Analysis

  • max time kernel
    75s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2022, 07:28

General

  • Target
    ae366d3ea28c5c6873ef524c87485e0c.exe
  • Size 403KB
  • Sample220726-janmcaafe3
  • SHA256 333fc6c84ff02a81fc125f7e6fba3e6bfe86a24606499d8cb6d578c698a3105b
  • MD5 SHA1 SHA512

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\ae366d3ea28c5c6873ef524c87485e0c.exe
    "C:\Users\Admin\AppData\Local\Temp\ae366d3ea28c5c6873ef524c87485e0c.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3108
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3108 -s 2480
      2⤵
      • Program crash
      PID:4576
  • 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:4044
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3108 -ip 3108
    1⤵
      PID:4468

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3108-130-0x0000000000528000-0x0000000000553000-memory.dmp

          memory/3108-131-0x0000000000610000-0x0000000000648000-memory.dmp

          memory/3108-132-0x0000000000400000-0x0000000000471000-memory.dmp

          memory/3108-133-0x0000000004CD0000-0x0000000005274000-memory.dmp

          memory/3108-134-0x0000000005280000-0x0000000005898000-memory.dmp

          memory/3108-135-0x0000000004CA0000-0x0000000004CB2000-memory.dmp

          memory/3108-136-0x00000000058A0000-0x00000000059AA000-memory.dmp

          memory/3108-137-0x00000000059D0000-0x0000000005A0C000-memory.dmp

          memory/3108-138-0x0000000006940000-0x00000000069B6000-memory.dmp

          memory/3108-139-0x00000000069D0000-0x0000000006A62000-memory.dmp

          memory/3108-140-0x0000000006B10000-0x0000000006B2E000-memory.dmp

          memory/3108-141-0x0000000006CA0000-0x0000000006D06000-memory.dmp

          memory/3108-142-0x0000000007230000-0x00000000073F2000-memory.dmp

          memory/3108-143-0x0000000007400000-0x000000000792C000-memory.dmp

          memory/3108-144-0x00000000088B0000-0x0000000008900000-memory.dmp

          memory/3108-145-0x0000000000528000-0x0000000000553000-memory.dmp

          memory/3108-146-0x0000000000528000-0x0000000000553000-memory.dmp

          memory/3108-147-0x0000000000400000-0x0000000000471000-memory.dmp