37ce585f1134a397310c7f79b87be04eb0ce7b6c162f3e6523db5c0b7cd3f57d

Target

Invoice-343244_20211021.xlsb
Size

243KB
MD5

3196a0b77b44ba792558614a4aa236a1
SHA1

3110961e72744c54c4129291dc1a3d39d4b0b3e6
SHA256

37ce585f1134a397310c7f79b87be04eb0ce7b6c162f3e6523db5c0b7cd3f57d
SHA512

52df9c0de8fff1f22d696ed3a72fcf1166587b944815de74b6d0b397b488c6182fbf69211efdb5f870064f61ee5899432d0c72667b7a2432729ac7afa7cf1b58

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

2172 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
2172	EXCEL.EXE
2172	EXCEL.EXE
2172	EXCEL.EXE
2172	EXCEL.EXE
2172	EXCEL.EXE
2172	EXCEL.EXE
2172	EXCEL.EXE
2172	EXCEL.EXE
2172	EXCEL.EXE
2172	EXCEL.EXE
2172	EXCEL.EXE
2172	EXCEL.EXE
2172	EXCEL.EXE
2172	EXCEL.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\Invoice-343244_20211021.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2172

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/2172-115-0x00007FFEE1440000-0x00007FFEE1450000-memory.dmp

Filesize
64KB

Download
memory/2172-116-0x00007FFEE1440000-0x00007FFEE1450000-memory.dmp

Filesize
64KB

Download
memory/2172-117-0x00007FFEE1440000-0x00007FFEE1450000-memory.dmp

Filesize
64KB

Download
memory/2172-118-0x00007FFEE1440000-0x00007FFEE1450000-memory.dmp

Filesize
64KB

Download
memory/2172-120-0x0000022620810000-0x0000022620812000-memory.dmp

Filesize
8KB

Download
memory/2172-119-0x0000022620810000-0x0000022620812000-memory.dmp

Filesize
8KB

Download
memory/2172-121-0x0000022620810000-0x0000022620812000-memory.dmp

Filesize
8KB

Download
memory/2172-127-0x00007FFEE1440000-0x00007FFEE1450000-memory.dmp

Filesize
64KB

Download
memory/2172-162-0x0000022620810000-0x0000022620812000-memory.dmp

Filesize
8KB

Download
memory/2172-163-0x0000022620810000-0x0000022620812000-memory.dmp

Filesize
8KB

Download
memory/2172-173-0x0000022620810000-0x0000022620812000-memory.dmp

Filesize
8KB

Download
memory/2172-174-0x0000022620810000-0x0000022620812000-memory.dmp

Filesize
8KB

Download
memory/2172-176-0x0000022620810000-0x0000022620812000-memory.dmp

Filesize
8KB

Download
memory/2172-177-0x0000022620810000-0x0000022620812000-memory.dmp

Filesize
8KB

Download
memory/2172-179-0x0000022620810000-0x0000022620812000-memory.dmp

Filesize
8KB

Download