Analysis

  • max time kernel
    66s
  • max time network
    68s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2024 11:21

General

  • Target

    5c1febd710c36943efd0184ed5896500N.exe

  • Size

    5.8MB

  • MD5

    5c1febd710c36943efd0184ed5896500

  • SHA1

    543642a5deb9e6ae6fdd34becfd0a7604e4e5b71

  • SHA256

    7db476bac7c4fb519a57bf09e2da7b2919fcc915c38c198c2c2d19952527b3e0

  • SHA512

    bf16dd5dcbd633d97bfa4ce947a63e46ad71d228f8222efb72b5006d96874d0bfa9773cac11bce879aab5e34548c9b8e14a0615477d55b4f9b1ec6703665a6f6

  • SSDEEP

    98304:9k6fySOV4iCLKvGCbYfim50CrIG3JCa/ITE5kdVTGPYivZ:9k6qSOOiCOvGCs6x2rImkdeZ

Malware Config

Extracted

Family

stealc

Botnet

wasp8

C2

http://45.152.112.103

Attributes
  • url_path

    /1cf3aa1810feeb67.php

Signatures

  • Detects HijackLoader (aka IDAT Loader) 2 IoCs
  • HijackLoader

    HijackLoader is a multistage loader first seen in 2023.

  • Stealc

    Stealc is an infostealer written in C++.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • 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 5 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c1febd710c36943efd0184ed5896500N.exe
    "C:\Users\Admin\AppData\Local\Temp\5c1febd710c36943efd0184ed5896500N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\SysWOW64\cmd.exe
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2788
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "" & del "C:\ProgramData\*.dll"" & exit
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2864
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 5
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:2952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\2a3984cc

    Filesize

    905KB

    MD5

    1d7e75f7649c46cedbd6a767d015eba7

    SHA1

    b2ff091aaf1827cd3916dd9fed348656bd9b361b

    SHA256

    6a44339381ef0b2000384ba2560b58fbd34308c10b800d74791039350f3487a3

    SHA512

    f10eb31c5d39bd9b4bd7902f553d78cf0ede8c6d899bda6907cf04663a05667e4c9a462e73c80d15f9ce679992a4932a31d7c07183d746bf898b540e3303d3d9

  • \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/2468-0-0x0000000000400000-0x00000000009CD000-memory.dmp

    Filesize

    5.8MB

  • memory/2468-2-0x0000000000400000-0x00000000009CD000-memory.dmp

    Filesize

    5.8MB

  • memory/2468-3-0x0000000073560000-0x00000000736D4000-memory.dmp

    Filesize

    1.5MB

  • memory/2468-4-0x0000000077030000-0x00000000771D9000-memory.dmp

    Filesize

    1.7MB

  • memory/2468-5-0x0000000073560000-0x00000000736D4000-memory.dmp

    Filesize

    1.5MB

  • memory/2468-1-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2736-10-0x0000000073560000-0x00000000736D4000-memory.dmp

    Filesize

    1.5MB

  • memory/2736-9-0x0000000077030000-0x00000000771D9000-memory.dmp

    Filesize

    1.7MB

  • memory/2788-13-0x0000000077030000-0x00000000771D9000-memory.dmp

    Filesize

    1.7MB

  • memory/2788-14-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2788-16-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2788-18-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2788-40-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2788-12-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB

  • memory/2788-72-0x0000000000400000-0x0000000000644000-memory.dmp

    Filesize

    2.3MB