vjw0rm | c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350

Analysis

max time kernel
209s
max time network
223s
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 11:14

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General

Target

c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.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 40 IoCs

flow	pid	Process
44	5024	wscript.exe
48	4996	wscript.exe
50	5024	wscript.exe
51	4996	wscript.exe
53	5036	wscript.exe
55	5024	wscript.exe
57	5036	wscript.exe
58	4996	wscript.exe
59	5036	wscript.exe
60	5024	wscript.exe
65	5036	wscript.exe
66	4996	wscript.exe
67	5036	wscript.exe
70	5024	wscript.exe
75	4996	wscript.exe
76	5036	wscript.exe
77	5024	wscript.exe
78	5036	wscript.exe
79	4996	wscript.exe
81	5036	wscript.exe
82	5024	wscript.exe
89	5036	wscript.exe
90	4996	wscript.exe
91	5036	wscript.exe
92	5024	wscript.exe
93	4996	wscript.exe
94	5036	wscript.exe
95	5036	wscript.exe
96	5024	wscript.exe
97	4996	wscript.exe
98	5036	wscript.exe
99	5024	wscript.exe
100	5036	wscript.exe
101	4996	wscript.exe
102	5036	wscript.exe
103	5024	wscript.exe
104	4996	wscript.exe
105	5036	wscript.exe
106	5024	wscript.exe
107	5036	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-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\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_JC.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_JC.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-1-5-21-1045988481-1457812719-2617974652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.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 17 IoCs

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

description	flow	ioc
HTTP User-Agent header	94	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	98	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	53	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	59	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	65	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	76	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	57	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	78	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	91	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	105	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	81	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	95	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	100	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	102	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	67	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	89	WSHRAT\|C44BEB24\|DRMVXOTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	107	WSHRAT\|C44BEB24\|DRMVXOTS\|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 884 wrote to memory of 5024	884	wscript.exe	86
PID 884 wrote to memory of 5024	884	wscript.exe	86
PID 884 wrote to memory of 5036	884	wscript.exe	87
PID 884 wrote to memory of 5036	884	wscript.exe	87
PID 5036 wrote to memory of 4996	5036	wscript.exe	88
PID 5036 wrote to memory of 4996	5036	wscript.exe	88

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:884
- 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:5024
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.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:5036
- - 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:4996

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_JC.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_JC.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_JC.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