vjw0rm | 13736a6b2be3eb037191ab8e9e6104dfa6faf6b85f56214e9587efe239527a62

General

Target

mNMlIoDJiKpayload.js
Size

51KB
MD5

5a08aec194a8ab523638fb7f9ddbf925
SHA1

70fcdecfe4750362ee2a711125c4aac7998ee2bc
SHA256

13736a6b2be3eb037191ab8e9e6104dfa6faf6b85f56214e9587efe239527a62
SHA512

7d4f62baaadfcf041e087d356b17b558b5ec6c7c4565d1f720dbd580e69e670d6c7781619c1c7705759d7b5d2f52aab0225ce16485f452b1c6647a5db33c8c80

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 Worm.VBS Dunihi/Houdini/H-Worm Checkin UA
suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm Checkin UA
suricata
suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm/WSHRAT Checkin 1
suricata: ET MALWARE Worm.VBS Dunihi/Houdini/H-Worm/WSHRAT Checkin 1
suricata

Blocklisted process makes network request 32 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
6	2384	wscript.exe
7	1536	wscript.exe
16	2384	wscript.exe
19	2384	wscript.exe
23	2384	wscript.exe
24	2384	wscript.exe
31	1536	wscript.exe
33	2384	wscript.exe
36	2384	wscript.exe
40	2384	wscript.exe
41	2384	wscript.exe
44	2384	wscript.exe
45	1536	wscript.exe
46	2384	wscript.exe
49	2384	wscript.exe
50	2384	wscript.exe
51	2384	wscript.exe
52	2384	wscript.exe
53	1536	wscript.exe
55	2384	wscript.exe
56	2384	wscript.exe
57	2384	wscript.exe
58	2384	wscript.exe
59	2384	wscript.exe
60	1536	wscript.exe
61	2384	wscript.exe
62	2384	wscript.exe
63	2384	wscript.exe
64	2384	wscript.exe
65	2384	wscript.exe
66	1536	wscript.exe
67	2384	wscript.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

wscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 4 IoCs

Processes:

wscript.exewscript.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sPFVpavffF.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\payload.vbs	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\payload.vbs	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sPFVpavffF.js	wscript.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exewscript.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\payload = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\payload.vbs\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\payload = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\payload.vbs\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\sPFVpavffF.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 4 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 5096 wrote to memory of 1536	5096	wscript.exe	wscript.exe
PID 5096 wrote to memory of 1536	5096	wscript.exe	wscript.exe
PID 5096 wrote to memory of 2384	5096	wscript.exe	wscript.exe
PID 5096 wrote to memory of 2384	5096	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\mNMlIoDJiKpayload.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5096
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\sPFVpavffF.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  PID:1536
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Roaming\payload.vbs"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  PID:2384

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\payload.vbs

Filesize
13KB

MD5
3c5846a19b95e2441a049c7c2e8eeb14

SHA1
9d30716b1eef3995228ac87cf800d2acdec9e0fc

SHA256
e72818e8c8076b6d0d4c10604f4c0681148c7e17ca0099fe5bf17c0dd27b7cd1

SHA512
32e8f1e0e45f5cfc733de865fdbc3b69d2e21183a67d06e270dbbeb2d701db10d62b4048f9ece0bbff95d96a517030f5a51d1883a32d189a6d9554f001f40476

Download Submit
C:\Users\Admin\AppData\Roaming\sPFVpavffF.js

Filesize
10KB

MD5
053698bda987f7439e41e50b3d9481b2

SHA1
7e6a0db2788faf1216282d791b6287a1a39a840e

SHA256
5c389e732a8cf9f3db60512bc0889ef95a714a713e38bc2243e36626ab206bf4

SHA512
829e33a6d4c4d90511f4ffeca4890217b388f72f491fd15d9d11edcef1352592614377b7bb53d05ba3493adc29a4f403bc9335b583096e7721f9323c587dff83

Download Submit
memory/1536-130-0x0000000000000000-mapping.dmp

Download
memory/2384-131-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads