31475717735f9aee20def2a4044b42a52cb92e8cf885b92a042099a273688135

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
08-04-2024 01:13

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General

Target

Challenge_FIles/Employee_W2_Form.docx
Size

12KB
MD5

45e7d6562bfddb816d45649dd667abde
SHA1

00087e46ec0ef6225de59868fd016bd9dd77fa3c
SHA256

679bbe0c50754853978a3a583505ebb99bce720cf26a6aaf8be06cd879701ff1
SHA512

0567873b42eece93787da4f4c3b72ecb0d952450d8eb59b354a5f91ed95395a2662171e05cdcf4a829fdbd0b5cbcca97701fef9b96b1ad0d8728922bbd0288fa
SSDEEP

192:f6ijVmar18H111M05AgPekrFD2h0vsmyVk7PeOJ2wc3rMKkokceeQh:f6ijca6H111/eo1hvsHieIhoseQh

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\Challenge_FIles\mhtml:arsenal.30cm.tw:1212\word.html!x-usc:arsenal.30cm.tw:1212\word.html	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2076 WINWORD.EXE
2076 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

svchost.exe

description pid process

Token: SeManageVolumePrivilege 7060 svchost.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

2076 WINWORD.EXE
2076 WINWORD.EXE
2076 WINWORD.EXE
2076 WINWORD.EXE
2076 WINWORD.EXE
2076 WINWORD.EXE
2076 WINWORD.EXE

pid	process
2076	WINWORD.EXE
2076	WINWORD.EXE

description	pid	process
Token: SeManageVolumePrivilege	7060	svchost.exe

pid	process
2076	WINWORD.EXE
2076	WINWORD.EXE
2076	WINWORD.EXE
2076	WINWORD.EXE
2076	WINWORD.EXE
2076	WINWORD.EXE
2076	WINWORD.EXE

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\Challenge_FIles\Employee_W2_Form.docx" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2076

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3840 --field-trial-handle=2288,i,11069632825633797559,14829202121434726371,262144 --variations-seed-version /prefetch:8
1⤵
PID:6008

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:7124

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:7060

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Templates\LiveContent\16\Managed\Word Document Bibliography Styles\TM02851223[[fn=iso690]].xsl
Filesize
263KB

MD5
ff0e07eff1333cdf9fc2523d323dd654

SHA1
77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4

SHA256
3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5

SHA512
b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d

Download Submit
memory/2076-16-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/2076-8-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/2076-4-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/2076-17-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/2076-5-0x00007FFC24490000-0x00007FFC244A0000-memory.dmp

Filesize
64KB

Download
memory/2076-6-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/2076-7-0x00007FFC24490000-0x00007FFC244A0000-memory.dmp

Filesize
64KB

Download
memory/2076-18-0x00007FFC21BD0000-0x00007FFC21BE0000-memory.dmp

Filesize
64KB

Download
memory/2076-9-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/2076-10-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/2076-11-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/2076-12-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/2076-13-0x00007FFC21BD0000-0x00007FFC21BE0000-memory.dmp

Filesize
64KB

Download
memory/2076-35-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/2076-15-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/2076-0-0x00007FFC24490000-0x00007FFC244A0000-memory.dmp

Filesize
64KB

Download
memory/2076-3-0x00007FFC24490000-0x00007FFC244A0000-memory.dmp

Filesize
64KB

Download
memory/2076-2-0x00007FFC24490000-0x00007FFC244A0000-memory.dmp

Filesize
64KB

Download
memory/2076-14-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/2076-36-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/2076-37-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/2076-1-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/2076-536-0x00007FFC24490000-0x00007FFC244A0000-memory.dmp

Filesize
64KB

Download
memory/2076-537-0x00007FFC24490000-0x00007FFC244A0000-memory.dmp

Filesize
64KB

Download
memory/2076-539-0x00007FFC24490000-0x00007FFC244A0000-memory.dmp

Filesize
64KB

Download
memory/2076-538-0x00007FFC24490000-0x00007FFC244A0000-memory.dmp

Filesize
64KB

Download
memory/2076-540-0x00007FFC64410000-0x00007FFC64605000-memory.dmp

Filesize
2.0MB

Download
memory/7060-541-0x0000017A11290000-0x0000017A112A0000-memory.dmp

Filesize
64KB

Download
memory/7060-557-0x0000017A11390000-0x0000017A113A0000-memory.dmp

Filesize
64KB

Download
memory/7060-573-0x0000017A19700000-0x0000017A19701000-memory.dmp

Filesize
4KB

Download
memory/7060-575-0x0000017A19730000-0x0000017A19731000-memory.dmp

Filesize
4KB

Download
memory/7060-576-0x0000017A19730000-0x0000017A19731000-memory.dmp

Filesize
4KB

Download
memory/7060-577-0x0000017A19840000-0x0000017A19841000-memory.dmp

Filesize
4KB

Download