vjw0rm | ca905686651e423399d864687173d5472e4ecdbc76ea201b46d23012c799b617

General

Target

52220106202022.js
Size

107KB
MD5

05d29ef471cbead69dd8c6f56a900004
SHA1

fa017cb4a1ad381d6b0569f7ec50791822350ba4
SHA256

ca905686651e423399d864687173d5472e4ecdbc76ea201b46d23012c799b617
SHA512

81f86970b830533d080e1627ffbb2bb4148a71b0bc9692553928f5f6671c4c8b2bc2d7648adb3b6d61bab2fc8437ab9ecff344d382af2701645b5b9e17eefd08

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 42 IoCs

Processes:

wscript.exewscript.exe

flow	pid	process
7	1616	wscript.exe
8	1360	wscript.exe
9	1360	wscript.exe
10	1616	wscript.exe
11	1360	wscript.exe
13	1360	wscript.exe
14	1616	wscript.exe
15	1360	wscript.exe
18	1360	wscript.exe
19	1616	wscript.exe
21	1360	wscript.exe
23	1360	wscript.exe
24	1616	wscript.exe
25	1360	wscript.exe
27	1360	wscript.exe
28	1616	wscript.exe
30	1360	wscript.exe
32	1360	wscript.exe
33	1616	wscript.exe
34	1360	wscript.exe
36	1360	wscript.exe
37	1616	wscript.exe
38	1360	wscript.exe
40	1616	wscript.exe
41	1360	wscript.exe
44	1360	wscript.exe
45	1616	wscript.exe
46	1360	wscript.exe
48	1360	wscript.exe
49	1616	wscript.exe
50	1360	wscript.exe
51	1360	wscript.exe
53	1616	wscript.exe
54	1360	wscript.exe
57	1360	wscript.exe
58	1616	wscript.exe
59	1360	wscript.exe
60	1360	wscript.exe
62	1616	wscript.exe
63	1360	wscript.exe
65	1360	wscript.exe
66	1616	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\zpgygxtRex.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\hmmm.vbs	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\hmmm.vbs	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\zpgygxtRex.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
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmmm = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\hmmm.vbs\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hmmm = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\hmmm.vbs\""	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\YVBPFHTJIQ = "\"C:\\Users\\Admin\\AppData\\Roaming\\zpgygxtRex.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\software\microsoft\windows\currentversion\run	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 2016 wrote to memory of 1616	2016	wscript.exe	wscript.exe
PID 2016 wrote to memory of 1616	2016	wscript.exe	wscript.exe
PID 2016 wrote to memory of 1616	2016	wscript.exe	wscript.exe
PID 2016 wrote to memory of 1360	2016	wscript.exe	wscript.exe
PID 2016 wrote to memory of 1360	2016	wscript.exe	wscript.exe
PID 2016 wrote to memory of 1360	2016	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\52220106202022.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2016

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\zpgygxtRex.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1616

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Roaming\hmmm.vbs"
2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1360

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\hmmm.vbs
Filesize
13KB

MD5
2eb194e1b54695a5c2aeb82b95807606

SHA1
f148013459520d855a4177d980b3870ef1d6b8f0

SHA256
404dfe7add02b2973a45f43d425005451c7b6ff688e5177dd7c7606a1a7320d6

SHA512
5c17914444aaa0d6c5ed6703ae9cf22f15b35cdc55ee68bac46142a9e21fefebf373957def42b8b66e027579f747a9ca5f9ca95bf69cb919ea104232570c0670

Download Submit
C:\Users\Admin\AppData\Roaming\zpgygxtRex.js
Filesize
30KB

MD5
7c2e7e5a48421b27561a23936f1d9fee

SHA1
739fde5b0ad4d2f651a16e2458bf3e64bfa748b0

SHA256
c409b163881ea5ee746756d65f515f7a5dca8b622e6d1e557ef963acb6849000

SHA512
149fe69bf7b778ca8e450c2b0d3c4b54a34023b908b8705a65d8da9d060b0e4e46346664f45e100969af3c21315f2bcd9f517ee99b94dfe5bf8134c9cf0dc323

Download Submit
memory/1360-56-0x0000000000000000-mapping.dmp

Download
memory/1616-55-0x0000000000000000-mapping.dmp

Download
memory/2016-54-0x000007FEFBCA1000-0x000007FEFBCA3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads