vjw0rm | 7549d4a121e1e7b5dc056cebe025d1af3d8c03440cad9bb23697c3f9bc6d07a9

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2023 11:29

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General

Target

c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350.js
Size

3.1MB
MD5

cf54d832051744f8a17d8883bb0d7579
SHA1

8996b0ea7579eefdc5b143d8e71e00fbabef2749
SHA256

c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350
SHA512

9918d08bdbcec5213e30cc732dbd0705bcc3a7db08090ae8366a57c9cbbb87296861c75eafb6f239deba92711d7cbacd482f2a25dea0ef96545fe00ae0cb40b6
SSDEEP

768:aBLsno5sVaEb33OSp4//6AtsaaiIWVibo1WFti/KaqQh:aBLso5sVaEb3+SAtsaaiBwU1WFyKnO

Score

10^/10

vjw0rm wshrat persistence trojan worm

Malware Config

Extracted

Family

wshrat

http://akinbo.ddns.net:6380

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 51 IoCs

flow	pid	Process
26	3788	wscript.exe
27	2192	wscript.exe
30	4360	wscript.exe
31	3788	wscript.exe
32	2192	wscript.exe
45	4360	wscript.exe
49	3788	wscript.exe
50	2192	wscript.exe
51	4360	wscript.exe
65	4360	wscript.exe
66	2192	wscript.exe
67	3788	wscript.exe
71	4360	wscript.exe
72	4360	wscript.exe
73	2192	wscript.exe
74	3788	wscript.exe
75	4360	wscript.exe
78	2192	wscript.exe
79	3788	wscript.exe
80	4360	wscript.exe
81	4360	wscript.exe
82	2192	wscript.exe
83	3788	wscript.exe
84	4360	wscript.exe
85	4360	wscript.exe
86	2192	wscript.exe
87	3788	wscript.exe
90	4360	wscript.exe
92	2192	wscript.exe
93	3788	wscript.exe
94	4360	wscript.exe
95	4360	wscript.exe
96	2192	wscript.exe
97	3788	wscript.exe
98	4360	wscript.exe
104	2192	wscript.exe
105	3788	wscript.exe
106	4360	wscript.exe
107	4360	wscript.exe
108	2192	wscript.exe
109	3788	wscript.exe
114	4360	wscript.exe
115	2192	wscript.exe
116	3788	wscript.exe
117	4360	wscript.exe
118	2192	wscript.exe
119	3788	wscript.exe
122	4360	wscript.exe
125	4360	wscript.exe
126	2192	wscript.exe
127	3788	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-1-5-21-1926387074-3400613176-3566796709-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 5 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OfYaEGuGdY.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OfYaEGuGdY.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OfYaEGuGdY.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350.js	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-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350.js\""	wscript.exe

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

System Information Discovery
T1082

Script User-Agent 21 IoCs

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

description	flow	ioc
HTTP User-Agent header	30	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	81	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	84	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	51	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	75	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	106	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	125	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	71	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	72	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	80	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	85	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	90	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	107	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	114	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	45	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	65	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	94	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	95	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	98	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	117	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	122	WSHRAT\|084DE619\|SXUYPNET\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 3788	4484	wscript.exe	86
PID 4484 wrote to memory of 3788	4484	wscript.exe	86
PID 4484 wrote to memory of 4360	4484	wscript.exe	87
PID 4484 wrote to memory of 4360	4484	wscript.exe	87
PID 4360 wrote to memory of 2192	4360	wscript.exe	90
PID 4360 wrote to memory of 2192	4360	wscript.exe	90

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350.js
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4484
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\OfYaEGuGdY.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:3788
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350.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:4360
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\OfYaEGuGdY.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    PID:2192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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\Microsoft\Windows\Start Menu\Programs\Startup\OfYaEGuGdY.js

Filesize
1.1MB

MD5
596b02ecc4bc0964ab1a1852fa0a3aa7

SHA1
87ada931135f1d66f3a63c653d6934556421d922

SHA256
06375c4dce8d2215d5f4efcb7f9d4bc2154df82cb49f5b8ad2cde6b662880d2b

SHA512
5394a397e818eb8d9f2a6c2849a87201bc4a13314a7ae4381658421eb666023d225e29fdda57b999ecd49b0e445026e522f4be843994688fd415d308bc98c885

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350.js

Filesize
3.1MB

MD5
cf54d832051744f8a17d8883bb0d7579

SHA1
8996b0ea7579eefdc5b143d8e71e00fbabef2749

SHA256
c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350

SHA512
9918d08bdbcec5213e30cc732dbd0705bcc3a7db08090ae8366a57c9cbbb87296861c75eafb6f239deba92711d7cbacd482f2a25dea0ef96545fe00ae0cb40b6

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350.js

Filesize
3.1MB

MD5
cf54d832051744f8a17d8883bb0d7579

SHA1
8996b0ea7579eefdc5b143d8e71e00fbabef2749

SHA256
c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350

SHA512
9918d08bdbcec5213e30cc732dbd0705bcc3a7db08090ae8366a57c9cbbb87296861c75eafb6f239deba92711d7cbacd482f2a25dea0ef96545fe00ae0cb40b6

Download Submit
C:\Users\Admin\AppData\Roaming\OfYaEGuGdY.js

Filesize
1.1MB

MD5
596b02ecc4bc0964ab1a1852fa0a3aa7

SHA1
87ada931135f1d66f3a63c653d6934556421d922

SHA256
06375c4dce8d2215d5f4efcb7f9d4bc2154df82cb49f5b8ad2cde6b662880d2b

SHA512
5394a397e818eb8d9f2a6c2849a87201bc4a13314a7ae4381658421eb666023d225e29fdda57b999ecd49b0e445026e522f4be843994688fd415d308bc98c885

Download Submit
C:\Users\Admin\AppData\Roaming\OfYaEGuGdY.js

Filesize
1.1MB

MD5
596b02ecc4bc0964ab1a1852fa0a3aa7

SHA1
87ada931135f1d66f3a63c653d6934556421d922

SHA256
06375c4dce8d2215d5f4efcb7f9d4bc2154df82cb49f5b8ad2cde6b662880d2b

SHA512
5394a397e818eb8d9f2a6c2849a87201bc4a13314a7ae4381658421eb666023d225e29fdda57b999ecd49b0e445026e522f4be843994688fd415d308bc98c885

Download Submit
C:\Users\Admin\AppData\Roaming\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350.js

Filesize
3.1MB

MD5
cf54d832051744f8a17d8883bb0d7579

SHA1
8996b0ea7579eefdc5b143d8e71e00fbabef2749

SHA256
c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350

SHA512
9918d08bdbcec5213e30cc732dbd0705bcc3a7db08090ae8366a57c9cbbb87296861c75eafb6f239deba92711d7cbacd482f2a25dea0ef96545fe00ae0cb40b6

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads