Analysis

  • max time kernel
    142s
  • max time network
    147s
  • 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 05:33

General

  • Target

    1e7e29f84233f8aa853f3d1c85c4c2eae460930928e98c5fc98cc86efd3cf314.exe

  • Size

    371KB

  • MD5

    e6eed9679b179e860c5c82fc27834af4

  • SHA1

    7954ed118d724c11efa4e683449c60ebd66aeb2c

  • SHA256

    1e7e29f84233f8aa853f3d1c85c4c2eae460930928e98c5fc98cc86efd3cf314

  • SHA512

    4762792a2b1821eb2800be5c933c55126fa30c1a0efe4008bc1ecd504ba7a874648533fce750e3738617ba708f8719ad2abe9b05adbb273b68950dbd66bf5274

  • SSDEEP

    6144:aURdZSI5nrUscjLhfKpWrx+5nvyIuT/GODYYTJm/:aU7ZSI5ELkpixsnluT/GOnk/

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\1e7e29f84233f8aa853f3d1c85c4c2eae460930928e98c5fc98cc86efd3cf314.exe
    "C:\Users\Admin\AppData\Local\Temp\1e7e29f84233f8aa853f3d1c85c4c2eae460930928e98c5fc98cc86efd3cf314.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4744
    • C:\Users\Admin\AppData\Local\Temp\u3ns.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ns.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 2360
        3⤵
        • Program crash
        PID:712
    • C:\Users\Admin\AppData\Local\Temp\u3ns.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3ns.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:2336
      • 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:3152
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 1544
      2⤵
      • Program crash
      PID:3424
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4744 -ip 4744
    1⤵
      PID:776
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2704 -ip 2704
      1⤵
        PID:1480

      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

        2KB

        MD5

        6e86f07e63f31a52fd6ff0b3ad5d94ed

        SHA1

        ce2aa4c6b733d9e2b790dfef3127c457be858f65

        SHA256

        2fa0530cf819b3d22a4c87bd6fb2b0be2ed989b4b438bfe7dcbee143ddc55511

        SHA512

        225d7c20c343c0242dacbf12684e1ae3fff668864b1289a7177b6281f859e7ff6952a5def747f7ef58202d838820f2c3d28e284bf1512e1f55937e6ac5b52c0f

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

        Filesize

        3KB

        MD5

        8d10aec35d5ed32c7a2ed6955168de60

        SHA1

        138d100f71f7b11fffb5fff211d50c82cb0db376

        SHA256

        2b4ecf92788658a311134add598c8279e733ea035335ed5aa13a55a8443a0697

        SHA512

        5a25787a2c26266711c7b5cee047243719c52d8858265a2d1644c9e907b570e42c02a86639f1fc9c8fdecf6662e1318c522f62d638758c4cbd1eaa25315215b7

      • C:\Users\Admin\AppData\Local\Temp\u3ns.0.exe

        Filesize

        230KB

        MD5

        ccd572a3007d968e7fc7530b369bdcf6

        SHA1

        72e0464b18e45f75f194cc5ae6f7d59e2f2d8ca6

        SHA256

        84f2c0f4db7d4f3faf88fe9fb75829b4d480f936929591df7e5b22846dcb5777

        SHA512

        b977c3cabfce519c49dad3274c6927f03bec5b502d1bde6fbfc3ebe22880434c6bcb5a19f7d0987328ff71502642680b07cb89435f5a7aafb70261fd3c2b7ebc

      • C:\Users\Admin\AppData\Local\Temp\u3ns.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2336-60-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2336-61-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2704-86-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/2704-168-0x0000000000400000-0x0000000002575000-memory.dmp

        Filesize

        33.5MB

      • memory/2704-92-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/3152-70-0x000001F163760000-0x000001F16378A000-memory.dmp

        Filesize

        168KB

      • memory/3152-90-0x000001F168AA0000-0x000001F168AAC000-memory.dmp

        Filesize

        48KB

      • memory/3152-64-0x000001F149AD0000-0x000001F149AE0000-memory.dmp

        Filesize

        64KB

      • memory/3152-65-0x000001F149AF0000-0x000001F149AFC000-memory.dmp

        Filesize

        48KB

      • memory/3152-66-0x000001F149AE0000-0x000001F149AF4000-memory.dmp

        Filesize

        80KB

      • memory/3152-67-0x000001F162390000-0x000001F1623B4000-memory.dmp

        Filesize

        144KB

      • memory/3152-68-0x000001F149AB0000-0x000001F149ABA000-memory.dmp

        Filesize

        40KB

      • memory/3152-69-0x000001F163430000-0x000001F1634E2000-memory.dmp

        Filesize

        712KB

      • memory/3152-134-0x000001F168AE0000-0x000001F168AFE000-memory.dmp

        Filesize

        120KB

      • memory/3152-71-0x000001F1637E0000-0x000001F163830000-memory.dmp

        Filesize

        320KB

      • memory/3152-72-0x000001F163830000-0x000001F163852000-memory.dmp

        Filesize

        136KB

      • memory/3152-73-0x000001F149AC0000-0x000001F149ACA000-memory.dmp

        Filesize

        40KB

      • memory/3152-77-0x000001F163860000-0x000001F163B60000-memory.dmp

        Filesize

        3.0MB

      • memory/3152-79-0x000001F167500000-0x000001F167508000-memory.dmp

        Filesize

        32KB

      • memory/3152-80-0x000001F167C10000-0x000001F167C48000-memory.dmp

        Filesize

        224KB

      • memory/3152-81-0x000001F167BD0000-0x000001F167BDE000-memory.dmp

        Filesize

        56KB

      • memory/3152-82-0x000001F167BF0000-0x000001F167BF8000-memory.dmp

        Filesize

        32KB

      • memory/3152-84-0x000001F168D40000-0x000001F168DA2000-memory.dmp

        Filesize

        392KB

      • memory/3152-85-0x000001F168DA0000-0x000001F168DC2000-memory.dmp

        Filesize

        136KB

      • memory/3152-83-0x000001F168D20000-0x000001F168D2A000-memory.dmp

        Filesize

        40KB

      • memory/3152-62-0x000001F144580000-0x000001F147DB4000-memory.dmp

        Filesize

        56.2MB

      • memory/3152-87-0x000001F1692F0000-0x000001F169818000-memory.dmp

        Filesize

        5.2MB

      • memory/3152-63-0x000001F1634F0000-0x000001F1635FA000-memory.dmp

        Filesize

        1.0MB

      • memory/3152-91-0x000001F168B80000-0x000001F168BF6000-memory.dmp

        Filesize

        472KB

      • memory/4744-27-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/4744-1-0x0000000002690000-0x0000000002790000-memory.dmp

        Filesize

        1024KB

      • memory/4744-28-0x00000000041C0000-0x000000000422C000-memory.dmp

        Filesize

        432KB

      • memory/4744-29-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4744-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4744-2-0x00000000041C0000-0x000000000422C000-memory.dmp

        Filesize

        432KB