wshrat | 57679766d792132497921ab478f7802f3599a8d19a9c4190045e3a139e9f2c52

General

Target

57679766d792132497921ab478f7802f3599a8d19a9c4190045e3a139e9f2c52.js
Size

2.1MB
MD5

40d85b56e7392f84a265c3e43209112c
SHA1

c10e1c1c487f84dbb2cf5089f473529114a89859
SHA256

57679766d792132497921ab478f7802f3599a8d19a9c4190045e3a139e9f2c52
SHA512

203709c65208887bdc78bc02d366ee48a04b90e7e701876416a04b98b12e01e18e5468ddb69ff018ea52816b9e4eae0787bc024cc550d2d35271191829ae7690
SSDEEP

49152:gZknKnkiP2Kkaq4ePu3SomhEvQZuqCniSZae2h6ifBUw5LWrVRRNb/YopQESU3oW:w

Score

10^/10

wshrat execution persistence trojan

Malware Config

Extracted

Family

wshrat

C2

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 32 IoCs

flow	pid	Process
26	1748	wscript.exe
28	1748	wscript.exe
30	1748	wscript.exe
31	1748	wscript.exe
33	1748	wscript.exe
39	1748	wscript.exe
47	1748	wscript.exe
48	1748	wscript.exe
49	1748	wscript.exe
61	1748	wscript.exe
64	1748	wscript.exe
65	1748	wscript.exe
66	1748	wscript.exe
67	1748	wscript.exe
68	1748	wscript.exe
73	1748	wscript.exe
82	1748	wscript.exe
83	1748	wscript.exe
84	1748	wscript.exe
85	1748	wscript.exe
88	1748	wscript.exe
90	1748	wscript.exe
101	1748	wscript.exe
102	1748	wscript.exe
103	1748	wscript.exe
104	1748	wscript.exe
105	1748	wscript.exe
106	1748	wscript.exe
107	1748	wscript.exe
108	1748	wscript.exe
109	1748	wscript.exe
110	1748	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\57679766d792132497921ab478f7802f3599a8d19a9c4190045e3a139e9f2c52.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\57679766d792132497921ab478f7802f3599a8d19a9c4190045e3a139e9f2c52.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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\57679766d792132497921ab478f7802f3599a8d19a9c4190045e3a139e9f2c52 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\57679766d792132497921ab478f7802f3599a8d19a9c4190045e3a139e9f2c52.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\57679766d792132497921ab478f7802f3599a8d19a9c4190045e3a139e9f2c52 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\57679766d792132497921ab478f7802f3599a8d19a9c4190045e3a139e9f2c52.js\""	wscript.exe

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

Web Service

T1102

flow	ioc
29	pastebin.com
31	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
32	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 28 IoCs

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

description	flow	ioc
HTTP User-Agent header	30	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	64	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	73	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	48	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	105	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	82	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	108	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	39	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	65	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	67	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	68	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	90	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	103	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	109	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	49	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	84	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	85	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	101	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	102	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	107	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	47	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	31	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	83	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	104	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	61	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	66	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	88	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	106	WSHRAT\|AAA7DECE\|LFKTDJGL\|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\57679766d792132497921ab478f7802f3599a8d19a9c4190045e3a139e9f2c52.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

JavaScript

1

T1059.007

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\57679766d792132497921ab478f7802f3599a8d19a9c4190045e3a139e9f2c52.js

Filesize
2.1MB

MD5
40d85b56e7392f84a265c3e43209112c

SHA1
c10e1c1c487f84dbb2cf5089f473529114a89859

SHA256
57679766d792132497921ab478f7802f3599a8d19a9c4190045e3a139e9f2c52

SHA512
203709c65208887bdc78bc02d366ee48a04b90e7e701876416a04b98b12e01e18e5468ddb69ff018ea52816b9e4eae0787bc024cc550d2d35271191829ae7690

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads