vjw0rm | cfe9dc76a15fae96808fa814135113d763fcf418aae410cea34580b15fb00edd

General

Target

File 2.js
Size

51KB
MD5

199c37a6953be6415f368cafa8525133
SHA1

c28cfdd4d9f80ba3873a134f9f21815e0b6540bc
SHA256

cfe9dc76a15fae96808fa814135113d763fcf418aae410cea34580b15fb00edd
SHA512

4cb1beada3ec189732331926b5db39d51654dbea5ae9bfe764d63636adf788312c2be7513c40186480d4140882b0a251dda292e7437aa3fc8ca437508ba7c044

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 41 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
6	1964	wscript.exe
7	2000	wscript.exe
8	2000	wscript.exe
10	1964	wscript.exe
11	2000	wscript.exe
12	1964	wscript.exe
13	2000	wscript.exe
16	2000	wscript.exe
18	1964	wscript.exe
20	2000	wscript.exe
21	2000	wscript.exe
22	1964	wscript.exe
24	2000	wscript.exe
25	1964	wscript.exe
27	2000	wscript.exe
28	2000	wscript.exe
30	1964	wscript.exe
31	2000	wscript.exe
32	1964	wscript.exe
34	2000	wscript.exe
35	2000	wscript.exe
36	1964	wscript.exe
39	2000	wscript.exe
40	1964	wscript.exe
41	2000	wscript.exe
43	2000	wscript.exe
44	1964	wscript.exe
45	2000	wscript.exe
46	2000	wscript.exe
48	1964	wscript.exe
50	2000	wscript.exe
51	1964	wscript.exe
53	2000	wscript.exe
54	2000	wscript.exe
55	1964	wscript.exe
57	2000	wscript.exe
58	2000	wscript.exe
59	1964	wscript.exe
61	2000	wscript.exe
63	1964	wscript.exe
64	2000	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\oCrgSTqqkH.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\oCrgSTqqkH.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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\oCrgSTqqkH.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\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 1164 wrote to memory of 1964	1164	wscript.exe	wscript.exe
PID 1164 wrote to memory of 1964	1164	wscript.exe	wscript.exe
PID 1164 wrote to memory of 1964	1164	wscript.exe	wscript.exe
PID 1164 wrote to memory of 2000	1164	wscript.exe	wscript.exe
PID 1164 wrote to memory of 2000	1164	wscript.exe	wscript.exe
PID 1164 wrote to memory of 2000	1164	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\File 2.js"
1⤵
- Suspicious use of WriteProcessMemory
PID:1164

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\oCrgSTqqkH.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1964

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:2000

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\hwo1.vbs
Filesize
13KB

MD5
0fa22927ed90ae0bfbc0fbc979d566ff

SHA1
c6562835566afe7eded525f68a0cfdf6f82b4a0a

SHA256
9ec1848a60e25d9bf6f2d3dd2e607e269a259925b143ea20ee7dfbe58f7152e7

SHA512
8692696d841a50b811e21384ee040cbeb478cfe5a2f093ed7b6d1869ae910c590ad940771d9f95a76880f4c25d637d4f29fbe14e2c16b6a424e54a48812b7203

Download Submit
C:\Users\Admin\AppData\Roaming\oCrgSTqqkH.js
Filesize
10KB

MD5
2a51c61b3c71bf82152d9bf999f6d17a

SHA1
7797cb26749b99890927c177fbbf7fd82e65c28a

SHA256
f730012c1425907bc39cc75f7992ab2246f6b560c48e3fccf68f848989708837

SHA512
aab4bee725b1d776aa07cad3cbe628c1d4069540f1ee8d941cc3fc641f9fa220479b203a83338b99f6d00487f9cb4854184b1f05749dbcc8eff2f5909c8c190f

Download Submit
memory/1164-54-0x000007FEFC061000-0x000007FEFC063000-memory.dmp

Filesize
8KB

Download
memory/1964-55-0x0000000000000000-mapping.dmp

Download
memory/2000-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads