Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09-05-2024 00:14

General

  • Target

    ecea04acbe0a9d3c34e25dce92339db5ebc4006ea461ea1b44cbcbeda0e74af2.exe

  • Size

    364KB

  • MD5

    6adfa7bcac8caec6d3022645fe7a33a5

  • SHA1

    e04fb84ac0ad062e04a2b5478b0cc44225744aef

  • SHA256

    ecea04acbe0a9d3c34e25dce92339db5ebc4006ea461ea1b44cbcbeda0e74af2

  • SHA512

    b1c61fc4421491f3986858f9f97bee0ac0346f3c283df47f9d32532f120c26aee87051525bdc97383ebe10de3d4bf7b960e11f28d44cdd7230386aacad1fd33c

  • SSDEEP

    6144:aEToWW+sKejNKsTbTpfSl2JyRVc6TI2DNJeTNPcOlE/r1EHSRKYTpWF:awot+LKwy/pfSl2Jy7fTPNopJya6tpWF

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 21 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\ecea04acbe0a9d3c34e25dce92339db5ebc4006ea461ea1b44cbcbeda0e74af2.exe
    "C:\Users\Admin\AppData\Local\Temp\ecea04acbe0a9d3c34e25dce92339db5ebc4006ea461ea1b44cbcbeda0e74af2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4676
    • C:\Users\Admin\AppData\Local\Temp\u3lw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3lw.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1864
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 1388
        3⤵
        • Program crash
        PID:3340
    • C:\Users\Admin\AppData\Local\Temp\u3lw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3lw.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:5112
      • 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:1304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 1176
      2⤵
      • Program crash
      PID:2096
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4676 -ip 4676
    1⤵
      PID:4020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1864 -ip 1864
      1⤵
        PID:2220

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\u3lw.0.exe

        Filesize

        223KB

        MD5

        816cbc57fc20eb01645497ed35bdeb19

        SHA1

        3222b725c5031a12b310ef8c1b8bb120b345c80e

        SHA256

        c15c3a1a771770d1f3a838cdb6d0fcffea562e42d118b37087dd6022fff13c53

        SHA512

        2bf23ac407844682107c68705e0ac072d7a8767f0c9a8c2bb913cc394e6c85bd22a7024c5253130f4a5b26a083e9518f2d4f21b775da6d2812ab808587aa399e

      • C:\Users\Admin\AppData\Local\Temp\u3lw.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1304-87-0x0000012F23590000-0x0000012F235F2000-memory.dmp

        Filesize

        392KB

      • memory/1304-68-0x0000012F1E1A0000-0x0000012F1E1AC000-memory.dmp

        Filesize

        48KB

      • memory/1304-74-0x0000012F1E810000-0x0000012F1E860000-memory.dmp

        Filesize

        320KB

      • memory/1304-94-0x0000012F23330000-0x0000012F2334E000-memory.dmp

        Filesize

        120KB

      • memory/1304-93-0x0000012F233D0000-0x0000012F23446000-memory.dmp

        Filesize

        472KB

      • memory/1304-92-0x0000012F232F0000-0x0000012F232FC000-memory.dmp

        Filesize

        48KB

      • memory/1304-89-0x0000012F23B40000-0x0000012F24068000-memory.dmp

        Filesize

        5.2MB

      • memory/1304-86-0x0000012F23570000-0x0000012F2357A000-memory.dmp

        Filesize

        40KB

      • memory/1304-71-0x0000012F1E6A0000-0x0000012F1E6AA000-memory.dmp

        Filesize

        40KB

      • memory/1304-88-0x0000012F235F0000-0x0000012F23612000-memory.dmp

        Filesize

        136KB

      • memory/1304-65-0x0000012F00470000-0x0000012F03CA4000-memory.dmp

        Filesize

        56.2MB

      • memory/1304-84-0x0000012F22BD0000-0x0000012F22BDE000-memory.dmp

        Filesize

        56KB

      • memory/1304-70-0x0000012F1E520000-0x0000012F1E544000-memory.dmp

        Filesize

        144KB

      • memory/1304-69-0x0000012F1E190000-0x0000012F1E1A4000-memory.dmp

        Filesize

        80KB

      • memory/1304-67-0x0000012F05930000-0x0000012F05940000-memory.dmp

        Filesize

        64KB

      • memory/1304-66-0x0000012F1E3D0000-0x0000012F1E4DA000-memory.dmp

        Filesize

        1.0MB

      • memory/1304-73-0x0000012F1E700000-0x0000012F1E7B2000-memory.dmp

        Filesize

        712KB

      • memory/1304-72-0x0000012F1E6C0000-0x0000012F1E6EA000-memory.dmp

        Filesize

        168KB

      • memory/1304-83-0x0000012F22C00000-0x0000012F22C38000-memory.dmp

        Filesize

        224KB

      • memory/1304-75-0x0000012F1E7E0000-0x0000012F1E802000-memory.dmp

        Filesize

        136KB

      • memory/1304-85-0x0000012F22BF0000-0x0000012F22BF8000-memory.dmp

        Filesize

        32KB

      • memory/1304-76-0x0000012F05910000-0x0000012F0591A000-memory.dmp

        Filesize

        40KB

      • memory/1304-80-0x0000012F1E860000-0x0000012F1EB60000-memory.dmp

        Filesize

        3.0MB

      • memory/1304-82-0x0000012F232C0000-0x0000012F232C8000-memory.dmp

        Filesize

        32KB

      • memory/1864-102-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/1864-14-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/1864-104-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/1864-13-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/1864-100-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/1864-97-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/4676-1-0x0000000002800000-0x0000000002900000-memory.dmp

        Filesize

        1024KB

      • memory/4676-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4676-15-0x0000000000400000-0x0000000002597000-memory.dmp

        Filesize

        33.6MB

      • memory/4676-35-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4676-34-0x0000000000400000-0x0000000002597000-memory.dmp

        Filesize

        33.6MB

      • memory/4676-2-0x00000000042E0000-0x000000000434C000-memory.dmp

        Filesize

        432KB

      • memory/5112-64-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/5112-61-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB