Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-05-2024 07:43

General

  • Target

    7b2033cc8b4e87252204a2f83d45e428dfc0c087200a8cdff5ed44a0ca05d2d7.exe

  • Size

    416KB

  • MD5

    24a68b84516bb61fefab64c2c4268799

  • SHA1

    78759c383f529aac9c5b12882b8df418aa13d6c1

  • SHA256

    7b2033cc8b4e87252204a2f83d45e428dfc0c087200a8cdff5ed44a0ca05d2d7

  • SHA512

    11550ca35287c2c7095fc716cafbdf5733826db3b5e5d28e796f9e66d4ec1a0673c1a53af91c9024cbb349e7389cbb3c476f8a9d77c032fa51fdf44745909ddc

  • SSDEEP

    12288:t3qzdg7K81Yszs4M1+KsjHhuYWa3KtwrSAPt64:MmZYR8jHhuYF164

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 1 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\7b2033cc8b4e87252204a2f83d45e428dfc0c087200a8cdff5ed44a0ca05d2d7.exe
    "C:\Users\Admin\AppData\Local\Temp\7b2033cc8b4e87252204a2f83d45e428dfc0c087200a8cdff5ed44a0ca05d2d7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\Temp\u2d8.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2d8.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1708
    • C:\Users\Admin\AppData\Local\Temp\u2d8.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2d8.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4476
      • 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:3804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 1168
      2⤵
      • Program crash
      PID:2948
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3068 -ip 3068
    1⤵
      PID:652

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    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\u2d8.0.exe

      Filesize

      275KB

      MD5

      f3b64df1e1dcadb996afbd29f802b98f

      SHA1

      cc732d26d161e0369cb31b6e1d69dbe966540e56

      SHA256

      bb00ccce42346fcb6962e38f7e5cb22537210e838ee150731fb17babe2d114a1

      SHA512

      d17eb25749d97647175f9704685bee347631fbf72bf718d997e98ac9fea0c5bd41772430982f7e28ef1f2dfcf0a716ca634559033435c4e12da72caad8d63c3b

    • C:\Users\Admin\AppData\Local\Temp\u2d8.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/1708-16-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/1708-19-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/1708-17-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/1708-152-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/1708-131-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3068-3-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3068-99-0x0000000001CE0000-0x0000000001D4C000-memory.dmp

      Filesize

      432KB

    • memory/3068-98-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3068-97-0x0000000000400000-0x0000000001A32000-memory.dmp

      Filesize

      22.2MB

    • memory/3068-1-0x0000000001D50000-0x0000000001E50000-memory.dmp

      Filesize

      1024KB

    • memory/3068-2-0x0000000001CE0000-0x0000000001D4C000-memory.dmp

      Filesize

      432KB

    • memory/3804-155-0x0000022039420000-0x000002203942C000-memory.dmp

      Filesize

      48KB

    • memory/3804-163-0x0000022039980000-0x00000220399F6000-memory.dmp

      Filesize

      472KB

    • memory/3804-181-0x000002203E7C0000-0x000002203E7DE000-memory.dmp

      Filesize

      120KB

    • memory/3804-153-0x00000220394C0000-0x00000220395D0000-memory.dmp

      Filesize

      1.1MB

    • memory/3804-180-0x000002203E790000-0x000002203E7B2000-memory.dmp

      Filesize

      136KB

    • memory/3804-154-0x000002201F350000-0x000002201F360000-memory.dmp

      Filesize

      64KB

    • memory/3804-156-0x0000022020B30000-0x0000022020B44000-memory.dmp

      Filesize

      80KB

    • memory/3804-157-0x0000022039480000-0x00000220394A4000-memory.dmp

      Filesize

      144KB

    • memory/3804-158-0x0000022039720000-0x000002203972A000-memory.dmp

      Filesize

      40KB

    • memory/3804-160-0x00000220397F0000-0x000002203981A000-memory.dmp

      Filesize

      168KB

    • memory/3804-159-0x0000022039730000-0x00000220397E2000-memory.dmp

      Filesize

      712KB

    • memory/3804-161-0x0000022039820000-0x000002203989A000-memory.dmp

      Filesize

      488KB

    • memory/3804-162-0x00000220398A0000-0x0000022039902000-memory.dmp

      Filesize

      392KB

    • memory/3804-151-0x000002201B430000-0x000002201ED28000-memory.dmp

      Filesize

      57.0MB

    • memory/3804-164-0x0000022039400000-0x000002203940A000-memory.dmp

      Filesize

      40KB

    • memory/3804-168-0x0000022039A00000-0x0000022039D00000-memory.dmp

      Filesize

      3.0MB

    • memory/3804-170-0x000002203D670000-0x000002203D678000-memory.dmp

      Filesize

      32KB

    • memory/3804-171-0x000002203DD70000-0x000002203DDA8000-memory.dmp

      Filesize

      224KB

    • memory/3804-172-0x000002203DD40000-0x000002203DD4E000-memory.dmp

      Filesize

      56KB

    • memory/3804-174-0x000002203E450000-0x000002203E472000-memory.dmp

      Filesize

      136KB

    • memory/3804-173-0x000002203DDD0000-0x000002203DDDA000-memory.dmp

      Filesize

      40KB

    • memory/3804-175-0x000002203E9C0000-0x000002203EEE8000-memory.dmp

      Filesize

      5.2MB

    • memory/3804-179-0x000002203E470000-0x000002203E47C000-memory.dmp

      Filesize

      48KB

    • memory/3804-178-0x000002203E4C0000-0x000002203E510000-memory.dmp

      Filesize

      320KB

    • memory/4476-132-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/4476-149-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB