c45eacade4845c8cf141724b92d6fd4401d30233b18b17e295d2d7a9a8944c40

Analysis

max time kernel
134s
max time network
142s
platform
windows10_x64
resource
win10v20210408
submitted
14-10-2021 05:36

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General

Target

destinations.xlsx
Size

339KB
MD5

a4bb01370caeb6363f6dc7923585481e
SHA1

3eff08923d9b179edcc99fe52d95a46755eac939
SHA256

c45eacade4845c8cf141724b92d6fd4401d30233b18b17e295d2d7a9a8944c40
SHA512

0e361f54ff22f9d8ca6315ef7bd85734a55f982a4e7f1f021dadddbbf1a8802f8f68d17ada8a90faa4a351a282aaa915f92738d0eb2b968a6b947e1ded318570

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 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

628 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
628	EXCEL.EXE
628	EXCEL.EXE
628	EXCEL.EXE
628	EXCEL.EXE
628	EXCEL.EXE
628	EXCEL.EXE
628	EXCEL.EXE
628	EXCEL.EXE
628	EXCEL.EXE
628	EXCEL.EXE
628	EXCEL.EXE
628	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\destinations.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:628

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/628-114-0x00007FFF50D30000-0x00007FFF50D40000-memory.dmp

Filesize
64KB

Download
memory/628-115-0x00007FFF50D30000-0x00007FFF50D40000-memory.dmp

Filesize
64KB

Download
memory/628-116-0x00007FFF50D30000-0x00007FFF50D40000-memory.dmp

Filesize
64KB

Download
memory/628-117-0x00007FFF50D30000-0x00007FFF50D40000-memory.dmp

Filesize
64KB

Download
memory/628-118-0x0000025AA68C0000-0x0000025AA68C2000-memory.dmp

Filesize
8KB

Download
memory/628-119-0x0000025AA68C0000-0x0000025AA68C2000-memory.dmp

Filesize
8KB

Download
memory/628-120-0x00007FFF50D30000-0x00007FFF50D40000-memory.dmp

Filesize
64KB

Download
memory/628-121-0x0000025AA68C0000-0x0000025AA68C2000-memory.dmp

Filesize
8KB

Download