Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 12:34

General

  • Target

    98c560f2f93e76454fe15b03b90477f30f9f5592f98fc195cfffe12543be91f4.exe

  • Size

    373KB

  • MD5

    361d123bf50b551a95c5dccc08126c93

  • SHA1

    8fe66f0e1f3e3140a1ba56aa04c5919400795a8f

  • SHA256

    98c560f2f93e76454fe15b03b90477f30f9f5592f98fc195cfffe12543be91f4

  • SHA512

    ee03e3a7d589e14cec9ea33d8058b5c9f23f019cfc24e885a8c8d040e0db1473214ee8664b9720007a996cc6bea975ca7c915bf187189bcced531b6e38b2a06e

  • SSDEEP

    6144:Xm7tnXHiPWJ/b1ZPB66To26pxlW0BmbtKjCouJJtqOCFgqIt0TtMf:Xm7tnyOtb1ZZ66TrbqiIFGqmf

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
  • 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 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\98c560f2f93e76454fe15b03b90477f30f9f5592f98fc195cfffe12543be91f4.exe
    "C:\Users\Admin\AppData\Local\Temp\98c560f2f93e76454fe15b03b90477f30f9f5592f98fc195cfffe12543be91f4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1160
    • C:\Users\Admin\AppData\Local\Temp\uw8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uw8.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2704
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 2140
        3⤵
        • Program crash
        PID:2384
    • C:\Users\Admin\AppData\Local\Temp\uw8.1.exe
      "C:\Users\Admin\AppData\Local\Temp\uw8.1.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:2356
      • 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:1124
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1160 -s 1632
      2⤵
      • Program crash
      PID:4348
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1160 -ip 1160
    1⤵
      PID:3692
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2704 -ip 2704
      1⤵
        PID:3048

      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\uw8.0.exe

        Filesize

        231KB

        MD5

        879b731bc25ad06eea7282496b49363e

        SHA1

        b8d419721f28e130cce781e5968f40ac2c5e7456

        SHA256

        ab5ad9f5fd8938c963a1602539d2409a514f26e8263b9f424b3a79fc3632f98f

        SHA512

        6c69b11027063f24ee98c7202b4a8fd8c0cf023f4819231710c93707d2624127b41b8337f7a7e7de45d8c9b2b9ecf8e7c469b47ab1916c6468ab439a038b06c2

      • C:\Users\Admin\AppData\Local\Temp\uw8.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1124-148-0x000001DCFEB40000-0x000001DCFEB78000-memory.dmp

        Filesize

        224KB

      • memory/1124-151-0x000001DC9FAE0000-0x000001DC9FAEA000-memory.dmp

        Filesize

        40KB

      • memory/1124-164-0x000001DCFEB20000-0x000001DCFEB3E000-memory.dmp

        Filesize

        120KB

      • memory/1124-158-0x000001DCFEC50000-0x000001DCFECC6000-memory.dmp

        Filesize

        472KB

      • memory/1124-157-0x000001DC9FB10000-0x000001DC9FB1C000-memory.dmp

        Filesize

        48KB

      • memory/1124-154-0x000001DCA1130000-0x000001DCA1658000-memory.dmp

        Filesize

        5.2MB

      • memory/1124-153-0x000001DC9FAF0000-0x000001DC9FB12000-memory.dmp

        Filesize

        136KB

      • memory/1124-152-0x000001DCA0BA0000-0x000001DCA0C02000-memory.dmp

        Filesize

        392KB

      • memory/1124-150-0x000001DCFEA50000-0x000001DCFEA58000-memory.dmp

        Filesize

        32KB

      • memory/1124-110-0x000001DD00000000-0x000001DD03834000-memory.dmp

        Filesize

        56.2MB

      • memory/1124-149-0x000001DCFEA40000-0x000001DCFEA4E000-memory.dmp

        Filesize

        56KB

      • memory/1124-147-0x000001DCFEA30000-0x000001DCFEA38000-memory.dmp

        Filesize

        32KB

      • memory/1124-131-0x000001DC9B3A0000-0x000001DC9B4AA000-memory.dmp

        Filesize

        1.0MB

      • memory/1124-132-0x000001DC9A150000-0x000001DC9A160000-memory.dmp

        Filesize

        64KB

      • memory/1124-133-0x000001DC9AFE0000-0x000001DC9AFEC000-memory.dmp

        Filesize

        48KB

      • memory/1124-134-0x000001DC9AFD0000-0x000001DC9AFE4000-memory.dmp

        Filesize

        80KB

      • memory/1124-135-0x000001DC9B030000-0x000001DC9B054000-memory.dmp

        Filesize

        144KB

      • memory/1124-136-0x000001DC9B050000-0x000001DC9B05A000-memory.dmp

        Filesize

        40KB

      • memory/1124-137-0x000001DC9B070000-0x000001DC9B09A000-memory.dmp

        Filesize

        168KB

      • memory/1124-138-0x000001DC9B600000-0x000001DC9B6B2000-memory.dmp

        Filesize

        712KB

      • memory/1124-139-0x000001DCFEAB0000-0x000001DCFEB00000-memory.dmp

        Filesize

        320KB

      • memory/1124-140-0x000001DCFEA60000-0x000001DCFEA82000-memory.dmp

        Filesize

        136KB

      • memory/1124-141-0x000001DC9B060000-0x000001DC9B06A000-memory.dmp

        Filesize

        40KB

      • memory/1124-145-0x000001DC9B6B0000-0x000001DC9B9B0000-memory.dmp

        Filesize

        3.0MB

      • memory/1160-28-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/1160-1-0x00000000028E0000-0x00000000029E0000-memory.dmp

        Filesize

        1024KB

      • memory/1160-5-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/1160-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1160-30-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1160-2-0x0000000002820000-0x000000000288C000-memory.dmp

        Filesize

        432KB

      • memory/1160-29-0x0000000002820000-0x000000000288C000-memory.dmp

        Filesize

        432KB

      • memory/2356-106-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2356-89-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2704-50-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2704-51-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2704-159-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2704-67-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2704-179-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB