6b2e23e38be7ad27c11af03599f5caaf69dff237e39a5ffb1904db398e613221

Analysis

max time kernel
128s
max time network
144s
platform
windows10_x64
resource
win10v20210408
submitted
13-04-2021 09:00

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General

Target

2021lk049443.doc
Size

1.1MB
MD5

67cb98b84a7db5f2f69023b0c5c08309
SHA1

9f04a27bb59ac6842ea400c95af131612bfe00f9
SHA256

6b2e23e38be7ad27c11af03599f5caaf69dff237e39a5ffb1904db398e613221
SHA512

fd6ad0a85ae2cd37e278c5cf702e67508b606108fd2c5854d52e37574088204db47d015251cde5dd75fe60b155440ed0aa8a735fd9b0fc5d423bda58458fb512

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

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

Processes:

WINWORD.EXE

pid process

584 WINWORD.EXE
584 WINWORD.EXE
584 WINWORD.EXE
584 WINWORD.EXE
584 WINWORD.EXE
584 WINWORD.EXE
584 WINWORD.EXE
584 WINWORD.EXE

pid	process
584	WINWORD.EXE
584	WINWORD.EXE

pid	process
584	WINWORD.EXE
584	WINWORD.EXE
584	WINWORD.EXE
584	WINWORD.EXE
584	WINWORD.EXE
584	WINWORD.EXE
584	WINWORD.EXE
584	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\2021lk049443.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:584

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/584-114-0x00007FF9EE820000-0x00007FF9EE830000-memory.dmp

Filesize
64KB

Download
memory/584-115-0x00007FF9EE820000-0x00007FF9EE830000-memory.dmp

Filesize
64KB

Download
memory/584-116-0x00007FF9EE820000-0x00007FF9EE830000-memory.dmp

Filesize
64KB

Download
memory/584-117-0x00007FF9EE820000-0x00007FF9EE830000-memory.dmp

Filesize
64KB

Download
memory/584-119-0x00007FF9EE820000-0x00007FF9EE830000-memory.dmp

Filesize
64KB

Download
memory/584-118-0x00007FFA0F060000-0x00007FFA11B83000-memory.dmp

Filesize
43.1MB

Download
memory/584-122-0x00007FFA094C0000-0x00007FFA0A5AE000-memory.dmp

Filesize
16.9MB

Download
memory/584-123-0x00007FFA075C0000-0x00007FFA094B5000-memory.dmp

Filesize
31.0MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads