ed2c08cc6ff86d4538172c59b38a320c1757dd11ac04a1462637b121d1d8f5a4

Analysis

max time kernel
148s
max time network
149s
platform
windows10_x64
resource
win10v20201028
submitted
20-01-2021 21:00

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General

Target

case_inv 9892.xls
Size

31KB
MD5

44f45729bca249b782cd9b51ceb0cf22
SHA1

547f6f5f33484d0e9701e9a9bc81e709a63e2348
SHA256

ed2c08cc6ff86d4538172c59b38a320c1757dd11ac04a1462637b121d1d8f5a4
SHA512

c76015506de998cbf991e19ace7e38bfee2e9467a012f24fd7ccaa394a35e95001d14db994e4a378679261923c02c099afdf453560b011e5369c7aa58f81497e

Score

5^/10

ransomware

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082

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

640 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	EXCEL.EXE
640	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\case_inv 9892.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:640

Network

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/640-2-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

Download
memory/640-3-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

Download
memory/640-4-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

Download
memory/640-5-0x00007FF9E73C0000-0x00007FF9E79F7000-memory.dmp

Filesize
6.2MB

Download
memory/640-6-0x00007FF9C3DC0000-0x00007FF9C3DD0000-memory.dmp

Filesize
64KB

Download