Analysis

  • max time kernel
    129s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/01/2023, 22:03

General

  • Target
    file.exe
  • Size 361KB
  • Sample230116-1yb2wseb92
  • SHA256 3e34fe36ff929921c1ebb88543d6375b64e7fb6bbad755ee4ef7aeaa26901bcc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • 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.

  • Drops file in System32 directory 2 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1544
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 1696
      2⤵
      • Program crash
      PID:4560
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    PID:2552
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1544 -ip 1544
    1⤵
      PID:2220

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1544-132-0x000000000053D000-0x0000000000574000-memory.dmp

          memory/1544-133-0x00000000021C0000-0x0000000002219000-memory.dmp

          memory/1544-134-0x0000000000400000-0x0000000000460000-memory.dmp

          memory/1544-135-0x0000000004BF0000-0x0000000005194000-memory.dmp

          memory/1544-136-0x00000000051A0000-0x00000000057B8000-memory.dmp

          memory/1544-137-0x0000000005840000-0x0000000005852000-memory.dmp

          memory/1544-138-0x0000000005860000-0x000000000596A000-memory.dmp

          memory/1544-139-0x0000000005970000-0x00000000059AC000-memory.dmp

          memory/1544-140-0x0000000005C80000-0x0000000005D12000-memory.dmp

          memory/1544-141-0x0000000005D20000-0x0000000005D86000-memory.dmp

          memory/1544-142-0x0000000006400000-0x0000000006476000-memory.dmp

          memory/1544-143-0x00000000064C0000-0x00000000064DE000-memory.dmp

          memory/1544-144-0x000000000053D000-0x0000000000574000-memory.dmp

          memory/1544-145-0x0000000000400000-0x0000000000460000-memory.dmp

          memory/1544-146-0x0000000006580000-0x0000000006742000-memory.dmp

          memory/1544-147-0x0000000006760000-0x0000000006C8C000-memory.dmp

          memory/1544-148-0x0000000000400000-0x0000000000460000-memory.dmp