e8873f97fde35eedb0789d53e54eab443abf1dfe86c70283e46678e48e809695

Analysis

max time kernel
144s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2022 10:05

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General

Target

HB I.D Letter.doc
Size

226KB
MD5

aead733e85ac763cd45e7592930db0cb
SHA1

df92f409120f103940df76209b6367018b512b9e
SHA256

e8873f97fde35eedb0789d53e54eab443abf1dfe86c70283e46678e48e809695
SHA512

ad861c1f1dfcd75d52eaa549e6844cc44b7c10c9c22fa5717d8e2d05a80bc8a23300d5f1eb5d56585e43976e75d0e0d9a586e6cd5717eb6b5a0e077d1cc895df
SSDEEP

6144:N+okR5XNmxjsUTXJn7b953Kj7XTvrg0y:N2ItsUjl78r1y

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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

3060 WINWORD.EXE
3060 WINWORD.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

WINWORD.EXE

pid	process
3060	WINWORD.EXE
3060	WINWORD.EXE
3060	WINWORD.EXE
3060	WINWORD.EXE
3060	WINWORD.EXE
3060	WINWORD.EXE
3060	WINWORD.EXE
3060	WINWORD.EXE
3060	WINWORD.EXE
3060	WINWORD.EXE
3060	WINWORD.EXE
3060	WINWORD.EXE
3060	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\HB I.D Letter.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3060

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/3060-132-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmp

Filesize
64KB

Download
memory/3060-133-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmp

Filesize
64KB

Download
memory/3060-134-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmp

Filesize
64KB

Download
memory/3060-135-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmp

Filesize
64KB

Download
memory/3060-136-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmp

Filesize
64KB

Download
memory/3060-137-0x00007FFFBAAF0000-0x00007FFFBAB00000-memory.dmp

Filesize
64KB

Download
memory/3060-138-0x00007FFFBAAF0000-0x00007FFFBAB00000-memory.dmp

Filesize
64KB

Download
memory/3060-140-0x0000020E462F0000-0x0000020E462F4000-memory.dmp

Filesize
16KB

Download
memory/3060-141-0x0000020E3D410000-0x0000020E3D810000-memory.dmp

Filesize
4.0MB

Download
memory/3060-142-0x0000020E3D410000-0x0000020E3D810000-memory.dmp

Filesize
4.0MB

Download