Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 20:45

General

  • Target

    b11b35effbc93db28b32a4173aedc698a9c9f154cfc59cbd71e43fe5819840e9.exe

  • Size

    448KB

  • MD5

    9e5badc8ed2bec98e77e6033027df2fc

  • SHA1

    0b2dea61727bc6234b068f6e93e630f2ca47dcba

  • SHA256

    b11b35effbc93db28b32a4173aedc698a9c9f154cfc59cbd71e43fe5819840e9

  • SHA512

    3de6b4cce23e0abd1791e053061f5a91374e76773b2b5e02f9eda0c1acabb1f8be4d7daa0aae356f405c1ab52dba602e22b63d0fa33563ab150bfeeef34756d6

  • SSDEEP

    6144:Uh8HJFQ69AO9P34hj0xRvKxeeggn0TKQD3yKI28i79Qhs/7doycrBLf:xpH9AUwaxRiTx093884shoy2BLf

Score
10/10

Malware Config

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
  • 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.

  • 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\b11b35effbc93db28b32a4173aedc698a9c9f154cfc59cbd71e43fe5819840e9.exe
    "C:\Users\Admin\AppData\Local\Temp\b11b35effbc93db28b32a4173aedc698a9c9f154cfc59cbd71e43fe5819840e9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4992
    • C:\Users\Admin\AppData\Local\Temp\u3uo.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3uo.0.exe"
      2⤵
      • Executes dropped EXE
      PID:2780
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 1276
        3⤵
        • Program crash
        PID:2892
    • C:\Users\Admin\AppData\Local\Temp\u3uo.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3uo.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:1416
      • 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:1092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 1556
      2⤵
      • Program crash
      PID:2432
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2780 -ip 2780
    1⤵
      PID:4416
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4992 -ip 4992
      1⤵
        PID:3488

      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

        5155323ebe05d6278082c230e51d009f

        SHA1

        fb6316e84c7850cdae2c4205f07e306f7ed56362

        SHA256

        fc338bbc4870a6e3222017fba95d99cdb86d048bff339eb8122de391697ab4c6

        SHA512

        9700e7c53bb2bd9cece018f8d6b61ed708eaa6f8c3f10a2d2ddfc90ebf64797512fe6c8edff8e466cc53ae23b0d27c4533bd8a1bb755b906a069e170e089958e

      • C:\Users\Admin\AppData\Local\Temp\u3uo.0.exe

        Filesize

        306KB

        MD5

        942f4c9696a776e6982bee3434d31345

        SHA1

        06ec5f2a44506b3bb4749cbeea3496647379306f

        SHA256

        1c610b04cd3adc13e35f85762a1167cd99b5a3072e6f6b0c823758da3847b357

        SHA512

        a213d68103ffb223705676329a6cf29ef3a0fae253304f67f74d58a8ae47d6659961b3a23ca50c8221abd9241e02d56f6f6d3aa23a1942af84e2d7bb7c2ed51b

      • C:\Users\Admin\AppData\Local\Temp\u3uo.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1092-91-0x0000016AD8F40000-0x0000016AD8F4E000-memory.dmp

