Analysis

  • max time kernel
    125s
  • max time network
    129s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    08/05/2024, 10:03

General

  • Target

    23625778e2d4950dbdddec627bfe03e1a9fa4a474b340e4f4ba78125d8a7b7cf.exe

  • Size

    368KB

  • MD5

    2e7a0df97596447760f7c1c937992f89

  • SHA1

    e5ae3ae5cde58bc012d8e8be0ceaf6bdae48911b

  • SHA256

    23625778e2d4950dbdddec627bfe03e1a9fa4a474b340e4f4ba78125d8a7b7cf

  • SHA512

    303f7d76a2cb6fef7cd444dd20b6fa0d03407893b3f5fce752c14cec04fa66ddc0a3bad57aa83c1f4e2f33b333bcb8c071b0972319f582321e7f097a4bb540b7

  • SSDEEP

    6144:FelyjzIpb2xE5BNqj+DYvjZask87WlizIwYYozY/TZ4tjI:YlyjzIpbyE6yDYFask87Oi9Z4tjI

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
  • 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\23625778e2d4950dbdddec627bfe03e1a9fa4a474b340e4f4ba78125d8a7b7cf.exe
    "C:\Users\Admin\AppData\Local\Temp\23625778e2d4950dbdddec627bfe03e1a9fa4a474b340e4f4ba78125d8a7b7cf.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3556
    • C:\Users\Admin\AppData\Local\Temp\u2qs.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2qs.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4240
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4240 -s 1176
        3⤵
        • Program crash
        PID:1172
    • C:\Users\Admin\AppData\Local\Temp\u2qs.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2qs.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1052
      • 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:3180
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3556 -s 996
      2⤵
      • Program crash
      PID:428
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3556 -ip 3556
    1⤵
      PID:2224
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4240 -ip 4240
      1⤵
        PID:4012

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        3KB

        MD5

        2a77171ba37642c64016dd581cdc2165

        SHA1

        8ab7d5db46d3662d9d415a2beaaa920a6419e23a

        SHA256

        acf6a213608e11fe106c46679fb79f1d6b2a71f165c710694f9bb2a84450867a

        SHA512

        c5c3302bc8060cdc9dfd1050678e14334a34ae3eeda1c9fa945e8040644003f188ebb1a3ea15812d8ee2b75b07d6396fdefd9f8b9ca3a0042467a52ae2276221

      • C:\Users\Admin\AppData\Local\Temp\u2qs.0.exe

        Filesize

        226KB

        MD5

        8cb22c6d983d9e4c3d48df67207e888f

        SHA1

        a2ddf20c0854f12fa40802d9b9df5fb6ee287089

        SHA256

        feb7155e62062e6f3f7ab92c1702b36315a1aebad706741d939bde25de43002d

        SHA512

        5ae36d56e576ccdbefc2a7ab151eb72f5e6aaf0b6e0ae72eb58e9073e2a05cc485046865e1a9764acd2cc18ba69f844cb27b3deeba8a5baac02a8a13a7ba20ea

      • C:\Users\Admin\AppData\Local\Temp\u2qs.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1052-63-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1052-51-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3180-85-0x00000181E8B80000-0x00000181E8B8A000-memory.dmp

        Filesize

        40KB

      • memory/3180-73-0x00000181E3E10000-0x00000181E3E60000-memory.dmp

        Filesize

        320KB

      • memory/3180-94-0x00000181E8960000-0x00000181E897E000-memory.dmp

        Filesize

        120KB

      • memory/3180-92-0x00000181E8A00000-0x00000181E8A76000-memory.dmp

        Filesize

        472KB

      • memory/3180-91-0x00000181E8920000-0x00000181E892C000-memory.dmp

        Filesize

        48KB

      • memory/3180-88-0x00000181E9130000-0x00000181E9658000-memory.dmp

        Filesize

        5.2MB

      • memory/3180-87-0x00000181E8900000-0x00000181E8922000-memory.dmp

        Filesize

        136KB

      • memory/3180-86-0x00000181E8BA0000-0x00000181E8C02000-memory.dmp

        Filesize

        392KB

      • memory/3180-64-0x00000181C5A80000-0x00000181C92B4000-memory.dmp

        Filesize

        56.2MB

      • memory/3180-65-0x00000181E39D0000-0x00000181E3ADA000-memory.dmp

        Filesize

        1.0MB

      • memory/3180-66-0x00000181CB0A0000-0x00000181CB0B0000-memory.dmp

        Filesize

        64KB

      • memory/3180-67-0x00000181CB0C0000-0x00000181CB0CC000-memory.dmp

        Filesize

        48KB

      • memory/3180-68-0x00000181CB0B0000-0x00000181CB0C4000-memory.dmp

        Filesize

        80KB

      • memory/3180-69-0x00000181E38A0000-0x00000181E38C4000-memory.dmp

        Filesize

        144KB

      • memory/3180-70-0x00000181E3B30000-0x00000181E3B3A000-memory.dmp

        Filesize

        40KB

      • memory/3180-71-0x00000181E3CE0000-0x00000181E3D0A000-memory.dmp

        Filesize

        168KB

      • memory/3180-72-0x00000181E3D10000-0x00000181E3DC2000-memory.dmp

        Filesize

        712KB

      • memory/3180-84-0x00000181E8200000-0x00000181E8208000-memory.dmp

        Filesize

        32KB

      • memory/3180-74-0x00000181E3E60000-0x00000181E3E82000-memory.dmp

        Filesize

        136KB

      • memory/3180-75-0x00000181E3B40000-0x00000181E3B4A000-memory.dmp

        Filesize

        40KB

      • memory/3180-79-0x00000181E3E90000-0x00000181E4190000-memory.dmp

        Filesize

        3.0MB

      • memory/3180-81-0x00000181E88D0000-0x00000181E88D8000-memory.dmp

        Filesize

        32KB

      • memory/3180-82-0x00000181E8210000-0x00000181E8248000-memory.dmp

        Filesize

        224KB

      • memory/3180-83-0x00000181E81E0000-0x00000181E81EE000-memory.dmp

        Filesize

        56KB

      • memory/3556-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3556-2-0x0000000001CC0000-0x0000000001D2C000-memory.dmp

        Filesize

        432KB

      • memory/3556-1-0x0000000001D60000-0x0000000001E60000-memory.dmp

        Filesize

        1024KB

      • memory/3556-29-0x0000000000400000-0x0000000001A26000-memory.dmp

        Filesize

        22.1MB

      • memory/3556-30-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4240-14-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4240-50-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4240-13-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4240-96-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4240-99-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4240-101-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4240-103-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB