Analysis

  • max time kernel
    148s
  • max time network
    151s
  • 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 20:08

General

  • Target

    d9c1e5df5baf1833a72a9591ab685d65c9e985563d791e27d5c4e4afeb672697.exe

  • Size

    364KB

  • MD5

    164928a82210574dbb33128a7416e69a

  • SHA1

    5483ed912d256abad4c51dfac3c6bd5417e5102d

  • SHA256

    d9c1e5df5baf1833a72a9591ab685d65c9e985563d791e27d5c4e4afeb672697

  • SHA512

    0900ddb9cc6e8d2f2c5a9c2432c053c8120668314e0c9a15808718c27cee987fd83b647c280995a6bebbe7c79d7e2d9f1ae72e15be4f09f723fc7aa9dc777b41

  • SSDEEP

    6144:9HjGRWK3W3yK7lKM6FBEwOaIbJp4U/BKfL/z22v2qDx6Anq4Ndy3YTDXgI:9DGEK3WiK7UMCbm6bfVDxrntTDXgI

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 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\d9c1e5df5baf1833a72a9591ab685d65c9e985563d791e27d5c4e4afeb672697.exe
    "C:\Users\Admin\AppData\Local\Temp\d9c1e5df5baf1833a72a9591ab685d65c9e985563d791e27d5c4e4afeb672697.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Local\Temp\u15g.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u15g.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2316
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2316 -s 1300
        3⤵
        • Program crash
        PID:4636
    • C:\Users\Admin\AppData\Local\Temp\u15g.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u15g.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:4012
      • 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:2548
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 1528
      2⤵
      • Program crash
      PID:4244
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1492 -ip 1492
    1⤵
      PID:4492
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2316 -ip 2316
      1⤵
        PID:4876

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\u15g.0.exe

        Filesize

        223KB

        MD5

        280229b137b0f36f2b18b9bc7841995d

        SHA1

        d800c8ecc758ccacfe9a91efd45904efcc17b84a

        SHA256

        49533fc0ca008e430d35fdabab4b200a70e629e62f5b16f9157b5a82b6494536

        SHA512

        aeb7566ad83b6b1a01e2d8f6e557a18a75a8bd4229f72cc9e1b1ffe9dd86d14469937eea221e0d436274d4444d4f1732098b98ca3ddc3c7aec65867107fbdec5

      • C:\Users\Admin\AppData\Local\Temp\u15g.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1492-34-0x0000000000400000-0x0000000002597000-memory.dmp

        Filesize

        33.6MB

      • memory/1492-1-0x0000000002790000-0x0000000002890000-memory.dmp

        Filesize

        1024KB

      • memory/1492-2-0x0000000002710000-0x000000000277C000-memory.dmp

        Filesize

        432KB

      • memory/1492-35-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1492-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2316-13-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/2316-14-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/2316-15-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/2316-104-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/2316-102-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/2316-100-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/2316-97-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/2548-83-0x00000149EE830000-0x00000149EE838000-memory.dmp

        Filesize

        32KB

      • memory/2548-84-0x00000149EEF30000-0x00000149EEF68000-memory.dmp

        Filesize

        224KB

      • memory/2548-71-0x00000149EA5E0000-0x00000149EA604000-memory.dmp

        Filesize

        144KB

      • memory/2548-70-0x00000149E9600000-0x00000149E9614000-memory.dmp

        Filesize

        80KB

      • memory/2548-74-0x00000149EAA10000-0x00000149EAAC2000-memory.dmp

        Filesize

        712KB

      • memory/2548-76-0x00000149EAB60000-0x00000149EAB82000-memory.dmp

        Filesize

        136KB

      • memory/2548-75-0x00000149EAB10000-0x00000149EAB60000-memory.dmp

        Filesize

        320KB

      • memory/2548-73-0x00000149EA670000-0x00000149EA69A000-memory.dmp

        Filesize

        168KB

      • memory/2548-72-0x00000149EA610000-0x00000149EA61A000-memory.dmp

        Filesize

        40KB

      • memory/2548-77-0x00000149EA620000-0x00000149EA62A000-memory.dmp

        Filesize

        40KB

      • memory/2548-81-0x00000149EAB90000-0x00000149EAE90000-memory.dmp

        Filesize

        3.0MB

      • memory/2548-85-0x00000149EEF00000-0x00000149EEF0E000-memory.dmp

        Filesize

        56KB

      • memory/2548-86-0x00000149EEF20000-0x00000149EEF28000-memory.dmp

        Filesize

        32KB

      • memory/2548-68-0x00000149CF4E0000-0x00000149CF4F0000-memory.dmp

        Filesize

        64KB

      • memory/2548-88-0x00000149F0070000-0x00000149F00D2000-memory.dmp

        Filesize

        392KB

      • memory/2548-87-0x00000149F0050000-0x00000149F005A000-memory.dmp

        Filesize

        40KB

      • memory/2548-69-0x00000149EA580000-0x00000149EA58C000-memory.dmp

        Filesize

        48KB

      • memory/2548-89-0x00000149F00D0000-0x00000149F00F2000-memory.dmp

        Filesize

        136KB

      • memory/2548-90-0x00000149F0620000-0x00000149F0B48000-memory.dmp

        Filesize

        5.2MB

      • memory/2548-93-0x00000149EFDD0000-0x00000149EFDDC000-memory.dmp

        Filesize

        48KB

      • memory/2548-94-0x00000149EFEB0000-0x00000149EFF26000-memory.dmp

        Filesize

        472KB

      • memory/2548-95-0x00000149EFE10000-0x00000149EFE2E000-memory.dmp

        Filesize

        120KB

      • memory/2548-67-0x00000149EA7C0000-0x00000149EA8CA000-memory.dmp

        Filesize

        1.0MB

      • memory/2548-65-0x00000149CB8A0000-0x00000149CF0D4000-memory.dmp

        Filesize

        56.2MB

      • memory/4012-64-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4012-52-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB