vjw0rm | bae95e206861f753435369c3ca6b6c4bc655bd8a6f461c150785b1899766d55b

General

Target

image006.png.js
Size

209KB
MD5

e6860fcf7fd568970643d88ddc7d87cd
SHA1

fef07c35b5cb90b850f920b222b7cf005c03b199
SHA256

bae95e206861f753435369c3ca6b6c4bc655bd8a6f461c150785b1899766d55b
SHA512

85d9eb5e92a593de8c170a92f1d7d67fdb5ca4bc57b0a865a4a81d626873ae316514293eb77730b0d1a11136c4696adb413f5c071a227aed9f00e048a9b18f8b

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 36 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
8	792	wscript.exe
9	524	wscript.exe
10	524	wscript.exe
12	792	wscript.exe
14	524	wscript.exe
15	792	wscript.exe
18	524	wscript.exe
20	792	wscript.exe
21	524	wscript.exe
23	792	wscript.exe
24	524	wscript.exe
26	792	wscript.exe
30	524	wscript.exe
31	792	wscript.exe
33	524	wscript.exe
34	792	wscript.exe
36	524	wscript.exe
38	792	wscript.exe
40	524	wscript.exe
42	792	wscript.exe
43	524	wscript.exe
45	792	wscript.exe
46	524	wscript.exe
49	792	wscript.exe
51	524	wscript.exe
53	792	wscript.exe
55	524	wscript.exe
56	792	wscript.exe
58	524	wscript.exe
60	792	wscript.exe
63	524	wscript.exe
64	792	wscript.exe
65	524	wscript.exe
67	792	wscript.exe
68	524	wscript.exe
71	792	wscript.exe

Drops startup file 3 IoCs

Processes:

wscript.exewscript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\image006.png.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\beVSdOTIld.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\beVSdOTIld.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-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\G1LWDBN6QR = "\"C:\\Users\\Admin\\AppData\\Roaming\\image006.png.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run	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\\beVSdOTIld.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

1792 schtasks.exe

pid	process
1792	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 792 wrote to memory of 524	792	wscript.exe	wscript.exe
PID 792 wrote to memory of 524	792	wscript.exe	wscript.exe
PID 792 wrote to memory of 524	792	wscript.exe	wscript.exe
PID 792 wrote to memory of 1792	792	wscript.exe	schtasks.exe
PID 792 wrote to memory of 1792	792	wscript.exe	schtasks.exe
PID 792 wrote to memory of 1792	792	wscript.exe	schtasks.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\image006.png.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:792
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\beVSdOTIld.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  PID:524
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\image006.png.js
  2⤵
  - Creates scheduled task(s)
  PID:1792

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

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\beVSdOTIld.js

MD5
5a6b6b58ecb6d0c0aac457c6bbbe1b8c

SHA1
f84d217b7404cde7be72d77baa6a68621418d4dd

SHA256
bd34475e672c363420200ca5f8b2c477496bb42d2d1901a8a95c406f05f489de

SHA512
3757be1d0034de1ad63b079a5db0a7918f140a01aaca3748fe51fbd27818171894fde74f117e597afeda7a42b448d6f4642f5bb1716aea6efa95cda57a36dc6c

Download Submit
memory/524-55-0x0000000000000000-mapping.dmp

Download
memory/792-54-0x000007FEFC4A1000-0x000007FEFC4A3000-memory.dmp

Filesize
8KB

Download
memory/1792-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads