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Analysis

  • max time kernel
    54s
  • max time network
    60s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/08/2024, 21:31

General

  • Target

    bbcd452a40751882c23ac62aa322e378f59d6e15a2041400cf5d2e7af2ded1fe.docm

  • Size

    23KB

  • MD5

    5b2b236d6e89deeac430258664d8d695

  • SHA1

    7ba790eeee21a008722982dc1fca01ff3e7e3bb6

  • SHA256

    bbcd452a40751882c23ac62aa322e378f59d6e15a2041400cf5d2e7af2ded1fe

  • SHA512

    659f175c80b454c5606bc469b4f6cfedc01ddb99a1cbddfd6621f0d6660a0d1e1f54e20e765c51e921f1d182bbe7396650c93c38c3b95790021d40a5961111e4

  • SSDEEP

    384:/irhzg9+8J8EchisLu0e0+GW6teSVO/v0uM2iOiWMSXZcu/CEm+3XG9RjrH9NEvq:/bE8nGK0nzWAo0jOi98Ka8jb9NEv/Qh

Malware Config

Extracted

Family

metasploit

Version

encoder/shikata_ga_nai

Extracted

Family

metasploit

Version

windows/reverse_tcp

C2

10.10.10.10:433

Signatures

  • MetaSploit

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

  • Executes dropped EXE 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 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 use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 3 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\bbcd452a40751882c23ac62aa322e378f59d6e15a2041400cf5d2e7af2ded1fe.docm" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4384
    • C:\Users\Admin\sowAvpiYaacf.exe
      C:\Users\Admin\sowAvpiYaacf.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\TCDF6FB.tmp\iso690.xsl

    Filesize

    263KB

    MD5

    ff0e07eff1333cdf9fc2523d323dd654

    SHA1

    77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4

    SHA256

    3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5

    SHA512

    b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d

  • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC

    Filesize

    16B

    MD5

    d29962abc88624befc0135579ae485ec

    SHA1

    e40a6458296ec6a2427bcb280572d023a9862b31

    SHA256

    a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866

    SHA512

    4311e87d8d5559248d4174908817a4ddc917bf7378114435cf12da8ccb7a1542c851812afbaf7dc106771bdb2e2d05f52e7d0c50d110fc7fffe4395592492c2f

  • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

    Filesize

    2KB

    MD5

    aa342f1106f5f605d985d2ef6c251c9c

    SHA1

    b4f5c520878646fb6b57926feac5d5c4972351c6

    SHA256

    89cd662fb08bc2add68eea2ca997e33bd6976af3b6302b850c5e11d29289da61

    SHA512

    e56932c0e626092d21a562dcc8633889404ac78f8ccf57c4001bfc5a10a00316648d51dd3f4a79dbe0f74cb5df06932451b5836883f026ccf6752bcb2ea06dd4

  • C:\Users\Admin\sowAvpiYaacf.exe

    Filesize

    4KB

    MD5

    e057ac30184d3605cea31d1385bab050

    SHA1

    f79161de1901d8a6c07c61ff4fe71e21a30b9f21

    SHA256

    6f8c8ee8b1d514516268d888afa0ff4d6fb671b5e41bdc55853422674d4e50f2

    SHA512

    5f990ba180c5ee37c6c3bcd86cc3c5dbdedae41de39905d594eccf005cd8c8e0e8446cf9336bb6c7a1563d331ff93c71c505eaf96c7bc4134269f04ced9db9d6

  • memory/1948-65-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/1948-42-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/4384-34-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-10-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-9-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-12-0x00007FFDAAF30000-0x00007FFDAAF40000-memory.dmp

    Filesize

    64KB

  • memory/4384-8-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-14-0x00007FFDAAF30000-0x00007FFDAAF40000-memory.dmp

    Filesize

    64KB

  • memory/4384-15-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-13-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-18-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-17-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-16-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-7-0x00007FFDAD030000-0x00007FFDAD040000-memory.dmp

    Filesize

    64KB

  • memory/4384-32-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-3-0x00007FFDED04D000-0x00007FFDED04E000-memory.dmp

    Filesize

    4KB

  • memory/4384-33-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-39-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-35-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-11-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-4-0x00007FFDAD030000-0x00007FFDAD040000-memory.dmp

    Filesize

    64KB

  • memory/4384-5-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-6-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-2-0x00007FFDAD030000-0x00007FFDAD040000-memory.dmp

    Filesize

    64KB

  • memory/4384-0-0x00007FFDAD030000-0x00007FFDAD040000-memory.dmp

    Filesize

    64KB

  • memory/4384-67-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-74-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-73-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-72-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-71-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-70-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-69-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-68-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-66-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-1-0x00007FFDAD030000-0x00007FFDAD040000-memory.dmp

    Filesize

    64KB

  • memory/4384-192-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-193-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB

  • memory/4384-195-0x00007FFDECFB0000-0x00007FFDED1A5000-memory.dmp

    Filesize

    2.0MB