vjw0rm | 8e0718cf9229c3ec7a9bca40b38b5b0e61031e2fdee4511c8de665170c153598

General

Target

MPaycopy.js
Size

26KB
MD5

e50cc2184078acbb9886740526f92975
SHA1

64b74fe23a2eff712000b258f15e92e4dcb0ae28
SHA256

8e0718cf9229c3ec7a9bca40b38b5b0e61031e2fdee4511c8de665170c153598
SHA512

7fc55bc3271bf8dbf9adb52727d25953ffe170ab098dad8f83b75d2f7631651765b81224cfa5e47406d36e6c10591529a2eef2e25eac8e272dc9d0840988b915

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 48 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
9	1240	wscript.exe
10	1652	wscript.exe
11	1652	wscript.exe
13	1240	wscript.exe
14	1652	wscript.exe
15	1652	wscript.exe
17	1240	wscript.exe
19	1652	wscript.exe
20	1652	wscript.exe
23	1240	wscript.exe
24	1652	wscript.exe
25	1652	wscript.exe
26	1240	wscript.exe
28	1652	wscript.exe
29	1652	wscript.exe
31	1240	wscript.exe
33	1652	wscript.exe
34	1652	wscript.exe
36	1240	wscript.exe
38	1652	wscript.exe
40	1240	wscript.exe
41	1652	wscript.exe
42	1240	wscript.exe
44	1652	wscript.exe
46	1652	wscript.exe
48	1240	wscript.exe
49	1652	wscript.exe
50	1652	wscript.exe
53	1240	wscript.exe
54	1652	wscript.exe
55	1652	wscript.exe
57	1240	wscript.exe
59	1652	wscript.exe
60	1652	wscript.exe
61	1240	wscript.exe
63	1652	wscript.exe
64	1652	wscript.exe
67	1240	wscript.exe
68	1652	wscript.exe
69	1652	wscript.exe
71	1240	wscript.exe
73	1652	wscript.exe
75	1240	wscript.exe
76	1652	wscript.exe
77	1240	wscript.exe
79	1652	wscript.exe
80	1652	wscript.exe
83	1240	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\QFBaDfPcbm.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\QFBaDfPcbm.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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\QFBaDfPcbm.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\R343ND8XDN = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\MPaycopy.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 1652 wrote to memory of 1240	1652	wscript.exe	wscript.exe
PID 1652 wrote to memory of 1240	1652	wscript.exe	wscript.exe
PID 1652 wrote to memory of 1240	1652	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\MPaycopy.js
1⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\QFBaDfPcbm.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1240

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

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Downloads

C:\Users\Admin\AppData\Roaming\QFBaDfPcbm.js
MD5
1bd5ec41b28ca7cec093e8dfadef1d5b

SHA1
86fc74ba456c6fad7aca84f8f88046ea5fe0d519

SHA256
450211bd8dd2d26ed399750d602b70a3a35200bafd0398b6c6a63cf7c95e8d46

SHA512
3de650150406c1d421f06976e8afae0c7f694d2f7c368dbc7471179f82401a64fee143807ac1f9316a0815ee5abf5d34a6f3a8f65173af53961fdf9217313778

Download Submit
memory/1240-60-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads