Analysis

  • max time kernel
    128s
  • max time network
    134s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    08-05-2024 23:53

General

  • Target

    c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe

  • Size

    365KB

  • MD5

    33179813ef6865c32c666fc519eaad03

  • SHA1

    a3cb6a5b14fea9f5643d07754fffe9dfd2172fb9

  • SHA256

    c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4

  • SHA512

    40d743ff5b2ee373e763b78ffebce7c8d898b59b595173a504ec26918c9c039213c92478156936faa1bbbe63e11ee6f9122b8f61a65a45f17e26c6539e773053

  • SSDEEP

    6144:mfcBWeUkksvXwBbM4HxlzmJp2C5kbX1Z0DR7M1jTs5gYTmWI:mfcUeGzhHxNQKX1eDR7un0mWI

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 23 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\c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe
    "C:\Users\Admin\AppData\Local\Temp\c6d76480adfb9b563997f74f74964f0833c2f7eacfa72258c9d2b80a279fe6d4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Users\Admin\AppData\Local\Temp\u258.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u258.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3168
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 1132
        3⤵
        • Program crash
        PID:2508
    • C:\Users\Admin\AppData\Local\Temp\u258.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u258.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3288
      • 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:4468
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 960
      2⤵
      • Program crash
      PID:1600
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2780 -ip 2780
    1⤵
      PID:2912
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3168 -ip 3168
      1⤵
        PID:4876

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        3KB

        MD5

        ff844a7ba44263dca8223797b60f0b8b

        SHA1

        68bfb988e78b6e6655eddb3ce95e8256e67c393a

        SHA256

        bc8b3a74f7c42bdfbfdb07a2510cc8fb65fdaa253c854337da35da4bcdd22f41

        SHA512

        abe8cdbae7c73156ed12600ae54392804817de390e727c898107dd72188d8b80da3bb942fcdbd1899a0673c6d3d4c72b78bc535c0397fba4cf7b761597041c91

      • C:\Users\Admin\AppData\Local\Temp\u258.0.exe

        Filesize

        223KB

        MD5

        ac3b1a30e96b6d89ce98a21bb5b2093a

        SHA1

        4270104678195b8cad3520a704c556155a0a65b5

        SHA256

        803946c2712aec2b60b54b3cd7c3375a9a0158e7ccbfbd4ab8a66e6ddfc7d463

        SHA512

        65e74527ffa9d6e776d063db44322080315a5a9eb13bb67acd61be6e65862ec127366d742beca349c7ca8281e2f67193bafc14c8c0ee3f222b19b452d05c8491

      • C:\Users\Admin\AppData\Local\Temp\u258.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2780-35-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2780-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2780-2-0x0000000002810000-0x000000000287C000-memory.dmp

        Filesize

        432KB

      • memory/2780-1-0x0000000002890000-0x0000000002990000-memory.dmp

        Filesize

        1024KB

      • memory/2780-33-0x0000000000400000-0x0000000002597000-memory.dmp

        Filesize

        33.6MB

      • memory/3168-13-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3168-14-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3168-104-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3168-102-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3168-100-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3168-97-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3288-61-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3288-64-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4468-73-0x0000024C60780000-0x0000024C60832000-memory.dmp

        Filesize

        712KB

      • memory/4468-84-0x0000024C64C10000-0x0000024C64C48000-memory.dmp

        Filesize

        224KB

      • memory/4468-71-0x0000024C60320000-0x0000024C6032A000-memory.dmp

        Filesize

        40KB

      • memory/4468-72-0x0000024C60570000-0x0000024C6059A000-memory.dmp

        Filesize

        168KB

      • memory/4468-69-0x0000024C479C0000-0x0000024C479D4000-memory.dmp

        Filesize

        80KB

      • memory/4468-75-0x0000024C60830000-0x0000024C60880000-memory.dmp

        Filesize

        320KB

      • memory/4468-76-0x0000024C605D0000-0x0000024C605F2000-memory.dmp

        Filesize

        136KB

      • memory/4468-77-0x0000024C47990000-0x0000024C4799A000-memory.dmp

        Filesize

        40KB

      • memory/4468-81-0x0000024C60880000-0x0000024C60B80000-memory.dmp

        Filesize

        3.0MB

      • memory/4468-83-0x0000024C652D0000-0x0000024C652D8000-memory.dmp

        Filesize

        32KB

      • memory/4468-85-0x0000024C64BE0000-0x0000024C64BEE000-memory.dmp

        Filesize

        56KB

      • memory/4468-70-0x0000024C60540000-0x0000024C60564000-memory.dmp

        Filesize

        144KB

      • memory/4468-86-0x0000024C64C00000-0x0000024C64C08000-memory.dmp

        Filesize

        32KB

      • memory/4468-87-0x0000024C65580000-0x0000024C6558A000-memory.dmp

        Filesize

        40KB

      • memory/4468-88-0x0000024C655A0000-0x0000024C65602000-memory.dmp

        Filesize

        392KB

      • memory/4468-89-0x0000024C65300000-0x0000024C65322000-memory.dmp

        Filesize

        136KB

      • memory/4468-90-0x0000024C65B30000-0x0000024C66058000-memory.dmp

        Filesize

        5.2MB

      • memory/4468-93-0x0000024C65320000-0x0000024C6532C000-memory.dmp

        Filesize

        48KB

      • memory/4468-94-0x0000024C65400000-0x0000024C65476000-memory.dmp

        Filesize

        472KB

      • memory/4468-95-0x0000024C65360000-0x0000024C6537E000-memory.dmp

        Filesize

        120KB

      • memory/4468-67-0x0000024C479B0000-0x0000024C479C0000-memory.dmp

        Filesize

        64KB

      • memory/4468-68-0x0000024C479D0000-0x0000024C479DC000-memory.dmp

        Filesize

        48KB

      • memory/4468-66-0x0000024C60430000-0x0000024C6053A000-memory.dmp

        Filesize

        1.0MB

      • memory/4468-65-0x0000024C42480000-0x0000024C45CB4000-memory.dmp

        Filesize

        56.2MB