vjw0rm | 8f9ac4d3cc786019a4a6b3b6c38f4c8c3ebe7a8b9a5b8c88ab156c427ba76648

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

C2

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 35 IoCs

flow	pid	Process
9	1220	wscript.exe
10	1576	wscript.exe
11	476	wscript.exe
12	476	wscript.exe
14	476	wscript.exe
17	476	wscript.exe
21	476	wscript.exe
23	1576	wscript.exe
24	476	wscript.exe
27	1220	wscript.exe
29	476	wscript.exe
31	476	wscript.exe
33	476	wscript.exe
37	476	wscript.exe
40	476	wscript.exe
41	1576	wscript.exe
42	1220	wscript.exe
44	476	wscript.exe
47	476	wscript.exe
49	476	wscript.exe
52	476	wscript.exe
57	476	wscript.exe
60	1220	wscript.exe
61	1576	wscript.exe
62	476	wscript.exe
64	476	wscript.exe
67	476	wscript.exe
70	476	wscript.exe
73	476	wscript.exe
75	1220	wscript.exe
77	1576	wscript.exe
78	476	wscript.exe
80	476	wscript.exe
82	476	wscript.exe
85	476	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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShippingLabel = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\ShippingLabel.js\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-3518257231-2980324860-1431329550-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3518257231-2980324860-1431329550-1000\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-1-5-21-3518257231-2980324860-1431329550-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3518257231-2980324860-1431329550-1000\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 25 IoCs

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

description	flow	ioc
HTTP User-Agent header	47	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	52	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	80	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	17	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	24	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	33	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	64	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	67	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	73	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	82	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	21	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	31	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	40	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	44	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	49	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	57	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	62	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	78	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	12	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	14	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	29	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	37	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	70	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	85	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript
HTTP User-Agent header	11	WSHRAT\|80407892\|VWMLZJGN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 28/6/2023\|JavaScript

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 1576	1320	wscript.exe	27
PID 1320 wrote to memory of 1576	1320	wscript.exe	27
PID 1320 wrote to memory of 1576	1320	wscript.exe	27
PID 1320 wrote to memory of 476	1320	wscript.exe	28
PID 1320 wrote to memory of 476	1320	wscript.exe	28
PID 1320 wrote to memory of 476	1320	wscript.exe	28
PID 476 wrote to memory of 1220	476	wscript.exe	30
PID 476 wrote to memory of 1220	476	wscript.exe	30
PID 476 wrote to memory of 1220	476	wscript.exe	30

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:1320
- 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:1576
- 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:476
- - 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:1220

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

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

Analysis

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