5823cb05aaaf03a93a7d4a03c4207163701e79bf872d716525d8e8d2c15acc2b

Analysis

max time kernel
118s
max time network
136s
platform
windows10_x64
resource
win10-en-20210920
submitted
29-10-2021 08:06

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General

Target

008.xlsx
Size

369KB
MD5

c9d8f6b863cf269cc0d1ac8ac810b0b0
SHA1

4ef9b0fb96dc429586c8e2e29be2ead7a6a3434f
SHA256

5823cb05aaaf03a93a7d4a03c4207163701e79bf872d716525d8e8d2c15acc2b
SHA512

8b019b0044bd5a58eb1fccb97230f1e4c65d3a164b6a0bfce3543bd882334562a3163b5123cbde963772e0b1e68d58ac23baf2eb19a4ef0e6c7dd2dd9d742ae1

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\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2892 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2892	EXCEL.EXE
2892	EXCEL.EXE
2892	EXCEL.EXE
2892	EXCEL.EXE
2892	EXCEL.EXE
2892	EXCEL.EXE
2892	EXCEL.EXE
2892	EXCEL.EXE
2892	EXCEL.EXE
2892	EXCEL.EXE
2892	EXCEL.EXE
2892	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\008.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2892

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/2892-115-0x00007FFDD9650000-0x00007FFDD9660000-memory.dmp

Filesize
64KB

Download
memory/2892-116-0x00007FFDD9650000-0x00007FFDD9660000-memory.dmp

Filesize
64KB

Download
memory/2892-117-0x00007FFDD9650000-0x00007FFDD9660000-memory.dmp

Filesize
64KB

Download
memory/2892-118-0x00007FFDD9650000-0x00007FFDD9660000-memory.dmp

Filesize
64KB

Download
memory/2892-119-0x00000166EB210000-0x00000166EB212000-memory.dmp

Filesize
8KB

Download
memory/2892-120-0x00000166EB210000-0x00000166EB212000-memory.dmp

Filesize
8KB

Download
memory/2892-121-0x00007FFDD9650000-0x00007FFDD9660000-memory.dmp

Filesize
64KB

Download
memory/2892-122-0x00000166EB210000-0x00000166EB212000-memory.dmp

Filesize
8KB

Download
memory/2892-128-0x00007FFDD5F40000-0x00007FFDD5F50000-memory.dmp

Filesize
64KB

Download
memory/2892-129-0x00007FFDD5F40000-0x00007FFDD5F50000-memory.dmp

Filesize
64KB

Download