Analysis

  • max time kernel
    149s
  • 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
    09-05-2024 19:41

General

  • Target

    d719fb243a6d2ad33a76aa78ee66f4763a36c78a2373a01de223fb5c27b722da.exe

  • Size

    384KB

  • MD5

    f969256486cae8c6c357924481ec86ee

  • SHA1

    95f91c8a6539700b4dd6077ba3a778c13bc72d4d

  • SHA256

    d719fb243a6d2ad33a76aa78ee66f4763a36c78a2373a01de223fb5c27b722da

  • SHA512

    106959ab072744ae5ce79cbc627040dbd32bb416407ca7d1f848ae49dbb609f900c0f34696fc5e30c5418d889b5c07b35d5a0f9b4f1be1e662621ba2c4491e16

  • SSDEEP

    6144:2nNm4Za4Cv1GOuLzYI0dBXV9TCS/lMEGFZCTiQJ0s4:2nNNZg1GOuL5SV9TNyEGFTQP4

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 26 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\d719fb243a6d2ad33a76aa78ee66f4763a36c78a2373a01de223fb5c27b722da.exe
    "C:\Users\Admin\AppData\Local\Temp\d719fb243a6d2ad33a76aa78ee66f4763a36c78a2373a01de223fb5c27b722da.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\Users\Admin\AppData\Local\Temp\u14w.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u14w.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4780
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4780 -s 1280
        3⤵
        • Program crash
        PID:536
    • C:\Users\Admin\AppData\Local\Temp\u14w.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u14w.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:4000
      • 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:3148
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 1036
      2⤵
      • Program crash
      PID:1828
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1472 -ip 1472
    1⤵
      PID:3536
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4780 -ip 4780
      1⤵
        PID:1880

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\u14w.0.exe

        Filesize

        206KB

        MD5

        0917be53327ea132956255dcab650a82

        SHA1

        b60818917f645a8a9af3b530e3ae37c1f002be2f

        SHA256

        211c34660898480e0777c6ef6f61bf2111f6550e00b40cab859543d567dc455a

        SHA512

        a72acc24ba813d983bbf2ecab7929d0aab4e25637ae43e85b973a5105429bd15c061415fd855737620caaf81b456b2d6ba57f85566245efbe5f8b5db5560932a

      • C:\Users\Admin\AppData\Local\Temp\u14w.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1472-2-0x0000000002C80000-0x0000000002CEC000-memory.dmp

        Filesize

        432KB

      • memory/1472-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1472-1-0x0000000002EE0000-0x0000000002FE0000-memory.dmp

        Filesize

        1024KB

      • memory/1472-19-0x0000000000400000-0x0000000002B1E000-memory.dmp

        Filesize

        39.1MB

      • memory/1472-32-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1472-31-0x0000000000400000-0x0000000002B1E000-memory.dmp

        Filesize

        39.1MB

      • memory/3148-89-0x0000021AFD070000-0x0000021AFD0D2000-memory.dmp

        Filesize

        392KB

      • memory/3148-78-0x0000021AF7660000-0x0000021AF766A000-memory.dmp

        Filesize

        40KB

      • memory/3148-97-0x0000021AFCE10000-0x0000021AFCE2E000-memory.dmp

        Filesize

        120KB

      • memory/3148-95-0x0000021AFCEB0000-0x0000021AFCF26000-memory.dmp

        Filesize

        472KB

      • memory/3148-67-0x0000021AF08B0000-0x0000021AF40E4000-memory.dmp

        Filesize

        56.2MB

      • memory/3148-68-0x0000021AF7800000-0x0000021AF790A000-memory.dmp

        Filesize

        1.0MB

      • memory/3148-70-0x0000021AF75D0000-0x0000021AF75DC000-memory.dmp

        Filesize

        48KB

      • memory/3148-69-0x0000021AF75A0000-0x0000021AF75B0000-memory.dmp

        Filesize

        64KB

      • memory/3148-71-0x0000021AF75B0000-0x0000021AF75C4000-memory.dmp

        Filesize

        80KB

      • memory/3148-72-0x0000021AF7640000-0x0000021AF7664000-memory.dmp

        Filesize

        144KB

      • memory/3148-75-0x0000021AF7A50000-0x0000021AF7B02000-memory.dmp

        Filesize

        712KB

      • memory/3148-74-0x0000021AF7670000-0x0000021AF769A000-memory.dmp

        Filesize

        168KB

      • memory/3148-73-0x0000021AF7620000-0x0000021AF762A000-memory.dmp

        Filesize

        40KB

      • memory/3148-76-0x0000021AF7B00000-0x0000021AF7B50000-memory.dmp

        Filesize

        320KB

      • memory/3148-77-0x0000021AF7B50000-0x0000021AF7B72000-memory.dmp

        Filesize

        136KB

      • memory/3148-94-0x0000021AFCDD0000-0x0000021AFCDDC000-memory.dmp

        Filesize

        48KB

      • memory/3148-82-0x0000021AF7B80000-0x0000021AF7E80000-memory.dmp

        Filesize

        3.0MB

      • memory/3148-84-0x0000021AFC5A0000-0x0000021AFC5A8000-memory.dmp

        Filesize

        32KB

      • memory/3148-86-0x0000021AFBEB0000-0x0000021AFBEBE000-memory.dmp

        Filesize

        56KB

      • memory/3148-85-0x0000021AFBEE0000-0x0000021AFBF18000-memory.dmp

        Filesize

        224KB

      • memory/3148-87-0x0000021AFBED0000-0x0000021AFBED8000-memory.dmp

        Filesize

        32KB

      • memory/3148-90-0x0000021AFD0D0000-0x0000021AFD0F2000-memory.dmp

        Filesize

        136KB

      • memory/3148-91-0x0000021AFD620000-0x0000021AFDB48000-memory.dmp

        Filesize

        5.2MB

      • memory/3148-88-0x0000021AFD050000-0x0000021AFD05A000-memory.dmp

        Filesize

        40KB

      • memory/4000-54-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4000-66-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4780-37-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB

      • memory/4780-53-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB

      • memory/4780-99-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB

      • memory/4780-101-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB

      • memory/4780-103-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB

      • memory/4780-105-0x0000000000400000-0x0000000002AF1000-memory.dmp

        Filesize

        38.9MB