vjw0rm | 779d2a6161c86c42ce9ed2888117b72a6778f050153654a0d9c0aa1e3ec3cfdc

General

Target

receipt.js
Size

66KB
MD5

6f3064d19d9af3374af22dd40df47850
SHA1

9a663a6b13430cc5018a23b348850ff76644f5fb
SHA256

779d2a6161c86c42ce9ed2888117b72a6778f050153654a0d9c0aa1e3ec3cfdc
SHA512

f8ba075afddbb3f3f7f64af145cbd9e70c02710689c70d47959f3e9ca38593bc29a6c28896ffb19621802a09981ebf31a96630d9cff115c91e25335f18e21f85

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

C2

http://zeegod.duckdns.org:9001

Signatures

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

Blocklisted process makes network request 17 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
23	4520	wscript.exe
24	4364	wscript.exe
29	4520	wscript.exe
30	4520	wscript.exe
39	4520	wscript.exe
40	4520	wscript.exe
41	4520	wscript.exe
44	4520	wscript.exe
46	4520	wscript.exe
47	4520	wscript.exe
48	4520	wscript.exe
49	4520	wscript.exe
50	4520	wscript.exe
53	4520	wscript.exe
54	4520	wscript.exe
55	4520	wscript.exe
56	4520	wscript.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

wscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 4 IoCs

Processes:

wscript.exewscript.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\GHCfqroCHm.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\receipt.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\receipt.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\GHCfqroCHm.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-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LMOXHX511V = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\receipt.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\00FAYTSXGU = "\"C:\\Users\\Admin\\AppData\\Roaming\\GHCfqroCHm.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

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 4364 wrote to memory of 4520	4364	wscript.exe	wscript.exe
PID 4364 wrote to memory of 4520	4364	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\receipt.js
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4364

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\GHCfqroCHm.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:4520

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\GHCfqroCHm.js
MD5
eaa8511b7082f30b4a6e46702014f014

SHA1
dbc2dfad64e5f7b00492743f706fddeed984fd9b

SHA256
545360cb2972730fa0cdcd01b56deab97cdbe4a113b626962ab20877c79586d2

SHA512
17cf9357656987f5c9595c8157cad0b864a836a2cf910bdaf67f1468838fff42fedde1cfe419487d177f9ef472d88a72378300230d6b2deb2cb56a6bc9d7c9f2

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads