6a93492f04506bcc6d5f0ab1199766a03e39cc4a4b3e668c3de238b8ce86ce5e

Analysis

max time kernel
121s
max time network
150s
platform
windows10_x64
resource
win10-en-20210920
submitted
21-10-2021 06:05

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General

Target

PO9683.xlsx
Size

369KB
MD5

4dc7f582251c5b4e39c264de6762da49
SHA1

e1d9d7b3b07459deae3cdd4e069c017c90a43e5b
SHA256

6a93492f04506bcc6d5f0ab1199766a03e39cc4a4b3e668c3de238b8ce86ce5e
SHA512

ef8fd4e395b5d70dcc3d910c624e1e2c15a0a4912c830ac1dbf8f92c9531efd16d51c8aad9c3358063c2116ccc2660b2a152f133151c033e686e1c18a58f8cf9

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

3708 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3708	EXCEL.EXE
3708	EXCEL.EXE
3708	EXCEL.EXE
3708	EXCEL.EXE
3708	EXCEL.EXE
3708	EXCEL.EXE
3708	EXCEL.EXE
3708	EXCEL.EXE
3708	EXCEL.EXE
3708	EXCEL.EXE
3708	EXCEL.EXE
3708	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\PO9683.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3708

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/3708-115-0x00007FFC1A9F0000-0x00007FFC1AA00000-memory.dmp

Filesize
64KB

Download
memory/3708-116-0x00007FFC1A9F0000-0x00007FFC1AA00000-memory.dmp

Filesize
64KB

Download
memory/3708-117-0x00007FFC1A9F0000-0x00007FFC1AA00000-memory.dmp

Filesize
64KB

Download
memory/3708-118-0x00007FFC1A9F0000-0x00007FFC1AA00000-memory.dmp

Filesize
64KB

Download
memory/3708-119-0x0000024C8AF30000-0x0000024C8AF32000-memory.dmp

Filesize
8KB

Download
memory/3708-120-0x0000024C8AF30000-0x0000024C8AF32000-memory.dmp

Filesize
8KB

Download
memory/3708-121-0x00007FFC1A9F0000-0x00007FFC1AA00000-memory.dmp

Filesize
64KB

Download
memory/3708-122-0x0000024C8AF30000-0x0000024C8AF32000-memory.dmp

Filesize
8KB

Download