vjw0rm | f0df36fdbb9aa896e774335fdcaa9cb7f914682ee392117ab43a0c1d85d49a26

General

Target

ORDER 211213AB.js
Size

309KB
MD5

6d1f37247016404997f0aea71bf6d012
SHA1

13be69202507178c513345c60fbb111cb8f2ccc0
SHA256

f0df36fdbb9aa896e774335fdcaa9cb7f914682ee392117ab43a0c1d85d49a26
SHA512

b14ca2616c862569a1b5c997bc6fd09a70598d46fe2d03649ed2e05a2b5fefc82cf6e44cf13448617615c6ce8d79ca0b4e4f953cc0e0be00f9af62d877ad30b7

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

C2

http://chongmei33.publicvm.com:7974

Signatures

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

Blocklisted process makes network request 19 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
8	968	wscript.exe
9	524	wscript.exe
10	524	wscript.exe
12	524	wscript.exe
15	524	wscript.exe
18	524	wscript.exe
20	524	wscript.exe
22	524	wscript.exe
24	524	wscript.exe
27	524	wscript.exe
29	524	wscript.exe
31	524	wscript.exe
34	524	wscript.exe
37	524	wscript.exe
38	524	wscript.exe
41	524	wscript.exe
44	524	wscript.exe
45	524	wscript.exe
48	524	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\ExiLNbTayh.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ExiLNbTayh.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
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\WG025MSA8P = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ORDER 211213AB.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\ExiLNbTayh.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run	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 968 wrote to memory of 524	968	wscript.exe	wscript.exe
PID 968 wrote to memory of 524	968	wscript.exe	wscript.exe
PID 968 wrote to memory of 524	968	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\ORDER 211213AB.js"
1⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:968

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\ExiLNbTayh.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:524

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\ExiLNbTayh.js
MD5
e03a490c408d7d19176f8d182569df3d

SHA1
b464106f14a65ff83b35028b62020b9a2ab955f0

SHA256
d703fdbdc538a6a4f22a7d568e68c67d2c7826dc1ed4357a28481d8df3324714

SHA512
cca24f233042079507716d0f102f142af19ad9c22c42ce1af8e6208fbedb78a4242e5a49f1f2b5dcc5690a87c7c40646c61d94c32f562e987b090080c4fd1914

Download Submit
memory/524-54-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads