wshrat | ba6e9387e0532f28f102888be55c228f62286e7cf5aa4f69ed5827940d72ec41

General

Target

019e983d91ef29bce54e750ec620a7e63418f34c9a393f3f44e11cbfa39c2258.js
Size

615KB
MD5

0b7c8b483dbe9dd80dcfc2efc2fe3595
SHA1

097e1054b08e5b6e454def018a04e865fb02874c
SHA256

019e983d91ef29bce54e750ec620a7e63418f34c9a393f3f44e11cbfa39c2258
SHA512

118be8d4c92581e3f51330eebfd5e7c5549e21b5d466d68799ddd6e7dc47b82e08f1924fabb7f049e0739da6f079983f4a2b87ab2957dc260b4763362406a321
SSDEEP

12288:rYeIrWr/qRigAyX/kngXFbjTLvaH28nZH19Iimg0VtxWvTbxzOObcizI/mofdEMt:rYeIrWr/qRigAyX/kngXFbjTLvaH28nQ

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 31 IoCs

Processes:

wscript.exe

flow	pid	process
3	3128	wscript.exe
6	3128	wscript.exe
7	3128	wscript.exe
14	3128	wscript.exe
34	3128	wscript.exe
39	3128	wscript.exe
41	3128	wscript.exe
42	3128	wscript.exe
43	3128	wscript.exe
56	3128	wscript.exe
58	3128	wscript.exe
59	3128	wscript.exe
60	3128	wscript.exe
61	3128	wscript.exe
62	3128	wscript.exe
67	3128	wscript.exe
76	3128	wscript.exe
77	3128	wscript.exe
78	3128	wscript.exe
79	3128	wscript.exe
85	3128	wscript.exe
87	3128	wscript.exe
101	3128	wscript.exe
102	3128	wscript.exe
103	3128	wscript.exe
104	3128	wscript.exe
105	3128	wscript.exe
106	3128	wscript.exe
107	3128	wscript.exe
108	3128	wscript.exe
112	3128	wscript.exe

Drops startup file 2 IoCs

Processes:

wscript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\019e983d91ef29bce54e750ec620a7e63418f34c9a393f3f44e11cbfa39c2258.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\019e983d91ef29bce54e750ec620a7e63418f34c9a393f3f44e11cbfa39c2258.js	wscript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\019e983d91ef29bce54e750ec620a7e63418f34c9a393f3f44e11cbfa39c2258 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\019e983d91ef29bce54e750ec620a7e63418f34c9a393f3f44e11cbfa39c2258.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\019e983d91ef29bce54e750ec620a7e63418f34c9a393f3f44e11cbfa39c2258 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\019e983d91ef29bce54e750ec620a7e63418f34c9a393f3f44e11cbfa39c2258.js\""	wscript.exe

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

Web Service
T1102

Processes:

flow ioc

5 pastebin.com
7 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.

Processes:

flow ioc

1 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

flow	ioc
5	pastebin.com
7	pastebin.com

flow	ioc
1	ip-api.com

Script User-Agent 30 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	43	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	78	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	107	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	59	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	60	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	77	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	6	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	14	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	39	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	56	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	58	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	41	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	42	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	102	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	79	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	85	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	103	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	105	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	112	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	7	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	62	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	76	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	34	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	101	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	104	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	106	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	108	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	61	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	67	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 4/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	87	WSHRAT\|20FDBEDC\|EXNCLZLI\|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\019e983d91ef29bce54e750ec620a7e63418f34c9a393f3f44e11cbfa39c2258.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:3128

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\019e983d91ef29bce54e750ec620a7e63418f34c9a393f3f44e11cbfa39c2258.js

Filesize
615KB

MD5
0b7c8b483dbe9dd80dcfc2efc2fe3595

SHA1
097e1054b08e5b6e454def018a04e865fb02874c

SHA256
019e983d91ef29bce54e750ec620a7e63418f34c9a393f3f44e11cbfa39c2258

SHA512
118be8d4c92581e3f51330eebfd5e7c5549e21b5d466d68799ddd6e7dc47b82e08f1924fabb7f049e0739da6f079983f4a2b87ab2957dc260b4763362406a321

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads