vjw0rm | 8304bd9b72d8eb4a3b02886cdfe24f463ce1b088f6bee71afcca073321de252f

General

Target

NEW PO# 230469008.js
Size

2.0MB
MD5

4843582c8aea6e684092ccc7832088cc
SHA1

5b926ea46d266420267acba4112e75d12fd7a2b3
SHA256

8304bd9b72d8eb4a3b02886cdfe24f463ce1b088f6bee71afcca073321de252f
SHA512

a531a80b84fb151eec5f6cbe618c665eaf3758dbe930c0b6bebd813ce2eb5df1e02298094a98bec157bc657bce82a19e6fd9fc993a6f4f16b173402022bcbced
SSDEEP

24576:efFW3X3yqu0Sk0kz3LxAPtS+DZ0dlNJ/R1a7euQjMm0cXkSQnrtJDh0dPklw2BK5:kuz

Score

10^/10

vjw0rm wshrat persistence trojan worm

Malware Config

Extracted

Family

wshrat

C2

http://45.12.253.77:8889

Signatures

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm
WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat

Blocklisted process makes network request 59 IoCs

Processes:

wscript.exewscript.exewscript.exe

flow	pid	process
9	1520	wscript.exe
10	1572	wscript.exe
11	2768	wscript.exe
21	1520	wscript.exe
22	2768	wscript.exe
28	1572	wscript.exe
30	1520	wscript.exe
31	2768	wscript.exe
32	1572	wscript.exe
41	1572	wscript.exe
42	1520	wscript.exe
43	2768	wscript.exe
44	1572	wscript.exe
45	1572	wscript.exe
46	1520	wscript.exe
47	2768	wscript.exe
49	1572	wscript.exe
53	1520	wscript.exe
54	2768	wscript.exe
55	1572	wscript.exe
56	1572	wscript.exe
57	1520	wscript.exe
58	2768	wscript.exe
59	1572	wscript.exe
60	1572	wscript.exe
61	1520	wscript.exe
62	2768	wscript.exe
63	1572	wscript.exe
64	1572	wscript.exe
65	1520	wscript.exe
66	2768	wscript.exe
67	1572	wscript.exe
68	1572	wscript.exe
69	1520	wscript.exe
70	2768	wscript.exe
71	1572	wscript.exe
72	1572	wscript.exe
73	1520	wscript.exe
74	2768	wscript.exe
75	1572	wscript.exe
76	1520	wscript.exe
77	1572	wscript.exe
78	2768	wscript.exe
79	1572	wscript.exe
80	1520	wscript.exe
81	2768	wscript.exe
82	1572	wscript.exe
83	1572	wscript.exe
84	1520	wscript.exe
85	2768	wscript.exe
86	1572	wscript.exe
87	1572	wscript.exe
88	1520	wscript.exe
89	2768	wscript.exe
90	1572	wscript.exe
91	1572	wscript.exe
92	1520	wscript.exe
93	2768	wscript.exe
94	1572	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

Processes:

wscript.exewscript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 5 IoCs

Processes:

wscript.exewscript.exewscript.exewscript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mBlzjTzcYX.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mBlzjTzcYX.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NEW PO# 230469008.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mBlzjTzcYX.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NEW PO# 230469008.js	wscript.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exewscript.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NEW PO# 230469008 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\NEW PO# 230469008.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NEW PO# 230469008 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\NEW PO# 230469008.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NEW PO# 230469008 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\NEW PO# 230469008.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NEW PO# 230469008 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\NEW PO# 230469008.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\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

Script User-Agent 27 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	91	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	41	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	45	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	64	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	49	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	90	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	10	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	32	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	79	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	28	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	59	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	67	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	68	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	60	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	94	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	44	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	56	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	71	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	75	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	72	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	82	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	83	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	86	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	77	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	87	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	55	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript
HTTP User-Agent header	63	WSHRAT\|A889F529\|WEYPCEWN\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 5/4/2023\|JavaScript

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

wscript.exewscript.exe

description	pid	process	target process
PID 2276 wrote to memory of 1520	2276	wscript.exe	wscript.exe
PID 2276 wrote to memory of 1520	2276	wscript.exe	wscript.exe
PID 2276 wrote to memory of 1572	2276	wscript.exe	wscript.exe
PID 2276 wrote to memory of 1572	2276	wscript.exe	wscript.exe
PID 1572 wrote to memory of 2768	1572	wscript.exe	wscript.exe
PID 1572 wrote to memory of 2768	1572	wscript.exe	wscript.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\NEW PO# 230469008.js"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2276

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\mBlzjTzcYX.js"
2⤵
- Blocklisted process makes network request
- Drops startup file
PID:1520

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\NEW PO# 230469008.js"
2⤵
- Blocklisted process makes network request
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1572

C:\Windows\System32\wscript.exe
"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\mBlzjTzcYX.js"
3⤵
- Blocklisted process makes network request
- Drops startup file
PID:2768

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NEW PO# 230469008.js
Filesize
2.0MB

MD5
4843582c8aea6e684092ccc7832088cc

SHA1
5b926ea46d266420267acba4112e75d12fd7a2b3

SHA256
8304bd9b72d8eb4a3b02886cdfe24f463ce1b088f6bee71afcca073321de252f

SHA512
a531a80b84fb151eec5f6cbe618c665eaf3758dbe930c0b6bebd813ce2eb5df1e02298094a98bec157bc657bce82a19e6fd9fc993a6f4f16b173402022bcbced

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NEW PO# 230469008.js
Filesize
2.0MB

MD5
4843582c8aea6e684092ccc7832088cc

SHA1
5b926ea46d266420267acba4112e75d12fd7a2b3

SHA256
8304bd9b72d8eb4a3b02886cdfe24f463ce1b088f6bee71afcca073321de252f

SHA512
a531a80b84fb151eec5f6cbe618c665eaf3758dbe930c0b6bebd813ce2eb5df1e02298094a98bec157bc657bce82a19e6fd9fc993a6f4f16b173402022bcbced

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mBlzjTzcYX.js
Filesize
346KB

MD5
74d2a5bae039a548441b5d3be3551a7c

SHA1
c4e10bb69a9759bcfdccef6a57880582614823c0

SHA256
7e12a71f1498dd1141d887b3cc8dbd6e01d51b2976d2131f888374fe8fc23635

SHA512
568efd3d7df0ac59831d7fca978f56d626d793facca1b4e2876fc42690496e4256a62754aa10dd91f0bd0bcbaa8c20fb5454ba9cfd09167f1f8dcf0c7223d32b

Download Submit
C:\Users\Admin\AppData\Roaming\NEW PO# 230469008.js
Filesize
2.0MB

MD5
4843582c8aea6e684092ccc7832088cc

SHA1
5b926ea46d266420267acba4112e75d12fd7a2b3

SHA256
8304bd9b72d8eb4a3b02886cdfe24f463ce1b088f6bee71afcca073321de252f

SHA512
a531a80b84fb151eec5f6cbe618c665eaf3758dbe930c0b6bebd813ce2eb5df1e02298094a98bec157bc657bce82a19e6fd9fc993a6f4f16b173402022bcbced

Download Submit
C:\Users\Admin\AppData\Roaming\mBlzjTzcYX.js
Filesize
346KB

MD5
74d2a5bae039a548441b5d3be3551a7c

SHA1
c4e10bb69a9759bcfdccef6a57880582614823c0

SHA256
7e12a71f1498dd1141d887b3cc8dbd6e01d51b2976d2131f888374fe8fc23635

SHA512
568efd3d7df0ac59831d7fca978f56d626d793facca1b4e2876fc42690496e4256a62754aa10dd91f0bd0bcbaa8c20fb5454ba9cfd09167f1f8dcf0c7223d32b

Download Submit
C:\Users\Admin\AppData\Roaming\mBlzjTzcYX.js
Filesize
346KB

MD5
74d2a5bae039a548441b5d3be3551a7c

SHA1
c4e10bb69a9759bcfdccef6a57880582614823c0

SHA256
7e12a71f1498dd1141d887b3cc8dbd6e01d51b2976d2131f888374fe8fc23635

SHA512
568efd3d7df0ac59831d7fca978f56d626d793facca1b4e2876fc42690496e4256a62754aa10dd91f0bd0bcbaa8c20fb5454ba9cfd09167f1f8dcf0c7223d32b

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads