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Analysis

  • max time kernel
    130s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/05/2024, 09:06

General

  • Target

    1f9bb64c03784d72a65182024ef3a57204d5335e99f2c6d2c3d7babde1c3a50e.exe

  • Size

    387KB

  • MD5

    5efbed893c9af6ae0042d0b8b2c2d090

  • SHA1

    5371b9c6b3e76f0db786ae51d6aee604efb076c0

  • SHA256

    1f9bb64c03784d72a65182024ef3a57204d5335e99f2c6d2c3d7babde1c3a50e

  • SHA512

    0e8160f27770d699964b2a4020ae67290aa682f471a03a0a7289ac701e5238c2004a447ccf0e1088c88cb6cc1e19e30997dacf3207c87b20b0533ffe21ac1f82

  • SSDEEP

    6144:HclsoLz0jzrOMX0kEwzU31zImLUKkOFyV9WYpcAjTPP:Hclso/0PriWi1zImobQ+XPP

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 23 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\1f9bb64c03784d72a65182024ef3a57204d5335e99f2c6d2c3d7babde1c3a50e.exe
    "C:\Users\Admin\AppData\Local\Temp\1f9bb64c03784d72a65182024ef3a57204d5335e99f2c6d2c3d7babde1c3a50e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:876
    • C:\Users\Admin\AppData\Local\Temp\uoc.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uoc.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:632
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 2372
        3⤵
        • Program crash
        PID:2668
    • C:\Users\Admin\AppData\Local\Temp\uoc.1.exe
      "C:\Users\Admin\AppData\Local\Temp\uoc.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:3560
      • 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:4228
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 876 -s 1188
      2⤵
      • Program crash
      PID:3376
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 876 -ip 876
    1⤵
      PID:988
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 632 -ip 632
      1⤵
        PID:4456

      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

        e209f34cb300d97c97c1bcea73f785f8

        SHA1

        7cf772256ee81d0868140de9e71c3eb4a84073b7

        SHA256

        0b7e569268af445669f7598f2a29f80bf53d39eb9c451e754c69b281c73a3ebe

        SHA512

        b58eb5a5d89af2c940f2e3c7fe1e6cb3d8a200538ab8b576264853bc990ddf5ad75e283f158af5d4c6b09f17082a0b920009e489db3c8ab9d72a48a5b669e273

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

        Filesize

        245KB

        MD5

        e975a0eae2991f1e4c995d7a4e3ffd79

        SHA1

        90ca4c9586bf9d7a19312228b1fbba7dace29fc4

        SHA256

        b00335a75190fd3b930329adf19c93b483975cb24cc056bea62b0ef359abe3fa

        SHA512

        843e70b2ed07a7487c45471999cf521dd6d9e2049be013c2e57f0d6e14dfbda9cb97a324413d8bdcd13d3bf6e8f484f2ab89a541c92550f430d081e2434c919a

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

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/632-35-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/632-94-0x0000000000400000-0x000000000257A000-memory.dmp

        Filesize

        33.5MB

      • memory/632-129-0x0000000000400000-0x000000000257A000-memory.dmp

        Filesize

        33.5MB

      • memory/876-27-0x00000000041B0000-0x000000000421C000-memory.dmp

        Filesize

        432KB

      • memory/876-26-0x0000000000400000-0x000000000259D000-memory.dmp

        Filesize

        33.6MB

      • memory/876-28-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/876-1-0x0000000002600000-0x0000000002700000-memory.dmp

        Filesize

        1024KB

      • memory/876-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/876-2-0x00000000041B0000-0x000000000421C000-memory.dmp

        Filesize

        432KB

      • memory/3560-132-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3560-133-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4228-137-0x000002AFC4BD0000-0x000002AFC4BDC000-memory.dmp

        Filesize

        48KB

      • memory/4228-145-0x000002AFDEC00000-0x000002AFDEC0A000-memory.dmp

        Filesize

        40KB

      • memory/4228-136-0x000002AFC4BA0000-0x000002AFC4BB0000-memory.dmp

        Filesize

        64KB

      • memory/4228-134-0x000002AFBF4E0000-0x000002AFC2D14000-memory.dmp

        Filesize

        56.2MB

      • memory/4228-138-0x000002AFC4BC0000-0x000002AFC4BD4000-memory.dmp

        Filesize

        80KB

      • memory/4228-139-0x000002AFC4BE0000-0x000002AFC4C04000-memory.dmp

        Filesize

        144KB

      • memory/4228-140-0x000002AFC4C00000-0x000002AFC4C0A000-memory.dmp

        Filesize

        40KB

      • memory/4228-141-0x000002AFDEEC0000-0x000002AFDEEEA000-memory.dmp

        Filesize

        168KB

      • memory/4228-142-0x000002AFDEEF0000-0x000002AFDEFA2000-memory.dmp

        Filesize

        712KB

      • memory/4228-143-0x000002AFDEFF0000-0x000002AFDF040000-memory.dmp

        Filesize

        320KB

      • memory/4228-144-0x000002AFDF040000-0x000002AFDF062000-memory.dmp

        Filesize

        136KB

      • memory/4228-135-0x000002AFDEAF0000-0x000002AFDEBFA000-memory.dmp

        Filesize

        1.0MB

      • memory/4228-149-0x000002AFDF070000-0x000002AFDF370000-memory.dmp

        Filesize

        3.0MB

      • memory/4228-151-0x000002AFE3A80000-0x000002AFE3A88000-memory.dmp

        Filesize

        32KB

      • memory/4228-152-0x000002AFE33C0000-0x000002AFE33F8000-memory.dmp

        Filesize

        224KB

      • memory/4228-153-0x000002AFE3390000-0x000002AFE339E000-memory.dmp

        Filesize

        56KB

      • memory/4228-154-0x000002AFE33B0000-0x000002AFE33B8000-memory.dmp

        Filesize

        32KB

      • memory/4228-155-0x000002AFE4530000-0x000002AFE453A000-memory.dmp

        Filesize

        40KB

      • memory/4228-156-0x000002AFE4550000-0x000002AFE45B2000-memory.dmp

        Filesize

        392KB

      • memory/4228-157-0x000002AFE45B0000-0x000002AFE45D2000-memory.dmp

        Filesize

        136KB

      • memory/4228-158-0x000002AFE4B00000-0x000002AFE5028000-memory.dmp

        Filesize

        5.2MB

      • memory/4228-161-0x000002AFE42B0000-0x000002AFE42BC000-memory.dmp

        Filesize

        48KB

      • memory/4228-162-0x000002AFE4390000-0x000002AFE4406000-memory.dmp

        Filesize

        472KB

      • memory/4228-163-0x000002AFE42F0000-0x000002AFE430E000-memory.dmp

        Filesize

        120KB