02f9d38714b8abb404c03b5250f815e60f5738ec15304d1265dbd57eb5668dc5

Analysis

max time kernel
118s
max time network
134s
platform
windows10_x64
resource
win10-en-20210920
submitted
28-10-2021 10:37

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General

Target

IMS211323.xlsx
Size

440KB
MD5

701ebd3214408e1be59b168c7146ec68
SHA1

86982833e9a8652efe8ca90c54ae87ab28b746f4
SHA256

02f9d38714b8abb404c03b5250f815e60f5738ec15304d1265dbd57eb5668dc5
SHA512

cef1d3cd181c663152f54616df125af3ba9e8e8113ecf97e3771e16be5e331e946876a36b83adc44ac7e0cf3783f5d31b93552b754c5c785e23a22528dd26de5

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

3564 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	EXCEL.EXE
3564	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\IMS211323.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3564

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/3564-115-0x00007FF905D60000-0x00007FF905D70000-memory.dmp

Filesize
64KB

Download
memory/3564-116-0x00007FF905D60000-0x00007FF905D70000-memory.dmp

Filesize
64KB

Download
memory/3564-117-0x00007FF905D60000-0x00007FF905D70000-memory.dmp

Filesize
64KB

Download
memory/3564-118-0x00007FF905D60000-0x00007FF905D70000-memory.dmp

Filesize
64KB

Download
memory/3564-119-0x00007FF905D60000-0x00007FF905D70000-memory.dmp

Filesize
64KB

Download
memory/3564-121-0x000001BEF1C60000-0x000001BEF1C62000-memory.dmp

Filesize
8KB

Download
memory/3564-120-0x000001BEF1C60000-0x000001BEF1C62000-memory.dmp

Filesize
8KB

Download
memory/3564-122-0x000001BEF1C60000-0x000001BEF1C62000-memory.dmp

Filesize
8KB

Download
memory/3564-128-0x00007FF9021F0000-0x00007FF902200000-memory.dmp

Filesize
64KB

Download
memory/3564-129-0x00007FF9021F0000-0x00007FF902200000-memory.dmp

Filesize
64KB

Download