vjw0rm | a642b246cc03750cb7968703d5a17b8c3823599cfc78d9dcc7d6b8e613f98bb3

General

Target

Order32763.js
Size

23KB
MD5

e4eb55ac626bc25b72296d2dd2b1f3fb
SHA1

7576d84093c04f1fe086100dc577d542fc7960d5
SHA256

a642b246cc03750cb7968703d5a17b8c3823599cfc78d9dcc7d6b8e613f98bb3
SHA512

f7f12bdeba8496182f06e26859b270d2d84b7435ef0bb5b2d867c272503f2c0755e4670044157cf3f542ae3bcaee534ec6a7b67c52f3d3f8d80ae830828eec8a

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

C2

http://37.120.137.227:29563

Signatures

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

Blocklisted process makes network request 18 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
7	948	wscript.exe
8	1508	wscript.exe
9	1508	wscript.exe
12	1508	wscript.exe
14	1508	wscript.exe
16	1508	wscript.exe
19	1508	wscript.exe
21	1508	wscript.exe
23	1508	wscript.exe
25	1508	wscript.exe
28	1508	wscript.exe
31	1508	wscript.exe
33	1508	wscript.exe
35	1508	wscript.exe
38	1508	wscript.exe
40	1508	wscript.exe
43	1508	wscript.exe
44	1508	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\Order32763.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Order32763.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\EVyOkSchlF.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\EVyOkSchlF.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-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\NCSH8GWAZB = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Order32763.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\EVyOkSchlF.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

1656 schtasks.exe

pid	process
1656	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 948 wrote to memory of 1508	948	wscript.exe	wscript.exe
PID 948 wrote to memory of 1508	948	wscript.exe	wscript.exe
PID 948 wrote to memory of 1508	948	wscript.exe	wscript.exe
PID 948 wrote to memory of 1656	948	wscript.exe	schtasks.exe
PID 948 wrote to memory of 1656	948	wscript.exe	schtasks.exe
PID 948 wrote to memory of 1656	948	wscript.exe	schtasks.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Order32763.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:948

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\EVyOkSchlF.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1508

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Local\Temp\Order32763.js
2⤵
- Creates scheduled task(s)
PID:1656

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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\EVyOkSchlF.js
MD5
1a2a06c9b9377f182094c437ccafd3de

SHA1
923c7f81f8266f0753d6a7bf9591e06be5c35a4e

SHA256
873d6b1b90d36b2bf0be2a34df85fba65c95267a0c07976ec5de4633bbdf4345

SHA512
fcf37c4da3e954631997810be27809742a2a88df792f8a54b82ab21ca2a2958b0c5feb2e3497bc70a27050cb9519192304573e0a48d97fd669a4e27943106f84

Download Submit
memory/948-55-0x000007FEFBA71000-0x000007FEFBA73000-memory.dmp

Filesize
8KB

Download
memory/1508-56-0x0000000000000000-mapping.dmp

Download
memory/1656-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads