Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    14-12-2020 14:22

General

  • Target

    3f717df21dee2bd51394424c8be036fe.doc

  • Size

    365KB

  • MD5

    3f717df21dee2bd51394424c8be036fe

  • SHA1

    d20436e843e4159f29737fab5e812406eb6512d4

  • SHA256

    aa148483dfb6570d166b18430f7a1e6b0496ef687589b38ba5ab1b2b5bdff682

  • SHA512

    f79b8d1f53b243929fa307560aa605d522c5c71c606166557cd9bf095c8393c188bab9aaaff38456552e8a9b08457c36ca522369f40e2ccc097e86ee369ecad9

Malware Config

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Executes dropped EXE 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 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 19 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\3f717df21dee2bd51394424c8be036fe.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -noexit -ep bypass -c .\aaa.ps1
      2⤵
      • Process spawned unexpected child process
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2792
      • C:\programdata\803d76071.exe
        "C:\programdata\803d76071.exe"
        3⤵
        • Executes dropped EXE
        PID:2580

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\803d76071.exe
    MD5

    bef2bcb61c1fa9af265659c4123c11ac

    SHA1

    76993db88b0f0c3ed6252b114636cf39a30220d6

    SHA256

    14dce17f99955f86b05970aa13e35680e879aaa190e598bdcdc4dbf54ee90734

    SHA512

    9072c3eb4f1ef3a8f15807db618af9180dd0b02bfaa9c0fc2191f9ec548f1e8ea837f14aeedda30e95781a5935e134f8ee40aa5c4ff0df5a32a0382ebc6af7eb

  • C:\programdata\803d76071.aaa
    MD5

    2bb165a96a9d2e77aa202b9ed6f30c48

    SHA1

    7120be00500f70ebceb9e24cdc692d390054a9e5

    SHA256

    bae2b1fe61602413ca6b39f7f8f35fcfcdd593c976f246942143313527dfe27f

    SHA512

    ba4a1c6360de1fdda0ae17afe7f441140620c7569842fdf407f9126e268dd436d478670d901648e2969b7fefaff9f15c0e4f4bd0ac282bc59871a8ebb1507567

  • C:\programdata\803d76071.exe
    MD5

    bef2bcb61c1fa9af265659c4123c11ac

    SHA1

    76993db88b0f0c3ed6252b114636cf39a30220d6

    SHA256

    14dce17f99955f86b05970aa13e35680e879aaa190e598bdcdc4dbf54ee90734

    SHA512

    9072c3eb4f1ef3a8f15807db618af9180dd0b02bfaa9c0fc2191f9ec548f1e8ea837f14aeedda30e95781a5935e134f8ee40aa5c4ff0df5a32a0382ebc6af7eb

  • C:\programdata\aaa.ps1
    MD5

    810a730741e2488360ec31da9103fe9c

    SHA1

    906010043149b15f38f40f8c98ef9e679a56b43a

    SHA256

    412a5f3572bfa31a27749c54b12c26302d75acfc2630c8627c9488b706e5327e

    SHA512

    125b5e8d34de6b6f3219ce89951570672857be92af8b8127344c0bdb1b1a5e8afa937cfc1e5e7e82772484d258214ae5e8a4f049d4dd5242d039995b71238c69

  • memory/1628-4-0x000002BD2C7BE000-0x000002BD2C7C3000-memory.dmp
    Filesize

    20KB

  • memory/1628-3-0x000002BD2C7BC000-0x000002BD2C7BE000-memory.dmp
    Filesize

    8KB

  • memory/1628-5-0x000002BD2C7BE000-0x000002BD2C7C3000-memory.dmp
    Filesize

    20KB

  • memory/1628-6-0x000002BD2C7BE000-0x000002BD2C7C3000-memory.dmp
    Filesize

    20KB

  • memory/1628-2-0x00007FF81BC20000-0x00007FF81C257000-memory.dmp
    Filesize

    6.2MB

  • memory/2580-15-0x0000000000000000-mapping.dmp
  • memory/2580-18-0x00000000006B0000-0x00000000006B2000-memory.dmp
    Filesize

    8KB

  • memory/2792-12-0x000001FB350E0000-0x000001FB350E1000-memory.dmp
    Filesize

    4KB

  • memory/2792-11-0x000001FB34CD0000-0x000001FB34CD1000-memory.dmp
    Filesize

    4KB

  • memory/2792-10-0x000001FB1CA10000-0x000001FB1CA11000-memory.dmp
    Filesize

    4KB

  • memory/2792-9-0x00007FF815430000-0x00007FF815E1C000-memory.dmp
    Filesize

    9.9MB

  • memory/2792-8-0x0000000000000000-mapping.dmp