Analysis

  • max time kernel
    131s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2024 23:51

General

  • Target

    257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe

  • Size

    365KB

  • MD5

    7ee08f879aa35adf10d1d6fe7b8a3748

  • SHA1

    78c3dd7fa68f89e48f9bcd5f31b14be3a35c4edb

  • SHA256

    257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f

  • SHA512

    d48815302a2d7ed70d33881508ce5e23e06500f78afeaa6c34d8d8d4cd48952ed66294659fcdfb36b15a40560553fa2726979d872505adb6613e7f515c023726

  • SSDEEP

    6144:mfcBWeUkksvXwBbM4HxlzmJp2C5kbX1Z0DR7M1jTs5gYTmWK:mfcUeGzhHxNQKX1eDR7un0mWK

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 21 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\257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe
    "C:\Users\Admin\AppData\Local\Temp\257a80b8b7009e7c93ae0549334f5879bcdb82f8bf0c592aee302f2aec76815f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Users\Admin\AppData\Local\Temp\u268.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u268.0.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2940
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 1340
        3⤵
        • Program crash
        PID:1416
    • C:\Users\Admin\AppData\Local\Temp\u268.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u268.1.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:2616
      • 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:3024
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 984
      2⤵
      • Program crash
      PID:456
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2816 -ip 2816
    1⤵
      PID:2880
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2940 -ip 2940
      1⤵
        PID:456

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\u268.0.exe

        Filesize

        223KB

        MD5

        ac3b1a30e96b6d89ce98a21bb5b2093a

        SHA1

        4270104678195b8cad3520a704c556155a0a65b5

        SHA256

        803946c2712aec2b60b54b3cd7c3375a9a0158e7ccbfbd4ab8a66e6ddfc7d463

        SHA512

        65e74527ffa9d6e776d063db44322080315a5a9eb13bb67acd61be6e65862ec127366d742beca349c7ca8281e2f67193bafc14c8c0ee3f222b19b452d05c8491

      • C:\Users\Admin\AppData\Local\Temp\u268.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2616-65-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2616-53-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2816-36-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2816-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/2816-2-0x00000000041C0000-0x000000000422C000-memory.dmp

        Filesize

        432KB

      • memory/2816-1-0x0000000002720000-0x0000000002820000-memory.dmp

        Filesize

        1024KB

      • memory/2816-34-0x0000000000400000-0x0000000002597000-memory.dmp

        Filesize

        33.6MB

      • memory/2940-13-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/2940-17-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/2940-14-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/2940-104-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/2940-102-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/2940-100-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/2940-98-0x0000000000400000-0x0000000002574000-memory.dmp

        Filesize

        33.5MB

      • memory/3024-75-0x0000016728050000-0x0000016728102000-memory.dmp

        Filesize

        712KB

      • memory/3024-86-0x000001672C4C0000-0x000001672C4CE000-memory.dmp

        Filesize

        56KB

      • memory/3024-73-0x000001670DB20000-0x000001670DB2A000-memory.dmp

        Filesize

        40KB

      • memory/3024-74-0x0000016726490000-0x00000167264BA000-memory.dmp

        Filesize

        168KB

      • memory/3024-71-0x000001670DAA0000-0x000001670DAB4000-memory.dmp

        Filesize

        80KB

      • memory/3024-76-0x0000016728150000-0x00000167281A0000-memory.dmp

        Filesize

        320KB

      • memory/3024-77-0x00000167281A0000-0x00000167281C2000-memory.dmp

        Filesize

        136KB

      • memory/3024-78-0x000001670DB30000-0x000001670DB3A000-memory.dmp

        Filesize

        40KB

      • memory/3024-82-0x00000167281D0000-0x00000167284D0000-memory.dmp

        Filesize

        3.0MB

      • memory/3024-84-0x000001672CBB0000-0x000001672CBB8000-memory.dmp

        Filesize

        32KB

      • memory/3024-85-0x000001672C4F0000-0x000001672C528000-memory.dmp

        Filesize

        224KB

      • memory/3024-72-0x000001670DB00000-0x000001670DB24000-memory.dmp

        Filesize

        144KB

      • memory/3024-87-0x000001672C4E0000-0x000001672C4E8000-memory.dmp

        Filesize

        32KB

      • memory/3024-88-0x000001672D660000-0x000001672D66A000-memory.dmp

        Filesize

        40KB

      • memory/3024-89-0x000001672D680000-0x000001672D6E2000-memory.dmp

        Filesize

        392KB

      • memory/3024-90-0x000001672D6E0000-0x000001672D702000-memory.dmp

        Filesize

        136KB

      • memory/3024-91-0x000001672DC30000-0x000001672E158000-memory.dmp

        Filesize

        5.2MB

      • memory/3024-94-0x000001672D3E0000-0x000001672D3EC000-memory.dmp

        Filesize

        48KB

      • memory/3024-95-0x000001672D4C0000-0x000001672D536000-memory.dmp

        Filesize

        472KB

      • memory/3024-96-0x000001672D420000-0x000001672D43E000-memory.dmp

        Filesize

        120KB

      • memory/3024-70-0x000001670DAB0000-0x000001670DABC000-memory.dmp

        Filesize

        48KB

      • memory/3024-69-0x000001670DA80000-0x000001670DA90000-memory.dmp

        Filesize

        64KB

      • memory/3024-68-0x0000016727E00000-0x0000016727F0A000-memory.dmp

        Filesize

        1.0MB

      • memory/3024-66-0x0000016708610000-0x000001670BE44000-memory.dmp

        Filesize

        56.2MB