Analysis

  • max time kernel
    35s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    10-10-2024 02:45

General

  • Target

    80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe

  • Size

    502KB

  • MD5

    255aa859c24575b55d2476fc42ebfcf0

  • SHA1

    d0b9d931ba49b12edf649179c3fee9db5d0e13b5

  • SHA256

    80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2

  • SHA512

    5e2d5aa2a85456b849bb8788de6f539d0bfceb34404ba4eb33968351d3b082cbda3d131e06e19412ecf03c29dcc9dcb28befb4f5801a6f660624e34158b7f3ca

  • SSDEEP

    12288:HKKbpydeHVh1nDVrJQ53MCcstcVjgUh4oan7rKo:HKMydipnpVQSstcrpC/x

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • Loads dropped DLL 2 IoCs
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe
    "C:\Users\Admin\AppData\Local\Temp\80b5db038716d49c30a2258b44e05090bb63e470c6bd5bc067958c0d3b3b73c2N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2900
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2748
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\ProgramData\JKJDHDBKEB.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/2688-87-0x0000000000450000-0x0000000000451000-memory.dmp

    Filesize

    4KB

  • memory/2748-10-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2748-7-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2748-6-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2748-5-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2748-2-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2748-3-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2748-12-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2748-9-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2748-4-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2748-1-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2748-95-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2748-96-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2900-0-0x0000000000C79000-0x0000000000C7A000-memory.dmp

    Filesize

    4KB