vjw0rm | 8f9ac4d3cc786019a4a6b3b6c38f4c8c3ebe7a8b9a5b8c88ab156c427ba76648

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20230621-en
resource tags

arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
submitted
02-07-2023 12:26

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General

Target

ShippingLabel.js
Size

2.7MB
MD5

058446c347e32ac73a565e1a799115bd
SHA1

dbbc875ed92a9875ad87165c75cc063a0bb2c440
SHA256

8f9ac4d3cc786019a4a6b3b6c38f4c8c3ebe7a8b9a5b8c88ab156c427ba76648
SHA512

10513b4331bb52c8fe19d6c79037a68e0bee67ec778670ab340be1f8ad3a8f3cf55c6fa4e8d7b771d2feb80ebd359abc09bf8a1baf34b5dfb21ae00c7ecfad87
SSDEEP

24576:XQHhAT5XcpsjFcd5bpqXkwo1jFY7VwyHP3tfrq+lsvfzqaPd9xljl:O

Score

10^/10

vjw0rm wshrat persistence trojan worm

Malware Config

Extracted

Family

wshrat

http://139.177.146.154:4242

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 55 IoCs

flow	pid	Process
9	1616	wscript.exe
10	1056	wscript.exe
11	772	wscript.exe
12	772	wscript.exe
14	1056	wscript.exe
15	1616	wscript.exe
17	772	wscript.exe
19	772	wscript.exe
21	1616	wscript.exe
22	1056	wscript.exe
27	772	wscript.exe
28	1056	wscript.exe
31	1616	wscript.exe
32	772	wscript.exe
34	772	wscript.exe
35	1616	wscript.exe
38	1056	wscript.exe
39	772	wscript.exe
41	1616	wscript.exe
42	1056	wscript.exe
46	772	wscript.exe
48	1616	wscript.exe
50	1056	wscript.exe
52	772	wscript.exe
53	772	wscript.exe
55	1616	wscript.exe
56	1056	wscript.exe
58	772	wscript.exe
61	1616	wscript.exe
63	1056	wscript.exe
64	772	wscript.exe
67	772	wscript.exe
68	1616	wscript.exe
70	1056	wscript.exe
72	772	wscript.exe
74	772	wscript.exe
76	1616	wscript.exe
77	1056	wscript.exe
79	772	wscript.exe
81	1616	wscript.exe
83	1056	wscript.exe
86	772	wscript.exe
88	772	wscript.exe
89	1616	wscript.exe
92	1056	wscript.exe
93	772	wscript.exe
94	1616	wscript.exe
96	1056	wscript.exe
98	772	wscript.exe
100	772	wscript.exe
102	1616	wscript.exe
103	1056	wscript.exe
107	772	wscript.exe
108	1616	wscript.exe
110	1056	wscript.exe

Drops startup file 5 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ShippingLabel.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xEXWqeyWTX.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xEXWqeyWTX.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ShippingLabel.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xEXWqeyWTX.js	wscript.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShippingLabel = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\ShippingLabel.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1437583205-2177757337-340526699-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1437583205-2177757337-340526699-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShippingLabel = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\ShippingLabel.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShippingLabel = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\ShippingLabel.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1437583205-2177757337-340526699-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1437583205-2177757337-340526699-1000\Software\Microsoft\Windows\CurrentVersion\Run\ShippingLabel = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\ShippingLabel.js\""	wscript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	wscript.exe

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

System Information Discovery
T1082

Script User-Agent 23 IoCs

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

description	flow	ioc
HTTP User-Agent header	98	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	17	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	32	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	58	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	72	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	74	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	79	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	11	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	12	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	19	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	39	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	100	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	107	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	52	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	53	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	64	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	88	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	27	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	34	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	46	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	67	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	86	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	93	WSHRAT\|CCB58F64\|XVLNHWCX\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 2/7/2023\|JavaScript

