vjw0rm | c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350

Analysis

max time kernel
152s
max time network
182s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-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 63 IoCs

flow	pid	Process
4	2612	wscript.exe
9	2572	wscript.exe
10	2460	wscript.exe
11	2572	wscript.exe
13	2612	wscript.exe
14	2460	wscript.exe
16	2572	wscript.exe
19	2612	wscript.exe
21	2460	wscript.exe
22	2572	wscript.exe
26	2572	wscript.exe
28	2612	wscript.exe
29	2460	wscript.exe
31	2572	wscript.exe
34	2612	wscript.exe
36	2460	wscript.exe
37	2572	wscript.exe
39	2572	wscript.exe
41	2612	wscript.exe
42	2460	wscript.exe
46	2572	wscript.exe
49	2612	wscript.exe
50	2572	wscript.exe
53	2460	wscript.exe
54	2572	wscript.exe
56	2612	wscript.exe
57	2460	wscript.exe
59	2572	wscript.exe
62	2612	wscript.exe
63	2572	wscript.exe
65	2460	wscript.exe
69	2572	wscript.exe
71	2612	wscript.exe
72	2460	wscript.exe
75	2572	wscript.exe
77	2572	wscript.exe
79	2612	wscript.exe
80	2460	wscript.exe
82	2572	wscript.exe
84	2612	wscript.exe
85	2460	wscript.exe
88	2572	wscript.exe
92	2572	wscript.exe
94	2460	wscript.exe
96	2612	wscript.exe
98	2572	wscript.exe
99	2460	wscript.exe
101	2572	wscript.exe
104	2612	wscript.exe
105	2572	wscript.exe
107	2460	wscript.exe
110	2612	wscript.exe
111	2572	wscript.exe
114	2460	wscript.exe
117	2572	wscript.exe
119	2612	wscript.exe
120	2572	wscript.exe
123	2460	wscript.exe
124	2612	wscript.exe
125	2572	wscript.exe
128	2460	wscript.exe
130	2572	wscript.exe
133	2612	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 opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js	wscript.exe
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

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\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-1-5-21-3849525425-30183055-657688904-1000\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-1-5-21-3849525425-30183055-657688904-1000\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 27 IoCs

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

description	flow	ioc
HTTP User-Agent header	22	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	130	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	125	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	46	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	88	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	117	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	69	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	77	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	82	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	63	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	59	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	75	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	105	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	37	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	11	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	26	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	54	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	16	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	98	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	120	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	92	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	101	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	31	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	50	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	111	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	9	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript
HTTP User-Agent header	39	WSHRAT\|2C20920D\|KGPMNUDG\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 11/10/2023\|JavaScript

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 2612	2740	wscript.exe	28
PID 2740 wrote to memory of 2612	2740	wscript.exe	28
PID 2740 wrote to memory of 2612	2740	wscript.exe	28
PID 2740 wrote to memory of 2572	2740	wscript.exe	29
PID 2740 wrote to memory of 2572	2740	wscript.exe	29
PID 2740 wrote to memory of 2572	2740	wscript.exe	29
PID 2572 wrote to memory of 2460	2572	wscript.exe	31
PID 2572 wrote to memory of 2460	2572	wscript.exe	31
PID 2572 wrote to memory of 2460	2572	wscript.exe	31

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\c98083c89ba696fdc10a9528722e8673f70b0b1872b52fbda472a38d4cfbf350_JC.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2740
- 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:2612
- 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
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2572
- - 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:2460

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

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