7a5007785ba11a0fd7bf907798601308ba34f451e5b3580780090ac4b75925f1

Analysis

max time kernel
153s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2022 13:57

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General

Target

7a5007785ba11a0fd7bf907798601308ba34f451e5b3580780090ac4b75925f1.xls
Size

36KB
MD5

645e818659757ba49a67bcb5f4d441a9
SHA1

08eb6b50926bd827b6b11bace5cb29c47fd4f5be
SHA256

7a5007785ba11a0fd7bf907798601308ba34f451e5b3580780090ac4b75925f1
SHA512

0edc583274b45e4fa66964cf33917e79158314b8ffd537127d87e64290b67b81a3a10e00bc0c389c70234d25eef255911010bda99bd0fc656ecf86362dd63176
SSDEEP

768:JPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJapYsnMhiQcka7:Bok3hbdlylKsgqopeJBWhZFGkE+cL2ND

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

explorer.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2408	1008	explorer.exe	EXCEL.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:

EXCEL.EXE

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Modifies registry class 1 IoCs

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings explorer.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1008 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1008 EXCEL.EXE
1008 EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	explorer.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE
1008	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEexplorer.exe

description	pid	process	target process
PID 1008 wrote to memory of 2408	1008	EXCEL.EXE	explorer.exe
PID 1008 wrote to memory of 2408	1008	EXCEL.EXE	explorer.exe
PID 364 wrote to memory of 4772	364	explorer.exe	WScript.exe
PID 364 wrote to memory of 4772	364	explorer.exe	WScript.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\7a5007785ba11a0fd7bf907798601308ba34f451e5b3580780090ac4b75925f1.xls"
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:1008

C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\cHhg0.vbs
2⤵
- Process spawned unexpected child process
PID:2408

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:364

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\cHhg0.vbs"
2⤵
PID:4772

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\Public\Documents\cHhg0.vbs
Filesize
567B

MD5
7e7cca5c61b60fd418099fa120bb8314

SHA1
661a06a8c4043c26e46e517167208100e0560c06

SHA256
8cb42d4106bdcb4c19a51ddd0a3d7d0b657a23cd0a46b496ba2428bfe0dbbdea

SHA512
d3629596926661a705ad8b7f871b607944afe3d953e9a3d0b032dc9bdba499fa4dde58b299032111b2dc9b1d2e3b494bf44bdca047118a31a1890c15f6b2fe7e

Download Submit
memory/1008-132-0x00007FFDAD570000-0x00007FFDAD580000-memory.dmp

Filesize
64KB

Download
memory/1008-133-0x00007FFDAD570000-0x00007FFDAD580000-memory.dmp

Filesize
64KB

Download
memory/1008-134-0x00007FFDAD570000-0x00007FFDAD580000-memory.dmp

Filesize
64KB

Download
memory/1008-135-0x00007FFDAD570000-0x00007FFDAD580000-memory.dmp

Filesize
64KB

Download
memory/1008-136-0x00007FFDAD570000-0x00007FFDAD580000-memory.dmp

Filesize
64KB

Download
memory/1008-137-0x00007FFDAAC10000-0x00007FFDAAC20000-memory.dmp

Filesize
64KB

Download
memory/1008-138-0x00007FFDAAC10000-0x00007FFDAAC20000-memory.dmp

Filesize
64KB

Download
memory/2408-139-0x0000000000000000-mapping.dmp

Download
memory/4772-141-0x0000000000000000-mapping.dmp

Download