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 1056	1316	wscript.exe	28
PID 1316 wrote to memory of 1056	1316	wscript.exe	28
PID 1316 wrote to memory of 1056	1316	wscript.exe	28
PID 1316 wrote to memory of 772	1316	wscript.exe	29
PID 1316 wrote to memory of 772	1316	wscript.exe	29
PID 1316 wrote to memory of 772	1316	wscript.exe	29
PID 772 wrote to memory of 1616	772	wscript.exe	31
PID 772 wrote to memory of 1616	772	wscript.exe	31
PID 772 wrote to memory of 1616	772	wscript.exe	31

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\ShippingLabel.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\xEXWqeyWTX.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:1056
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\ShippingLabel.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:772
- - C:\Windows\System32\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\xEXWqeyWTX.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    PID:1616

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ShippingLabel.js

Filesize
2.7MB

MD5
058446c347e32ac73a565e1a799115bd

SHA1
dbbc875ed92a9875ad87165c75cc063a0bb2c440

SHA256
8f9ac4d3cc786019a4a6b3b6c38f4c8c3ebe7a8b9a5b8c88ab156c427ba76648

SHA512
10513b4331bb52c8fe19d6c79037a68e0bee67ec778670ab340be1f8ad3a8f3cf55c6fa4e8d7b771d2feb80ebd359abc09bf8a1baf34b5dfb21ae00c7ecfad87

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

Filesize
2.7MB

MD5
058446c347e32ac73a565e1a799115bd

SHA1
dbbc875ed92a9875ad87165c75cc063a0bb2c440

SHA256
8f9ac4d3cc786019a4a6b3b6c38f4c8c3ebe7a8b9a5b8c88ab156c427ba76648

SHA512
10513b4331bb52c8fe19d6c79037a68e0bee67ec778670ab340be1f8ad3a8f3cf55c6fa4e8d7b771d2feb80ebd359abc09bf8a1baf34b5dfb21ae00c7ecfad87

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

Filesize
346KB

MD5
ef0b971ae6f0713ad41a7774539bb787

SHA1
30e622c882a4e44b193d36c1a81d78850fe70c00

SHA256
62563b71eed9b8356f69bf8ba95e4664d6f936e485975d19cb04e7f456495fd3

SHA512
d9308bb70542e0ea6f080f5a2eafc528dd037fefe3a4b83a29721b161212572db27e20fa0d08d03dac0ae1691dd0f7c40471ab03d886158305d12ba4f48d1dc2

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

Filesize
2.7MB

MD5
058446c347e32ac73a565e1a799115bd

SHA1
dbbc875ed92a9875ad87165c75cc063a0bb2c440

SHA256
8f9ac4d3cc786019a4a6b3b6c38f4c8c3ebe7a8b9a5b8c88ab156c427ba76648

SHA512
10513b4331bb52c8fe19d6c79037a68e0bee67ec778670ab340be1f8ad3a8f3cf55c6fa4e8d7b771d2feb80ebd359abc09bf8a1baf34b5dfb21ae00c7ecfad87

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

Filesize
346KB

MD5
ef0b971ae6f0713ad41a7774539bb787

SHA1
30e622c882a4e44b193d36c1a81d78850fe70c00

SHA256
62563b71eed9b8356f69bf8ba95e4664d6f936e485975d19cb04e7f456495fd3

SHA512
d9308bb70542e0ea6f080f5a2eafc528dd037fefe3a4b83a29721b161212572db27e20fa0d08d03dac0ae1691dd0f7c40471ab03d886158305d12ba4f48d1dc2

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

Filesize
346KB

MD5
ef0b971ae6f0713ad41a7774539bb787

SHA1
30e622c882a4e44b193d36c1a81d78850fe70c00

SHA256
62563b71eed9b8356f69bf8ba95e4664d6f936e485975d19cb04e7f456495fd3

SHA512
d9308bb70542e0ea6f080f5a2eafc528dd037fefe3a4b83a29721b161212572db27e20fa0d08d03dac0ae1691dd0f7c40471ab03d886158305d12ba4f48d1dc2

Download Submit