vjw0rm | ee80374831fab3f0f3adff5866ec8dacfd1001454b416c121ec5dcba099c5a51

General

Target

BookingDetails.js
Size

31KB
MD5

fa7455d6a61fb3e6188ac979bbe934e7
SHA1

79015b30c58c35330d500967afbf6f1ba5e9f924
SHA256

ee80374831fab3f0f3adff5866ec8dacfd1001454b416c121ec5dcba099c5a51
SHA512

981662d3abbc5022a456509a352e9c5fa998d10aab21a99a1f082105f085696243281b669302e22b8059b1f8b30ea0aba98a5d14945c17a22f86ad06bf3f3747

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 49 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
8	1804	wscript.exe
9	1672	wscript.exe
10	1672	wscript.exe
11	1804	wscript.exe
13	1672	wscript.exe
14	1672	wscript.exe
15	1804	wscript.exe
17	1672	wscript.exe
19	1672	wscript.exe
21	1804	wscript.exe
23	1672	wscript.exe
24	1672	wscript.exe
25	1804	wscript.exe
27	1672	wscript.exe
28	1672	wscript.exe
29	1804	wscript.exe
32	1672	wscript.exe
33	1672	wscript.exe
34	1804	wscript.exe
37	1672	wscript.exe
38	1804	wscript.exe
39	1672	wscript.exe
40	1804	wscript.exe
42	1672	wscript.exe
43	1672	wscript.exe
45	1804	wscript.exe
47	1672	wscript.exe
48	1672	wscript.exe
50	1804	wscript.exe
52	1672	wscript.exe
53	1672	wscript.exe
54	1804	wscript.exe
56	1672	wscript.exe
58	1672	wscript.exe
59	1804	wscript.exe
61	1672	wscript.exe
62	1672	wscript.exe
64	1804	wscript.exe
66	1672	wscript.exe
67	1672	wscript.exe
68	1804	wscript.exe
71	1672	wscript.exe
72	1804	wscript.exe
73	1672	wscript.exe
74	1804	wscript.exe
76	1672	wscript.exe
77	1672	wscript.exe
79	1804	wscript.exe
81	1672	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\tHpwtWlHkV.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tHpwtWlHkV.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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\tHpwtWlHkV.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 3 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 1672 wrote to memory of 1804	1672	wscript.exe	wscript.exe
PID 1672 wrote to memory of 1804	1672	wscript.exe	wscript.exe
PID 1672 wrote to memory of 1804	1672	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\BookingDetails.js
1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\tHpwtWlHkV.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1804

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\tHpwtWlHkV.js
MD5
f8c499a37127e740518507c1d3a2caa3

SHA1
9798bedde67191ad5f515d30fe30b6616965355f

SHA256
10ab2382646c3af7434f6db3001f43954b57e3274ab8780e031663af06506d9c

SHA512
5886f47fe9abc391a79ac17c84b9387f8b8258dcea754dbe21332b5d7e8c818d0b62e527e0a5291f66ade5dcfd1e16d62fbbfb19787256f79ff2dd7b2b214a50

Download Submit
memory/1804-60-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads