67d9df139ef84d58456c5aa203283af9aafdcc4cfde70d842b0fdb73d4c3efc1

Analysis

max time kernel
173s
max time network
177s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
05-04-2023 09:13

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General

Target

11e794058ecb3d3dd1fd975634b563cd.xlsm
Size

22KB
MD5

11e794058ecb3d3dd1fd975634b563cd
SHA1

51d1b041f4d27e8f30ef37c1ad5cac5d1811461b
SHA256

670927d85201a76cfb890dc54ec6deeae90b2b5a01c6b8f848345abb4dfbc560
SHA512

70e02ba1b310c7114f90af6b766e8bf5574738d1f6d1f0c22c2a7f7feaf6513a0c0a26a9b8ea84e26d0e061b425c7952706ddda26013cf5d41a044e80fe822b8
SSDEEP

384:STK7RcVRozUlM9zQW8LQ+3hinvv1kqj4JLPARSGd:NVZzx0XalIJzAR1

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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2288 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2288 EXCEL.EXE
2288 EXCEL.EXE

Suspicious use of SetWindowsHookEx 15 IoCs

Processes:

EXCEL.EXE

pid	process
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE
2288	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2288 wrote to memory of 4368	2288	EXCEL.EXE	splwow64.exe
PID 2288 wrote to memory of 4368	2288	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\11e794058ecb3d3dd1fd975634b563cd.xlsm"
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:2288

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:4368

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/2288-121-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

Filesize
64KB

Download
memory/2288-122-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

Filesize
64KB

Download
memory/2288-123-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

Filesize
64KB

Download
memory/2288-124-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

Filesize
64KB

Download
memory/2288-133-0x00007FFD00630000-0x00007FFD00640000-memory.dmp

Filesize
64KB

Download
memory/2288-134-0x00007FFD00630000-0x00007FFD00640000-memory.dmp

Filesize
64KB

Download
memory/2288-273-0x0000022BF24B0000-0x0000022BF24DF000-memory.dmp

Filesize
188KB

Download
memory/2288-321-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

Filesize
64KB

Download
memory/2288-322-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

Filesize
64KB

Download
memory/2288-323-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

Filesize
64KB

Download
memory/2288-324-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

Filesize
64KB

Download
memory/2288-325-0x0000022BF24B0000-0x0000022BF24DF000-memory.dmp

Filesize
188KB

Download