7624feae9127bb4a6a0e38d911853f96db39f1272a48be72bef322e87f3719b0

Analysis

max time kernel
142s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
24-03-2023 03:45

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General

Target

Exercises on form.doc
Size

198KB
MD5

3055dcadfe483d8002d1999aaf117be3
SHA1

205d4f3147259d4ea7ee50c10c9a84e1dbbdafbc
SHA256

7624feae9127bb4a6a0e38d911853f96db39f1272a48be72bef322e87f3719b0
SHA512

8120670c8c38fabec777e8e6a1dcc69a555a827dec0b80fb786348c7ccf1cc0aab37c4c51a60c23e159efe857628356c7985e1850fc74eb2ac4cc4b86bcc8fa1
SSDEEP

3072:UGyX60FBUHqE97pe2yd8SorRYKX117eCL4JH:UbB5MVKdAFYKX1peZ

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

3844 WINWORD.EXE
3844 WINWORD.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

WINWORD.EXE

pid process

3844 WINWORD.EXE
3844 WINWORD.EXE
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

WINWORD.EXE

pid process

3844 WINWORD.EXE
3844 WINWORD.EXE
3844 WINWORD.EXE
3844 WINWORD.EXE
3844 WINWORD.EXE
3844 WINWORD.EXE
3844 WINWORD.EXE
3844 WINWORD.EXE
3844 WINWORD.EXE

pid	process
3844	WINWORD.EXE
3844	WINWORD.EXE

pid	process
3844	WINWORD.EXE
3844	WINWORD.EXE

pid	process
3844	WINWORD.EXE
3844	WINWORD.EXE
3844	WINWORD.EXE
3844	WINWORD.EXE
3844	WINWORD.EXE
3844	WINWORD.EXE
3844	WINWORD.EXE
3844	WINWORD.EXE
3844	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 3844 wrote to memory of 1340	3844	WINWORD.EXE	splwow64.exe
PID 3844 wrote to memory of 1340	3844	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\Exercises on form.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:3844

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1340

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

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\24834E01.wmf
Filesize
370B

MD5
c4d9a1f3f1b0eaaac7a45e041234634f

SHA1
885ce79c1690342af88f0e0fa04c8c26cc21e8b5

SHA256
fc7bf94b0a8e403b7e74ec67a619fe1c1a61700c8509426c382ea5ebfc6f4013

SHA512
f39a5be44051940cd5826d4ef87936f514b383cf81a5d4f24288227472dd5bd13ed31ba57ea23a86945d373a59b40f73ac33a9330473c22a38d7c3bcc7af1df6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\D5B06F58.wmf
Filesize
370B

MD5
271d85431b6b680813e35000305ddd89

SHA1
b943a11edf9612f9feca7d91985afb473191ebc5

SHA256
041186bc3112af22e8608a6db5ffbc11ea061eb66aa095d902bf2e30d482c032

SHA512
700308335934104e86fe47c8dbcb0b7d9e1864b1c8acd524505258440bb2d2734696a03447d8f0822e042c3156b6e0b580dfc2f36342f2e5d946a32773268b19

Download Submit
memory/3844-133-0x00007FF8EA3B0000-0x00007FF8EA3C0000-memory.dmp

Filesize
64KB

Download
memory/3844-134-0x00007FF8EA3B0000-0x00007FF8EA3C0000-memory.dmp

Filesize
64KB

Download
memory/3844-135-0x00007FF8EA3B0000-0x00007FF8EA3C0000-memory.dmp

Filesize
64KB

Download
memory/3844-136-0x00007FF8EA3B0000-0x00007FF8EA3C0000-memory.dmp

Filesize
64KB

Download
memory/3844-137-0x00007FF8EA3B0000-0x00007FF8EA3C0000-memory.dmp

Filesize
64KB

Download
memory/3844-138-0x00007FF8E8190000-0x00007FF8E81A0000-memory.dmp

Filesize
64KB

Download
memory/3844-139-0x00007FF8E8190000-0x00007FF8E81A0000-memory.dmp

Filesize
64KB

Download
memory/3844-304-0x000001384E2B0000-0x000001384E4B0000-memory.dmp

Filesize
2.0MB

Download
memory/3844-649-0x000001384E2B0000-0x000001384E4B0000-memory.dmp

Filesize
2.0MB

Download