Analysis

  • max time kernel
    134s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2024 10:25

General

  • Target

    eab5f89ba4c54258a18703ea021b8a6ae59d4d2fe919d462edd4f1b058288e6d.exe

  • Size

    368KB

  • MD5

    c0fca742b5c3e22880408c9acf310852

  • SHA1

    e86c87a50d159791f47eb9591ded0dd424b226a2

  • SHA256

    eab5f89ba4c54258a18703ea021b8a6ae59d4d2fe919d462edd4f1b058288e6d

  • SHA512

    4d6af7613b719be91c4a4cf142373554c0524ea2967e0ae6cdcbba34cdf87cf25225e44b1276ba183653ca6344c3bed32045fcf9a4c15c4a1718fe06a3e0a387

  • SSDEEP

    6144:FelyjzIpb2xE5BNqj+DYvjZask87WlizIwYYozY/TZ4tjF:YlyjzIpbyE6yDYFask87Oi9Z4tjF

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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 26 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\eab5f89ba4c54258a18703ea021b8a6ae59d4d2fe919d462edd4f1b058288e6d.exe
    "C:\Users\Admin\AppData\Local\Temp\eab5f89ba4c54258a18703ea021b8a6ae59d4d2fe919d462edd4f1b058288e6d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Users\Admin\AppData\Local\Temp\u1ow.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1ow.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1304
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 1308
        3⤵
        • Program crash
        PID:984
    • C:\Users\Admin\AppData\Local\Temp\u1ow.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1ow.1.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3280
      • 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:4388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 1148
      2⤵
      • Program crash
      PID:1764
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2192 -ip 2192
    1⤵
      PID:516
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1304 -ip 1304
      1⤵
        PID:1656

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\u1ow.0.exe

        Filesize

        226KB

        MD5

        8cb22c6d983d9e4c3d48df67207e888f

        SHA1

        a2ddf20c0854f12fa40802d9b9df5fb6ee287089

        SHA256

        feb7155e62062e6f3f7ab92c1702b36315a1aebad706741d939bde25de43002d

        SHA512

        5ae36d56e576ccdbefc2a7ab151eb72f5e6aaf0b6e0ae72eb58e9073e2a05cc485046865e1a9764acd2cc18ba69f844cb27b3deeba8a5baac02a8a13a7ba20ea

      • C:\Users\Admin\AppData\Local\Temp\u1ow.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1304-51-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/1304-96-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/1304-100-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/1304-13-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/1304-14-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/1304-102-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/1304-104-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/2192-30-0x00000000036C0000-0x000000000372C000-memory.dmp

        Filesize

        432KB

      • memory/2192-29-0x0000000000400000-0x0000000001A26000-memory.dmp

        Filesize

        22.1MB

      • memory/2192-2-0x00000000036C0000-0x000000000372C000-memory.dmp

        Filesize

        432KB

      • memory/2192-31-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2192-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2192-1-0x0000000001D20000-0x0000000001E20000-memory.dmp

        Filesize

        1024KB

      • memory/3280-52-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3280-64-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4388-73-0x000001526A8D0000-0x000001526A8FA000-memory.dmp

        Filesize

        168KB

      • memory/4388-85-0x0000015270180000-0x000001527018E000-memory.dmp

        Filesize

        56KB

      • memory/4388-72-0x000001526A120000-0x000001526A12A000-memory.dmp

        Filesize

        40KB

      • memory/4388-70-0x000001526A150000-0x000001526A164000-memory.dmp

        Filesize

        80KB

      • memory/4388-74-0x000001526BAB0000-0x000001526BB62000-memory.dmp

        Filesize

        712KB

      • memory/4388-75-0x000001526BE30000-0x000001526BE80000-memory.dmp

        Filesize

        320KB

      • memory/4388-76-0x000001526BDE0000-0x000001526BE02000-memory.dmp

        Filesize

        136KB

      • memory/4388-77-0x000001526A130000-0x000001526A13A000-memory.dmp

        Filesize

        40KB

      • memory/4388-81-0x000001526BE80000-0x000001526C180000-memory.dmp

        Filesize

        3.0MB

      • memory/4388-83-0x000001526BE20000-0x000001526BE28000-memory.dmp

        Filesize

        32KB

      • memory/4388-84-0x00000152701B0000-0x00000152701E8000-memory.dmp

        Filesize

        224KB

      • memory/4388-71-0x000001526A890000-0x000001526A8B4000-memory.dmp

        Filesize

        144KB

      • memory/4388-86-0x00000152701A0000-0x00000152701A8000-memory.dmp

        Filesize

        32KB

      • memory/4388-87-0x0000015271310000-0x000001527131A000-memory.dmp

        Filesize

        40KB

      • memory/4388-88-0x0000015271330000-0x0000015271392000-memory.dmp

        Filesize

        392KB

      • memory/4388-89-0x0000015271390000-0x00000152713B2000-memory.dmp

        Filesize

        136KB

      • memory/4388-90-0x00000152718E0000-0x0000015271E08000-memory.dmp

        Filesize

        5.2MB

      • memory/4388-93-0x0000015271090000-0x000001527109C000-memory.dmp

        Filesize

        48KB

      • memory/4388-94-0x0000015271170000-0x00000152711E6000-memory.dmp

        Filesize

        472KB

      • memory/4388-95-0x00000152710D0000-0x00000152710EE000-memory.dmp

        Filesize

        120KB

      • memory/4388-68-0x000001526A140000-0x000001526A150000-memory.dmp

        Filesize

        64KB

      • memory/4388-69-0x000001526A160000-0x000001526A16C000-memory.dmp

        Filesize

        48KB

      • memory/4388-67-0x000001526BB90000-0x000001526BC9A000-memory.dmp

        Filesize

        1.0MB

      • memory/4388-65-0x0000015264B30000-0x0000015268364000-memory.dmp

        Filesize

        56.2MB