8246e04a9979f16d303903d1f899bc9e5fca8e830d5d44cd1b9070d09e01a85c

Analysis

max time kernel
136s
max time network
131s
platform
windows10_x64
resource
win10v20201028
submitted
23-02-2021 13:03

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General

Target

BL.docx
Size

11KB
MD5

fc66a3769634961a13db2ae87003e6ec
SHA1

b7ba704348fbe46679ccb933ebc005b396ddbfe1
SHA256

8246e04a9979f16d303903d1f899bc9e5fca8e830d5d44cd1b9070d09e01a85c
SHA512

364cd01d7e3f93465ae3e4fda72f618cbcdc0029f8a71dc96b518b06b7acdd652b4e9feac7b2b3f010f895692520273188252c6ad0388fe49fbd463d77aebef3

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

4684 WINWORD.EXE
4684 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WINWORD.EXE

description pid process

Token: SeAuditPrivilege 4684 WINWORD.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

WINWORD.EXE

pid process

4684 WINWORD.EXE
4684 WINWORD.EXE
4684 WINWORD.EXE
4684 WINWORD.EXE
4684 WINWORD.EXE
4684 WINWORD.EXE

pid	process
4684	WINWORD.EXE
4684	WINWORD.EXE

description	pid	process
Token: SeAuditPrivilege	4684	WINWORD.EXE

pid	process
4684	WINWORD.EXE
4684	WINWORD.EXE
4684	WINWORD.EXE
4684	WINWORD.EXE
4684	WINWORD.EXE
4684	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\BL.docx" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4684

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/4684-2-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp

Filesize
64KB

Download
memory/4684-3-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp

Filesize
64KB

Download
memory/4684-4-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp

Filesize
64KB

Download
memory/4684-5-0x00007FFEE49A0000-0x00007FFEE4FD7000-memory.dmp

Filesize
6.2MB

Download
memory/4684-6-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp

Filesize
64KB

Download