43b70d6f8bd360f7ad9bcb4f9f0bd70adbab27a733d27ec320168e1a127d8481

Analysis

max time kernel
148s
max time network
149s
platform
windows10_x64
resource
win10v20210410
submitted
03-05-2021 13:02

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General

Target

01efad1d_by_Libranalysis.doc
Size

10KB
MD5

01efad1d21685954881771187b7c89a3
SHA1

27a25eb720a4463bc31ce42d344cb42e634c3ef8
SHA256

43b70d6f8bd360f7ad9bcb4f9f0bd70adbab27a733d27ec320168e1a127d8481
SHA512

80e44521033828bcd8943870d751139ae76b38e2d02f3dce8ac56df322c2ebc70d92fb8036850be373e8f0e23c4649a3b774523a3431cf59888a42e2c5e1e955

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

4436 WINWORD.EXE
4436 WINWORD.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WINWORD.EXE

description pid process

Token: SeAuditPrivilege 4436 WINWORD.EXE

description	pid	process
Token: SeAuditPrivilege	4436	WINWORD.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

WINWORD.EXE

pid	process
4436	WINWORD.EXE
4436	WINWORD.EXE
4436	WINWORD.EXE
4436	WINWORD.EXE
4436	WINWORD.EXE
4436	WINWORD.EXE
4436	WINWORD.EXE
4436	WINWORD.EXE
4436	WINWORD.EXE
4436	WINWORD.EXE
4436	WINWORD.EXE
4436	WINWORD.EXE
4436	WINWORD.EXE
4436	WINWORD.EXE
4436	WINWORD.EXE
4436	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\01efad1d_by_Libranalysis.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4436

Network

MITRE ATT&CK Enterprise v6

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

memory/4436-114-0x00007FF9B4570000-0x00007FF9B4580000-memory.dmp

Filesize
64KB

Download
memory/4436-115-0x00007FF9B4570000-0x00007FF9B4580000-memory.dmp

Filesize
64KB

Download
memory/4436-116-0x00007FF9B4570000-0x00007FF9B4580000-memory.dmp

Filesize
64KB

Download
memory/4436-117-0x00007FF9B4570000-0x00007FF9B4580000-memory.dmp

Filesize
64KB

Download
memory/4436-119-0x00007FF9B4570000-0x00007FF9B4580000-memory.dmp

Filesize
64KB

Download
memory/4436-118-0x00007FF9D57A0000-0x00007FF9D82C3000-memory.dmp

Filesize
43.1MB

Download
memory/4436-122-0x00007FF9D0AC0000-0x00007FF9D1BAE000-memory.dmp

Filesize
16.9MB

Download
memory/4436-123-0x00007FF9CD9E0000-0x00007FF9CF8D5000-memory.dmp

Filesize
31.0MB

Download