vjw0rm | 6915f06eb48cc9d71dbc136313c6a935b36844641f9b2ae1e85e08ccc74d8e73

General

Target

Payment proof.js
Size

201KB
MD5

7371063acbfacc81ffdeaeea7e75eb99
SHA1

28ee63662467f1ab7c682eec227b66db7ccadeca
SHA256

6915f06eb48cc9d71dbc136313c6a935b36844641f9b2ae1e85e08ccc74d8e73
SHA512

8b3bebb2cd6f97a49f98e3072393ea6ad2f46e0f4ba4a25b1293c10b1fe75e192800d6b47c60b03680934517e35d2dc6c4786f0122785675e1cc2e247fa292dd

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Signatures

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

Blocklisted process makes network request 18 IoCs

Processes:

WScript.exe

flow	pid	process
12	2608	WScript.exe
17	2608	WScript.exe
20	2608	WScript.exe
21	2608	WScript.exe
22	2608	WScript.exe
23	2608	WScript.exe
24	2608	WScript.exe
25	2608	WScript.exe
26	2608	WScript.exe
27	2608	WScript.exe
28	2608	WScript.exe
29	2608	WScript.exe
30	2608	WScript.exe
31	2608	WScript.exe
32	2608	WScript.exe
33	2608	WScript.exe
34	2608	WScript.exe
35	2608	WScript.exe

Drops startup file 2 IoCs

Processes:

WScript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PNIsXqzyQf.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PNIsXqzyQf.js	WScript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

WScript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\PNIsXqzyQf.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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

196 2684 WerFault.exe javaw.exe
Modifies registry class 1 IoCs

Processes:

wscript.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings wscript.exe

pid	pid_target	process	target process
196	2684	WerFault.exe	javaw.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings	wscript.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

WerFault.exe

pid	process
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe
196	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 196 WerFault.exe

description	pid	process
Token: SeDebugPrivilege	196	WerFault.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 4072 wrote to memory of 2608	4072	wscript.exe	WScript.exe
PID 4072 wrote to memory of 2608	4072	wscript.exe	WScript.exe
PID 4072 wrote to memory of 2684	4072	wscript.exe	javaw.exe
PID 4072 wrote to memory of 2684	4072	wscript.exe	javaw.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Payment proof.js"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4072

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\PNIsXqzyQf.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2608

C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
"C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\otzpdutd.txt"
2⤵
PID:2684

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2684 -s 352
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:196

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\PNIsXqzyQf.js
MD5
93451bfa41b44af1f45d80b9feb2a73d

SHA1
ea15542e8ebf859d751de6af1af3966d73a16f1a

SHA256
9ee8fb95e2771cf84659aa10cfa773a90ba5d58b577f489ec808d6fce7fbd6cb

SHA512
145be16dfce485c7c32077689c581e06f8bc1af9bc0f1e2fb8e02ddd7eafc11f5fa8a7a263e09bde4ee89d68bee4486cc8ccd939a15113b467ccadc42e4a1cbd

Download Submit
C:\Users\Admin\AppData\Roaming\otzpdutd.txt
MD5
06f61cd3d0cdf9257fcdac6483d4c1ba

SHA1
f4eec20fdbc68dbdd8bb5fd1dfecd918b099ef2f

SHA256
424ba40767618afade696d3714c1ba1960ff91e3bc1658fa510cd2332baf2a2f

SHA512
9aa7d19fb9999d0414d2399e14ccf43b66cbd6a1bf54be6538b6a0a9e9ac096bdc065a43e4d776ed5cd01a14562446fcd535979b0756781e132e13b27b575657

Download Submit
memory/2608-114-0x0000000000000000-mapping.dmp

Download
memory/2684-115-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads