Analysis

  • max time kernel
    138s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2024 13:11

General

  • Target

    e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c.exe

  • Size

    368KB

  • MD5

    119534718283e194af700b7dade74283

  • SHA1

    5dbbcaa5110eb06e04898788800ffca0fcb989d0

  • SHA256

    e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c

  • SHA512

    cb391155c6891870acd64ff62d9d5ec43980e24086b1913aec40f28dd17538aed33549cc9b9af0f425322d21deff28299474081290f5f87aeaf1183ba84fec25

  • SSDEEP

    6144:/jRhVhZVNlrECRfaajfnwdgcXlzbrp5nkaALQf4jTfea:lrLNrEWCazK3XFh5vALQUfea

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\e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c.exe
    "C:\Users\Admin\AppData\Local\Temp\e272a8a6cf9b6c19c701caedf5b2f4c50b205b52f45ef42121ec0806662d553c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4260
    • C:\Users\Admin\AppData\Local\Temp\u3ac.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ac.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4360
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4360 -s 1292
        3⤵
        • Program crash
        PID:4304
    • C:\Users\Admin\AppData\Local\Temp\u3ac.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ac.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:1636
      • 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:4480
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4260 -s 1012
      2⤵
      • Program crash
      PID:2784
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4260 -ip 4260
    1⤵
      PID:2180
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4360 -ip 4360
      1⤵
        PID:3916

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\u3ac.0.exe

        Filesize

        226KB

        MD5

        c4b38f17b16a0b545d989a5e7f192308

        SHA1

        7325ba75f76855f332e840d595cadc591ea220af

        SHA256

        45072f942cb27587d1815a9c079c066c85ac313fe1388fd61dd69c77bdc68b4b

        SHA512

        ca30aa925c6bec667fa4aceda9918d9e7c1ddee1fb7eded4ee266f6f6ae2d3e2fea7070049dc28540615832fc2e60e2821aabc839f468d446b44e082558ef041

      • C:\Users\Admin\AppData\Local\Temp\u3ac.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1636-67-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1636-53-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4260-30-0x0000000000400000-0x0000000001A26000-memory.dmp

        Filesize

        22.1MB

      • memory/4260-2-0x0000000001B90000-0x0000000001BFC000-memory.dmp

        Filesize

        432KB

      • memory/4260-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4260-1-0x0000000001D60000-0x0000000001E60000-memory.dmp

        Filesize

        1024KB

      • memory/4260-32-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4260-31-0x0000000001B90000-0x0000000001BFC000-memory.dmp

        Filesize

        432KB

      • memory/4360-13-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4360-15-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4360-66-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4360-14-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4360-105-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4360-103-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4360-101-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4480-74-0x000001DB96240000-0x000001DB9624A000-memory.dmp

        Filesize

        40KB

      • memory/4480-86-0x000001DBB5B30000-0x000001DBB5B68000-memory.dmp

        Filesize

        224KB

      • memory/4480-73-0x000001DBB0310000-0x000001DBB0334000-memory.dmp

        Filesize

        144KB

      • memory/4480-71-0x000001DB96230000-0x000001DB9623C000-memory.dmp

        Filesize

        48KB

      • memory/4480-75-0x000001DBB0340000-0x000001DBB036A000-memory.dmp

        Filesize

        168KB

      • memory/4480-76-0x000001DBB12F0000-0x000001DBB13A2000-memory.dmp

        Filesize

        712KB

      • memory/4480-77-0x000001DBB1780000-0x000001DBB17D0000-memory.dmp

        Filesize

        320KB

      • memory/4480-78-0x000001DBB17D0000-0x000001DBB17F2000-memory.dmp

        Filesize

        136KB

      • memory/4480-79-0x000001DBB0330000-0x000001DBB033A000-memory.dmp

        Filesize

        40KB

      • memory/4480-83-0x000001DBB1800000-0x000001DBB1B00000-memory.dmp

        Filesize

        3.0MB

      • memory/4480-85-0x000001DBB61F0000-0x000001DBB61F8000-memory.dmp

        Filesize

        32KB

      • memory/4480-72-0x000001DB96220000-0x000001DB96234000-memory.dmp

        Filesize

        80KB

      • memory/4480-87-0x000001DBB5B00000-0x000001DBB5B0E000-memory.dmp

        Filesize

        56KB

      • memory/4480-88-0x000001DBB5B20000-0x000001DBB5B28000-memory.dmp

        Filesize

        32KB

      • memory/4480-90-0x000001DBB6CC0000-0x000001DBB6D22000-memory.dmp

        Filesize

        392KB

      • memory/4480-89-0x000001DBB6CA0000-0x000001DBB6CAA000-memory.dmp

        Filesize

        40KB

      • memory/4480-91-0x000001DBB6D20000-0x000001DBB6D42000-memory.dmp

        Filesize

        136KB

      • memory/4480-92-0x000001DBB7270000-0x000001DBB7798000-memory.dmp

        Filesize

        5.2MB

      • memory/4480-95-0x000001DBB6A20000-0x000001DBB6A2C000-memory.dmp

        Filesize

        48KB

      • memory/4480-96-0x000001DBB6B00000-0x000001DBB6B76000-memory.dmp

        Filesize

        472KB

      • memory/4480-97-0x000001DBB6A60000-0x000001DBB6A7E000-memory.dmp

        Filesize

        120KB

      • memory/4480-70-0x000001DB96210000-0x000001DB96220000-memory.dmp

        Filesize

        64KB

      • memory/4480-69-0x000001DBB14E0000-0x000001DBB15EA000-memory.dmp

        Filesize

        1.0MB

      • memory/4480-68-0x000001DB92500000-0x000001DB95D34000-memory.dmp

        Filesize

        56.2MB