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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, 16:35

General

  • Target

    7ece91487f9d7ad897ce696e8f471ee0e88378fa3e9595a4d9aa208601bdd7bc.exe

  • Size

    384KB

  • MD5

    3d4ce3bb2e576cb652ffbcf92ac6b832

  • SHA1

    733ba86aa7b923c107ba48710e0ffa7f2fbd339c

  • SHA256

    7ece91487f9d7ad897ce696e8f471ee0e88378fa3e9595a4d9aa208601bdd7bc

  • SHA512

    b53f430eba5fd6748b67c1a34e6188c09ad5dc52327c070bb812e176b92b83c1a35cfa0053d5d5921b94012ae9b5e97c3ec6d3ea111d224a901d6604095263be

  • SSDEEP

    6144:CvNcF7Kk1SAa5i2mfLPrzOMWRTco+7ASGdHhyUZwS4:CvNo+nAa5gnXo+c8aT4

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\7ece91487f9d7ad897ce696e8f471ee0e88378fa3e9595a4d9aa208601bdd7bc.exe
    "C:\Users\Admin\AppData\Local\Temp\7ece91487f9d7ad897ce696e8f471ee0e88378fa3e9595a4d9aa208601bdd7bc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4540
    • C:\Users\Admin\AppData\Local\Temp\u3i4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3i4.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3152
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3152 -s 1372
        3⤵
        • Program crash
        PID:1804
    • C:\Users\Admin\AppData\Local\Temp\u3i4.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3i4.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2284
      • 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:2448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 704
      2⤵
      • Program crash
      PID:656
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4540 -ip 4540
    1⤵
      PID:2460
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3152 -ip 3152
      1⤵
        PID:1496

      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

        832b7765312b74c4c3e236bc631e3c2b

        SHA1

        ace66c656661d11d6eecf9390aef3cf4b36360e9

        SHA256

        ebf0769201b791ed8d382ab2b096bdf5e019db21c07ae290d53e7465e68b9475

        SHA512

        69d7196d6f4fa1950a53985b081a2c57678685b0d333827fe1f8e1f0f8396f20f04fa5012aeddb09262c501fcfe344d4cb20e9a9e47d42ab7ea229fc9d45676d

      • C:\Users\Admin\AppData\Local\Temp\u3i4.0.exe

        Filesize

        217KB

        MD5

        1485fe25a6d2bc50d097656c434822f1

        SHA1

        b8a4f204a92bad32df0e6af82a4ae04d71910ba9

        SHA256

        044d3469fd7a09f42ba4d342604e002f0ba770528747ba6d3cb7c4b77a975be6

        SHA512

        18346906dd80342281579602860c514f8e535bf25b3a0f1abe56f08aab52f203323b8d279e8df7c3723acf989aa0d438866675c22095386f8632a543b5dceaf0

      • C:\Users\Admin\AppData\Local\Temp\u3i4.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2284-54-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2284-66-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2448-75-0x000002C35D4C0000-0x000002C35D4EA000-memory.dmp

        Filesize

        168KB

      • memory/2448-78-0x000002C343310000-0x000002C34331A000-memory.dmp

        Filesize

        40KB

      • memory/2448-99-0x000002C35D510000-0x000002C35D6C3000-memory.dmp

        Filesize

        1.7MB

      • memory/2448-96-0x000002C362680000-0x000002C36269E000-memory.dmp

        Filesize

        120KB

      • memory/2448-95-0x000002C362720000-0x000002C362796000-memory.dmp

        Filesize

        472KB

      • memory/2448-94-0x000002C362640000-0x000002C36264C000-memory.dmp

        Filesize

        48KB

      • memory/2448-91-0x000002C362E50000-0x000002C363378000-memory.dmp

        Filesize

        5.2MB

      • memory/2448-90-0x000002C362620000-0x000002C362642000-memory.dmp

        Filesize

        136KB

      • memory/2448-67-0x000002C33F5E0000-0x000002C342E14000-memory.dmp

        Filesize

        56.2MB

      • memory/2448-68-0x000002C35D890000-0x000002C35D99A000-memory.dmp

        Filesize

        1.0MB

      • memory/2448-70-0x000002C344B30000-0x000002C344B3C000-memory.dmp

        Filesize

        48KB

      • memory/2448-69-0x000002C344B10000-0x000002C344B20000-memory.dmp

        Filesize

        64KB

      • memory/2448-71-0x000002C344B20000-0x000002C344B34000-memory.dmp

        Filesize

        80KB

      • memory/2448-72-0x000002C35D460000-0x000002C35D484000-memory.dmp

        Filesize

        144KB

      • memory/2448-73-0x000002C35D490000-0x000002C35D49A000-memory.dmp

        Filesize

        40KB

      • memory/2448-89-0x000002C3628C0000-0x000002C362922000-memory.dmp

        Filesize

        392KB

      • memory/2448-74-0x000002C35D6D0000-0x000002C35D782000-memory.dmp

        Filesize

        712KB

      • memory/2448-76-0x000002C35DB40000-0x000002C35DB90000-memory.dmp

        Filesize

        320KB

      • memory/2448-77-0x000002C35DB90000-0x000002C35DBB2000-memory.dmp

        Filesize

        136KB

      • memory/2448-88-0x000002C3628A0000-0x000002C3628AA000-memory.dmp

        Filesize

        40KB

      • memory/2448-82-0x000002C35DBC0000-0x000002C35DEC0000-memory.dmp

        Filesize

        3.0MB

      • memory/2448-84-0x000002C3625F0000-0x000002C3625F8000-memory.dmp

        Filesize

        32KB

      • memory/2448-85-0x000002C361F30000-0x000002C361F68000-memory.dmp

        Filesize

        224KB

      • memory/2448-87-0x000002C361F20000-0x000002C361F28000-memory.dmp

        Filesize

        32KB

      • memory/2448-86-0x000002C361F00000-0x000002C361F0E000-memory.dmp

        Filesize

        56KB

      • memory/3152-53-0x0000000000400000-0x0000000002AF3000-memory.dmp

        Filesize

        38.9MB

      • memory/3152-37-0x0000000000400000-0x0000000002AF3000-memory.dmp

        Filesize

        38.9MB

      • memory/3152-101-0x0000000000400000-0x0000000002AF3000-memory.dmp

        Filesize

        38.9MB

      • memory/3152-105-0x0000000000400000-0x0000000002AF3000-memory.dmp

        Filesize

        38.9MB

      • memory/3152-109-0x0000000000400000-0x0000000002AF3000-memory.dmp

        Filesize

        38.9MB

      • memory/3152-113-0x0000000000400000-0x0000000002AF3000-memory.dmp

        Filesize

        38.9MB

      • memory/4540-31-0x0000000004840000-0x00000000048AC000-memory.dmp

        Filesize

        432KB

      • memory/4540-1-0x0000000002D50000-0x0000000002E50000-memory.dmp

        Filesize

        1024KB

      • memory/4540-2-0x0000000004840000-0x00000000048AC000-memory.dmp

        Filesize

        432KB

      • memory/4540-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4540-32-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4540-30-0x0000000000400000-0x0000000002B1E000-memory.dmp

        Filesize

        39.1MB