wshrat | 010095c8ca094243c44f0d489b55dc1a132e0f776ab71e6bc221ff8c127a810b

General

Target

010095c8ca094243c44f0d489b55dc1a132e0f776ab71e6bc221ff8c127a810b.js
Size

2.1MB
MD5

a6397cdb9e01000e53c123893acad42c
SHA1

6cd4fbdf9d806e21533c546e3aca996d20a611ba
SHA256

010095c8ca094243c44f0d489b55dc1a132e0f776ab71e6bc221ff8c127a810b
SHA512

3f2dd11560d819839697a3f256a9e4dae693f7401d4b870c93d40d1c9d35449de35e7366acf1ca66d537759ff62d6a1859c906d792847074f88740a3536510a5
SSDEEP

49152:DScjW/OiHYKmqYRBWiV0j79VyNBrccl3dndiGrlvU2YpLharpFL5+gzzPsg0m2Qh:/

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 30 IoCs

flow	pid	Process
34	336	wscript.exe
36	336	wscript.exe
37	336	wscript.exe
41	336	wscript.exe
46	336	wscript.exe
49	336	wscript.exe
50	336	wscript.exe
53	336	wscript.exe
65	336	wscript.exe
66	336	wscript.exe
67	336	wscript.exe
68	336	wscript.exe
69	336	wscript.exe
73	336	wscript.exe
82	336	wscript.exe
83	336	wscript.exe
84	336	wscript.exe
85	336	wscript.exe
86	336	wscript.exe
93	336	wscript.exe
98	336	wscript.exe
99	336	wscript.exe
100	336	wscript.exe
101	336	wscript.exe
102	336	wscript.exe
103	336	wscript.exe
104	336	wscript.exe
105	336	wscript.exe
106	336	wscript.exe
111	336	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\010095c8ca094243c44f0d489b55dc1a132e0f776ab71e6bc221ff8c127a810b.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\010095c8ca094243c44f0d489b55dc1a132e0f776ab71e6bc221ff8c127a810b.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-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\010095c8ca094243c44f0d489b55dc1a132e0f776ab71e6bc221ff8c127a810b = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\010095c8ca094243c44f0d489b55dc1a132e0f776ab71e6bc221ff8c127a810b.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\010095c8ca094243c44f0d489b55dc1a132e0f776ab71e6bc221ff8c127a810b = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\010095c8ca094243c44f0d489b55dc1a132e0f776ab71e6bc221ff8c127a810b.js\""	wscript.exe

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

Web Service

T1102

flow	ioc
35	pastebin.com
37	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
33	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	36	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	41	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	67	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	84	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	85	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	98	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	53	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	102	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	46	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	50	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	65	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	104	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	49	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	68	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	83	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	105	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	37	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	82	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	103	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	69	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	86	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	101	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	73	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	99	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	66	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	93	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	100	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	106	WSHRAT\|20FDBEDC\|EXNCLZLI\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\010095c8ca094243c44f0d489b55dc1a132e0f776ab71e6bc221ff8c127a810b.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:336

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\010095c8ca094243c44f0d489b55dc1a132e0f776ab71e6bc221ff8c127a810b.js

Filesize
2.1MB

MD5
a6397cdb9e01000e53c123893acad42c

SHA1
6cd4fbdf9d806e21533c546e3aca996d20a611ba

SHA256
010095c8ca094243c44f0d489b55dc1a132e0f776ab71e6bc221ff8c127a810b

SHA512
3f2dd11560d819839697a3f256a9e4dae693f7401d4b870c93d40d1c9d35449de35e7366acf1ca66d537759ff62d6a1859c906d792847074f88740a3536510a5

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads