wshrat | 2027db19e08f49cb365ca8523145ff5ce77bf4b4430075c3bf274f4a4f3f789b

General

Target

2027db19e08f49cb365ca8523145ff5ce77bf4b4430075c3bf274f4a4f3f789b.js
Size

614KB
MD5

2299cd103202899b48a32a317f58192d
SHA1

f813552dffb221b7cfaf356d571bf6468b9e58aa
SHA256

2027db19e08f49cb365ca8523145ff5ce77bf4b4430075c3bf274f4a4f3f789b
SHA512

2385b8acefda53c6620bb220e7dc5a8fde64c7d6ccb110a6a0d32152d0d87444fcfbc88bb9dbef322f0ced7bc27b92d43fc1bc1bb5d409f289ae86b816123d14
SSDEEP

12288:kYeIrWr/qRigAyX/kngXFbjTLvaH28nZH19Iimg0VtxWvTbxzOObcizI/mofdEMU:kYeIrWr/qRigAyX/kngXFbjTLvaH28nJ

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 23 IoCs

Processes:

wscript.exe

flow	pid	process
3	3068	wscript.exe
8	3068	wscript.exe
10	3068	wscript.exe
12	3068	wscript.exe
13	3068	wscript.exe
32	3068	wscript.exe
41	3068	wscript.exe
45	3068	wscript.exe
49	3068	wscript.exe
50	3068	wscript.exe
64	3068	wscript.exe
65	3068	wscript.exe
66	3068	wscript.exe
70	3068	wscript.exe
80	3068	wscript.exe
81	3068	wscript.exe
84	3068	wscript.exe
95	3068	wscript.exe
96	3068	wscript.exe
97	3068	wscript.exe
98	3068	wscript.exe
99	3068	wscript.exe
100	3068	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\2027db19e08f49cb365ca8523145ff5ce77bf4b4430075c3bf274f4a4f3f789b.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2027db19e08f49cb365ca8523145ff5ce77bf4b4430075c3bf274f4a4f3f789b.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-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2027db19e08f49cb365ca8523145ff5ce77bf4b4430075c3bf274f4a4f3f789b = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\2027db19e08f49cb365ca8523145ff5ce77bf4b4430075c3bf274f4a4f3f789b.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2027db19e08f49cb365ca8523145ff5ce77bf4b4430075c3bf274f4a4f3f789b = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\2027db19e08f49cb365ca8523145ff5ce77bf4b4430075c3bf274f4a4f3f789b.js\""	wscript.exe

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

Web Service
T1102

Processes:

flow ioc

11 pastebin.com
13 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

31 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
11	pastebin.com
13	pastebin.com

flow	ioc
31	ip-api.com

Script User-Agent 19 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	49	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	64	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	84	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	96	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	97	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	45	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	66	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	95	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	80	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	81	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	98	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	99	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	41	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	50	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	65	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	100	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	12	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	13	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	70	WSHRAT\|02B75337\|QHTZQASZ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 8/5/2024\|JavaScript-v3.4\|GB:United Kingdom

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\2027db19e08f49cb365ca8523145ff5ce77bf4b4430075c3bf274f4a4f3f789b.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:3068

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\2027db19e08f49cb365ca8523145ff5ce77bf4b4430075c3bf274f4a4f3f789b.js

Filesize
614KB

MD5
2299cd103202899b48a32a317f58192d

SHA1
f813552dffb221b7cfaf356d571bf6468b9e58aa

SHA256
2027db19e08f49cb365ca8523145ff5ce77bf4b4430075c3bf274f4a4f3f789b

SHA512
2385b8acefda53c6620bb220e7dc5a8fde64c7d6ccb110a6a0d32152d0d87444fcfbc88bb9dbef322f0ced7bc27b92d43fc1bc1bb5d409f289ae86b816123d14

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads