acc4be02b6d345725689351b0de0b19ea35f356a60df8cf92318fe9ff96e474f

Analysis

max time kernel
137s
max time network
151s
platform
windows10_x64
resource
win10-en-20211208
submitted
31-01-2022 04:25

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General

Target

W6902.xlsx
Size

187KB
MD5

69795e78fb23e13a62ebc183ef90b3ed
SHA1

e16a17d9001daf722aab876d3dab010218af2a23
SHA256

acc4be02b6d345725689351b0de0b19ea35f356a60df8cf92318fe9ff96e474f
SHA512

77d20558c55569551b3e232a5b3f500ae5056fb13634a50bbadcda1ebdfefe6685d04479a6ae01e58c2a7ec3d0565c887a53d74000d7fe6b5c1404267fb4f651

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

3152 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	EXCEL.EXE
3152	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\W6902.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3152

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/3152-118-0x00007FF879910000-0x00007FF879920000-memory.dmp

Filesize
64KB

Download
memory/3152-119-0x00007FF879910000-0x00007FF879920000-memory.dmp

Filesize
64KB

Download
memory/3152-120-0x00007FF879910000-0x00007FF879920000-memory.dmp

Filesize
64KB

Download
memory/3152-121-0x00007FF879910000-0x00007FF879920000-memory.dmp

Filesize
64KB

Download
memory/3152-124-0x00007FF879910000-0x00007FF879920000-memory.dmp

Filesize
64KB

Download
memory/3152-131-0x00007FF8760E0000-0x00007FF8760F0000-memory.dmp

Filesize
64KB

Download
memory/3152-132-0x00007FF8760E0000-0x00007FF8760F0000-memory.dmp

Filesize
64KB

Download
memory/3152-293-0x00007FF879910000-0x00007FF879920000-memory.dmp

Filesize
64KB

Download
memory/3152-294-0x00007FF879910000-0x00007FF879920000-memory.dmp

Filesize
64KB

Download
memory/3152-295-0x00007FF879910000-0x00007FF879920000-memory.dmp

Filesize
64KB

Download
memory/3152-296-0x00007FF879910000-0x00007FF879920000-memory.dmp

Filesize
64KB

Download