vjw0rm | 8f9ac4d3cc786019a4a6b3b6c38f4c8c3ebe7a8b9a5b8c88ab156c427ba76648

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2023 06:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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 39 IoCs

flow	pid	Process
5	368	wscript.exe
7	3896	wscript.exe
8	212	wscript.exe
12	3896	wscript.exe
18	3896	wscript.exe
20	3896	wscript.exe
21	3896	wscript.exe
32	368	wscript.exe
33	3896	wscript.exe
36	212	wscript.exe
37	3896	wscript.exe
39	3896	wscript.exe
40	3896	wscript.exe
43	3896	wscript.exe
45	3896	wscript.exe
46	368	wscript.exe
47	212	wscript.exe
48	3896	wscript.exe
50	3896	wscript.exe
54	3896	wscript.exe
55	3896	wscript.exe
56	3896	wscript.exe
57	368	wscript.exe
58	212	wscript.exe
59	3896	wscript.exe
60	3896	wscript.exe
61	3896	wscript.exe
62	3896	wscript.exe
63	3896	wscript.exe
64	368	wscript.exe
65	212	wscript.exe
66	3896	wscript.exe
67	3896	wscript.exe
68	3896	wscript.exe
69	3896	wscript.exe
70	3896	wscript.exe
71	368	wscript.exe
72	3896	wscript.exe
73	212	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-1-5-21-2177513644-1903222820-241662473-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2177513644-1903222820-241662473-1000\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\xEXWqeyWTX.js	wscript.exe
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

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\USER\S-1-5-21-2177513644-1903222820-241662473-1000\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-1-5-21-2177513644-1903222820-241662473-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2177513644-1903222820-241662473-1000\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-1-5-21-2177513644-1903222820-241662473-1000\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 27 IoCs

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

description	flow	ioc
HTTP User-Agent header	37	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	60	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	21	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	45	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	48	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	20	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	40	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	61	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	43	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	56	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	62	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	66	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	18	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	68	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	72	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	39	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	70	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	67	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	54	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	59	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	63	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	7	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	12	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	33	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	50	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	55	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	69	WSHRAT\|C4D3DF5E\|HKLRNDEY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/6/2023\|JavaScript

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 728 wrote to memory of 368	728	wscript.exe	84
PID 728 wrote to memory of 368	728	wscript.exe	84
PID 728 wrote to memory of 3896	728	wscript.exe	85
PID 728 wrote to memory of 3896	728	wscript.exe	85
PID 3896 wrote to memory of 212	3896	wscript.exe	86
PID 3896 wrote to memory of 212	3896	wscript.exe	86

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\ShippingLabel.js
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:728
- 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:368
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\ShippingLabel.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:3896
- - 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:212

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

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\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