4b67a9ddf9fc9d3df0b158bdae523144c329080a0e949a71584b7339b204e5c5

Analysis

max time kernel
143s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
16-01-2023 15:18

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General

Target

P.I 99220345.docx
Size

10KB
MD5

28d506098937d7ddaf58805011f8d45d
SHA1

24229cc8d80884084c1addb04c65681c9233dad0
SHA256

4b67a9ddf9fc9d3df0b158bdae523144c329080a0e949a71584b7339b204e5c5
SHA512

cf5e2af854adec3a6657e2fac63aefaa8484a30fbe78e074760bc54a00aec4046724fad6b8c03ab87e2675e6476130138582b64c722e5737d97946653c46e5ef
SSDEEP

192:ScIMmtP8ar5G/bfIdTOpULnamWBX8ex6y3PWFl:SPXt4ATOqLnosM+D

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{5C5BD146-AB82-439A-8DAF-CAC2BA43D1E9}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{2713E92B-A7CB-4E85-8BB2-1E8407995EA9}.catalogItem	svchost.exe

Checks processor information in registry 2 TTPs 6 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXEsvchost.exe

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

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXEsvchost.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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1152 WINWORD.EXE
1152 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WINWORD.EXE

description pid process

Token: SeAuditPrivilege 1152 WINWORD.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

WINWORD.EXE

pid process

1152 WINWORD.EXE
1152 WINWORD.EXE
1152 WINWORD.EXE
1152 WINWORD.EXE
1152 WINWORD.EXE
1152 WINWORD.EXE

pid	process
1152	WINWORD.EXE
1152	WINWORD.EXE

description	pid	process
Token: SeAuditPrivilege	1152	WINWORD.EXE

pid	process
1152	WINWORD.EXE
1152	WINWORD.EXE
1152	WINWORD.EXE
1152	WINWORD.EXE
1152	WINWORD.EXE
1152	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\P.I 99220345.docx" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1152

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4288

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/1152-132-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1152-133-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1152-134-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1152-135-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1152-136-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1152-137-0x00007FFD49000000-0x00007FFD49010000-memory.dmp

Filesize
64KB

Download
memory/1152-138-0x00007FFD49000000-0x00007FFD49010000-memory.dmp

Filesize
64KB

Download
memory/1152-140-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1152-141-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1152-142-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1152-143-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download