vjw0rm | 3be7dd44f3dd4e96f34da6bfec722fdeb5f1c7220bc11bb709825a07e6294c6e

General

Target

receipt.js
Size

66KB
MD5

97dca8a40e40a71719b53c1f2d1aa1ef
SHA1

1527242f0615a962d4987aa4a5f3f3c356579196
SHA256

3be7dd44f3dd4e96f34da6bfec722fdeb5f1c7220bc11bb709825a07e6294c6e
SHA512

9fd75526f17448b01f45f60842bfb060a797507adad20b0d2f5dd162e1a6a37949a43b89fdbddedf91c2db9f8c3e9f2dfe08dd35971bedc7e26fd05dfbdf3f6e

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

C2

http://zeegod.duckdns.org:9998

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
8	1660	wscript.exe
9	744	wscript.exe
10	1660	wscript.exe
11	1660	wscript.exe
15	1660	wscript.exe
16	1660	wscript.exe
18	1660	wscript.exe
21	1660	wscript.exe
22	1660	wscript.exe
25	1660	wscript.exe
27	1660	wscript.exe
29	1660	wscript.exe
31	1660	wscript.exe
33	1660	wscript.exe
35	1660	wscript.exe
37	1660	wscript.exe
39	1660	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\receipt.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wnVneYztZf.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wnVneYztZf.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-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Windows\CurrentVersion\Run\YSAGQWKNY8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\receipt.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2932610838-281738825-1127631353-1000\Software\Microsoft\Windows\CurrentVersion\Run\00FAYTSXGU = "\"C:\\Users\\Admin\\AppData\\Roaming\\wnVneYztZf.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

1972 schtasks.exe

pid	process
1972	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 744 wrote to memory of 1660	744	wscript.exe	wscript.exe
PID 744 wrote to memory of 1660	744	wscript.exe	wscript.exe
PID 744 wrote to memory of 1660	744	wscript.exe	wscript.exe
PID 744 wrote to memory of 1972	744	wscript.exe	schtasks.exe
PID 744 wrote to memory of 1972	744	wscript.exe	schtasks.exe
PID 744 wrote to memory of 1972	744	wscript.exe	schtasks.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\receipt.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:744

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\wnVneYztZf.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1660

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\receipt.js
2⤵
- Creates scheduled task(s)
PID:1972

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\wnVneYztZf.js
MD5
eaa8511b7082f30b4a6e46702014f014

SHA1
dbc2dfad64e5f7b00492743f706fddeed984fd9b

SHA256
545360cb2972730fa0cdcd01b56deab97cdbe4a113b626962ab20877c79586d2

SHA512
17cf9357656987f5c9595c8157cad0b864a836a2cf910bdaf67f1468838fff42fedde1cfe419487d177f9ef472d88a72378300230d6b2deb2cb56a6bc9d7c9f2

Download Submit
memory/744-54-0x000007FEFBB61000-0x000007FEFBB63000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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