vjw0rm | ddb9205dd6921da69e80e86a70c935be328dfd6c9559e6bf1a7d7dda92267ceb

General

Target

PO-Order 4500324718.js
Size

45KB
MD5

f8386388be14928dcf22d1e1752be75c
SHA1

0d9f55e0580d39acd03651379366d172517638b4
SHA256

ddb9205dd6921da69e80e86a70c935be328dfd6c9559e6bf1a7d7dda92267ceb
SHA512

3a61511f6b2c259aeb6d97d6cb9ff2a9d316bb1029ee647c3b45c53ed03188c12d6d9f2710e37e87035943c7fc6804df37af614cf0315dac5cdcc4e4d4ae442b

Score

10^/10

vjw0rm persistence suricata trojan worm

Malware Config

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata

Blocklisted process makes network request 15 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
5	1992	wscript.exe
8	1976	wscript.exe
9	1976	wscript.exe
12	1976	wscript.exe
15	1976	wscript.exe
18	1976	wscript.exe
21	1976	wscript.exe
23	1976	wscript.exe
25	1976	wscript.exe
27	1976	wscript.exe
31	1976	wscript.exe
33	1976	wscript.exe
35	1976	wscript.exe
37	1976	wscript.exe
39	1976	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\hQmuBCMosF.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\hQmuBCMosF.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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\hQmuBCMosF.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 1992 wrote to memory of 1976	1992	wscript.exe	wscript.exe
PID 1992 wrote to memory of 1976	1992	wscript.exe	wscript.exe
PID 1992 wrote to memory of 1976	1992	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\PO-Order 4500324718.js"
1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\hQmuBCMosF.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1976

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

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Downloads

C:\Users\Admin\AppData\Roaming\hQmuBCMosF.js
Filesize
17KB

MD5
c2518c838be74ed1d74e96eb8107a047

SHA1
9bc3eed3a61e9c894c365430a652318b4c00cdf0

SHA256
74470b878e6b534df7c3615f7369d15ed7019b99a9dd5d63b0a2e184ac452175

SHA512
cb5877dc4a1e37c15b95bfe388f8b4cda3790428c8c1fcd009588cf6e4e5f6130bde80e8603c9f66af37e6283002c2a0b805cf20efb873647ce2600e321f2fb8

Download Submit
memory/1976-55-0x0000000000000000-mapping.dmp

Download
memory/1992-54-0x000007FEFB871000-0x000007FEFB873000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads