vjw0rm | 58f2aec1d4020c14b45c8357512b8787eed4a4d208497d6866c29ee2f4f24cfb

General

Target

6W5MPAEEPH.js
Size

10KB
MD5

478634c9781a93f5c34e70623a62ee1e
SHA1

ed996dd6ea02d176c46c01f17ebe19c217d3ce5e
SHA256

58f2aec1d4020c14b45c8357512b8787eed4a4d208497d6866c29ee2f4f24cfb
SHA512

e3ba328dcf8f7766fe9e1b471cc9cd08d24da3d4b4e584262ed1ec4c8fbc972fd9d60e39c7f138390316d61f8292520900fa1b3d5fc0f65dc00dd85a08d6cacd

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm

Blocklisted process makes network request 9 IoCs

Processes:

wscript.exeWScript.exe

flow	pid	process
5	1084	wscript.exe
6	1084	wscript.exe
7	1084	wscript.exe
8	1084	wscript.exe
9	1084	wscript.exe
10	1084	wscript.exe
11	1084	wscript.exe
13	1084	wscript.exe
15	284	WScript.exe

Drops startup file 3 IoCs

Processes:

wscript.exeWScript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6W5MPAEEPH.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6W5MPAEEPH.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6W5MPAEEPH.js	WScript.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

WScript.exewscript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\OXKHGDB6LZ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\6W5MPAEEPH.js\""	WScript.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\OXKHGDB6LZ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\6W5MPAEEPH.js\""	wscript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1576 schtasks.exe
1380 schtasks.exe

pid	process
1576	schtasks.exe
1380	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

wscript.exetaskeng.exeWScript.exe

description	pid	process	target process
PID 1084 wrote to memory of 1576	1084	wscript.exe	schtasks.exe
PID 1084 wrote to memory of 1576	1084	wscript.exe	schtasks.exe
PID 1084 wrote to memory of 1576	1084	wscript.exe	schtasks.exe
PID 1860 wrote to memory of 284	1860	taskeng.exe	WScript.exe
PID 1860 wrote to memory of 284	1860	taskeng.exe	WScript.exe
PID 1860 wrote to memory of 284	1860	taskeng.exe	WScript.exe
PID 284 wrote to memory of 1380	284	WScript.exe	schtasks.exe
PID 284 wrote to memory of 1380	284	WScript.exe	schtasks.exe
PID 284 wrote to memory of 1380	284	WScript.exe	schtasks.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\6W5MPAEEPH.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1084

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\6W5MPAEEPH.js
2⤵
- Creates scheduled task(s)
PID:1576

C:\Windows\system32\taskeng.exe
taskeng.exe {0BBF30AC-D41A-4A54-9CBF-CF664664E8F1} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1860

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Local\Temp\6W5MPAEEPH.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:284

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\6W5MPAEEPH.js
3⤵
- Creates scheduled task(s)
PID:1380

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6W5MPAEEPH.js
MD5
478634c9781a93f5c34e70623a62ee1e

SHA1
ed996dd6ea02d176c46c01f17ebe19c217d3ce5e

SHA256
58f2aec1d4020c14b45c8357512b8787eed4a4d208497d6866c29ee2f4f24cfb

SHA512
e3ba328dcf8f7766fe9e1b471cc9cd08d24da3d4b4e584262ed1ec4c8fbc972fd9d60e39c7f138390316d61f8292520900fa1b3d5fc0f65dc00dd85a08d6cacd

Download Submit
memory/284-61-0x0000000000000000-mapping.dmp

Download
memory/1380-62-0x0000000000000000-mapping.dmp

Download
memory/1576-59-0x0000000000000000-mapping.dmp

Download
memory/1860-60-0x000007FEFBD91000-0x000007FEFBD93000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads