wshrat | 019e983d91ef29bce54e750ec620a7e63418f34c9a393f3f44e11cbfa39c2258

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
03-05-2024 01:04

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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

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
4	1012	wscript.exe
10	1012	wscript.exe
11	1012	wscript.exe
13	1012	wscript.exe
32	1012	wscript.exe
33	1012	wscript.exe
39	1012	wscript.exe
41	1012	wscript.exe
42	1012	wscript.exe
51	1012	wscript.exe
57	1012	wscript.exe
58	1012	wscript.exe
59	1012	wscript.exe
60	1012	wscript.exe
64	1012	wscript.exe
72	1012	wscript.exe
73	1012	wscript.exe
74	1012	wscript.exe
75	1012	wscript.exe
76	1012	wscript.exe
82	1012	wscript.exe
94	1012	wscript.exe
96	1012	wscript.exe
97	1012	wscript.exe
98	1012	wscript.exe
99	1012	wscript.exe
100	1012	wscript.exe
101	1012	wscript.exe
102	1012	wscript.exe
103	1012	wscript.exe

Drops startup file 2 IoCs

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\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

flow	ioc
7	pastebin.com
11	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
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

Script User-Agent 29 IoCs

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

description	flow	ioc
HTTP User-Agent header	39	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	59	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	74	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	100	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	101	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	13	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	41	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	73	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	33	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	42	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	60	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	99	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	58	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	75	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	94	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	76	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	103	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	51	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	10	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	11	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	32	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	82	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	96	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	97	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	98	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	102	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	57	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	64	WSHRAT\|AAA7DECE\|LFKTDJGL\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 3/5/2024\|JavaScript-v3.4\|GB:United Kingdom
HTTP User-Agent header	72	WSHRAT\|AAA7DECE\|LFKTDJGL\|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\019e983d91ef29bce54e750ec620a7e63418f34c9a393f3f44e11cbfa39c2258.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:1012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

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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