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 28 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
6	1108	wscript.exe
7	1304	wscript.exe
8	1304	wscript.exe
9	1304	wscript.exe
10	1304	wscript.exe
12	1304	wscript.exe
13	1108	wscript.exe
15	1304	wscript.exe
17	1304	wscript.exe
18	1304	wscript.exe
19	1304	wscript.exe
21	1304	wscript.exe
22	1108	wscript.exe
24	1304	wscript.exe
25	1304	wscript.exe
26	1304	wscript.exe
27	1304	wscript.exe
30	1304	wscript.exe
31	1108	wscript.exe
33	1304	wscript.exe
34	1304	wscript.exe
35	1304	wscript.exe
37	1304	wscript.exe
38	1304	wscript.exe
39	1108	wscript.exe
41	1304	wscript.exe
42	1304	wscript.exe
43	1304	wscript.exe

Drops startup file 4 IoCs

Processes:

wscript.exewscript.exe

description	ioc	process
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
File opened for modification	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\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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\sPFVpavffF.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\payload = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\payload.vbs\""	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 6 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 1808 wrote to memory of 1108	1808	wscript.exe	wscript.exe
PID 1808 wrote to memory of 1108	1808	wscript.exe	wscript.exe
PID 1808 wrote to memory of 1108	1808	wscript.exe	wscript.exe
PID 1808 wrote to memory of 1304	1808	wscript.exe	wscript.exe
PID 1808 wrote to memory of 1304	1808	wscript.exe	wscript.exe
PID 1808 wrote to memory of 1304	1808	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\mNMlIoDJiKpayload.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1808

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:1108

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:1304

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\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/1108-55-0x0000000000000000-mapping.dmp

Download
memory/1304-56-0x0000000000000000-mapping.dmp

Download
memory/1808-54-0x000007FEFB671000-0x000007FEFB673000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads