1c3eca48b5a5aae95cc8806485418b6f7133c86eb2916a53776ba3d2964af21c

Analysis

max time kernel
150s
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
19-04-2023 07:22

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General

Target

2023 FSC 21-27 SIRGIL dettaglio progetti x ipa RR e RUP_.xls
Size

74KB
MD5

39ef2d85f892497a313f2d241e178633
SHA1

f3d07275334213787b4dd3de7d605b15b9d3cd7e
SHA256

1c3eca48b5a5aae95cc8806485418b6f7133c86eb2916a53776ba3d2964af21c
SHA512

36baa7cc274dba547b5d68d16c36d2440d8a31844041fecaee7f93329180deb79115778161d00c85f8c81183aa1949bf5aad9f353645cff10581552be79ab09f
SSDEEP

1536:8llYkRIbTkKBEqEXugsYD0Bzyxb3LYCCzSwyulCKiaXTHfZ1u6bgsEmSzinF:8llYkRIPPm3eNYD0Bzyxb3LYCCzSwyuD

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 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

1200 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1200 EXCEL.EXE
1200 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1200	EXCEL.EXE
1200	EXCEL.EXE
1200	EXCEL.EXE
1200	EXCEL.EXE
1200	EXCEL.EXE
1200	EXCEL.EXE
1200	EXCEL.EXE
1200	EXCEL.EXE
1200	EXCEL.EXE
1200	EXCEL.EXE
1200	EXCEL.EXE
1200	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1200 wrote to memory of 2236	1200	EXCEL.EXE	splwow64.exe
PID 1200 wrote to memory of 2236	1200	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\2023 FSC 21-27 SIRGIL dettaglio progetti x ipa RR e RUP_.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:1200

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2236

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4460

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/1200-133-0x00007FFB0BBB0000-0x00007FFB0BBC0000-memory.dmp

Filesize
64KB

Download
memory/1200-135-0x00007FFB0BBB0000-0x00007FFB0BBC0000-memory.dmp

Filesize
64KB

Download
memory/1200-134-0x00007FFB0BBB0000-0x00007FFB0BBC0000-memory.dmp

Filesize
64KB

Download
memory/1200-136-0x00007FFB0BBB0000-0x00007FFB0BBC0000-memory.dmp

Filesize
64KB

Download
memory/1200-137-0x00007FFB0BBB0000-0x00007FFB0BBC0000-memory.dmp

Filesize
64KB

Download
memory/1200-138-0x00007FFB09A50000-0x00007FFB09A60000-memory.dmp

Filesize
64KB

Download
memory/1200-139-0x00007FFB09A50000-0x00007FFB09A60000-memory.dmp

Filesize
64KB

Download