vjw0rm | 1f9052ca261408f12934901fd1a8dd843138a8a7605a5aa1515374fa473b6153

General

Target

PO_00124563.js
Size

3KB
MD5

84f3ed3670d569603a669686ec959f29
SHA1

2ffc746cff0df8052944f69e57ce28badb8f8549
SHA256

8f75fa05aebed182cf2bf13cfe8b26720a76d1328fcfeb6eb2b25d65d0f3f6a2
SHA512

61245362e1a6840501d8c3859171cc32bf80784b387d0965e80b85cd72a56b73276324c6565298fd881c9a0605645d30a23aaface0d5191941daa0a4f636b423

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 3 IoCs

Processes:

wscript.exeWScript.execscript.exe

flow pid process

6 360 wscript.exe
10 1580 WScript.exe
12 920 cscript.exe

flow	pid	process
6	360	wscript.exe
10	1580	WScript.exe
12	920	cscript.exe

Drops startup file 4 IoCs

Processes:

wscript.exeWScript.execscript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO_00124563.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO_00124563.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO_00124563.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO_00124563.js	cscript.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cscript.exewscript.exeWScript.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\V3MC6BTMP1 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\PO_00124563.js\""	cscript.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\V3MC6BTMP1 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\PO_00124563.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\V3MC6BTMP1 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\PO_00124563.js\""	WScript.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	cscript.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 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

1676 schtasks.exe
1760 schtasks.exe
1344 schtasks.exe

pid	process
1676	schtasks.exe
1760	schtasks.exe
1344	schtasks.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

wscript.execmd.exeWScript.execscript.exe

description	pid	process	target process
PID 360 wrote to memory of 1344	360	wscript.exe	schtasks.exe
PID 360 wrote to memory of 1344	360	wscript.exe	schtasks.exe
PID 360 wrote to memory of 1344	360	wscript.exe	schtasks.exe
PID 2012 wrote to memory of 1580	2012	cmd.exe	WScript.exe
PID 2012 wrote to memory of 1580	2012	cmd.exe	WScript.exe
PID 2012 wrote to memory of 1580	2012	cmd.exe	WScript.exe
PID 1580 wrote to memory of 1676	1580	WScript.exe	schtasks.exe
PID 1580 wrote to memory of 1676	1580	WScript.exe	schtasks.exe
PID 1580 wrote to memory of 1676	1580	WScript.exe	schtasks.exe
PID 2012 wrote to memory of 920	2012	cmd.exe	cscript.exe
PID 2012 wrote to memory of 920	2012	cmd.exe	cscript.exe
PID 2012 wrote to memory of 920	2012	cmd.exe	cscript.exe
PID 920 wrote to memory of 1760	920	cscript.exe	schtasks.exe
PID 920 wrote to memory of 1760	920	cscript.exe	schtasks.exe
PID 920 wrote to memory of 1760	920	cscript.exe	schtasks.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\PO_00124563.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:360

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\PO_00124563.js
2⤵
- Creates scheduled task(s)
PID:1344

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2012

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\PO_00124563.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1580

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\PO_00124563.js
3⤵
- Creates scheduled task(s)
PID:1676

C:\Windows\system32\cscript.exe
cscript PO_00124563.js
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:920

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\PO_00124563.js
3⤵
- Creates scheduled task(s)
PID:1760

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO_00124563.js
MD5
84f3ed3670d569603a669686ec959f29

SHA1
2ffc746cff0df8052944f69e57ce28badb8f8549

SHA256
8f75fa05aebed182cf2bf13cfe8b26720a76d1328fcfeb6eb2b25d65d0f3f6a2

SHA512
61245362e1a6840501d8c3859171cc32bf80784b387d0965e80b85cd72a56b73276324c6565298fd881c9a0605645d30a23aaface0d5191941daa0a4f636b423

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO_00124563.js
MD5
84f3ed3670d569603a669686ec959f29

SHA1
2ffc746cff0df8052944f69e57ce28badb8f8549

SHA256
8f75fa05aebed182cf2bf13cfe8b26720a76d1328fcfeb6eb2b25d65d0f3f6a2

SHA512
61245362e1a6840501d8c3859171cc32bf80784b387d0965e80b85cd72a56b73276324c6565298fd881c9a0605645d30a23aaface0d5191941daa0a4f636b423

Download Submit
memory/360-59-0x000007FEFBC81000-0x000007FEFBC83000-memory.dmp

Filesize
8KB

Download
memory/920-66-0x0000000000000000-mapping.dmp

Download
memory/1344-60-0x0000000000000000-mapping.dmp

Download
memory/1580-62-0x0000000000000000-mapping.dmp

Download
memory/1676-64-0x0000000000000000-mapping.dmp

Download
memory/1760-68-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads