b31ab1aa44953eb1e2371a7c4750ab24ac44497ee45244f7fe5940d9280f0ab5

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2024 01:50

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General

Target

b31ab1aa44953eb1e2371a7c4750ab24ac44497ee45244f7fe5940d9280f0ab5.rtf
Size

327KB
MD5

e639a26040e4180f739ee0cd78f65c64
SHA1

7f7aee13556a622d65bf1a2387bb74b9e728430b
SHA256

b31ab1aa44953eb1e2371a7c4750ab24ac44497ee45244f7fe5940d9280f0ab5
SHA512

7455d2bc3739f421eebd52ea4719ae43331833b1897eea7555e54a50876fcc89f4b23153987bbbe96b55277276604f15ce073573da0b86ef5c77e8dfa4dc4b8f
SSDEEP

3072:YsXvKMEesXvKMEesXvKMEesXvKMEesXvKMEesXvKMEiC6ghyl7LI9:5KMeKMeKMeKMeKMeKMrC9hyl7LI9

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1692 WINWORD.EXE
1692 WINWORD.EXE
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

WINWORD.EXE

pid process

1692 WINWORD.EXE
1692 WINWORD.EXE
1692 WINWORD.EXE
1692 WINWORD.EXE
1692 WINWORD.EXE
1692 WINWORD.EXE
1692 WINWORD.EXE
1692 WINWORD.EXE
1692 WINWORD.EXE

pid	process
1692	WINWORD.EXE
1692	WINWORD.EXE

pid	process
1692	WINWORD.EXE
1692	WINWORD.EXE
1692	WINWORD.EXE
1692	WINWORD.EXE
1692	WINWORD.EXE
1692	WINWORD.EXE
1692	WINWORD.EXE
1692	WINWORD.EXE
1692	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\b31ab1aa44953eb1e2371a7c4750ab24ac44497ee45244f7fe5940d9280f0ab5.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1692

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\TCDD38B.tmp\gb.xsl
Filesize
262KB

MD5
51d32ee5bc7ab811041f799652d26e04

SHA1
412193006aa3ef19e0a57e16acf86b830993024a

SHA256
6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

SHA512
5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

Download Submit
memory/1692-6-0x00007FFB3FD50000-0x00007FFB3FD60000-memory.dmp

Filesize
64KB

Download
memory/1692-4-0x00007FFB3FD50000-0x00007FFB3FD60000-memory.dmp

Filesize
64KB

Download
memory/1692-13-0x00007FFB3D7A0000-0x00007FFB3D7B0000-memory.dmp

Filesize
64KB

Download
memory/1692-5-0x00007FFB7FCD0000-0x00007FFB7FEC5000-memory.dmp

Filesize
2.0MB

Download
memory/1692-14-0x00007FFB3D7A0000-0x00007FFB3D7B0000-memory.dmp

Filesize
64KB

Download
memory/1692-0-0x00007FFB3FD50000-0x00007FFB3FD60000-memory.dmp

Filesize
64KB

Download
memory/1692-8-0x00007FFB3FD50000-0x00007FFB3FD60000-memory.dmp

Filesize
64KB

Download
memory/1692-28-0x00007FFB7FCD0000-0x00007FFB7FEC5000-memory.dmp

Filesize
2.0MB

Download
memory/1692-9-0x00007FFB7FCD0000-0x00007FFB7FEC5000-memory.dmp

Filesize
2.0MB

Download
memory/1692-10-0x00007FFB7FCD0000-0x00007FFB7FEC5000-memory.dmp

Filesize
2.0MB

Download
memory/1692-11-0x00007FFB7FCD0000-0x00007FFB7FEC5000-memory.dmp

Filesize
2.0MB

Download
memory/1692-12-0x00007FFB7FCD0000-0x00007FFB7FEC5000-memory.dmp

Filesize
2.0MB

Download
memory/1692-3-0x00007FFB7FCD0000-0x00007FFB7FEC5000-memory.dmp

Filesize
2.0MB

Download
memory/1692-2-0x00007FFB3FD50000-0x00007FFB3FD60000-memory.dmp

Filesize
64KB

Download
memory/1692-7-0x00007FFB7FCD0000-0x00007FFB7FEC5000-memory.dmp

Filesize
2.0MB

Download
memory/1692-29-0x00007FFB7FCD0000-0x00007FFB7FEC5000-memory.dmp

Filesize
2.0MB

Download
memory/1692-30-0x00007FFB7FCD0000-0x00007FFB7FEC5000-memory.dmp

Filesize
2.0MB

Download
memory/1692-1-0x00007FFB7FCD0000-0x00007FFB7FEC5000-memory.dmp

Filesize
2.0MB

Download
memory/1692-531-0x00007FFB3FD50000-0x00007FFB3FD60000-memory.dmp

Filesize
64KB

Download
memory/1692-532-0x00007FFB3FD50000-0x00007FFB3FD60000-memory.dmp

Filesize
64KB

Download
memory/1692-533-0x00007FFB3FD50000-0x00007FFB3FD60000-memory.dmp

Filesize
64KB

Download
memory/1692-534-0x00007FFB3FD50000-0x00007FFB3FD60000-memory.dmp

Filesize
64KB

Download
memory/1692-535-0x00007FFB7FCD0000-0x00007FFB7FEC5000-memory.dmp

Filesize
2.0MB

Download
memory/1692-536-0x00007FFB7FCD0000-0x00007FFB7FEC5000-memory.dmp

Filesize
2.0MB

Download
memory/1692-537-0x00007FFB7FCD0000-0x00007FFB7FEC5000-memory.dmp

Filesize
2.0MB

Download