\Admin\AppData\Local\Temp\u2nw.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2636-50-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2636-63-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3452-29-0x0000000004880000-0x00000000048EC000-memory.dmp

        Filesize

        432KB

      • memory/3452-30-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3452-27-0x0000000000400000-0x0000000002B25000-memory.dmp

        Filesize

        39.1MB

      • memory/3452-1-0x0000000002C30000-0x0000000002D30000-memory.dmp

        Filesize

        1024KB

      • memory/3452-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3452-2-0x0000000004880000-0x00000000048EC000-memory.dmp

        Filesize

        432KB

      • memory/3720-124-0x000001797BFC0000-0x000001797BFCA000-memory.dmp

        Filesize

        40KB

      • memory/3720-118-0x000001797B670000-0x000001797B6A8000-memory.dmp

        Filesize

        224KB

      • memory/3720-102-0x0000017974BD0000-0x0000017974BE0000-memory.dmp

        Filesize

        64KB

      • memory/3720-104-0x0000017974BE0000-0x0000017974BF4000-memory.dmp

        Filesize

        80KB

      • memory/3720-105-0x0000017976470000-0x0000017976494000-memory.dmp

        Filesize

        144KB

      • memory/3720-106-0x0000017976D80000-0x0000017976D8A000-memory.dmp

        Filesize

        40KB

      • memory/3720-108-0x0000017976EB0000-0x0000017976EDA000-memory.dmp

        Filesize

        168KB

      • memory/3720-107-0x00000179771C0000-0x0000017977272000-memory.dmp

        Filesize

        712KB

      • memory/3720-109-0x0000017977270000-0x00000179772C0000-memory.dmp

        Filesize

        320KB

      • memory/3720-110-0x0000017976F10000-0x0000017976F32000-memory.dmp

        Filesize

        136KB

      • memory/3720-111-0x0000017974BB0000-0x0000017974BBA000-memory.dmp

        Filesize

        40KB

      • memory/3720-115-0x00000179772C0000-0x00000179775C0000-memory.dmp

        Filesize

        3.0MB

      • memory/3720-117-0x000001797AF60000-0x000001797AF68000-memory.dmp

        Filesize

        32KB

      • memory/3720-103-0x0000017974BF0000-0x0000017974BFC000-memory.dmp

        Filesize

        48KB

      • memory/3720-119-0x000001797B630000-0x000001797B63E000-memory.dmp

        Filesize

        56KB

      • memory/3720-120-0x000001797B650000-0x000001797B658000-memory.dmp

        Filesize

        32KB

      • memory/3720-101-0x0000017976F60000-0x000001797706A000-memory.dmp

        Filesize

        1.0MB

      • memory/3720-125-0x000001797BFE0000-0x000001797C042000-memory.dmp

        Filesize

        392KB

      • memory/3720-126-0x000001797BD40000-0x000001797BD62000-memory.dmp

        Filesize

        136KB

      • memory/3720-127-0x000001797C570000-0x000001797CA98000-memory.dmp

        Filesize

        5.2MB

      • memory/3720-133-0x000001797BD60000-0x000001797BD6C000-memory.dmp

        Filesize

        48KB

      • memory/3720-134-0x000001797BE40000-0x000001797BEB6000-memory.dmp

        Filesize

        472KB

      • memory/3720-87-0x0000017970EC0000-0x00000179746F4000-memory.dmp

        Filesize

        56.2MB

      • memory/3720-159-0x000001797BDA0000-0x000001797BDBE000-memory.dmp

        Filesize

        120KB

      • memory/4420-158-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/4420-64-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4420-60-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/4420-174-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB