vjw0rm | 0a0ec4f64f4efa303729198bba3975932c9e22bd8da317e31fc1a3029b29008f

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7v20201028
submitted
26-03-2021 18:20

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General

Target

90900rder-Receipt.js
Size

99KB
MD5

9040ae2e4483d24ceb81966b052df3d5
SHA1

237429befe90f85cb70250812e08546424f27e2d
SHA256

0a0ec4f64f4efa303729198bba3975932c9e22bd8da317e31fc1a3029b29008f
SHA512

2cd8c88b2b932658bc60669c96919842f58d14c37365bab04ab057011bad3622a815399bbf79c27eb102c783d64ffd1c6e9e4cf77687ef0978c31d9aae9f12d0

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 18 IoCs

Processes:

wscript.exe

flow	pid	process
6	1784	wscript.exe
7	1784	wscript.exe
8	1784	wscript.exe
9	1784	wscript.exe
10	1784	wscript.exe
11	1784	wscript.exe
13	1784	wscript.exe
14	1784	wscript.exe
15	1784	wscript.exe
16	1784	wscript.exe
17	1784	wscript.exe
18	1784	wscript.exe
20	1784	wscript.exe
21	1784	wscript.exe
22	1784	wscript.exe
23	1784	wscript.exe
24	1784	wscript.exe
25	1784	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\90900rder-Receipt.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\90900rder-Receipt.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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\K5OONDJ1J0 = "'C:\\Users\\Admin\\AppData\\Local\\Temp\\90900rder-Receipt.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

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\90900rder-Receipt.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1784

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/756-2-0x000007FEF7510000-0x000007FEF778A000-memory.dmp

Filesize
2.5MB

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