Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 15:31

General

  • Target

    97de86cf1f71a4c6277f22f6c1522ae08487e0923223bf813e8f82b80906a94a.exe

  • Size

    372KB

  • MD5

    d04c01d9a53e7998b4c1644f1ec51e36

  • SHA1

    03f8170e863de0d45fe8189d27fe93169e89b7f1

  • SHA256

    97de86cf1f71a4c6277f22f6c1522ae08487e0923223bf813e8f82b80906a94a

  • SHA512

    cbf8271239e9500dc7b165938ae80dcdb8075ee0c00cc89f89a6fb935261953a5867d0d74d645bdcec5c8036625ca8c6811ca34813beb1fd0fb72a6f464c0772

  • SSDEEP

    6144:2340bT53/l0SfFOzHlVTAThxgDxHZLdqUItnYNiL+oprkTmRAehzTtvV:2340N9FfFoHv2gDxyTAW+odkTmZtBV

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 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\97de86cf1f71a4c6277f22f6c1522ae08487e0923223bf813e8f82b80906a94a.exe
    "C:\Users\Admin\AppData\Local\Temp\97de86cf1f71a4c6277f22f6c1522ae08487e0923223bf813e8f82b80906a94a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1404
    • C:\Users\Admin\AppData\Local\Temp\u130.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u130.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2216
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 2448
        3⤵
        • Program crash
        PID:2004
    • C:\Users\Admin\AppData\Local\Temp\u130.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u130.1.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:3164
      • 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:4332
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 968
      2⤵
      • Program crash
      PID:3504
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1404 -ip 1404
    1⤵
      PID:4440
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2216 -ip 2216
      1⤵
        PID:4640

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • 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

        cb49f5493c42539a02d84d9ad64d37a6

        SHA1

        64024d0043a22977f561c3c11e556f217ab88739

        SHA256

        896067aaf3714fcfb6bd0f8b295c99820f311d28d161af06965fa6d3f6bb4a9b

        SHA512

        3d14bb5dd627879761428f27ff009aeef8f8891f459a5daefff59fac4187bb0dd1f62c26fdddba080d6df60f3de8b5c3223cbfa04a2f282862f3915da846ad20

      • C:\Users\Admin\AppData\Local\Temp\u130.0.exe

        Filesize

        231KB

        MD5

        8d1595054640e63c3ccc451b1454af73

        SHA1

        d3e67396b4afd81aeb7bf463e5c9dc654169fd7e

        SHA256

        b006c572d41bca024db5423a3ed281068ac751704ecfb558ec7866341559b628

        SHA512

        35d5b8ba33f1526148cf6c3e03b7e9c26738d596522ac923dd747a74eaeace0ef872b3ee69689ad110d5ffb4018489c000819e7862e72f6738369c745ccd3b76

      • C:\Users\Admin\AppData\Local\Temp\u130.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1404-82-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1404-80-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/1404-2-0x0000000004200000-0x000000000426C000-memory.dmp

        Filesize

        432KB

      • memory/1404-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/1404-13-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/1404-15-0x0000000002690000-0x0000000002790000-memory.dmp

        Filesize

        1024KB

      • memory/1404-62-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/1404-1-0x0000000002690000-0x0000000002790000-memory.dmp

        Filesize

        1024KB

      • memory/1404-81-0x0000000004200000-0x000000000426C000-memory.dmp

        Filesize

        432KB

      • memory/2216-14-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2216-83-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2216-19-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2216-17-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2216-109-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2216-16-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2216-178-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2216-169-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/3164-102-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3164-136-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/4332-143-0x0000020F32F90000-0x0000020F32FA0000-memory.dmp

        Filesize

        64KB

      • memory/4332-144-0x0000020F32FE0000-0x0000020F32FEC000-memory.dmp

        Filesize

        48KB

      • memory/4332-145-0x0000020F32FD0000-0x0000020F32FE4000-memory.dmp

        Filesize

        80KB

      • memory/4332-146-0x0000020F34940000-0x0000020F34964000-memory.dmp

        Filesize

        144KB

      • memory/4332-147-0x0000020F34960000-0x0000020F3496A000-memory.dmp

        Filesize

        40KB

      • memory/4332-148-0x0000020F34CF0000-0x0000020F34D1A000-memory.dmp

        Filesize

        168KB

      • memory/4332-149-0x0000020F34D20000-0x0000020F34DD2000-memory.dmp

        Filesize

        712KB

      • memory/4332-150-0x0000020F34E20000-0x0000020F34E70000-memory.dmp

        Filesize

        320KB

      • memory/4332-151-0x0000020F34E70000-0x0000020F34E92000-memory.dmp

        Filesize

        136KB

      • memory/4332-152-0x0000020F34970000-0x0000020F3497A000-memory.dmp

        Filesize

        40KB

      • memory/4332-156-0x0000020F34EA0000-0x0000020F351A0000-memory.dmp

        Filesize

        3.0MB

      • memory/4332-158-0x0000020F392C0000-0x0000020F392C8000-memory.dmp

        Filesize

        32KB

      • memory/4332-159-0x0000020F39240000-0x0000020F39278000-memory.dmp

        Filesize

        224KB

      • memory/4332-160-0x0000020F39210000-0x0000020F3921E000-memory.dmp

        Filesize

        56KB

      • memory/4332-161-0x0000020F39230000-0x0000020F39238000-memory.dmp

        Filesize

        32KB

      • memory/4332-162-0x0000020F3A370000-0x0000020F3A37A000-memory.dmp

        Filesize

        40KB

      • memory/4332-163-0x0000020F3A390000-0x0000020F3A3F2000-memory.dmp

        Filesize

        392KB

      • memory/4332-164-0x0000020F3A3F0000-0x0000020F3A412000-memory.dmp

        Filesize

        136KB

      • memory/4332-165-0x0000020F3A940000-0x0000020F3AE68000-memory.dmp

        Filesize

        5.2MB

      • memory/4332-168-0x0000020F3A0F0000-0x0000020F3A0FC000-memory.dmp

        Filesize

        48KB

      • memory/4332-142-0x0000020F34AA0000-0x0000020F34BAA000-memory.dmp

        Filesize

        1.0MB

      • memory/4332-170-0x0000020F3A1D0000-0x0000020F3A246000-memory.dmp

        Filesize

        472KB

      • memory/4332-171-0x0000020F3A130000-0x0000020F3A14E000-memory.dmp

        Filesize

        120KB

      • memory/4332-141-0x0000020F15320000-0x0000020F18B54000-memory.dmp

        Filesize

        56.2MB