309fa7a49ec515910ccb0d8432e1bcc2bb7d9f8c252230177236e0a028488377

Analysis

max time kernel
140s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2024 13:20

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General

Target

ARRIVAL NOTICE.rtf
Size

155KB
MD5

f0b81727aaae72dd97b0420c46427ac2
SHA1

ae2806f7a923214a0e82f7a788f14a269a236315
SHA256

309fa7a49ec515910ccb0d8432e1bcc2bb7d9f8c252230177236e0a028488377
SHA512

c2c5ecc676b37699b23145b76b86628e5a61f810b8122917781d7112b56e58440a148b441e1bf28d083f33be59764a3106984a88a50410a0f034610743a2284b
SSDEEP

1536:ywAlRkwAlRkwAlRkwAlRwA96EHr0iQZpfNE:ywAlawAlawAlawAl6A96XiQDfNE

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

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

Processes:

WINWORD.EXE

pid process

764 WINWORD.EXE
764 WINWORD.EXE
764 WINWORD.EXE
764 WINWORD.EXE
764 WINWORD.EXE
764 WINWORD.EXE
764 WINWORD.EXE
764 WINWORD.EXE

pid	process
764	WINWORD.EXE
764	WINWORD.EXE

pid	process
764	WINWORD.EXE
764	WINWORD.EXE
764	WINWORD.EXE
764	WINWORD.EXE
764	WINWORD.EXE
764	WINWORD.EXE
764	WINWORD.EXE
764	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\ARRIVAL NOTICE.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Users\Admin\AppData\Local\Temp\TCD79E9.tmp\gb.xsl

Filesize
262KB

MD5
51d32ee5bc7ab811041f799652d26e04

SHA1
412193006aa3ef19e0a57e16acf86b830993024a

SHA256
6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

SHA512
5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

Download Submit
memory/764-11-0x00007FFEFAF30000-0x00007FFEFB125000-memory.dmp

Filesize
2.0MB

Download
memory/764-3-0x00007FFEBAFB0000-0x00007FFEBAFC0000-memory.dmp

Filesize
64KB

Download
memory/764-10-0x00007FFEFAF30000-0x00007FFEFB125000-memory.dmp

Filesize
2.0MB

Download
memory/764-4-0x00007FFEBAFB0000-0x00007FFEBAFC0000-memory.dmp

Filesize
64KB

Download
memory/764-5-0x00007FFEFAFCD000-0x00007FFEFAFCE000-memory.dmp

Filesize
4KB

Download
memory/764-6-0x00007FFEFAF30000-0x00007FFEFB125000-memory.dmp

Filesize
2.0MB

Download
memory/764-7-0x00007FFEFAF30000-0x00007FFEFB125000-memory.dmp

Filesize
2.0MB

Download
memory/764-8-0x00007FFEFAF30000-0x00007FFEFB125000-memory.dmp

Filesize
2.0MB

Download
memory/764-13-0x00007FFEB8EA0000-0x00007FFEB8EB0000-memory.dmp

Filesize
64KB

Download
memory/764-0-0x00007FFEBAFB0000-0x00007FFEBAFC0000-memory.dmp

Filesize
64KB

Download
memory/764-516-0x00007FFEFAF30000-0x00007FFEFB125000-memory.dmp

Filesize
2.0MB

Download
memory/764-1-0x00007FFEBAFB0000-0x00007FFEBAFC0000-memory.dmp

Filesize
64KB

Download
memory/764-9-0x00007FFEFAF30000-0x00007FFEFB125000-memory.dmp

Filesize
2.0MB

Download
memory/764-16-0x00007FFEFAF30000-0x00007FFEFB125000-memory.dmp

Filesize
2.0MB

Download
memory/764-19-0x00007FFEFAF30000-0x00007FFEFB125000-memory.dmp

Filesize
2.0MB

Download
memory/764-18-0x00007FFEFAF30000-0x00007FFEFB125000-memory.dmp

Filesize
2.0MB

Download
memory/764-17-0x00007FFEFAF30000-0x00007FFEFB125000-memory.dmp

Filesize
2.0MB

Download
memory/764-15-0x00007FFEFAF30000-0x00007FFEFB125000-memory.dmp

Filesize
2.0MB

Download
memory/764-14-0x00007FFEFAF30000-0x00007FFEFB125000-memory.dmp

Filesize
2.0MB

Download
memory/764-20-0x00007FFEB8EA0000-0x00007FFEB8EB0000-memory.dmp

Filesize
64KB

Download
memory/764-2-0x00007FFEBAFB0000-0x00007FFEBAFC0000-memory.dmp

Filesize
64KB

Download
memory/764-12-0x00007FFEFAF30000-0x00007FFEFB125000-memory.dmp

Filesize
2.0MB

Download