Analysis

  • max time kernel
    129s
  • max time network
    131s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11-05-2024 07:32

General

  • Target

    9b9f6ec42265d143c0ec1b54db26f14a18e9e7c615533a6d1e565059224de98b.exe

  • Size

    387KB

  • MD5

    b17fe5c24564e1b895d0b29c5353b0da

  • SHA1

    7c67ccd5b6213b6fd5051506a7f5506277f6b9e5

  • SHA256

    9b9f6ec42265d143c0ec1b54db26f14a18e9e7c615533a6d1e565059224de98b

  • SHA512

    8cefd6e0cca27ee636de79e8e56f2c4924767efd46c28b25445872545451fdc614ed478059c8409c5f825a57fb941c68908651d03dd5f55424982498baa4ad42

  • SSDEEP

    6144:mcLRRKWEpSMnqkuAExWH/Tc8tmfs9ooBXrtjqaIFwTDil:mcLRRB+Se1JExWfLmfsCG7HIWOl

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 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\9b9f6ec42265d143c0ec1b54db26f14a18e9e7c615533a6d1e565059224de98b.exe
    "C:\Users\Admin\AppData\Local\Temp\9b9f6ec42265d143c0ec1b54db26f14a18e9e7c615533a6d1e565059224de98b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Users\Admin\AppData\Local\Temp\u22k.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u22k.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2984
    • C:\Users\Admin\AppData\Local\Temp\u22k.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u22k.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4496
      • 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:3924
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 1160
      2⤵
      • Program crash
      PID:3316
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2684 -ip 2684
    1⤵
      PID:2344

    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\u22k.0.exe

      Filesize

      245KB

      MD5

      33bc221961c8365ec06fe86a4ab76709

      SHA1

      af930ef0dbd96b4fb0c6ecd72ea5fe2fd77268f8

      SHA256

      2874b873e12bcdfcf0a37708512e21637e38e5f5b9a2bf0c3b34f72d74c05708

      SHA512

      957e92d7418dca60a34cdc8dd542a587003b8181be6eb19272a5e4065aa61fa43655f6cbaebc31ce4a778fcc0e4430993a6f35db73cc7b0d7140042ba835082e

    • C:\Users\Admin\AppData\Local\Temp\u22k.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/2684-2-0x00000000042B0000-0x000000000431C000-memory.dmp

      Filesize

      432KB

    • memory/2684-3-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/2684-27-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/2684-28-0x00000000042B0000-0x000000000431C000-memory.dmp

      Filesize

      432KB

    • memory/2684-26-0x0000000000400000-0x000000000259D000-memory.dmp

      Filesize

      33.6MB

    • memory/2684-1-0x0000000002700000-0x0000000002800000-memory.dmp

      Filesize

      1024KB

    • memory/2984-35-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/2984-168-0x0000000000400000-0x0000000002579000-memory.dmp

      Filesize

      33.5MB

    • memory/2984-157-0x0000000000400000-0x0000000002579000-memory.dmp

      Filesize

      33.5MB

    • memory/2984-174-0x0000000000400000-0x0000000002579000-memory.dmp

      Filesize

      33.5MB

    • memory/2984-97-0x0000000000400000-0x0000000002579000-memory.dmp

      Filesize

      33.5MB

    • memory/3924-133-0x00000201309D0000-0x0000020130A32000-memory.dmp

      Filesize

      392KB

    • memory/3924-132-0x00000201309B0000-0x00000201309BA000-memory.dmp

      Filesize

      40KB

    • memory/3924-117-0x000002012B980000-0x000002012B98A000-memory.dmp

      Filesize

      40KB

    • memory/3924-119-0x000002012B9B0000-0x000002012B9DA000-memory.dmp

      Filesize

      168KB

    • memory/3924-118-0x000002012BB90000-0x000002012BC42000-memory.dmp

      Filesize

      712KB

    • memory/3924-120-0x000002012BC90000-0x000002012BCE0000-memory.dmp

      Filesize

      320KB

    • memory/3924-121-0x000002012BC40000-0x000002012BC62000-memory.dmp

      Filesize

      136KB

    • memory/3924-122-0x0000020112ED0000-0x0000020112EDA000-memory.dmp

      Filesize

      40KB

    • memory/3924-126-0x000002012BCE0000-0x000002012BFE0000-memory.dmp

      Filesize

      3.0MB

    • memory/3924-128-0x00000201300C0000-0x00000201300C8000-memory.dmp

      Filesize

      32KB

    • memory/3924-130-0x0000020130010000-0x000002013001E000-memory.dmp

      Filesize

      56KB

    • memory/3924-129-0x0000020130040000-0x0000020130078000-memory.dmp

      Filesize

      224KB

    • memory/3924-131-0x0000020130030000-0x0000020130038000-memory.dmp

      Filesize

      32KB

    • memory/3924-116-0x000002012B740000-0x000002012B764000-memory.dmp

      Filesize

      144KB

    • memory/3924-115-0x0000020112F00000-0x0000020112F14000-memory.dmp

      Filesize

      80KB

    • memory/3924-134-0x0000020130A30000-0x0000020130A52000-memory.dmp

      Filesize

      136KB

    • memory/3924-135-0x0000020130F80000-0x00000201314A8000-memory.dmp

      Filesize

      5.2MB

    • memory/3924-138-0x0000020130730000-0x000002013073C000-memory.dmp

      Filesize

      48KB

    • memory/3924-113-0x0000020112EF0000-0x0000020112F00000-memory.dmp

      Filesize

      64KB

    • memory/3924-114-0x0000020112F10000-0x0000020112F1C000-memory.dmp

      Filesize

      48KB

    • memory/3924-156-0x0000020130810000-0x0000020130886000-memory.dmp

      Filesize

      472KB

    • memory/3924-112-0x000002012B870000-0x000002012B97A000-memory.dmp

      Filesize

      1.0MB

    • memory/3924-158-0x0000020130770000-0x000002013078E000-memory.dmp

      Filesize

      120KB

    • memory/3924-111-0x000002010D8B0000-0x00000201110E4000-memory.dmp

      Filesize

      56.2MB

    • memory/4496-110-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/4496-107-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB