93e3236b047c6ed504bb5d8fc19aefd24509fb3146e3b5cfb75d62da0815cd31

Analysis

max time kernel
110s
max time network
123s
platform
windows10_x64
resource
win10-en-20210920
submitted
29-10-2021 11:50

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General

Target

7.xlsx
Size

540KB
MD5

9b50011e2e440ce076593d979f5d88b2
SHA1

2483b34c8abc0f8366c7113a713c52029699c4d2
SHA256

93e3236b047c6ed504bb5d8fc19aefd24509fb3146e3b5cfb75d62da0815cd31
SHA512

4e52521b7c5576fee55a5258e4265ec3bdab60f4e03336cfef21fbffef32bbdcb8feafe016601e648eee61af0d8b538bc92fbb66ee2e0c6b90773c38f1fa1999

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

3728 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3728	EXCEL.EXE
3728	EXCEL.EXE
3728	EXCEL.EXE
3728	EXCEL.EXE
3728	EXCEL.EXE
3728	EXCEL.EXE
3728	EXCEL.EXE
3728	EXCEL.EXE
3728	EXCEL.EXE
3728	EXCEL.EXE
3728	EXCEL.EXE
3728	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\7.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3728

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/3728-115-0x00007FF80F600000-0x00007FF80F610000-memory.dmp

Filesize
64KB

Download
memory/3728-116-0x00007FF80F600000-0x00007FF80F610000-memory.dmp

Filesize
64KB

Download
memory/3728-117-0x00007FF80F600000-0x00007FF80F610000-memory.dmp

Filesize
64KB

Download
memory/3728-118-0x00007FF80F600000-0x00007FF80F610000-memory.dmp

Filesize
64KB

Download
memory/3728-119-0x00007FF80F600000-0x00007FF80F610000-memory.dmp

Filesize
64KB

Download
memory/3728-120-0x000001E7EB980000-0x000001E7EB982000-memory.dmp

Filesize
8KB

Download
memory/3728-121-0x000001E7EB980000-0x000001E7EB982000-memory.dmp

Filesize
8KB

Download
memory/3728-122-0x000001E7EB980000-0x000001E7EB982000-memory.dmp

Filesize
8KB

Download