Analysis

  • max time kernel
    147s
  • max time network
    125s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11-05-2024 21:16

General

  • Target

    5f71c275b208fed60abf07949c9ee1c3b937736d2108bd22a0bc573f9eeb0cb6.exe

  • Size

    386KB

  • MD5

    9483e9e0e34fa56d3ee1f4ab1d79f0d7

  • SHA1

    c192ad0730e31827ce449fa7bca9e4a4bc025242

  • SHA256

    5f71c275b208fed60abf07949c9ee1c3b937736d2108bd22a0bc573f9eeb0cb6

  • SHA512

    a883179f2d620e9f41633fc6f9938667cadcce8bc8542146feff7b8152144a95618b82f3eb134143ce233de7c05379f49744d188c8b5f8c6b9c7610e4dd94bca

  • SSDEEP

    6144:TcykrZfMtgEBXGx0Xy5gul0n4Qgf3ONjMMejZxxXx+0jTw3J:TcyktfW/tXZbgf3ONj7elxJw3J

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\5f71c275b208fed60abf07949c9ee1c3b937736d2108bd22a0bc573f9eeb0cb6.exe
    "C:\Users\Admin\AppData\Local\Temp\5f71c275b208fed60abf07949c9ee1c3b937736d2108bd22a0bc573f9eeb0cb6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Users\Admin\AppData\Local\Temp\u2v8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2v8.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3544
    • C:\Users\Admin\AppData\Local\Temp\u2v8.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2v8.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4520
      • 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:1968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3716 -s 976
      2⤵
      • Program crash
      PID:4104
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3716 -ip 3716
    1⤵
      PID:2244

    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\u2v8.0.exe

      Filesize

      245KB

      MD5

      d87a1f0a676a9119320c882b1e927e52

      SHA1

      f5d15211edc12d93b33c4ef54f16b3677c3c746c

      SHA256

      4eb215aa80ea20f514aa4815bc82f872bf7130391e21509aef3a29cb34d3a420

      SHA512

      a99e5cbb1d3d3a1b670479351be280367ebcf6913781bd205f4b301c4f52eb0c691a0a30b8b04714c26797a334b99eaa53b314e428baaada301fd39800d8c435

    • C:\Users\Admin\AppData\Local\Temp\u2v8.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/1968-160-0x00000232537B0000-0x00000232537E8000-memory.dmp

      Filesize

      224KB

    • memory/1968-141-0x0000023252F50000-0x0000023253002000-memory.dmp

      Filesize

      712KB

    • memory/1968-174-0x0000023252B30000-0x0000023252CE3000-memory.dmp

      Filesize

      1.7MB

    • memory/1968-172-0x0000023257470000-0x000002325748E000-memory.dmp

      Filesize

      120KB

    • memory/1968-171-0x0000023257BD0000-0x0000023257C46000-memory.dmp

      Filesize

      472KB

    • memory/1968-170-0x0000023253850000-0x000002325385C000-memory.dmp

      Filesize

      48KB

    • memory/1968-167-0x0000023257E00000-0x0000023258328000-memory.dmp

      Filesize

      5.2MB

    • memory/1968-165-0x00000232573D0000-0x0000023257432000-memory.dmp

      Filesize

      392KB

    • memory/1968-166-0x0000023257430000-0x0000023257452000-memory.dmp

      Filesize

      136KB

    • memory/1968-129-0x0000023234AF0000-0x0000023238324000-memory.dmp

      Filesize

      56.2MB

    • memory/1968-130-0x0000023252CF0000-0x0000023252DFA000-memory.dmp

      Filesize

      1.0MB

    • memory/1968-131-0x0000023238780000-0x0000023238790000-memory.dmp

      Filesize

      64KB

    • memory/1968-132-0x0000023252810000-0x000002325281C000-memory.dmp

      Filesize

      48KB

    • memory/1968-137-0x0000023252800000-0x0000023252814000-memory.dmp

      Filesize

      80KB

    • memory/1968-138-0x0000023252830000-0x0000023252854000-memory.dmp

      Filesize

      144KB

    • memory/1968-139-0x00000232529C0000-0x00000232529CA000-memory.dmp

      Filesize

      40KB

    • memory/1968-140-0x00000232529E0000-0x0000023252A0A000-memory.dmp

      Filesize

      168KB

    • memory/1968-164-0x0000023253830000-0x000002325383A000-memory.dmp

      Filesize

      40KB

    • memory/1968-142-0x0000023253050000-0x00000232530A0000-memory.dmp

      Filesize

      320KB

    • memory/1968-143-0x00000232530A0000-0x00000232530C2000-memory.dmp

      Filesize

      136KB

    • memory/1968-148-0x00000232387A0000-0x00000232387AA000-memory.dmp

      Filesize

      40KB

    • memory/1968-152-0x00000232530D0000-0x00000232533D0000-memory.dmp

      Filesize

      3.0MB

    • memory/1968-163-0x0000023253790000-0x0000023253798000-memory.dmp

      Filesize

      32KB

    • memory/1968-159-0x0000023253520000-0x0000023253528000-memory.dmp

      Filesize

      32KB

    • memory/1968-161-0x0000023253770000-0x000002325377E000-memory.dmp

      Filesize

      56KB

    • memory/3544-162-0x0000000000400000-0x0000000000795000-memory.dmp

      Filesize

      3.6MB

    • memory/3544-94-0x0000000000400000-0x0000000000795000-memory.dmp

      Filesize

      3.6MB

    • memory/3544-34-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/3716-1-0x0000000002870000-0x0000000002970000-memory.dmp

      Filesize

      1024KB

    • memory/3716-3-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3716-28-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3716-2-0x0000000004310000-0x000000000437C000-memory.dmp

      Filesize

      432KB

    • memory/3716-27-0x0000000000400000-0x000000000259D000-memory.dmp

      Filesize

      33.6MB

    • memory/4520-22-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/4520-111-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/4520-95-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB