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Analysis

  • max time kernel
    140s
  • max time network
    125s
  • 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, 19:29

General

  • Target

    df92888c2d408f846ea1d7477cfd87dcb3b75803b0773321d4975c8fc9296306.exe

  • Size

    364KB

  • MD5

    b7ea20fdd805fb4eb379063ceb609a90

  • SHA1

    4f855478175080c7268e110dfb61aa094db69b70

  • SHA256

    df92888c2d408f846ea1d7477cfd87dcb3b75803b0773321d4975c8fc9296306

  • SHA512

    b7ac4ed4606a71f58077f93d8d05eeebb00e8e8211dbc56f2aae9cc486fe3fad3f00b9f6ee1f6834be7d5211362f00582bea36d2e772165c535084d3b3c6cbd4

  • SSDEEP

    6144:US0t5FW7l8UYZb1jNb41/6vpo+kveaeldhFeyf8rSYMOLcPZuBkT7YKkUT3fgM:US0nY7+5ao6DmlLhFerrSYMOEZuBkPTZ

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\df92888c2d408f846ea1d7477cfd87dcb3b75803b0773321d4975c8fc9296306.exe
    "C:\Users\Admin\AppData\Local\Temp\df92888c2d408f846ea1d7477cfd87dcb3b75803b0773321d4975c8fc9296306.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Users\Admin\AppData\Local\Temp\u28g.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u28g.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4816
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 828
        3⤵
        • Program crash
        PID:3104
    • C:\Users\Admin\AppData\Local\Temp\u28g.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u28g.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:4604
      • 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:408
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 1532
      2⤵
      • Program crash
      PID:2944
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2896 -ip 2896
    1⤵
      PID:4972
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4816 -ip 4816
      1⤵
        PID:2308

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\u28g.0.exe

        Filesize

        223KB

        MD5

        eba29f456da60d82c13021441b3d7798

        SHA1

        d1a4fe3c8002d5be2393e5ae92892232d8e4a78e

        SHA256

        5edef454c9c9622255eb8616c5cb841f80cfe6cfc470f3ac2d46ca6ad0b64ff1

        SHA512

        f47e99c4926e261c134db7198b98abe138a79db12a88a6112fc34770a7cd01ad2c1cb1c4ca71bb5290d22ef4d8d17901583eb519633a823fdd94db1843e3461f

      • C:\Users\Admin\AppData\Local\Temp\u28g.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/408-92-0x0000024E27550000-0x0000024E2755C000-memory.dmp

        Filesize

        48KB

      • memory/408-73-0x0000024E221B0000-0x0000024E22262000-memory.dmp

        Filesize

        712KB

      • memory/408-94-0x0000024E27590000-0x0000024E275AE000-memory.dmp

        Filesize

        120KB

      • memory/408-93-0x0000024E27630000-0x0000024E276A6000-memory.dmp

        Filesize

        472KB

      • memory/408-82-0x0000024E26CF0000-0x0000024E26CF8000-memory.dmp

        Filesize

        32KB

      • memory/408-84-0x0000024E26600000-0x0000024E2660E000-memory.dmp

        Filesize

        56KB

      • memory/408-86-0x0000024E27510000-0x0000024E2751A000-memory.dmp

        Filesize

        40KB

      • memory/408-89-0x0000024E27D50000-0x0000024E28278000-memory.dmp

        Filesize

        5.2MB

      • memory/408-87-0x0000024E277C0000-0x0000024E27822000-memory.dmp

        Filesize

        392KB

      • memory/408-75-0x0000024E21E30000-0x0000024E21E52000-memory.dmp

        Filesize

        136KB

      • memory/408-65-0x0000024E03000000-0x0000024E06834000-memory.dmp

        Filesize

        56.2MB

      • memory/408-68-0x0000024E21D20000-0x0000024E21D2C000-memory.dmp

        Filesize

        48KB

      • memory/408-69-0x0000024E21D10000-0x0000024E21D24000-memory.dmp

        Filesize

        80KB

      • memory/408-70-0x0000024E21D70000-0x0000024E21D94000-memory.dmp

        Filesize

        144KB

      • memory/408-67-0x0000024E08460000-0x0000024E08470000-memory.dmp

        Filesize

        64KB

      • memory/408-66-0x0000024E21F60000-0x0000024E2206A000-memory.dmp

        Filesize

        1.0MB

      • memory/408-72-0x0000024E21DC0000-0x0000024E21DEA000-memory.dmp

        Filesize

        168KB

      • memory/408-71-0x0000024E21DA0000-0x0000024E21DAA000-memory.dmp

        Filesize

        40KB

      • memory/408-88-0x0000024E27530000-0x0000024E27552000-memory.dmp

        Filesize

        136KB

      • memory/408-74-0x0000024E22260000-0x0000024E222B0000-memory.dmp

        Filesize

        320KB

      • memory/408-85-0x0000024E26620000-0x0000024E26628000-memory.dmp

        Filesize

        32KB

      • memory/408-80-0x0000024E222B0000-0x0000024E225B0000-memory.dmp

        Filesize

        3.0MB

      • memory/408-76-0x0000024E21DB0000-0x0000024E21DBA000-memory.dmp

        Filesize

        40KB

      • memory/408-83-0x0000024E26630000-0x0000024E26668000-memory.dmp

        Filesize

        224KB

      • memory/2896-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2896-2-0x0000000001AD0000-0x0000000001B3C000-memory.dmp

        Filesize

        432KB

      • memory/2896-34-0x0000000000400000-0x0000000001A25000-memory.dmp

        Filesize

        22.1MB

      • memory/2896-1-0x0000000001B50000-0x0000000001C50000-memory.dmp

        Filesize

        1024KB

      • memory/2896-35-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4604-53-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4604-64-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4816-102-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/4816-13-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/4816-15-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/4816-97-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/4816-100-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/4816-14-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB

      • memory/4816-104-0x0000000000400000-0x0000000001A02000-memory.dmp

        Filesize

        22.0MB