wshrat | 0cb55adaebcd33b94fb00efcd1b927b2bc49a05e4ec4f9cc02bb70b3c5dfeb7c

Analysis

max time kernel
147s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
04-05-2024 01:02

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General

Target

0cb55adaebcd33b94fb00efcd1b927b2bc49a05e4ec4f9cc02bb70b3c5dfeb7c.js
Size

830KB
MD5

3f2a1c1daacef7c9dc6f69c5362c9928
SHA1

3ce5d81226174c6c048313b9702fec63491eb339
SHA256

0cb55adaebcd33b94fb00efcd1b927b2bc49a05e4ec4f9cc02bb70b3c5dfeb7c
SHA512

d325873f1fd3bf4393ce60329451874b2a7543c5c3068fd0427030f761f20f9e8539fed72ff24155cfc6d7d609a997c1ceb91cc643a79732c0a2bf97c731eee9
SSDEEP

24576:hKDnslywYmw3SkKNuhf+0s3S3PnukeZauv/k5IgPZ5i:hKbstYmw3SNwhm0CSfgauvmLi

Score

10^/10

wshrat execution persistence trojan

Malware Config

Extracted

Family

wshrat

http://masterokrwh.duckdns.org:8426

Signatures

WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat

Blocklisted process makes network request 34 IoCs

flow	pid	Process
4	4792	wscript.exe
6	4792	wscript.exe
8	4792	wscript.exe
10	4792	wscript.exe
11	4792	wscript.exe
22	4792	wscript.exe
26	4792	wscript.exe
43	4792	wscript.exe
47	4792	wscript.exe
52	4792	wscript.exe
53	4792	wscript.exe
54	4792	wscript.exe
68	4792	wscript.exe
69	4792	wscript.exe
70	4792	wscript.exe
71	4792	wscript.exe
72	4792	wscript.exe
77	4792	wscript.exe
85	4792	wscript.exe
87	4792	wscript.exe
88	4792	wscript.exe
89	4792	wscript.exe
90	4792	wscript.exe
94	4792	wscript.exe
96	4792	wscript.exe
105	4792	wscript.exe
106	4792	wscript.exe
107	4792	wscript.exe
108	4792	wscript.exe
109	4792	wscript.exe
110	4792	wscript.exe
111	4792	wscript.exe
112	4792	wscript.exe
113	4792	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0cb55adaebcd33b94fb00efcd1b927b2bc49a05e4ec4f9cc02bb70b3c5dfeb7c.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0cb55adaebcd33b94fb00efcd1b927b2bc49a05e4ec4f9cc02bb70b3c5dfeb7c.js	wscript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0cb55adaebcd33b94fb00efcd1b927b2bc49a05e4ec4f9cc02bb70b3c5dfeb7c = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\0cb55adaebcd33b94fb00efcd1b927b2bc49a05e4ec4f9cc02bb70b3c5dfeb7c.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0cb55adaebcd33b94fb00efcd1b927b2bc49a05e4ec4f9cc02bb70b3c5dfeb7c = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\0cb55adaebcd33b94fb00efcd1b927b2bc49a05e4ec4f9cc02bb70b3c5dfeb7c.js\""	wscript.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
9	pastebin.com
11	pastebin.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
19	ip-api.com

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Script User-Agent 30 IoCs

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

description	flow	ioc
HTTP User-Agent header	87	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	90	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	94	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	111	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	10	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	69	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	71	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	77	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	106	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	107	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	26	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	43	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	68	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	105	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	96	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	113	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	47	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	53	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	54	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	72	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	70	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	108	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	112	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	88	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	109	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	110	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	11	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	52	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	85	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	89	WSHRAT\|F60996CF\|HNOPMLPY\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\0cb55adaebcd33b94fb00efcd1b927b2bc49a05e4ec4f9cc02bb70b3c5dfeb7c.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:4792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

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

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0cb55adaebcd33b94fb00efcd1b927b2bc49a05e4ec4f9cc02bb70b3c5dfeb7c.js

Filesize
830KB

MD5
3f2a1c1daacef7c9dc6f69c5362c9928

SHA1
3ce5d81226174c6c048313b9702fec63491eb339

SHA256
0cb55adaebcd33b94fb00efcd1b927b2bc49a05e4ec4f9cc02bb70b3c5dfeb7c

SHA512
d325873f1fd3bf4393ce60329451874b2a7543c5c3068fd0427030f761f20f9e8539fed72ff24155cfc6d7d609a997c1ceb91cc643a79732c0a2bf97c731eee9

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads