49c28f562c417590a96bb63b2ff2f3b763ec65347c103cee014044349be2dde5

Analysis

max time kernel
174s
max time network
127s
platform
windows10_x64
resource
win10-en-20211014
submitted
10-11-2021 14:15

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General

Target

2205821.xlsx
Size

227KB
MD5

3baed0b944b707cfc4dbc55f04d7c060
SHA1

cd3b1eeadef3c0fc996286270912b2d39b117d33
SHA256

49c28f562c417590a96bb63b2ff2f3b763ec65347c103cee014044349be2dde5
SHA512

b25622eb3fde2da917ebe757ef42ece5516f29ebfed679db09d0af56484a3e05f6f35c1bbccc7e1f6290b4af14702ee861a1ca40a26a797fc7d0664d8a6aece2

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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

3248 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
3248	EXCEL.EXE
3248	EXCEL.EXE
3248	EXCEL.EXE
3248	EXCEL.EXE
3248	EXCEL.EXE
3248	EXCEL.EXE
3248	EXCEL.EXE
3248	EXCEL.EXE
3248	EXCEL.EXE
3248	EXCEL.EXE
3248	EXCEL.EXE
3248	EXCEL.EXE
3248	EXCEL.EXE
3248	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\2205821.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3248

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/3248-115-0x00007FFCF9770000-0x00007FFCF9780000-memory.dmp

Filesize
64KB

Download
memory/3248-116-0x00007FFCF9770000-0x00007FFCF9780000-memory.dmp

Filesize
64KB

Download
memory/3248-117-0x00007FFCF9770000-0x00007FFCF9780000-memory.dmp

Filesize
64KB

Download
memory/3248-118-0x00007FFCF9770000-0x00007FFCF9780000-memory.dmp

Filesize
64KB

Download
memory/3248-119-0x00007FFCF9770000-0x00007FFCF9780000-memory.dmp

Filesize
64KB

Download
memory/3248-120-0x00000200DA0C0000-0x00000200DA0C2000-memory.dmp

Filesize
8KB

Download
memory/3248-121-0x00000200DA0C0000-0x00000200DA0C2000-memory.dmp

Filesize
8KB

Download
memory/3248-122-0x00000200DA0C0000-0x00000200DA0C2000-memory.dmp

Filesize
8KB

Download