31475717735f9aee20def2a4044b42a52cb92e8cf885b92a042099a273688135

Analysis

max time kernel
148s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
05-05-2022 15:37

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General

Target

Challenge_FIles/Work_From_Home_Survey.docx
Size

26KB
MD5

41dacae2a33ee717abcc8011b705f2cb
SHA1

4b35d14a2eab2b3a7e0b40b71955cdd36e06b4b9
SHA256

84674acffba5101c8ac518019a9afe2a78a675ef3525a44dceddeed8a0092c69
SHA512

11f7177dc3c8a804ff6450477e15aadd20fddac98205008db25a4f6ef69a54b7cb7c9dd0d7bdf1b1d317f306482d86ad5ef150530194de7d8dbe344203962648

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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	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:http:\trendparlye.com\wiki0509.html!x-usc:http:\trendparlye.com\wiki0509.html	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4948 WINWORD.EXE
4948 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

WINWORD.EXEsvchost.exe

description pid process

Token: SeAuditPrivilege 4948 WINWORD.EXE
Token: SeManageVolumePrivilege 3360 svchost.exe
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

WINWORD.EXE

pid process

4948 WINWORD.EXE
4948 WINWORD.EXE
4948 WINWORD.EXE
4948 WINWORD.EXE
4948 WINWORD.EXE
4948 WINWORD.EXE
4948 WINWORD.EXE
4948 WINWORD.EXE
4948 WINWORD.EXE

pid	process
4948	WINWORD.EXE
4948	WINWORD.EXE

description	pid	process
Token: SeAuditPrivilege	4948	WINWORD.EXE
Token: SeManageVolumePrivilege	3360	svchost.exe

pid	process
4948	WINWORD.EXE
4948	WINWORD.EXE
4948	WINWORD.EXE
4948	WINWORD.EXE
4948	WINWORD.EXE
4948	WINWORD.EXE
4948	WINWORD.EXE
4948	WINWORD.EXE
4948	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\Work_From_Home_Survey.docx" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4948

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
1⤵
PID:2684

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:4272

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3360

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3360-142-0x0000029B74C40000-0x0000029B74C50000-memory.dmp

Filesize
64KB

Download
memory/3360-143-0x0000029B74D40000-0x0000029B74D50000-memory.dmp

Filesize
64KB

Download
memory/4948-136-0x00007FFC474A0000-0x00007FFC474B0000-memory.dmp

Filesize
64KB

Download
memory/4948-133-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmp

Filesize
64KB

Download
memory/4948-134-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmp

Filesize
64KB

Download
memory/4948-135-0x00007FFC474A0000-0x00007FFC474B0000-memory.dmp

Filesize
64KB

Download
memory/4948-130-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmp

Filesize
64KB

Download
memory/4948-139-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmp

Filesize
64KB

Download
memory/4948-138-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmp

Filesize
64KB

Download
memory/4948-141-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmp

Filesize
64KB

Download
memory/4948-140-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmp

Filesize
64KB

Download
memory/4948-132-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmp

Filesize
64KB

Download
memory/4948-131-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmp

Filesize
64KB

Download