vjw0rm | 9360cf526c870d8dedc3d0bb6e8b8728caf1ed840f1d55aec5c05cc2bbe43759

General

Target

Receipt.js
Size

51KB
MD5

e7445dedca856ea9b1c29b6d44520d7d
SHA1

94320eb0a513675b1bd4d012d4e4782c53a8178a
SHA256

9360cf526c870d8dedc3d0bb6e8b8728caf1ed840f1d55aec5c05cc2bbe43759
SHA512

60f60e7f8f9a10e7803b520f1797f0de7470dc728edcf7cd42f1b36e7de6334bec1f4a42b528c82e93f2a4cbae2179000d1f83926d6cc1e71678e678bda0db90

Score

10^/10

vjw0rm persistence suricata trojan worm

Malware Config

Extracted

Family

vjw0rm

C2

http://franmhort.duia.ro:8152

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 17 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
6	1792	wscript.exe
7	1272	wscript.exe
8	1792	wscript.exe
9	1792	wscript.exe
12	1792	wscript.exe
13	1792	wscript.exe
15	1792	wscript.exe
17	1792	wscript.exe
18	1792	wscript.exe
19	1792	wscript.exe
22	1792	wscript.exe
23	1792	wscript.exe
24	1792	wscript.exe
26	1792	wscript.exe
27	1792	wscript.exe
28	1272	wscript.exe
30	1792	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\hwo1.vbs	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\hwo1.vbs	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\LcuiFbTldv.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\LcuiFbTldv.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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\LcuiFbTldv.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\hwo1 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\hwo1.vbs\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hwo1 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\hwo1.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 1852 wrote to memory of 1792	1852	wscript.exe	wscript.exe
PID 1852 wrote to memory of 1792	1852	wscript.exe	wscript.exe
PID 1852 wrote to memory of 1792	1852	wscript.exe	wscript.exe
PID 1852 wrote to memory of 1272	1852	wscript.exe	wscript.exe
PID 1852 wrote to memory of 1272	1852	wscript.exe	wscript.exe
PID 1852 wrote to memory of 1272	1852	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Receipt.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\LcuiFbTldv.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1792

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Roaming\hwo1.vbs"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1272

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\LcuiFbTldv.js
Filesize
10KB

MD5
b9f6f0af7792ca7bc93bd1d25e2ad3af

SHA1
6c10df215301a87bc2d060dd638e0545d8b874a1

SHA256
45377bd90ec6f33844c8f24d141f0d7e7ae22abaaefdbad146021aa48091c980

SHA512
339438359dbf67387c1e8481b0a7befcf756b24ecdbd271a131537344c1ba72e1696ca8e9df92111cc11a75319b884a0517abd0b54782c534240f6fd8c9cc13c

Download Submit
C:\Users\Admin\AppData\Roaming\hwo1.vbs
Filesize
13KB

MD5
0fa22927ed90ae0bfbc0fbc979d566ff

SHA1
c6562835566afe7eded525f68a0cfdf6f82b4a0a

SHA256
9ec1848a60e25d9bf6f2d3dd2e607e269a259925b143ea20ee7dfbe58f7152e7

SHA512
8692696d841a50b811e21384ee040cbeb478cfe5a2f093ed7b6d1869ae910c590ad940771d9f95a76880f4c25d637d4f29fbe14e2c16b6a424e54a48812b7203

Download Submit
memory/1272-56-0x0000000000000000-mapping.dmp

Download
memory/1792-55-0x0000000000000000-mapping.dmp

Download
memory/1852-54-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads