Analysis

  • max time kernel
    150s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2024 13:09

General

  • Target

    34060ac4115abb0a2facb1763fef3c3d14f81e120edbc38f7860b43ea2633abf.exe

  • Size

    368KB

  • MD5

    8e80240c5046a831a82b33a5110a75a4

  • SHA1

    28b5c1105309c371b0e75c1493370836efc8461e

  • SHA256

    34060ac4115abb0a2facb1763fef3c3d14f81e120edbc38f7860b43ea2633abf

  • SHA512

    2ff3a8f2efa0b37d579882970bf860bbf377d04b4eff3b1a95645c85e42caae57c945a772b113f055fc058a227ec1f23491ae388494ea9b953d4335907d1c047

  • SSDEEP

    6144:/jRhVhZVNlrECRfaajfnwdgcXlzbrp5nkaALQf4jTfeY:lrLNrEWCazK3XFh5vALQUfeY

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 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\34060ac4115abb0a2facb1763fef3c3d14f81e120edbc38f7860b43ea2633abf.exe
    "C:\Users\Admin\AppData\Local\Temp\34060ac4115abb0a2facb1763fef3c3d14f81e120edbc38f7860b43ea2633abf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4236
    • C:\Users\Admin\AppData\Local\Temp\u39o.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u39o.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3348
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3348 -s 1196
        3⤵
        • Program crash
        PID:2268
    • C:\Users\Admin\AppData\Local\Temp\u39o.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u39o.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:5092
      • 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:2204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4236 -s 1212
      2⤵
      • Program crash
      PID:2340
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4236 -ip 4236
    1⤵
      PID:3796
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3348 -ip 3348
      1⤵
        PID:3728

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\u39o.0.exe

        Filesize

        226KB

        MD5

        c4b38f17b16a0b545d989a5e7f192308

        SHA1

        7325ba75f76855f332e840d595cadc591ea220af

        SHA256

        45072f942cb27587d1815a9c079c066c85ac313fe1388fd61dd69c77bdc68b4b

        SHA512

        ca30aa925c6bec667fa4aceda9918d9e7c1ddee1fb7eded4ee266f6f6ae2d3e2fea7070049dc28540615832fc2e60e2821aabc839f468d446b44e082558ef041

      • C:\Users\Admin\AppData\Local\Temp\u39o.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2204-88-0x000002377FFE0000-0x0000023780018000-memory.dmp

        Filesize

        224KB

      • memory/2204-94-0x0000023721850000-0x0000023721D78000-memory.dmp

        Filesize

        5.2MB

      • memory/2204-91-0x0000023720440000-0x000002372044A000-memory.dmp

        Filesize

        40KB

      • memory/2204-76-0x000002371BBB0000-0x000002371BBBA000-memory.dmp

        Filesize

        40KB

      • memory/2204-90-0x000002377FDE0000-0x000002377FDE8000-memory.dmp

        Filesize

        32KB

      • memory/2204-78-0x000002371BFE0000-0x000002371C092000-memory.dmp

        Filesize

        712KB

      • memory/2204-89-0x000002377FDD0000-0x000002377FDDE000-memory.dmp

        Filesize

        56KB

      • memory/2204-77-0x000002371BC20000-0x000002371BC4A000-memory.dmp

        Filesize

        168KB

      • memory/2204-93-0x0000023720450000-0x0000023720472000-memory.dmp

        Filesize

        136KB

      • memory/2204-87-0x000002377FDC0000-0x000002377FDC8000-memory.dmp

        Filesize

        32KB

      • memory/2204-85-0x000002371C090000-0x000002371C390000-memory.dmp

        Filesize

        3.0MB

      • memory/2204-99-0x000002377FFA0000-0x000002377FFBE000-memory.dmp

        Filesize

        120KB

      • memory/2204-81-0x000002371BBF0000-0x000002371BBFA000-memory.dmp

        Filesize

        40KB

      • memory/2204-98-0x00000237800A0000-0x0000023780116000-memory.dmp

        Filesize

        472KB

      • memory/2204-69-0x000002377C440000-0x000002377FC74000-memory.dmp

        Filesize

        56.2MB

      • memory/2204-70-0x000002371BD90000-0x000002371BE9A000-memory.dmp

        Filesize

        1.0MB

      • memory/2204-71-0x000002371BB00000-0x000002371BB10000-memory.dmp

        Filesize

        64KB

      • memory/2204-72-0x000002371BB20000-0x000002371BB2C000-memory.dmp

        Filesize

        48KB

      • memory/2204-73-0x000002371BB10000-0x000002371BB24000-memory.dmp

        Filesize

        80KB

      • memory/2204-74-0x000002371BB80000-0x000002371BBA4000-memory.dmp

        Filesize

        144KB

      • memory/2204-80-0x000002377FDF0000-0x000002377FE12000-memory.dmp

        Filesize

        136KB

      • memory/2204-97-0x0000023720470000-0x000002372047C000-memory.dmp

        Filesize

        48KB

      • memory/2204-92-0x00000237212C0000-0x0000023721322000-memory.dmp

        Filesize

        392KB

      • memory/2204-79-0x000002377FF50000-0x000002377FFA0000-memory.dmp

        Filesize

        320KB

      • memory/3348-14-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/3348-65-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/3348-102-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/3348-104-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/3348-106-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/3348-17-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/3348-15-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/3348-13-0x0000000000400000-0x0000000001A03000-memory.dmp

        Filesize

        22.0MB

      • memory/4236-2-0x00000000036B0000-0x000000000371C000-memory.dmp

        Filesize

        432KB

      • memory/4236-1-0x0000000001C10000-0x0000000001D10000-memory.dmp

        Filesize

        1024KB

      • memory/4236-16-0x0000000000400000-0x0000000001A26000-memory.dmp

        Filesize

        22.1MB

      • memory/4236-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4236-32-0x0000000000400000-0x0000000001A26000-memory.dmp

        Filesize

        22.1MB

      • memory/4236-33-0x00000000036B0000-0x000000000371C000-memory.dmp

        Filesize

        432KB

      • memory/4236-34-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/5092-68-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/5092-56-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB