04db053ddaf38c4d040e12c2ffdd19a98dbeb9cafb43e4ef397e95da97ba3036

Analysis

max time kernel
125s
max time network
132s
platform
windows10_x64
resource
win10-en-20210920
submitted
02-11-2021 13:53

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General

Target

PO0945.xlsx
Size

186KB
MD5

829b8d8b0cd21a5c5da2a4dee3ce93a6
SHA1

dc672309a13c1cd005fc06e2031e7e54b2bd3031
SHA256

04db053ddaf38c4d040e12c2ffdd19a98dbeb9cafb43e4ef397e95da97ba3036
SHA512

ca91d8ace393633ae4a9c92b70a32ab4f7717d4cf63e83a1e610db506c26e61dc5954d6281d922451ae0f6e650016fbc7e8195f05d06eb98bb7ccca77dacb625

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 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

3576 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	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\PO0945.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3576

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/3576-115-0x00007FFF0EB00000-0x00007FFF0EB10000-memory.dmp

Filesize
64KB

Download
memory/3576-116-0x00007FFF0EB00000-0x00007FFF0EB10000-memory.dmp

Filesize
64KB

Download
memory/3576-117-0x00007FFF0EB00000-0x00007FFF0EB10000-memory.dmp

Filesize
64KB

Download
memory/3576-118-0x00007FFF0EB00000-0x00007FFF0EB10000-memory.dmp

Filesize
64KB

Download
memory/3576-120-0x0000017CB5AA0000-0x0000017CB5AA2000-memory.dmp

Filesize
8KB

Download
memory/3576-119-0x0000017CB5AA0000-0x0000017CB5AA2000-memory.dmp

Filesize
8KB

Download
memory/3576-121-0x0000017CB5AA0000-0x0000017CB5AA2000-memory.dmp

Filesize
8KB

Download
memory/3576-127-0x00007FFF0EB00000-0x00007FFF0EB10000-memory.dmp

Filesize
64KB

Download