d590113d786474dda028703f5cf2dbf1e2f4c03ae06e4032af83bdefaa670216

Analysis

max time kernel
111s
max time network
140s
platform
windows10_x64
resource
win10v20210408
submitted
17-09-2021 20:24

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General

Target

672300912.xlsx
Size

588KB
MD5

f45c96d01984b479b9c586f7686e0727
SHA1

4a0293afdd747d2b75bc686e6d2556a6271dc413
SHA256

d590113d786474dda028703f5cf2dbf1e2f4c03ae06e4032af83bdefaa670216
SHA512

2f6ceebc0872412716780f872303f3b1363c684ebc11c7c0771748d390ec37acd2c652f779e262622e9a9aec26a11a6ab99993255b5503059ca2cc1aa0d51fc5

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

648 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
648	EXCEL.EXE
648	EXCEL.EXE
648	EXCEL.EXE
648	EXCEL.EXE
648	EXCEL.EXE
648	EXCEL.EXE
648	EXCEL.EXE
648	EXCEL.EXE
648	EXCEL.EXE
648	EXCEL.EXE
648	EXCEL.EXE
648	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\672300912.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:648

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/648-114-0x00007FF6BA880000-0x00007FF6BDE36000-memory.dmp

Filesize
53.7MB

Download
memory/648-115-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/648-116-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/648-117-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/648-118-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/648-121-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/648-122-0x00007FFAE6530000-0x00007FFAE761E000-memory.dmp

Filesize
16.9MB

Download
memory/648-123-0x00007FFAE4630000-0x00007FFAE6525000-memory.dmp

Filesize
31.0MB

Download
memory/648-350-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/648-351-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/648-353-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download
memory/648-352-0x00007FFAC4B10000-0x00007FFAC4B20000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads