2267b22300385798f7b786c3d80c00299b9346d4d330ad6f13687a44d14a95f9

Analysis

max time kernel
156s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 11:48

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General

Target

2267b22300385798f7b786c3d80c00299b9346d4d330ad6f13687a44d14a95f9.xls
Size

130KB
MD5

e6c114dad2b3f606383ea4c6213d302b
SHA1

824e7324eee99c27471863daef5be5f1801fc6be
SHA256

2267b22300385798f7b786c3d80c00299b9346d4d330ad6f13687a44d14a95f9
SHA512

9b6491736854560894f3fdf3b482f33bf4fed305031839d7b0138d2e15b08bb9b1ac37b948748947e7f37b146f12ba069a2cdfb2a1b690006b60655616867d49
SSDEEP

1536:tGNNNNh4QJLEANqXyoNNEzBx/QLb8/qnYVGD1uHRTdVVErC3y:0UU3y

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:

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2252 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
2252	EXCEL.EXE
2252	EXCEL.EXE
2252	EXCEL.EXE
2252	EXCEL.EXE
2252	EXCEL.EXE
2252	EXCEL.EXE
2252	EXCEL.EXE
2252	EXCEL.EXE
2252	EXCEL.EXE
2252	EXCEL.EXE
2252	EXCEL.EXE
2252	EXCEL.EXE
2252	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2252 wrote to memory of 3408	2252	EXCEL.EXE	splwow64.exe
PID 2252 wrote to memory of 3408	2252	EXCEL.EXE	splwow64.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\2267b22300385798f7b786c3d80c00299b9346d4d330ad6f13687a44d14a95f9.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2252

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:3408

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:1300

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/2252-132-0x00007FFE83C30000-0x00007FFE83C40000-memory.dmp

Filesize
64KB

Download
memory/2252-133-0x00007FFE83C30000-0x00007FFE83C40000-memory.dmp

Filesize
64KB

Download
memory/2252-134-0x00007FFE83C30000-0x00007FFE83C40000-memory.dmp

Filesize
64KB

Download
memory/2252-135-0x00007FFE83C30000-0x00007FFE83C40000-memory.dmp

Filesize
64KB

Download
memory/2252-136-0x00007FFE83C30000-0x00007FFE83C40000-memory.dmp

Filesize
64KB

Download
memory/2252-137-0x00007FFE81370000-0x00007FFE81380000-memory.dmp

Filesize
64KB

Download
memory/2252-138-0x00007FFE81370000-0x00007FFE81380000-memory.dmp

Filesize
64KB

Download
memory/3408-139-0x0000000000000000-mapping.dmp

Download