aa331051db461ff1dc760616f23770293a91257087fd079e2e76c122db7c0561

General

Target

Hoa don tien no/Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe
Size

339KB
MD5

ceaa5817a65e914aa178b28f12359a46
SHA1

534a7ea9c67bab3e8f2d41977bf43d41dfe951cf
SHA256

6c959cfb001fbb900958441dfd8b262fb33e052342948bab338775d3e83ef7f7
SHA512

fef4c0b451d18a9eb73045b3ddcd44450294f06c616cc7175850e6315a6265bd077c8fd09782c486eea624145c7d4c18f8e00a94c0deb394900f9b3e70e60320

Score

8^/10

macro xlm

Malware Config

Signatures

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\Office.doc	office_xlm_macros

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

Modifies registry class 1 IoCs

Processes:

Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000_Classes\Local Settings	Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1716 WINWORD.EXE
1716 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

1716 WINWORD.EXE
1716 WINWORD.EXE
1716 WINWORD.EXE
1716 WINWORD.EXE
1716 WINWORD.EXE
1716 WINWORD.EXE
1716 WINWORD.EXE

pid	process
1716	WINWORD.EXE
1716	WINWORD.EXE

pid	process
1716	WINWORD.EXE
1716	WINWORD.EXE
1716	WINWORD.EXE
1716	WINWORD.EXE
1716	WINWORD.EXE
1716	WINWORD.EXE
1716	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe

description	pid	process	target process
PID 4764 wrote to memory of 1716	4764	Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe	WINWORD.EXE
PID 4764 wrote to memory of 1716	4764	Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe	WINWORD.EXE

C:\Users\Admin\AppData\Local\Temp\Hoa don tien no\Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe
"C:\Users\Admin\AppData\Local\Temp\Hoa don tien no\Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4764

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\Office.doc" /o ""
2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1716

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

3

T1082

Query Registry

2

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Office.doc
MD5
76d0b64858e5772a13d44a4268bb1217

SHA1
39d0daedfb2af65dcbe88fa171d6100843c98c09

SHA256
35444de65a359a2206eaf4dbf394582543088b196e1e88a1029bf7531125cc5b

SHA512
bdae16ce85117eed1c25ce0a676b67a1754e8d2223d6f04216d6ec1aad77c98d9e30a9fa338fe051395e33e6d7043ef7e5572d03e9db64885e0efa99d279e20a

Download Submit
memory/1716-2-0x0000000000000000-mapping.dmp

Download
memory/1716-5-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Filesize
64KB

Download
memory/1716-6-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Filesize
64KB

Download
memory/1716-7-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Filesize
64KB

Download
memory/1716-8-0x00007FFBDFB40000-0x00007FFBE0177000-memory.dmp

Filesize
6.2MB

Download
memory/1716-9-0x00007FFBC05B0000-0x00007FFBC05C0000-memory.dmp

Filesize
64KB

Download
memory/4764-4-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/4764-3-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/4764-11-0x00000000031C0000-0x0000000003BC0000-memory.dmp

Filesize
10.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads