wshrat | 7e66f9c9c8dbbd79ea3e3a11dc7e902897ffa2bac730d1df3db8e12f09c44722

General

Target

7e66f9c9c8dbbd79ea3e3a11dc7e902897ffa2bac730d1df3db8e12f09c44722.js
Size

7KB
MD5

639127541b99347b61d5081b9ba9bc70
SHA1

0c9360f998333030732704b4c4aede39ed7aeb8e
SHA256

7e66f9c9c8dbbd79ea3e3a11dc7e902897ffa2bac730d1df3db8e12f09c44722
SHA512

5d36c115a795494466a1875e843a5d548c2393e3a5a0f05f9356644604e73b43c3ddfcacd12198bed51917e82c45dfc3254d966c4b42d877b1812594a4863a17
SSDEEP

192:zxlLQMrx8j+GvF78g89vP8sF7GEMv1j+GvF75Sdn1dPE31dPT662S+KQj+GvF73z:zxlLQMrx8j+GvF78g89vP8sF7zMv1j+B

Score

10^/10

wshrat execution persistence trojan

Malware Config

Extracted

Family

wshrat

C2

http://chongmei33.publicvm.com:7045

Signatures

WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat

Blocklisted process makes network request 29 IoCs

flow	pid	Process
4	2072	wscript.exe
6	2072	wscript.exe
9	2072	wscript.exe
22	5104	WScript.exe
26	5104	WScript.exe
32	5104	WScript.exe
33	5104	WScript.exe
34	5104	WScript.exe
43	5104	WScript.exe
46	5104	WScript.exe
47	5104	WScript.exe
48	5104	WScript.exe
49	5104	WScript.exe
53	5104	WScript.exe
67	5104	WScript.exe
68	5104	WScript.exe
69	5104	WScript.exe
70	5104	WScript.exe
71	5104	WScript.exe
82	5104	WScript.exe
84	5104	WScript.exe
85	5104	WScript.exe
86	5104	WScript.exe
87	5104	WScript.exe
88	5104	WScript.exe
89	5104	WScript.exe
90	5104	WScript.exe
91	5104	WScript.exe
92	5104	WScript.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\GGDRZX.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\GGDRZX.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-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GGDRZX = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\GGDRZX.js\""	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GGDRZX = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\GGDRZX.js\""	WScript.exe

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000_Classes\Local Settings	wscript.exe

Script User-Agent 25 IoCs

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

description	flow	ioc
HTTP User-Agent header	89	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	22	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	46	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	70	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	33	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	48	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	49	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	53	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	67	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	87	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	26	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	34	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	43	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	69	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	71	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	85	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	88	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	47	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	68	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	32	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	90	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	91	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	84	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	82	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript
HTTP User-Agent header	86	WSHRAT\|DCD44786\|RHATQEDQ\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 23/5/2024\|JavaScript

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 5104	2072	wscript.exe	86
PID 2072 wrote to memory of 5104	2072	wscript.exe	86

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\7e66f9c9c8dbbd79ea3e3a11dc7e902897ffa2bac730d1df3db8e12f09c44722.js
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\GGDRZX.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  PID:5104

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\GGDRZX.js

Filesize
262KB

MD5
61003ace63f39ed1cc39a22cb924e6b1

SHA1
914548e77023a990b0e79e1cea9ce25991e8116e

SHA256
3d3b93e744a9fc154a70b6a6b709be2806598abb2b00db8e51faa55f961f3076

SHA512
e9d25955a7a9700b996dc435e23505ddb772290bf6370a0ccd122a34fc6c21c935b6a4dfc60fd2d2d00e74e6edb0f6f49d9df960a2ac3b7155a98d908560ba53

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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