vjw0rm | d16b502ff0b1413b19a22a39888f1f0ac6f42eede611b5c4b7d004802a814c9d

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 07:53

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General

Target

CC051000007401.vbs
Size

44KB
MD5

bfb1a7641288bf047bf8f8d403f3b138
SHA1

b5ddaa8db4a2d33bd5fa46f70ffe2893612652ee
SHA256

d16b502ff0b1413b19a22a39888f1f0ac6f42eede611b5c4b7d004802a814c9d
SHA512

ca92f671e3debfaaa64cb284821f0886b7faa7b6d0fced6476ab889d3a2373936bfefd0e5feef11ececd943eec5bb1c745a68ca61c1ef4480cc5c526a011a9f7
SSDEEP

768:myaI+a0DXtSbnbhbhscz0i/w+8MtXs/oo5ziD53Z40mb/DqfZW377PiMQ+XrUcsd:x/0DXtSbnbhbhsw0i/w+8M9s/oo5ziDT

Score

10^/10

vjw0rm persistence trojan worm

Malware Config

Extracted

Family

vjw0rm

http://hicham9risa.duckdns.org:4566

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm

Blocklisted process makes network request 44 IoCs

flow	pid	Process
9	2964	wscript.exe
23	4960	WScript.exe
28	4960	WScript.exe
35	4960	WScript.exe
36	4960	WScript.exe
37	2964	wscript.exe
49	4960	WScript.exe
52	4960	WScript.exe
53	4960	WScript.exe
54	4960	WScript.exe
55	2964	wscript.exe
56	1012	WScript.exe
57	4960	WScript.exe
61	1012	WScript.exe
62	4960	WScript.exe
63	1012	WScript.exe
64	4960	WScript.exe
65	1012	WScript.exe
66	4960	WScript.exe
67	2964	wscript.exe
68	1012	WScript.exe
69	4960	WScript.exe
70	1012	WScript.exe
73	4960	WScript.exe
77	1012	WScript.exe
78	4960	WScript.exe
79	1012	WScript.exe
80	4960	WScript.exe
81	2964	wscript.exe
82	1012	WScript.exe
83	4960	WScript.exe
84	1012	WScript.exe
85	4960	WScript.exe
86	1012	WScript.exe
87	4960	WScript.exe
88	1012	WScript.exe
89	4960	WScript.exe
90	2964	wscript.exe
91	1012	WScript.exe
92	4960	WScript.exe
93	1012	WScript.exe
94	4960	WScript.exe
95	1012	WScript.exe
96	4960	WScript.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CC051000007401.vbs	WScript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HwuuOCwVXt.vbs	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HwuuOCwVXt.vbs	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CC051000007401.vbs	WScript.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1ZC0UTZGTT = "\"C:\\Users\\Admin\\AppData\\Roaming\\CC051000007401.vbs\""	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HwuuOCwVXt = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\HwuuOCwVXt.vbs\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HwuuOCwVXt = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\HwuuOCwVXt.vbs\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1ZC0UTZGTT = "\"C:\\Users\\Admin\\AppData\\Roaming\\CC051000007401.vbs\""	WScript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4944	schtasks.exe
1840	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 2964	4960	WScript.exe	82
PID 4960 wrote to memory of 2964	4960	WScript.exe	82
PID 4960 wrote to memory of 4944	4960	WScript.exe	83
PID 4960 wrote to memory of 4944	4960	WScript.exe	83
PID 1012 wrote to memory of 1912	1012	WScript.exe	95
PID 1012 wrote to memory of 1912	1012	WScript.exe	95
PID 1012 wrote to memory of 1840	1012	WScript.exe	96
PID 1012 wrote to memory of 1840	1012	WScript.exe	96

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\CC051000007401.vbs"
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\HwuuOCwVXt.vbs"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  PID:2964
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 1 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\CC051000007401.vbs
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4944

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Roaming\CC051000007401.vbs"
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1012
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\HwuuOCwVXt.vbs"
  2⤵
  PID:1912
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 1 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\CC051000007401.vbs
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\CC051000007401.vbs

Filesize
44KB

MD5
bfb1a7641288bf047bf8f8d403f3b138

SHA1
b5ddaa8db4a2d33bd5fa46f70ffe2893612652ee

SHA256
d16b502ff0b1413b19a22a39888f1f0ac6f42eede611b5c4b7d004802a814c9d

SHA512
ca92f671e3debfaaa64cb284821f0886b7faa7b6d0fced6476ab889d3a2373936bfefd0e5feef11ececd943eec5bb1c745a68ca61c1ef4480cc5c526a011a9f7

Download Submit
C:\Users\Admin\AppData\Roaming\HwuuOCwVXt.vbs

Filesize
20KB

MD5
2bc142422db72367ed567ea9116180a5

SHA1
53550f445137268bc50a725ab17875972252974d

SHA256
0706faee2b62be8c4ddcfea421a9c0d1e5fb518c809a8cdc60f688a3de911d1a

SHA512
7739c96f1b9da1445a49ba83f7ae725fbbe45df72c3972bc21174630d415d48c831749e43a210685cae80f3970fc664e8b904f9d98a10a2cd1ae5d5c14517113

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads