Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    03-08-2024 06:01

General

  • Target

    3b28e3d07c4dd156f221c72f4f2b53ea.exe

  • Size

    1006KB

  • MD5

    3b28e3d07c4dd156f221c72f4f2b53ea

  • SHA1

    c9f2ecb67b7ef1910af459d44386882d9238d72f

  • SHA256

    f8a0e27af4b7dccf34efacd67fa9ad7857233e47f9742764bcc09f89bde84424

  • SHA512

    2e363e989868342043553f80a346fa82fe01cb4988111a037172fa8e031ed82951b7beb49a28f53617ec307b204eafc75d0d1c16296f5b026d4c00a04a2df4db

  • SSDEEP

    24576:fxj1COA6fYrK4O7+FZTYPhFrjuDl+QlclC:x1COZfT4O4ZTYX6Plc

Malware Config

Extracted

Family

stealc

Botnet

doralands23

C2

http://188.130.207.115

Attributes
  • url_path

    /8b4c5bd1ddc1cb18.php

Signatures

  • Detects HijackLoader (aka IDAT Loader) 1 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
  • 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 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b28e3d07c4dd156f221c72f4f2b53ea.exe
    "C:\Users\Admin\AppData\Local\Temp\3b28e3d07c4dd156f221c72f4f2b53ea.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2816
    • 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:2808
      • 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:2624
        • 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:2372
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 5
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:1456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\23cc4a33

    Filesize

    901KB

    MD5

    cf4513f4c6f3cdba49673215224c5620

    SHA1

    2589b7eb994373a97a60b07c7e6aeb280ab2d756

    SHA256

    32bcce00bd3871e352b7d08e125ef8c687177f26d2637cd9b9b65dabae3e32d7

    SHA512

    5f8dc1d3eaad05f777c48bea8ddbd94209c32d4ba1234de65a4da6216ba8f9e19ea00156fb94ec166f73d928bef0c235e0ba47ea15e6d82a5f6807d9760dd7ec

  • \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/2624-14-0x0000000000400000-0x0000000000645000-memory.dmp

    Filesize

    2.3MB

  • memory/2624-81-0x0000000000400000-0x0000000000645000-memory.dmp

    Filesize

    2.3MB

  • memory/2624-49-0x0000000000400000-0x0000000000645000-memory.dmp

    Filesize

    2.3MB

  • memory/2624-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2624-19-0x0000000000DA0000-0x0000000001021000-memory.dmp

    Filesize

    2.5MB

  • memory/2624-18-0x0000000000DD0000-0x0000000000DD8000-memory.dmp

    Filesize

    32KB

  • memory/2624-16-0x0000000000400000-0x0000000000645000-memory.dmp

    Filesize

    2.3MB

  • memory/2624-15-0x0000000076E10000-0x0000000076FB9000-memory.dmp

    Filesize

    1.7MB

  • memory/2808-11-0x0000000074230000-0x00000000743A4000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-13-0x0000000074230000-0x00000000743A4000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-10-0x0000000074230000-0x00000000743A4000-memory.dmp

    Filesize

    1.5MB

  • memory/2808-9-0x0000000076E10000-0x0000000076FB9000-memory.dmp

    Filesize

    1.7MB

  • memory/2808-7-0x0000000074230000-0x00000000743A4000-memory.dmp

    Filesize

    1.5MB

  • memory/2816-0-0x0000000000400000-0x00000000004FC000-memory.dmp

    Filesize

    1008KB

  • memory/2816-5-0x0000000074230000-0x00000000743A4000-memory.dmp

    Filesize

    1.5MB

  • memory/2816-3-0x0000000074242000-0x0000000074244000-memory.dmp

    Filesize

    8KB

  • memory/2816-4-0x0000000074230000-0x00000000743A4000-memory.dmp

    Filesize

    1.5MB

  • memory/2816-2-0x0000000076E10000-0x0000000076FB9000-memory.dmp

    Filesize

    1.7MB

  • memory/2816-1-0x0000000074230000-0x00000000743A4000-memory.dmp

    Filesize

    1.5MB