Analysis

  • max time kernel
    149s
  • max time network
    154s
  • 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 19:17

General

  • Target

    5a5b68f275349f23ef28f8139ac314f3ffdb7cffbe04954905d0366cab74b586.exe

  • Size

    364KB

  • MD5

    05a44e1d4a4b66a51b1ef3a7b4e89942

  • SHA1

    3894886a7a0d588c83c425e965de01359521d078

  • SHA256

    5a5b68f275349f23ef28f8139ac314f3ffdb7cffbe04954905d0366cab74b586

  • SHA512

    cbf529a67bf18817d218c503839509ed29f14e7c7b7abd2a0b4b2ea93e4a926c4f2ab3edc06440ed56c2d0a28dd5bff83262c3305a112f366dadaf4dbff96116

  • SSDEEP

    6144:US0t5FW7l8UYZb1jNb41/6vpo+kveaeldhFeyf8rSYMOLcPZuBkT7YKkUT3fgK:US0nY7+5ao6DmlLhFerrSYMOEZuBkPTf

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 2 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 28 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\5a5b68f275349f23ef28f8139ac314f3ffdb7cffbe04954905d0366cab74b586.exe
    "C:\Users\Admin\AppData\Local\Temp\5a5b68f275349f23ef28f8139ac314f3ffdb7cffbe04954905d0366cab74b586.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Users\Admin\AppData\Local\Temp\u1eo.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1eo.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2912
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2912 -s 1136
        3⤵
        • Program crash
        PID:2984
    • C:\Users\Admin\AppData\Local\Temp\u1eo.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1eo.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:4716
      • 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:1796
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1824 -s 1136
      2⤵
      • Program crash
      PID:432
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1824 -ip 1824
    1⤵
      PID:2004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2912 -ip 2912
      1⤵
        PID:844

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\u1eo.0.exe

        Filesize

        223KB

        MD5

        eba29f456da60d82c13021441b3d7798

        SHA1

        d1a4fe3c8002d5be2393e5ae92892232d8e4a78e

        SHA256

        5edef454c9c9622255eb8616c5cb841f80cfe6cfc470f3ac2d46ca6ad0b64ff1

        SHA512

        f47e99c4926e261c134db7198b98abe138a79db12a88a6112fc34770a7cd01ad2c1cb1c4ca71bb5290d22ef4d8d17901583eb519633a823fdd94db1843e3461f

      • C:\Users\Admin\AppData\Local\Temp\u1eo.1.exe

        Filesize

        3.6MB

        MD5

        bdd4b83b24911fa921092e096d399ac9

        SHA1

        1a9d97edbce74e14676b7362a1f35ee87e934448

        SHA256

        86e8ec464f8b3a2877085e8f0e05d75f451f099cbd8d9973bad7a3e113145b4a

        SHA512

        ba1382c9cae8242f78ebc6c61a636c167e8efbd5500cd0848c1deb26708d17e033ebc19835677ceb68d96a1c7b5b49b091b047db070dfa31809bdcf3ea791f1d

      • C:\Users\Admin\AppData\Local\Temp\u1eo.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1796-88-0x0000019925000000-0x0000019925528000-memory.dmp

        Filesize

        5.2MB

      • memory/1796-83-0x0000019923890000-0x000001992389E000-memory.dmp

        Filesize

        56KB

      • memory/1796-70-0x0000019905920000-0x000001990592A000-memory.dmp

        Filesize

        40KB

      • memory/1796-71-0x000001991F060000-0x000001991F08A000-memory.dmp

        Filesize

        168KB

      • memory/1796-94-0x00000199247F0000-0x000001992480E000-memory.dmp

        Filesize

        120KB

      • memory/1796-93-0x0000019924890000-0x0000019924906000-memory.dmp

        Filesize

        472KB

      • memory/1796-82-0x00000199238C0000-0x00000199238F8000-memory.dmp

        Filesize

        224KB

      • memory/1796-92-0x00000199247B0000-0x00000199247BC000-memory.dmp

        Filesize

        48KB

      • memory/1796-85-0x0000019924A30000-0x0000019924A3A000-memory.dmp

        Filesize

        40KB

      • memory/1796-64-0x0000019900290000-0x0000019903AC4000-memory.dmp

        Filesize

        56.2MB

      • memory/1796-65-0x000001991F1F0000-0x000001991F2FA000-memory.dmp

        Filesize

        1.0MB

      • memory/1796-67-0x0000019905910000-0x000001990591C000-memory.dmp

        Filesize

        48KB

      • memory/1796-66-0x00000199057C0000-0x00000199057D0000-memory.dmp

        Filesize

        64KB

      • memory/1796-69-0x000001991F030000-0x000001991F054000-memory.dmp

        Filesize

        144KB

      • memory/1796-68-0x00000199057E0000-0x00000199057F4000-memory.dmp

        Filesize

        80KB

      • memory/1796-72-0x000001991F440000-0x000001991F4F2000-memory.dmp

        Filesize

        712KB

      • memory/1796-74-0x000001991F0C0000-0x000001991F0E2000-memory.dmp

        Filesize

        136KB

      • memory/1796-73-0x000001991F4F0000-0x000001991F540000-memory.dmp

        Filesize

        320KB

      • memory/1796-87-0x0000019924AB0000-0x0000019924AD2000-memory.dmp

        Filesize

        136KB

      • memory/1796-86-0x0000019924A50000-0x0000019924AB2000-memory.dmp

        Filesize

        392KB

      • memory/1796-79-0x000001991F540000-0x000001991F840000-memory.dmp

        Filesize

        3.0MB

      • memory/1796-75-0x000001991F010000-0x000001991F01A000-memory.dmp

        Filesize

        40KB

      • memory/1796-81-0x0000019923F80000-0x0000019923F88000-memory.dmp

        Filesize

        32KB

      • memory/1796-84-0x00000199238B0000-0x00000199238B8000-memory.dmp

        Filesize

        32KB

      • memory/1824-33-0x0000000000400000-0x0000000001A25000-memory.dmp

        Filesize

        22.1MB

      • memory/1824-2-0x0000000003660000-0x00000000036CC000-memory.dmp

        Filesize

        432KB

      • memory/1824-1-0x0000000001BC0000-0x0000000001CC0000-memory.dmp

        Filesize

        1024KB

      • memory/1824-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1824-34-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2912-13-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/2912-101-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/2912-96-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/2912-99-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/2912-14-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/2912-103-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/4716-63-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4716-51-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB