Analysis

  • max time kernel
    125s
  • max time network
    128s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-05-2024 13:06

General

  • Target

    3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe

  • Size

    373KB

  • MD5

    ea05924e4445087f0bbacd8eee4aba72

  • SHA1

    c99b3ff32ae7493377de5a1b323ac6061af17064

  • SHA256

    3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258

  • SHA512

    12a5c51c9b0d907fd7628eac2062a036b65aa9fb11bbb473a8a7e801f65e9c9fdcdaa156e033791f3d51a861b23faa6424201e3579b3332d574307d3e7c3ae33

  • SSDEEP

    6144:9Fse/HAftZpz74YMJdnm4RCvC37dmHMnTPjfrrRpX7zWXIyI32Tc2dI7a:9FseItZpz7FOm4IqmM7jf7Lz+IyxJua

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 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\3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe
    "C:\Users\Admin\AppData\Local\Temp\3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4440
    • C:\Users\Admin\AppData\Local\Temp\u3fc.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3fc.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 2088
        3⤵
        • Program crash
        PID:1164
    • C:\Users\Admin\AppData\Local\Temp\u3fc.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3fc.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:660
      • 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:2780
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 984
      2⤵
      • Program crash
      PID:2072
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4440 -ip 4440
    1⤵
      PID:4844
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2104 -ip 2104
      1⤵
        PID:3336

      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

        edc037a7cd0aa171f05624a5039ec4ab

        SHA1

        ea1fba688dacfcc2f5e2b47cbafae9d8fe9e56f7

        SHA256

        f16af2555b6dea260a881e0ade7bb215942a23c6c1a10550e5fd4499bdf29dac

        SHA512

        51707a2fc372b294b0bc2f0c7b7948965b006ac78be31ff433b7da660f0f4a4bbba36c17a7982abd54ef60b33a5b129865e65dd3b6c9992d450bfe38e2d8b0a3

      • C:\Users\Admin\AppData\Local\Temp\u3fc.0.exe

        Filesize

        231KB

        MD5

        8d1595054640e63c3ccc451b1454af73

        SHA1

        d3e67396b4afd81aeb7bf463e5c9dc654169fd7e

        SHA256

        b006c572d41bca024db5423a3ed281068ac751704ecfb558ec7866341559b628

        SHA512

        35d5b8ba33f1526148cf6c3e03b7e9c26738d596522ac923dd747a74eaeace0ef872b3ee69689ad110d5ffb4018489c000819e7862e72f6738369c745ccd3b76

      • C:\Users\Admin\AppData\Local\Temp\u3fc.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/660-131-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/660-119-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2104-118-0x0000000000400000-0x0000000002576000-memory.dmp

        Filesize

        33.5MB

      • memory/2104-33-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2780-134-0x0000023919460000-0x0000023919470000-memory.dmp

        Filesize

        64KB

      • memory/2780-154-0x0000023938680000-0x00000239386E2000-memory.dmp

        Filesize

        392KB

      • memory/2780-161-0x00000239389A0000-0x00000239389BE000-memory.dmp

        Filesize

        120KB

      • memory/2780-160-0x0000023938A40000-0x0000023938AB6000-memory.dmp

        Filesize

        472KB

      • memory/2780-159-0x00000239386E0000-0x00000239386EC000-memory.dmp

        Filesize

        48KB

      • memory/2780-132-0x00000239157D0000-0x0000023919004000-memory.dmp

        Filesize

        56.2MB

      • memory/2780-133-0x00000239339A0000-0x0000023933AAA000-memory.dmp

        Filesize

        1.0MB

      • memory/2780-135-0x00000239334F0000-0x00000239334FC000-memory.dmp

        Filesize

        48KB

      • memory/2780-156-0x0000023938C20000-0x0000023939148000-memory.dmp

        Filesize

        5.2MB

      • memory/2780-136-0x000002391ACF0000-0x000002391AD04000-memory.dmp

        Filesize

        80KB

      • memory/2780-137-0x0000023933550000-0x0000023933574000-memory.dmp

        Filesize

        144KB

      • memory/2780-138-0x0000023933580000-0x000002393358A000-memory.dmp

        Filesize

        40KB

      • memory/2780-139-0x00000239336C0000-0x00000239336EA000-memory.dmp

        Filesize

        168KB

      • memory/2780-140-0x00000239336F0000-0x00000239337A2000-memory.dmp

        Filesize

        712KB

      • memory/2780-141-0x0000023933900000-0x0000023933950000-memory.dmp

        Filesize

        320KB

      • memory/2780-142-0x00000239338B0000-0x00000239338D2000-memory.dmp

        Filesize

        136KB

      • memory/2780-143-0x000002391ACD0000-0x000002391ACDA000-memory.dmp

        Filesize

        40KB

      • memory/2780-147-0x0000023933C00000-0x0000023933F00000-memory.dmp

        Filesize

        3.0MB

      • memory/2780-149-0x0000023933980000-0x0000023933988000-memory.dmp

        Filesize

        32KB

      • memory/2780-150-0x0000023937F70000-0x0000023937FA8000-memory.dmp

        Filesize

        224KB

      • memory/2780-151-0x0000023937F40000-0x0000023937F4E000-memory.dmp

        Filesize

        56KB

      • memory/2780-152-0x0000023937F60000-0x0000023937F68000-memory.dmp

        Filesize

        32KB

      • memory/2780-153-0x0000023938640000-0x000002393864A000-memory.dmp

        Filesize

        40KB

      • memory/2780-155-0x0000023938650000-0x0000023938672000-memory.dmp

        Filesize

        136KB

      • memory/4440-26-0x0000000000400000-0x0000000002599000-memory.dmp

        Filesize

        33.6MB

      • memory/4440-1-0x00000000026E0000-0x00000000027E0000-memory.dmp

        Filesize

        1024KB

      • memory/4440-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/4440-2-0x00000000042D0000-0x000000000433C000-memory.dmp

        Filesize

        432KB

      • memory/4440-27-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB