vjw0rm | 528452ce702d1bc05f0c968137625ae1518faf152aeac200948e39974c6ef4cf

General

Target

528452ce702d1bc05f0c968137625ae1518faf152aeac200948e39974c6ef4cf.js
Size

307KB
MD5

d3d3edd039a3e591e822bb981e7e1fc7
SHA1

dc79c1c6268f32dbe746394868db3d23bd4e4126
SHA256

528452ce702d1bc05f0c968137625ae1518faf152aeac200948e39974c6ef4cf
SHA512

f377e3a8d3816130cf5db479e980bfad2b2dc13b86b7eee297b0fb9982a808751e429bbd10263fa6b61a066869e67bb88205ae83f27d5527e99cd7c9b5dfba95

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

C2

http://dwal-vesj.duckdns.org:29563

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
8	1316	wscript.exe
9	460	wscript.exe
10	460	wscript.exe
12	460	wscript.exe
14	460	wscript.exe
16	460	wscript.exe
17	460	wscript.exe
20	460	wscript.exe
21	460	wscript.exe
23	460	wscript.exe
25	460	wscript.exe
27	460	wscript.exe
28	460	wscript.exe
31	460	wscript.exe
32	460	wscript.exe
34	460	wscript.exe
36	460	wscript.exe
38	460	wscript.exe
39	460	wscript.exe

Drops startup file 4 IoCs

Processes:

wscript.exewscript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\528452ce702d1bc05f0c968137625ae1518faf152aeac200948e39974c6ef4cf.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\528452ce702d1bc05f0c968137625ae1518faf152aeac200948e39974c6ef4cf.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cAcMvTWMWr.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cAcMvTWMWr.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-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\XXM15XR7UO = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\528452ce702d1bc05f0c968137625ae1518faf152aeac200948e39974c6ef4cf.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\cAcMvTWMWr.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

1828 schtasks.exe

pid	process
1828	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 1316 wrote to memory of 460	1316	wscript.exe	wscript.exe
PID 1316 wrote to memory of 460	1316	wscript.exe	wscript.exe
PID 1316 wrote to memory of 460	1316	wscript.exe	wscript.exe
PID 1316 wrote to memory of 1828	1316	wscript.exe	schtasks.exe
PID 1316 wrote to memory of 1828	1316	wscript.exe	schtasks.exe
PID 1316 wrote to memory of 1828	1316	wscript.exe	schtasks.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\528452ce702d1bc05f0c968137625ae1518faf152aeac200948e39974c6ef4cf.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\cAcMvTWMWr.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  PID:460
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\528452ce702d1bc05f0c968137625ae1518faf152aeac200948e39974c6ef4cf.js
  2⤵
  - Creates scheduled task(s)
  PID:1828

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\cAcMvTWMWr.js

MD5
3dc6e38070337cd2f2ad3212b8f01374

SHA1
d19f419607ba2f2f64689f1ed43b4ddd2df2a8b2

SHA256
e81b55f2232dfaea360908e0046d4997a030f9e8113e5ca8f02a6f3598a4c111

SHA512
2e4e75339c0c2b775f90d4e8ed865dd9f3e9fc8603b6244f80ae64eede38806b8f76954698b5d0e41c31b4243520fc441c964c55ad481629cdd36eb4b98f7514

Download Submit
memory/460-55-0x0000000000000000-mapping.dmp

Download
memory/1828-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads