Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25/02/2025, 22:21

General

  • Target

    quarantine/8NsQP4U.exe

  • Size

    818KB

  • MD5

    867903a3686f5cc6f5b9127cdfde51c7

  • SHA1

    c5ae9fb62c4d05b230066191f8edf91dc8fa986a

  • SHA256

    b2370b04f1b422b817299a8e6e17e30d60583b443f5923479462d2823a929706

  • SHA512

    0d54991e4efe890a8603d9c30b279a311a944379634abf626fb985d9212c3b486aef4d8a721104bd25dd3c55c4d59dc0ecdf2ac98c1edd826eaee7f098892680

  • SSDEEP

    24576:qkZLFhZd93PblKUNWt4Y4d93PblKUNWt4YZ:3FhzZPhKUNeSZPhKUNeZ

Malware Config

Signatures

  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\quarantine\8NsQP4U.exe
    "C:\Users\Admin\AppData\Local\Temp\quarantine\8NsQP4U.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Users\Admin\AppData\Local\Temp\quarantine\8NsQP4U.exe
      "C:\Users\Admin\AppData\Local\Temp\quarantine\8NsQP4U.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2460
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 500
      2⤵
      • Program crash
      PID:2720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1740-18-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/1740-1-0x00000000011E0000-0x00000000012B6000-memory.dmp

    Filesize

    856KB

  • memory/1740-2-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/1740-21-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/1740-0-0x000000007468E000-0x000000007468F000-memory.dmp

    Filesize

    4KB

  • memory/2460-17-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2460-19-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2460-15-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2460-12-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2460-10-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2460-8-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2460-6-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2460-4-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2460-20-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2460-13-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB