Analysis

  • max time kernel
    137s
  • max time network
    139s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    05-05-2024 17:24

General

  • Target

    f000cf9df04caf982a587f04d727fad5be0716146827a46e9e3cdc299952829d.exe

  • Size

    406KB

  • MD5

    8c119343e6bf0180eebef7023c6dd30a

  • SHA1

    edd4dbb9fe569cdf6bd427c4397005876ccca575

  • SHA256

    f000cf9df04caf982a587f04d727fad5be0716146827a46e9e3cdc299952829d

  • SHA512

    4e890229827cf489b0fbc917a688bba239e635e6a53f05b3c55186bd564f06d0e71bde53311be312056fb4382c7c623cc0eb0326aa66f579a68aecf46c2c6c8d

  • SSDEEP

    6144:cGGgSwmijoz/lKRqjAMR2lnaID8lGQfVhW9N1:Qg7LjItKQMi1O8lbS/1

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
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 25 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\f000cf9df04caf982a587f04d727fad5be0716146827a46e9e3cdc299952829d.exe
    "C:\Users\Admin\AppData\Local\Temp\f000cf9df04caf982a587f04d727fad5be0716146827a46e9e3cdc299952829d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Local\Temp\u1jg.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1jg.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3204
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 2200
        3⤵
        • Program crash
        PID:1176
    • C:\Users\Admin\AppData\Local\Temp\u1jg.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1jg.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2940
      • 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:1920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 1528
      2⤵
      • Program crash
      PID:4524
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1996 -ip 1996
    1⤵
      PID:1400
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3204 -ip 3204
      1⤵
        PID:2380

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Are.docx

        Filesize

        11KB

        MD5

        a33e5b189842c5867f46566bdbf7a095

        SHA1

        e1c06359f6a76da90d19e8fd95e79c832edb3196

        SHA256

        5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

        SHA512

        f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

      • C:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        3KB

        MD5

        6663799973ab1b0181a290e04cc1b310

        SHA1

        35ff8b253407f7b0e7783642e6a9f7941a514cd4

        SHA256

        bfa1722d240852ace897b8b18b0af9680cbb3a86e8bb10d3c4ca6bc18d3b8f44

        SHA512

        bb6e29c2f23d2dc07771f144c4190df81cca70c6017d122b11ed1c94220566c62bf0158657e8e0a6851a76e918197e44fe1c12be7164e19f56781fc6c55830e4

      • C:\Users\Admin\AppData\Local\Temp\u1jg.0.exe

        Filesize

        274KB

        MD5

        72650f024358627e959b3e486b30471e

        SHA1

        ff2dd1495fa40008354f3f5b16a51125dc6a56fe

        SHA256

        5d0d85b7fa9992568b57bc90e3e4407d6903388623b7cae8683d04a2c46a62d2

        SHA512

        5f55f6707df28ea668f9edbaf0039ff48acf1f42728ef7dfb455f2e97a757dd7781e962cc6a83070602e0ab3384219bc39832b7af28db2ac8307f5027c9b2aa3

      • C:\Users\Admin\AppData\Local\Temp\u1jg.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1920-85-0x000002E6785F0000-0x000002E678B18000-memory.dmp

        Filesize

        5.2MB

      • memory/1920-74-0x000002E658DB0000-0x000002E658DBA000-memory.dmp

        Filesize

        40KB

      • memory/1920-91-0x000002E677EF0000-0x000002E677F0E000-memory.dmp

        Filesize

        120KB

      • memory/1920-90-0x000002E677EC0000-0x000002E677EE2000-memory.dmp

        Filesize

        136KB

      • memory/1920-88-0x000002E677E70000-0x000002E677EC0000-memory.dmp

        Filesize

        320KB

      • memory/1920-62-0x000002E654E00000-0x000002E6586F8000-memory.dmp

        Filesize

        57.0MB

      • memory/1920-63-0x000002E672F40000-0x000002E673050000-memory.dmp

        Filesize

        1.1MB

      • memory/1920-65-0x000002E65A510000-0x000002E65A51C000-memory.dmp

        Filesize

        48KB

      • memory/1920-64-0x000002E658C00000-0x000002E658C10000-memory.dmp

        Filesize

        64KB

      • memory/1920-66-0x000002E658DD0000-0x000002E658DE4000-memory.dmp

        Filesize

        80KB

      • memory/1920-67-0x000002E672D40000-0x000002E672D64000-memory.dmp

        Filesize

        144KB

      • memory/1920-68-0x000002E672E70000-0x000002E672E7A000-memory.dmp

        Filesize

        40KB

      • memory/1920-69-0x000002E672E80000-0x000002E672F32000-memory.dmp

        Filesize

        712KB

      • memory/1920-71-0x000002E673230000-0x000002E6732AA000-memory.dmp

        Filesize

        488KB

      • memory/1920-72-0x000002E6732B0000-0x000002E673312000-memory.dmp

        Filesize

        392KB

      • memory/1920-70-0x000002E673060000-0x000002E67308A000-memory.dmp

        Filesize

        168KB

      • memory/1920-73-0x000002E673390000-0x000002E673406000-memory.dmp

        Filesize

        472KB

      • memory/1920-89-0x000002E677E20000-0x000002E677E2C000-memory.dmp

        Filesize

        48KB

      • memory/1920-78-0x000002E673410000-0x000002E673710000-memory.dmp

        Filesize

        3.0MB

      • memory/1920-80-0x000002E6777B0000-0x000002E6777B8000-memory.dmp

        Filesize

        32KB

      • memory/1920-82-0x000002E677700000-0x000002E67770E000-memory.dmp

        Filesize

        56KB

      • memory/1920-81-0x000002E677730000-0x000002E677768000-memory.dmp

        Filesize

        224KB

      • memory/1920-84-0x000002E6780A0000-0x000002E6780C2000-memory.dmp

        Filesize

        136KB

      • memory/1920-83-0x000002E677E00000-0x000002E677E0A000-memory.dmp

        Filesize

        40KB

      • memory/1996-1-0x0000000002D60000-0x0000000002E60000-memory.dmp

        Filesize

        1024KB

      • memory/1996-32-0x0000000000400000-0x0000000002B23000-memory.dmp

        Filesize

        39.1MB

      • memory/1996-33-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1996-5-0x0000000000400000-0x0000000002B23000-memory.dmp

        Filesize

        39.1MB

      • memory/1996-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1996-2-0x0000000004870000-0x00000000048DC000-memory.dmp

        Filesize

        432KB

      • memory/2940-61-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2940-51-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3204-93-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/3204-94-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3204-136-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB

      • memory/3204-165-0x0000000000400000-0x0000000002B02000-memory.dmp

        Filesize

        39.0MB