vjw0rm | 289560b71f8a92b09ec3ba851c74411dfc4ad7a2d33434e272e5aa06f53495d4

Analysis

max time kernel
146s
max time network
154s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
19-07-2022 18:07

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General

Target

stLbWbDhor_p0wer.js
Size

6KB
MD5

fcd73eadcaf23aa849c386ab29645ee0
SHA1

6c22a65b42240b3b7aee87839e307c0bd7f44e03
SHA256

289560b71f8a92b09ec3ba851c74411dfc4ad7a2d33434e272e5aa06f53495d4
SHA512

e1819a2c2c9b49a872fd22abb869c6d0d806c32669544f623e2c95407ba6003e75ef444b4ebbed25cea52b7b73ea045ee17cced6a470faf6ee2602048c60ef94

Score

10^/10

vjw0rm trojan worm

Malware Config

Extracted

Family

vjw0rm

http://198.23.212.140:63006

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
Blocklisted process makes network request 1 IoCs

Processes:

wscript.exe

flow pid process

3 1908 wscript.exe

flow	pid	process
3	1908	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\stLbWbDhor_p0wer.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\stLbWbDhor_p0wer.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 1908 wrote to memory of 1732	1908	wscript.exe	wscript.exe
PID 1908 wrote to memory of 1732	1908	wscript.exe	wscript.exe
PID 1908 wrote to memory of 1732	1908	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\stLbWbDhor_p0wer.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\sYxElHPDqQ.js"
2⤵
PID:1732

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\sYxElHPDqQ.js
Filesize
490B

MD5
5d759c556897dfdaeca83ab056a7b8cc

SHA1
62ee293ca3230797f20fb7766a0cf96e8b0715c3

SHA256
e2911b2f3795d6a447466da5679b52ee4c1d6433ca2800fea82cd592f8246e98

SHA512
a1d68d9cce47aa6a4340950f35c0570cdea2ec12f123b7e11f02bbb60fdc7d6be528038a7cb8c4b4331c9d214ce53d93c3c9825f2c24fa52a72bd9a692f282c7

Download Submit
memory/1732-55-0x0000000000000000-mapping.dmp

Download
memory/1908-54-0x000007FEFB6E1000-0x000007FEFB6E3000-memory.dmp

Filesize
8KB

Download