vjw0rm | 0fe9f33914e59398a946e711307b64ec4ed7bf13fdf466be1750a77602772007

General

Target

receipt.js
Size

22KB
MD5

324c008ca3575a7b40ebec55eb1e17ce
SHA1

8a6058d5da5ce7a45029eaff6fdc048eb22bccbc
SHA256

0fe9f33914e59398a946e711307b64ec4ed7bf13fdf466be1750a77602772007
SHA512

a193ab7dbca59c81526a00c2606e5825495cc5a6f4a7c0d04af6af2bfaaab0bf560bedbf27fb7de8a71476d0facd62ec9cb94a74ad1907eeb91e0cfb68d63732

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 23 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
10	3692	wscript.exe
11	2396	wscript.exe
20	3692	wscript.exe
27	3692	wscript.exe
28	3692	wscript.exe
29	3692	wscript.exe
30	3692	wscript.exe
31	3692	wscript.exe
32	3692	wscript.exe
35	3692	wscript.exe
36	3692	wscript.exe
37	3692	wscript.exe
38	3692	wscript.exe
39	3692	wscript.exe
40	3692	wscript.exe
41	3692	wscript.exe
42	3692	wscript.exe
43	2396	wscript.exe
44	2396	wscript.exe
45	3692	wscript.exe
46	2396	wscript.exe
47	3692	wscript.exe
48	2396	wscript.exe

Drops startup file 3 IoCs

Processes:

wscript.exewscript.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CEXswmRIVn.js	wscript.exe
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\CEXswmRIVn.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-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\YSAGQWKNY8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\receipt.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\CEXswmRIVn.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

3256 schtasks.exe

pid	process
3256	schtasks.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 2396 wrote to memory of 3692	2396	wscript.exe	wscript.exe
PID 2396 wrote to memory of 3692	2396	wscript.exe	wscript.exe
PID 2396 wrote to memory of 3256	2396	wscript.exe	schtasks.exe
PID 2396 wrote to memory of 3256	2396	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:2396
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\CEXswmRIVn.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  PID:3692
- 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:3256

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\CEXswmRIVn.js

MD5
d0f1a684002735cf158c3fe44e2c0e94

SHA1
56e3369154b815344c30589ada5cbd198beb98fa

SHA256
c293fc6c91c5a4a889bb96411d58c7af35d623ab1392f8be4ae44874d15e0073

SHA512
fc1a4b3f90ec1e4fe97799cf7f248a4221747b0a226907bb53c8821498a4d0e582252a1f180de3f65e5ee0ec1f831bdc56ae8db02c60e76e71bbb72bb5c9b676

Download Submit
memory/3256-120-0x0000000000000000-mapping.dmp

Download
memory/3692-118-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads