Analysis

  • max time kernel
    146s
  • max time network
    151s
  • 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 22:16

General

  • Target

    8371680a240dc4ec98c0c0c8f9558e9098b621aa2a4ddbf8d64e955c592212d5.exe

  • Size

    388KB

  • MD5

    ac771a1d1f9c353d95be3d3a0e98a40c

  • SHA1

    782eb4d3c1ad6cb06b7bb7460e4de1ef239238b3

  • SHA256

    8371680a240dc4ec98c0c0c8f9558e9098b621aa2a4ddbf8d64e955c592212d5

  • SHA512

    9f6b7235fc3806e8efb1ce931fab02ab8e1d8afe7d40db28e0d6ec3773bc398205b76f87d93041af341b83af02aa81ae1d878cfc679898e40b42ae84479b5f29

  • SSDEEP

    12288:aG1ixU5HEhboNYNJHxqi4vdf4qLfxmGL6:aGMnhbvrHwi4vdAqL0GL6

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 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\8371680a240dc4ec98c0c0c8f9558e9098b621aa2a4ddbf8d64e955c592212d5.exe
    "C:\Users\Admin\AppData\Local\Temp\8371680a240dc4ec98c0c0c8f9558e9098b621aa2a4ddbf8d64e955c592212d5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3536
    • C:\Users\Admin\AppData\Local\Temp\u2q8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2q8.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1808
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1808 -s 2104
        3⤵
        • Program crash
        PID:4952
    • C:\Users\Admin\AppData\Local\Temp\u2q8.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2q8.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2352
      • 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:1704
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 984
      2⤵
      • Program crash
      PID:2632
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3536 -ip 3536
    1⤵
      PID:1300
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1808 -ip 1808
      1⤵
        PID:1928

      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\u2q8.0.exe

        Filesize

        245KB

        MD5

        5ea66fe490011da271a673577bad5bde

        SHA1

        04191be80d32e89c876840af14ad9352a0c1eff2

        SHA256

        a8b093f291c9d435b8c9f832e7817a854e04290da381672de6234b031b2cf3a0

        SHA512

        6ae839e1e59cc1ab2abd4c8dec88cef0d1e89110614d443d6e64b99faa2dba8b1d4b9a00824cfe91f94c29e32413a7ff3448249aee342349868a0dab9bd3db97

      • C:\Users\Admin\AppData\Local\Temp\u2q8.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1704-145-0x000001A738490000-0x000001A738498000-memory.dmp

        Filesize

        32KB

      • memory/1704-138-0x000001A733A20000-0x000001A733A42000-memory.dmp

        Filesize

        136KB

      • memory/1704-150-0x000001A738760000-0x000001A7387C2000-memory.dmp

        Filesize

        392KB

      • memory/1704-149-0x000001A738740000-0x000001A73874A000-memory.dmp

        Filesize

        40KB

      • memory/1704-148-0x000001A737E00000-0x000001A737E08000-memory.dmp

        Filesize

        32KB

      • memory/1704-133-0x000001A7336E0000-0x000001A733704000-memory.dmp

        Filesize

        144KB

      • memory/1704-147-0x000001A737DE0000-0x000001A737DEE000-memory.dmp

        Filesize

        56KB

      • memory/1704-157-0x000001A738500000-0x000001A73851E000-memory.dmp

        Filesize

        120KB

      • memory/1704-146-0x000001A737E10000-0x000001A737E48000-memory.dmp

        Filesize

        224KB

      • memory/1704-152-0x000001A738D10000-0x000001A739238000-memory.dmp

        Filesize

        5.2MB

      • memory/1704-143-0x000001A733A50000-0x000001A733D50000-memory.dmp

        Filesize

        3.0MB

      • memory/1704-139-0x000001A733440000-0x000001A73344A000-memory.dmp

        Filesize

        40KB

      • memory/1704-151-0x000001A7387C0000-0x000001A7387E2000-memory.dmp

        Filesize

        136KB

      • memory/1704-156-0x000001A7385A0000-0x000001A738616000-memory.dmp

        Filesize

        472KB

      • memory/1704-137-0x000001A7339D0000-0x000001A733A20000-memory.dmp

        Filesize

        320KB

      • memory/1704-136-0x000001A733950000-0x000001A73397A000-memory.dmp

        Filesize

        168KB

      • memory/1704-132-0x000001A733460000-0x000001A733474000-memory.dmp

        Filesize

        80KB

      • memory/1704-135-0x000001A7338A0000-0x000001A733952000-memory.dmp

        Filesize

        712KB

      • memory/1704-128-0x000001A715640000-0x000001A718E74000-memory.dmp

        Filesize

        56.2MB

      • memory/1704-129-0x000001A7335C0000-0x000001A7336CA000-memory.dmp

        Filesize

        1.0MB

      • memory/1704-131-0x000001A733470000-0x000001A73347C000-memory.dmp

        Filesize

        48KB

      • memory/1704-130-0x000001A71AC60000-0x000001A71AC70000-memory.dmp

        Filesize

        64KB

      • memory/1704-134-0x000001A733710000-0x000001A73371A000-memory.dmp

        Filesize

        40KB

      • memory/1704-155-0x000001A7384C0000-0x000001A7384CC000-memory.dmp

        Filesize

        48KB

      • memory/1808-13-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/1808-114-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/1808-15-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/1808-14-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/1808-68-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/1808-63-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/1808-57-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/1808-50-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/1808-17-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/1808-188-0x0000000000400000-0x0000000002579000-memory.dmp

        Filesize

        33.5MB

      • memory/2352-127-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2352-110-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2352-124-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3536-89-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3536-1-0x0000000002820000-0x0000000002920000-memory.dmp

        Filesize

        1024KB

      • memory/3536-2-0x00000000042C0000-0x000000000432C000-memory.dmp

        Filesize

        432KB

      • memory/3536-88-0x0000000000400000-0x000000000259D000-memory.dmp

        Filesize

        33.6MB

      • memory/3536-58-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3536-56-0x00000000042C0000-0x000000000432C000-memory.dmp

        Filesize

        432KB

      • memory/3536-3-0x0000000000400000-0x000000000046F000-memory.dmp

        Filesize

        444KB

      • memory/3536-51-0x0000000002820000-0x0000000002920000-memory.dmp

        Filesize

        1024KB

      • memory/3536-16-0x0000000000400000-0x000000000259D000-memory.dmp

        Filesize

        33.6MB