Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-05-2024 12:32

General

  • Target

    c1554ac09419ee1943b805e8c8cb6e1e0543aa1083676befe932174b4e0dca6f.exe

  • Size

    416KB

  • MD5

    79b4cb9a857401b816a8a5e1dc384886

  • SHA1

    98ea33554ff8dcb1955d41468c5c24d35f575dbf

  • SHA256

    c1554ac09419ee1943b805e8c8cb6e1e0543aa1083676befe932174b4e0dca6f

  • SHA512

    66b383ff2ce788f9455320853dbf0e02b0deede40f90249438efa8d6553ca0a65a43633e2ed14cef1ae9ad8c4259d114a461e7207dc1ce084a1999b01cb99137

  • SSDEEP

    6144:f/sljtGLGm0LFOvzmqUW8TcCovExfTp87gctz9Cc1jUyBnxeLDYtaZo:f/sljMLnmgSSecCmgpyz9C2/nO0tco

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 25 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\c1554ac09419ee1943b805e8c8cb6e1e0543aa1083676befe932174b4e0dca6f.exe
    "C:\Users\Admin\AppData\Local\Temp\c1554ac09419ee1943b805e8c8cb6e1e0543aa1083676befe932174b4e0dca6f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Users\Admin\AppData\Local\Temp\up0.0.exe
      "C:\Users\Admin\AppData\Local\Temp\up0.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3404
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 2440
        3⤵
        • Program crash
        PID:2060
    • C:\Users\Admin\AppData\Local\Temp\up0.1.exe
      "C:\Users\Admin\AppData\Local\Temp\up0.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4420
      • 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:3480
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3404 -ip 3404
    1⤵
      PID:1004

    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\up0.0.exe

      Filesize

      275KB

      MD5

      9eb9464649a3e10e8aad3ce2a8e6b4f6

      SHA1

      4d8237f97a2349039f817f69ad1b0f7a317e7ade

      SHA256

      06ca216667daf350f1b6e97e7205b0dafe3e0e27a57ce368fe998504e766791f

      SHA512

      bb7741c17431b75a048778d00078f18f8dc0f79a2ee2386bf57eabfe8b1058015abfdf45ff667955363f5f5afd1b6d7a6754ca13b48e731d4ddc6d69cf1b2355

    • C:\Users\Admin\AppData\Local\Temp\up0.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/900-27-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/900-26-0x0000000003750000-0x00000000037BC000-memory.dmp

      Filesize

      432KB

    • memory/900-1-0x0000000001C10000-0x0000000001D10000-memory.dmp

      Filesize

      1024KB

    • memory/900-25-0x0000000000400000-0x0000000001A32000-memory.dmp

      Filesize

      22.2MB

    • memory/900-3-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/900-2-0x0000000003750000-0x00000000037BC000-memory.dmp

      Filesize

      432KB

    • memory/3404-14-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3404-30-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/3404-13-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3404-173-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3404-129-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3480-145-0x00000240F7C50000-0x00000240F7C60000-memory.dmp

      Filesize

      64KB

    • memory/3480-155-0x00000240F63E0000-0x00000240F63EA000-memory.dmp

      Filesize

      40KB

    • memory/3480-144-0x00000240F88C0000-0x00000240F89D0000-memory.dmp

      Filesize

      1.1MB

    • memory/3480-146-0x00000240F8540000-0x00000240F854C000-memory.dmp

      Filesize

      48KB

    • memory/3480-177-0x00000240F8700000-0x00000240F88B3000-memory.dmp

      Filesize

      1.7MB

    • memory/3480-147-0x00000240F8530000-0x00000240F8544000-memory.dmp

      Filesize

      80KB

    • memory/3480-148-0x00000240F85A0000-0x00000240F85C4000-memory.dmp

      Filesize

      144KB

    • memory/3480-149-0x00000240F85E0000-0x00000240F85EA000-memory.dmp

      Filesize

      40KB

    • memory/3480-150-0x00000240F8B30000-0x00000240F8BE2000-memory.dmp

      Filesize

      712KB

    • memory/3480-151-0x00000240F8BF0000-0x00000240F8C1A000-memory.dmp

      Filesize

      168KB

    • memory/3480-152-0x00000240F8C20000-0x00000240F8C9A000-memory.dmp

      Filesize

      488KB

    • memory/3480-153-0x00000240F8CA0000-0x00000240F8D02000-memory.dmp

      Filesize

      392KB

    • memory/3480-154-0x00000240F8D80000-0x00000240F8DF6000-memory.dmp

      Filesize

      472KB

    • memory/3480-143-0x00000240F2670000-0x00000240F5F68000-memory.dmp

      Filesize

      57.0MB

    • memory/3480-159-0x00000240F8E00000-0x00000240F9100000-memory.dmp

      Filesize

      3.0MB

    • memory/3480-162-0x00000240FCA70000-0x00000240FCA78000-memory.dmp

      Filesize

      32KB

    • memory/3480-164-0x00000240FD140000-0x00000240FD14E000-memory.dmp

      Filesize

      56KB

    • memory/3480-163-0x00000240FD170000-0x00000240FD1A8000-memory.dmp

      Filesize

      224KB

    • memory/3480-165-0x00000240FDAC0000-0x00000240FDACA000-memory.dmp

      Filesize

      40KB

    • memory/3480-166-0x00000240FD840000-0x00000240FD862000-memory.dmp

      Filesize

      136KB

    • memory/3480-167-0x00000240FE000000-0x00000240FE528000-memory.dmp

      Filesize

      5.2MB

    • memory/3480-171-0x00000240FD860000-0x00000240FD86C000-memory.dmp

      Filesize

      48KB

    • memory/3480-170-0x00000240FD8B0000-0x00000240FD900000-memory.dmp

      Filesize

      320KB

    • memory/3480-175-0x00000240FD930000-0x00000240FD94E000-memory.dmp

      Filesize

      120KB

    • memory/3480-174-0x00000240FD900000-0x00000240FD922000-memory.dmp

      Filesize

      136KB

    • memory/4420-130-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/4420-142-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB