wshrat | e8b589ab580205d0a3cf61367dc5e818aa2a7a90973b95de55502ff6c5853e27

General

Target

Invoice-883973938.js
Size

614KB
MD5

df7e2ec3ee72ab7a80d2542807ea0c25
SHA1

21f70badfff73f0b55d417d08438236f3e7cfd52
SHA256

e8b589ab580205d0a3cf61367dc5e818aa2a7a90973b95de55502ff6c5853e27
SHA512

fda45ee869d1f5f41a0f4846072bc79680474df60fdc2976be6b5d0f886852010607755c5ccf9dde4f13ad848a8107ce2a591142f9d1b42c9f9698c9008c99a1
SSDEEP

12288:bYeIrWr/qRigAyX/kngXFbjTLvaH28nZH19Iimg0VtxWvTbxzOObcizI/mofdEM+:bYeIrWr/qRigAyX/kngXFbjTLvaH28nT

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 13 IoCs

Processes:

wscript.exe

flow	pid	process
4	1952	wscript.exe
7	1952	wscript.exe
9	1952	wscript.exe
10	1952	wscript.exe
12	1952	wscript.exe
14	1952	wscript.exe
15	1952	wscript.exe
18	1952	wscript.exe
19	1952	wscript.exe
20	1952	wscript.exe
21	1952	wscript.exe
23	1952	wscript.exe
24	1952	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\Invoice-883973938.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Invoice-883973938.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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\Invoice-883973938 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\Invoice-883973938.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Invoice-883973938 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\Invoice-883973938.js\""	wscript.exe

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

Web Service
T1102

Processes:

flow ioc

8 pastebin.com
10 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

11 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
8	pastebin.com
10	pastebin.com

flow	ioc
11	ip-api.com

Script User-Agent 10 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	15	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 7/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	19	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 7/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	23	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 7/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	24	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 7/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	21	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 7/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	9	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	10	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	14	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 7/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	18	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 7/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	20	WSHRAT\|08193A6E\|QGTQZTRE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 7/5/2024\|JavaScript-v3.4\|GB:United Kingdom

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Invoice-883973938.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1952

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\Invoice-883973938.js

Filesize
614KB

MD5
df7e2ec3ee72ab7a80d2542807ea0c25

SHA1
21f70badfff73f0b55d417d08438236f3e7cfd52

SHA256
e8b589ab580205d0a3cf61367dc5e818aa2a7a90973b95de55502ff6c5853e27

SHA512
fda45ee869d1f5f41a0f4846072bc79680474df60fdc2976be6b5d0f886852010607755c5ccf9dde4f13ad848a8107ce2a591142f9d1b42c9f9698c9008c99a1

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads