517eb00d2c56a5f1f083dcf451664a95cd3732ba4335792dddacb0ed12111613

Analysis

max time kernel
120s
max time network
137s
platform
windows10_x64
resource
win10v20210410
submitted
27-07-2021 18:49

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General

Target

Payment advice.doc.rtf
Size

87KB
MD5

10c55ac6b300e7e64a787ecd1ee95de5
SHA1

d958db330fc03846193371c52ec959ef3f310705
SHA256

517eb00d2c56a5f1f083dcf451664a95cd3732ba4335792dddacb0ed12111613
SHA512

aede5abf1e74c0215ba78fb3173629c2defe576a99d6461589d0f388a0456b5d5a2019c9621f44ca3df7e83ebe7e48b4ddb65cf8f397bb990f1a3e7b440a4eca

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:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3920 WINWORD.EXE
3920 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

3920 WINWORD.EXE
3920 WINWORD.EXE
3920 WINWORD.EXE
3920 WINWORD.EXE
3920 WINWORD.EXE
3920 WINWORD.EXE
3920 WINWORD.EXE
3920 WINWORD.EXE

pid	process
3920	WINWORD.EXE
3920	WINWORD.EXE

pid	process
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE
3920	WINWORD.EXE

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Payment advice.doc.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3920

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/3920-114-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/3920-115-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/3920-116-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/3920-117-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/3920-119-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/3920-118-0x00007FF970470000-0x00007FF972F93000-memory.dmp

Filesize
43.1MB

Download
memory/3920-122-0x00007FF969780000-0x00007FF96A86E000-memory.dmp

Filesize
16.9MB

Download
memory/3920-123-0x00007FF967880000-0x00007FF969775000-memory.dmp

Filesize
31.0MB

Download
memory/3920-341-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/3920-340-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/3920-342-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download
memory/3920-343-0x00007FF94EEB0000-0x00007FF94EEC0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads