vjw0rm | e83d9228e3dbcc078c9b8ffc9dde4ae2d20c75500bb99262050ad5ac773986c1

General

Target

e83d9228e3dbcc078c9b8ffc9dde4ae2d20c75500bb99262050ad5ac773986c1.js
Size

208KB
MD5

07e92aeca1fc47c58589ba6ea8d0bbb8
SHA1

4f133e5a32a04d2b815bbca2eb27790cf5b1e167
SHA256

e83d9228e3dbcc078c9b8ffc9dde4ae2d20c75500bb99262050ad5ac773986c1
SHA512

0d248627b1e14d8730155c3355e5d901ffac1fb9b381c39c77a9442c0996c812f51f5812101b7e331d7057350d53c23706a1c06ec6a1aece67fda3d1942cc498

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 35 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
8	1492	wscript.exe
9	1188	wscript.exe
10	1188	wscript.exe
12	1492	wscript.exe
13	1188	wscript.exe
15	1492	wscript.exe
18	1188	wscript.exe
19	1492	wscript.exe
21	1188	wscript.exe
22	1492	wscript.exe
24	1188	wscript.exe
27	1492	wscript.exe
29	1188	wscript.exe
30	1492	wscript.exe
32	1188	wscript.exe
33	1492	wscript.exe
35	1188	wscript.exe
37	1492	wscript.exe
40	1188	wscript.exe
42	1492	wscript.exe
43	1188	wscript.exe
45	1492	wscript.exe
46	1188	wscript.exe
49	1492	wscript.exe
50	1188	wscript.exe
53	1492	wscript.exe
54	1188	wscript.exe
55	1492	wscript.exe
57	1188	wscript.exe
59	1188	wscript.exe
60	1492	wscript.exe
63	1188	wscript.exe
64	1492	wscript.exe
66	1188	wscript.exe
68	1492	wscript.exe

Drops startup file 3 IoCs

Processes:

wscript.exewscript.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DleOzlJNgp.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e83d9228e3dbcc078c9b8ffc9dde4ae2d20c75500bb99262050ad5ac773986c1.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DleOzlJNgp.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-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\DleOzlJNgp.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\YSAGQWKNY8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\e83d9228e3dbcc078c9b8ffc9dde4ae2d20c75500bb99262050ad5ac773986c1.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

1028 schtasks.exe

pid	process
1028	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 1188 wrote to memory of 1492	1188	wscript.exe	wscript.exe
PID 1188 wrote to memory of 1492	1188	wscript.exe	wscript.exe
PID 1188 wrote to memory of 1492	1188	wscript.exe	wscript.exe
PID 1188 wrote to memory of 1028	1188	wscript.exe	schtasks.exe
PID 1188 wrote to memory of 1028	1188	wscript.exe	schtasks.exe
PID 1188 wrote to memory of 1028	1188	wscript.exe	schtasks.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\e83d9228e3dbcc078c9b8ffc9dde4ae2d20c75500bb99262050ad5ac773986c1.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1188

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\DleOzlJNgp.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1492

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\e83d9228e3dbcc078c9b8ffc9dde4ae2d20c75500bb99262050ad5ac773986c1.js
2⤵
- Creates scheduled task(s)
PID:1028

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\DleOzlJNgp.js
MD5
ae6a4d4146c2016f53de160cca6ae2c4

SHA1
aaad5e3b71828ea96849210735a351c910778ea4

SHA256
dfe7f0966bc2293afe0c32184879e1611cd3841b1f45390e4c186f63b4422f98

SHA512
ccfca2638927d39f561463e9c615f0de6f3499523165e0338a5ce660a79a23e4993adc65713e4246e7939267b3abfbfd6b73b4172d34dd5719f01a0a44c18e9d

Download Submit
memory/1028-58-0x0000000000000000-mapping.dmp

Download
memory/1188-55-0x000007FEFBAB1000-0x000007FEFBAB3000-memory.dmp

Filesize
8KB

Download
memory/1492-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads