vjw0rm | 8f9ac4d3cc786019a4a6b3b6c38f4c8c3ebe7a8b9a5b8c88ab156c427ba76648

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
02/07/2023, 12:26

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General

Target
ShippingLabel.js
Size 2.7MB
Sample230702-pl6vyscf3t
SHA256 8f9ac4d3cc786019a4a6b3b6c38f4c8c3ebe7a8b9a5b8c88ab156c427ba76648
MD5 058446c347e32ac73a565e1a799115bd
SHA1 dbbc875ed92a9875ad87165c75cc063a0bb2c440
SHA512 10513b4331bb52c8fe19d6c79037a68e0bee67ec778670ab340be1f8ad3a8f3cf55c6fa4e8d7b771d2feb80ebd359abc09bf8a1baf34b5dfb21ae00c7ecfad87
SSDEEP 24576:XQHhAT5XcpsjFcd5bpqXkwo1jFY7VwyHP3tfrq+lsvfzqaPd9xljl:O
MD5 SHA1 SHA512 SSDEEP

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 59 IoCs

flow	pid	Process
16	2416	wscript.exe
18	4412	wscript.exe
19	3572	wscript.exe
25	4412	wscript.exe
26	2416	wscript.exe
27	3572	wscript.exe
28	4412	wscript.exe
37	4412	wscript.exe
38	2416	wscript.exe
39	3572	wscript.exe
40	4412	wscript.exe
42	4412	wscript.exe
44	2416	wscript.exe
46	3572	wscript.exe
49	4412	wscript.exe
50	2416	wscript.exe
51	4412	wscript.exe
52	3572	wscript.exe
56	4412	wscript.exe
60	2416	wscript.exe
61	3572	wscript.exe
64	4412	wscript.exe
66	2416	wscript.exe
67	4412	wscript.exe
68	3572	wscript.exe
72	4412	wscript.exe
73	2416	wscript.exe
74	3572	wscript.exe
86	4412	wscript.exe
89	4412	wscript.exe
90	2416	wscript.exe
91	3572	wscript.exe
92	4412	wscript.exe
93	4412	wscript.exe
94	2416	wscript.exe
95	3572	wscript.exe
96	4412	wscript.exe
98	2416	wscript.exe
99	4412	wscript.exe
100	3572	wscript.exe
101	4412	wscript.exe
107	2416	wscript.exe
108	3572	wscript.exe
109	4412	wscript.exe
110	4412	wscript.exe
111	2416	wscript.exe
112	3572	wscript.exe
113	4412	wscript.exe
114	2416	wscript.exe
115	3572	wscript.exe
116	4412	wscript.exe
117	4412	wscript.exe
118	2416	wscript.exe
119	3572	wscript.exe
120	4412	wscript.exe
121	4412	wscript.exe
122	2416	wscript.exe
123	3572	wscript.exe
124	4412	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-1-5-21-508929744-1894537824-211734425-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\Control Panel\International\Geo\Nation	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\USER\S-1-5-21-508929744-1894537824-211734425-1000\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-1-5-21-508929744-1894537824-211734425-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-508929744-1894537824-211734425-1000\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-1-5-21-508929744-1894537824-211734425-1000\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	64	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	113	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	28	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	120	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	101	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	110	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	121	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	42	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	49	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	86	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	124	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	67	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	92	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	96	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	99	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	56	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	37	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	40	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	51	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	89	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	18	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	116	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	72	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	109	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	93	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	117	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript
HTTP User-Agent header	25	WSHRAT\|DC4FC4A6\|GAJYPACP\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 2/7/2023\|JavaScript

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 416 wrote to memory of 2416	416	wscript.exe	86
PID 416 wrote to memory of 2416	416	wscript.exe	86
PID 416 wrote to memory of 4412	416	wscript.exe	87
PID 416 wrote to memory of 4412	416	wscript.exe	87
PID 4412 wrote to memory of 3572	4412	wscript.exe	88
PID 4412 wrote to memory of 3572	4412	wscript.exe	88

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:416
- 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:2416
- 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:4412
- - 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:3572

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

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Downloads

ShippingLabel.js

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ShippingLabel.js
Size 128KB
SHA256 71d5297891b098077c3b4820bc2683e5627bb13e0f80805bcafbb986f4994e05
MD5 f049b3874d5c7614d5fb6f15ad4765b1
SHA1 7a321790de1b5af7f690e03e74ae617332a7b5b1
SHA512 4cafdf56910429b109285b927cf101595e0f82ffa19e76b6c7579bf010847e7ba594da9cbce9d3fc00707fc9776bddd250d80a5e75039a374cee246b004381ba
SSDEEP 1536:cN8XhC1AwfaFol1HNFsdMChzR1ioFgwkey+RKdOk8uc2brXUCokv3ZRZR+wsaMmm:cP1uI1t0HOOkNcQUM3j3s9LHqA9drKmX
MD5 SHA1 SHA512 SSDEEP

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ShippingLabel.js

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ShippingLabel.js
Size 2.7MB
SHA256 8f9ac4d3cc786019a4a6b3b6c38f4c8c3ebe7a8b9a5b8c88ab156c427ba76648
MD5 058446c347e32ac73a565e1a799115bd
SHA1 dbbc875ed92a9875ad87165c75cc063a0bb2c440
SHA512 10513b4331bb52c8fe19d6c79037a68e0bee67ec778670ab340be1f8ad3a8f3cf55c6fa4e8d7b771d2feb80ebd359abc09bf8a1baf34b5dfb21ae00c7ecfad87
SSDEEP 24576:XQHhAT5XcpsjFcd5bpqXkwo1jFY7VwyHP3tfrq+lsvfzqaPd9xljl:O
MD5 SHA1 SHA512 SSDEEP

Submit Download

xEXWqeyWTX.js

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xEXWqeyWTX.js
Size 346KB
SHA256 62563b71eed9b8356f69bf8ba95e4664d6f936e485975d19cb04e7f456495fd3
MD5 ef0b971ae6f0713ad41a7774539bb787
SHA1 30e622c882a4e44b193d36c1a81d78850fe70c00
SHA512 d9308bb70542e0ea6f080f5a2eafc528dd037fefe3a4b83a29721b161212572db27e20fa0d08d03dac0ae1691dd0f7c40471ab03d886158305d12ba4f48d1dc2
SSDEEP 6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8IW:eQ3B7qgpx
MD5 SHA1 SHA512 SSDEEP

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ShippingLabel.js

Path C:\Users\Admin\AppData\Roaming\ShippingLabel.js
Size 2.7MB
SHA256 8f9ac4d3cc786019a4a6b3b6c38f4c8c3ebe7a8b9a5b8c88ab156c427ba76648
MD5 058446c347e32ac73a565e1a799115bd
SHA1 dbbc875ed92a9875ad87165c75cc063a0bb2c440
SHA512 10513b4331bb52c8fe19d6c79037a68e0bee67ec778670ab340be1f8ad3a8f3cf55c6fa4e8d7b771d2feb80ebd359abc09bf8a1baf34b5dfb21ae00c7ecfad87
SSDEEP 24576:XQHhAT5XcpsjFcd5bpqXkwo1jFY7VwyHP3tfrq+lsvfzqaPd9xljl:O
MD5 SHA1 SHA512 SSDEEP

Submit Download

xEXWqeyWTX.js

Path C:\Users\Admin\AppData\Roaming\xEXWqeyWTX.js
Size 346KB
SHA256 62563b71eed9b8356f69bf8ba95e4664d6f936e485975d19cb04e7f456495fd3
MD5 ef0b971ae6f0713ad41a7774539bb787
SHA1 30e622c882a4e44b193d36c1a81d78850fe70c00
SHA512 d9308bb70542e0ea6f080f5a2eafc528dd037fefe3a4b83a29721b161212572db27e20fa0d08d03dac0ae1691dd0f7c40471ab03d886158305d12ba4f48d1dc2
SSDEEP 6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8IW:eQ3B7qgpx
MD5 SHA1 SHA512 SSDEEP

Submit Download

xEXWqeyWTX.js

Path C:\Users\Admin\AppData\Roaming\xEXWqeyWTX.js
Size 346KB
SHA256 62563b71eed9b8356f69bf8ba95e4664d6f936e485975d19cb04e7f456495fd3
MD5 ef0b971ae6f0713ad41a7774539bb787
SHA1 30e622c882a4e44b193d36c1a81d78850fe70c00
SHA512 d9308bb70542e0ea6f080f5a2eafc528dd037fefe3a4b83a29721b161212572db27e20fa0d08d03dac0ae1691dd0f7c40471ab03d886158305d12ba4f48d1dc2
SSDEEP 6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8IW:eQ3B7qgpx
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads