vjw0rm | b18be335fb0f42452659e206d097036abb5d63e9c31c6af9b89588b81f1b42fa

General

Target

SKM_12102021110021.js
Size

204KB
MD5

f7f0fb3bd069507c55637774e8105ebe
SHA1

886b54c5e1d0323e6ee772bd917348c46c744b84
SHA256

b18be335fb0f42452659e206d097036abb5d63e9c31c6af9b89588b81f1b42fa
SHA512

9dbeadbc5f20cffb9bb2dd92e13776393dc8cf52cd1ea7d86f11d8adb7f92aeb475b94185af021549aa6e5fb7e0537f49484e56939503cabede4e2951f1e5c54

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

C2

http://spdxx.ddns.net:5050

Signatures

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

Blocklisted process makes network request 19 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
13	3596	wscript.exe
15	4172	wscript.exe
20	4172	wscript.exe
30	4172	wscript.exe
35	4172	wscript.exe
38	4172	wscript.exe
39	4172	wscript.exe
40	4172	wscript.exe
43	4172	wscript.exe
44	4172	wscript.exe
45	4172	wscript.exe
46	4172	wscript.exe
47	4172	wscript.exe
48	4172	wscript.exe
49	4172	wscript.exe
52	4172	wscript.exe
53	4172	wscript.exe
54	4172	wscript.exe
55	4172	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\ngGGoeITIo.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ngGGoeITIo.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SKM_12102021110021.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-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\ngGGoeITIo.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\0WENLYRIM2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\SKM_12102021110021.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4232 schtasks.exe

pid	process
4232	schtasks.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 3596 wrote to memory of 4172	3596	wscript.exe	wscript.exe
PID 3596 wrote to memory of 4172	3596	wscript.exe	wscript.exe
PID 3596 wrote to memory of 4232	3596	wscript.exe	schtasks.exe
PID 3596 wrote to memory of 4232	3596	wscript.exe	schtasks.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\SKM_12102021110021.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3596

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\ngGGoeITIo.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:4172

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\SKM_12102021110021.js
2⤵
- Creates scheduled task(s)
PID:4232

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\ngGGoeITIo.js
MD5
7db09fa062fc15fe398354ea6a8eb9d0

SHA1
50b1d107a7a928f4e497d1b906fc64d54e35889e

SHA256
760c58616f41b780cfb7234fa103e41b2f1ca64077662c5baaa10ad4a8bf55f0

SHA512
9da59156087ee1aeda7809d1c2b11bd0eaab2254ed2da248d7760937d8b725c554c65706594135e7224606a25c0953b54895c7af9c60106eac99b0246db1d5db

Download Submit
memory/4172-115-0x0000000000000000-mapping.dmp

Download
memory/4232-117-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads