27b4c7536a4044b0f7a08db959059c15883e080c56f81bf2c985c377cb3ebbad

Analysis

max time kernel
108s
max time network
128s
platform
windows10_x64
resource
win10-en-20211014
submitted
28-10-2021 15:20

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General

Target

KVD 25180299.xlsx
Size

488KB
MD5

3ea4d7fa257736ee5499186011e4de92
SHA1

7c3796317e67bd5c361123e1ab88fb0a7802ede9
SHA256

27b4c7536a4044b0f7a08db959059c15883e080c56f81bf2c985c377cb3ebbad
SHA512

b1adcc108f65b618ada3774998c6115548bd7c8ef362306ff8b549f313e47d5294803863f1f5351dd4b01414cf86a948b3075e6b0da80860f3bbd70e898b1f3c

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

3172 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	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\KVD 25180299.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3172

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/3172-115-0x00007FFD2B5F0000-0x00007FFD2B600000-memory.dmp

Filesize
64KB

Download
memory/3172-116-0x00007FFD2B5F0000-0x00007FFD2B600000-memory.dmp

Filesize
64KB

Download
memory/3172-117-0x00007FFD2B5F0000-0x00007FFD2B600000-memory.dmp

Filesize
64KB

Download
memory/3172-118-0x00007FFD2B5F0000-0x00007FFD2B600000-memory.dmp

Filesize
64KB

Download
memory/3172-119-0x00007FFD2B5F0000-0x00007FFD2B600000-memory.dmp

Filesize
64KB

Download
memory/3172-120-0x000002E097110000-0x000002E097112000-memory.dmp

Filesize
8KB

Download
memory/3172-121-0x000002E097110000-0x000002E097112000-memory.dmp

Filesize
8KB

Download
memory/3172-122-0x000002E097110000-0x000002E097112000-memory.dmp

Filesize
8KB

Download