Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11/05/2024, 00:23

General

  • Target
    85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7.exe
  • Size 387KB
  • Sample240511-aphj7sdb49
  • SHA256 85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7
  • MD5 SHA1 SHA512 SSDEEP

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\85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7.exe
    "C:\Users\Admin\AppData\Local\Temp\85fff1ac1cab4d1900bb87d43e229105f59563eacc3ebccb625bae9d15a93cc7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\u11s.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u11s.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3932
    • C:\Users\Admin\AppData\Local\Temp\u11s.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u11s.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2044
      • 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:3388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 1572
      2⤵
      • Program crash
      PID:276
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1360 -ip 1360
    1⤵
      PID:4004

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          Are.docx

          • Path C:\ProgramData\Are.docx
          • Size 11KB
          • SHA256 5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
          • MD5 SHA1 SHA512 SSDEEP

          mozglue.dll

          • Path C:\ProgramData\mozglue.dll
          • Size 593KB
          • SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
          • MD5 SHA1 SHA512 SSDEEP

          nss3.dll

          • Path C:\ProgramData\nss3.dll
          • Size 2.0MB
          • SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
          • MD5 SHA1 SHA512 SSDEEP

          ioloDMLog.txt

          • Path C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt
          • Size 2KB
          • SHA256 669d9aa387d3652c12830f43779606b8ddf916b024cf2a1bd0f5bd4430e13228
          • MD5 SHA1 SHA512

          u11s.0.exe

          • Path C:\Users\Admin\AppData\Local\Temp\u11s.0.exe
          • Size 245KB
          • SHA256 e07d3383a78b7b05cd27cf2f569c6e93026e9f40dff4ccb8ec81efafa6b2b23f
          • MD5 SHA1 SHA512 SSDEEP

          u11s.1.exe

          • Path C:\Users\Admin\AppData\Local\Temp\u11s.1.exe
          • Size 4.6MB
          • SHA256 4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
          • MD5 SHA1 SHA512 SSDEEP

          memory/1360-27-0x0000000000400000-0x000000000046F000-memory.dmp

          memory/1360-26-0x0000000000400000-0x000000000259D000-memory.dmp

          memory/1360-1-0x00000000026D0000-0x00000000027D0000-memory.dmp

          memory/1360-2-0x00000000042C0000-0x000000000432C000-memory.dmp

          memory/1360-3-0x0000000000400000-0x000000000046F000-memory.dmp

          memory/2044-119-0x0000000000400000-0x00000000008AD000-memory.dmp

          memory/2044-131-0x0000000000400000-0x00000000008AD000-memory.dmp

          memory/3388-137-0x000002AC01AD0000-0x000002AC01AF4000-memory.dmp

          memory/3388-153-0x000002AC1ED20000-0x000002AC1ED2A000-memory.dmp

          memory/3388-132-0x000002AC79BA0000-0x000002AC7D3D4000-memory.dmp

          memory/3388-133-0x000002AC1A5E0000-0x000002AC1A6EA000-memory.dmp

          memory/3388-134-0x000002AC01A50000-0x000002AC01A60000-memory.dmp

          memory/3388-135-0x000002AC01A70000-0x000002AC01A7C000-memory.dmp

          memory/3388-136-0x000002AC01A60000-0x000002AC01A74000-memory.dmp

          memory/3388-163-0x000002AC1A420000-0x000002AC1A5D3000-memory.dmp

          memory/3388-138-0x000002AC01B00000-0x000002AC01B0A000-memory.dmp

          memory/3388-139-0x000002AC1A8B0000-0x000002AC1A962000-memory.dmp

          memory/3388-140-0x000002AC1A6F0000-0x000002AC1A71A000-memory.dmp

          memory/3388-141-0x000002AC7D810000-0x000002AC7D860000-memory.dmp

          memory/3388-142-0x000002AC7D7C0000-0x000002AC7D7E2000-memory.dmp

          memory/3388-143-0x000002AC01A20000-0x000002AC01A2A000-memory.dmp

          memory/3388-147-0x000002AC1A960000-0x000002AC1AC60000-memory.dmp

          memory/3388-149-0x000002AC7D780000-0x000002AC7D788000-memory.dmp

          memory/3388-150-0x000002AC7D8C0000-0x000002AC7D8F8000-memory.dmp

          memory/3388-151-0x000002AC7D790000-0x000002AC7D79E000-memory.dmp

          memory/3388-152-0x000002AC7D7A0000-0x000002AC7D7A8000-memory.dmp

          memory/3388-161-0x000002AC7D880000-0x000002AC7D89E000-memory.dmp

          memory/3388-154-0x000002AC1F620000-0x000002AC1F682000-memory.dmp

          memory/3388-155-0x000002AC1ED30000-0x000002AC1ED52000-memory.dmp

          memory/3388-156-0x000002AC1FBB0000-0x000002AC200D8000-memory.dmp

          memory/3388-159-0x000002AC1ED50000-0x000002AC1ED5C000-memory.dmp

          memory/3388-160-0x000002AC7D980000-0x000002AC7D9F6000-memory.dmp

          memory/3932-103-0x0000000000400000-0x0000000002579000-memory.dmp

          memory/3932-33-0x0000000061E00000-0x0000000061EF3000-memory.dmp