        Filesize

        56KB

      • memory/1092-92-0x0000016ADA0C0000-0x0000016ADA0CA000-memory.dmp

        Filesize

        40KB

      • memory/1092-105-0x0000016AD4640000-0x0000016AD4650000-memory.dmp

        Filesize

        64KB

      • memory/1092-104-0x0000016AD4640000-0x0000016AD4650000-memory.dmp

        Filesize

        64KB

      • memory/1092-103-0x0000016AD4640000-0x0000016AD4650000-memory.dmp

        Filesize

        64KB

      • memory/1092-102-0x00007FF921210000-0x00007FF921CD1000-memory.dmp

        Filesize

        10.8MB

      • memory/1092-100-0x0000016AD9F30000-0x0000016AD9F4E000-memory.dmp

        Filesize

        120KB

      • memory/1092-99-0x0000016AD9F00000-0x0000016AD9F22000-memory.dmp

        Filesize

        136KB

      • memory/1092-98-0x0000016AD9E60000-0x0000016AD9E6C000-memory.dmp

        Filesize

        48KB

      • memory/1092-97-0x0000016AD9EB0000-0x0000016AD9F00000-memory.dmp

        Filesize

        320KB

      • memory/1092-94-0x0000016ADA600000-0x0000016ADAB28000-memory.dmp

        Filesize

        5.2MB

      • memory/1092-93-0x0000016AD9E40000-0x0000016AD9E62000-memory.dmp

        Filesize

        136KB

      • memory/1092-77-0x0000016AD4A60000-0x0000016AD4B12000-memory.dmp

        Filesize

        712KB

      • memory/1092-78-0x0000016AD4B10000-0x0000016AD4B8A000-memory.dmp

        Filesize

        488KB

      • memory/1092-68-0x0000016AB4EE0000-0x0000016AB87D8000-memory.dmp

        Filesize

        57.0MB

      • memory/1092-76-0x0000016AD4670000-0x0000016AD469A000-memory.dmp

        Filesize

        168KB

      • memory/1092-70-0x0000016AD4810000-0x0000016AD4920000-memory.dmp

        Filesize

        1.1MB

      • memory/1092-72-0x0000016AD2D40000-0x0000016AD2D4C000-memory.dmp

        Filesize

        48KB

      • memory/1092-71-0x0000016ABA540000-0x0000016ABA550000-memory.dmp

        Filesize

        64KB

      • memory/1092-73-0x0000016AD2D30000-0x0000016AD2D44000-memory.dmp

        Filesize

        80KB

      • memory/1092-74-0x0000016AD2D60000-0x0000016AD2D84000-memory.dmp

        Filesize

        144KB

      • memory/1092-75-0x0000016AD45F0000-0x0000016AD45FA000-memory.dmp

        Filesize

        40KB

      • memory/1092-90-0x0000016AD8F70000-0x0000016AD8FA8000-memory.dmp

        Filesize

        224KB

      • memory/1092-69-0x0000016AD4640000-0x0000016AD4650000-memory.dmp

        Filesize

        64KB

      • memory/1092-67-0x00007FF921210000-0x00007FF921CD1000-memory.dmp

        Filesize

        10.8MB

      • memory/1092-79-0x0000016AD46A0000-0x0000016AD4702000-memory.dmp

        Filesize

        392KB

      • memory/1092-80-0x0000016AD4C10000-0x0000016AD4C86000-memory.dmp

        Filesize

        472KB

      • memory/1092-81-0x0000016AD2D10000-0x0000016AD2D1A000-memory.dmp

        Filesize

        40KB

      • memory/1092-85-0x0000016AD4C90000-0x0000016AD4F90000-memory.dmp

        Filesize

        3.0MB

      • memory/1092-87-0x0000016AD4640000-0x0000016AD4650000-memory.dmp

        Filesize

        64KB

      • memory/1092-88-0x0000016AD4640000-0x0000016AD4650000-memory.dmp

        Filesize

        64KB

      • memory/1092-89-0x0000016AD4C00000-0x0000016AD4C08000-memory.dmp

        Filesize

        32KB

      • memory/1416-55-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1416-26-0x0000000002640000-0x0000000002641000-memory.dmp

        Filesize

        4KB

      • memory/1416-66-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/1416-38-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2780-15-0x0000000000400000-0x0000000002D2B000-memory.dmp

        Filesize

        41.2MB

      • memory/2780-13-0x00000000030D0000-0x00000000031D0000-memory.dmp

        Filesize

        1024KB

      • memory/2780-36-0x0000000000400000-0x0000000002D2B000-memory.dmp

        Filesize

        41.2MB

      • memory/2780-14-0x0000000002E80000-0x0000000002EA7000-memory.dmp

        Filesize

        156KB

      • memory/4992-37-0x0000000004B00000-0x0000000004B6C000-memory.dmp

        Filesize

        432KB

      • memory/4992-2-0x0000000004B00000-0x0000000004B6C000-memory.dmp

        Filesize

        432KB

      • memory/4992-35-0x0000000000400000-0x0000000002D4E000-memory.dmp

        Filesize

        41.3MB

      • memory/4992-1-0x0000000002F60000-0x0000000003060000-memory.dmp

        Filesize

        1024KB

      • memory/4992-3-0x0000000000400000-0x0000000002D4E000-memory.dmp

        Filesize

        41.3MB