wshrat | 4854f4cdfc2cc56b7e62e3cb3503e4d2873207bd1dd99805f3c39a666a1473b5

General

Target

Payment Notification.js
Size

1009KB
MD5

e7fcc6eafeb8d232acb424cf11a72144
SHA1

4c16409adece66c53e8b1caf87f6bd6f30e611e8
SHA256

4854f4cdfc2cc56b7e62e3cb3503e4d2873207bd1dd99805f3c39a666a1473b5
SHA512

5e03618e89145435b49aaeaccb3b40886a44ecf752c8bf49a1284e8b2a647c7492199c8a2ad13c0393ae591d71f221c09ecd0e2be93b76a8fee6a29196128949
SSDEEP

3072:QQLlH0xKE8W8za9r6HLb6kyVIksLgu9M/z/SjANqyCCn50jPjSF:QQG

Score

10^/10

wshrat trojan

Malware Config

Extracted

Family

wshrat

C2

http://harold.2waky.com:1604

Signatures

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

Blocklisted process makes network request 19 IoCs

flow	pid	Process
8	4680	wscript.exe
10	4680	wscript.exe
17	4680	wscript.exe
18	4680	wscript.exe
24	4680	wscript.exe
45	4680	wscript.exe
53	4680	wscript.exe
55	4680	wscript.exe
62	4680	wscript.exe
72	4680	wscript.exe
73	4680	wscript.exe
79	4680	wscript.exe
82	4680	wscript.exe
83	4680	wscript.exe
86	4680	wscript.exe
87	4680	wscript.exe
88	4680	wscript.exe
91	4680	wscript.exe
92	4680	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-1-5-21-2275444769-3691835758-4097679484-1000\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\Payment Notification.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Payment Notification.js	wscript.exe

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
7	ip-api.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Script User-Agent 17 IoCs

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

description	flow	ioc
HTTP User-Agent header	24	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	86	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	87	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	62	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	88	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	18	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	45	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	55	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	91	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	17	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	72	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	82	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	83	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	92	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	10	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	53	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	79	WSHRAT\|924C16C7\|OZADSVWH\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 22/5/2023\|JavaScript-v3.4\|IN:India

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 4680	4556	wscript.exe	85
PID 4556 wrote to memory of 4680	4556	wscript.exe	85

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Payment Notification.js"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:4556
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\Payment Notification.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:4680

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Payment Notification.js

Filesize
1009KB

MD5
e7fcc6eafeb8d232acb424cf11a72144

SHA1
4c16409adece66c53e8b1caf87f6bd6f30e611e8

SHA256
4854f4cdfc2cc56b7e62e3cb3503e4d2873207bd1dd99805f3c39a666a1473b5

SHA512
5e03618e89145435b49aaeaccb3b40886a44ecf752c8bf49a1284e8b2a647c7492199c8a2ad13c0393ae591d71f221c09ecd0e2be93b76a8fee6a29196128949

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Payment Notification.js

Filesize
1009KB

MD5
e7fcc6eafeb8d232acb424cf11a72144

SHA1
4c16409adece66c53e8b1caf87f6bd6f30e611e8

SHA256
4854f4cdfc2cc56b7e62e3cb3503e4d2873207bd1dd99805f3c39a666a1473b5

SHA512
5e03618e89145435b49aaeaccb3b40886a44ecf752c8bf49a1284e8b2a647c7492199c8a2ad13c0393ae591d71f221c09ecd0e2be93b76a8fee6a29196128949

Download Submit
C:\Users\Admin\Payment Notification.js

Filesize
1009KB

MD5
e7fcc6eafeb8d232acb424cf11a72144

SHA1
4c16409adece66c53e8b1caf87f6bd6f30e611e8

SHA256
4854f4cdfc2cc56b7e62e3cb3503e4d2873207bd1dd99805f3c39a666a1473b5

SHA512
5e03618e89145435b49aaeaccb3b40886a44ecf752c8bf49a1284e8b2a647c7492199c8a2ad13c0393ae591d71f221c09ecd0e2be93b76a8fee6a29196128949

Download Submit

Analysis

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