wshrat | 31c2e51efcbff0aa489aa6af1a48cf78f6a9febfb449a19d029f8cc8ebb4495f

General

Target

Request For Quotation.js
Size

941KB
MD5

8b3ad681d5649f4c1955096bc04bfe18
SHA1

09ef01f730ceef26760567522dfe3e87f59afc8a
SHA256

31c2e51efcbff0aa489aa6af1a48cf78f6a9febfb449a19d029f8cc8ebb4495f
SHA512

20ec006e32344b25757c5e67ff5b0a2f6880cf4d991b9d9e32bf3c4a42e4f849ce7abc30a5e8b006e024861c4ee2628a5958ba9a82a7e057acbd6b9b5dced2ab
SSDEEP

6144:QQ9uAGLJjAtJ5uRtO+I5rHjqOcT8cZ3JijlE2LN00moJpVMqZ76SVLY6QT4AFe0V:TG

Score

10^/10

wshrat trojan

Malware Config

Extracted

Family

wshrat

C2

http://harold.2waky.com:3609

Signatures

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

Blocklisted process makes network request 16 IoCs

flow	pid	Process
8	4644	wscript.exe
10	4644	wscript.exe
32	4644	wscript.exe
40	4644	wscript.exe
48	4644	wscript.exe
63	4644	wscript.exe
64	4644	wscript.exe
65	4644	wscript.exe
70	4644	wscript.exe
71	4644	wscript.exe
76	4644	wscript.exe
77	4644	wscript.exe
78	4644	wscript.exe
79	4644	wscript.exe
80	4644	wscript.exe
84	4644	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-1-5-21-4176143399-3250363947-192774652-1000\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\Request For Quotation.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Request For Quotation.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 15 IoCs

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

description	flow	ioc
HTTP User-Agent header	63	WSHRAT\|DAEBE96E\|MSXGLQPS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	70	WSHRAT\|DAEBE96E\|MSXGLQPS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	71	WSHRAT\|DAEBE96E\|MSXGLQPS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	76	WSHRAT\|DAEBE96E\|MSXGLQPS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	79	WSHRAT\|DAEBE96E\|MSXGLQPS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	32	WSHRAT\|DAEBE96E\|MSXGLQPS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	65	WSHRAT\|DAEBE96E\|MSXGLQPS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	77	WSHRAT\|DAEBE96E\|MSXGLQPS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	78	WSHRAT\|DAEBE96E\|MSXGLQPS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	10	WSHRAT\|DAEBE96E\|MSXGLQPS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	48	WSHRAT\|DAEBE96E\|MSXGLQPS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	80	WSHRAT\|DAEBE96E\|MSXGLQPS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	84	WSHRAT\|DAEBE96E\|MSXGLQPS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	40	WSHRAT\|DAEBE96E\|MSXGLQPS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	64	WSHRAT\|DAEBE96E\|MSXGLQPS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 4644	2548	wscript.exe	85
PID 2548 wrote to memory of 4644	2548	wscript.exe	85

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Request For Quotation.js"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Request For Quotation.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:4644

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\Request For Quotation.js

Filesize
941KB

MD5
8b3ad681d5649f4c1955096bc04bfe18

SHA1
09ef01f730ceef26760567522dfe3e87f59afc8a

SHA256
31c2e51efcbff0aa489aa6af1a48cf78f6a9febfb449a19d029f8cc8ebb4495f

SHA512
20ec006e32344b25757c5e67ff5b0a2f6880cf4d991b9d9e32bf3c4a42e4f849ce7abc30a5e8b006e024861c4ee2628a5958ba9a82a7e057acbd6b9b5dced2ab

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Request For Quotation.js

Filesize
941KB

MD5
8b3ad681d5649f4c1955096bc04bfe18

SHA1
09ef01f730ceef26760567522dfe3e87f59afc8a

SHA256
31c2e51efcbff0aa489aa6af1a48cf78f6a9febfb449a19d029f8cc8ebb4495f

SHA512
20ec006e32344b25757c5e67ff5b0a2f6880cf4d991b9d9e32bf3c4a42e4f849ce7abc30a5e8b006e024861c4ee2628a5958ba9a82a7e057acbd6b9b5dced2ab

Download Submit
C:\Users\Admin\AppData\Roaming\Request For Quotation.js

Filesize
941KB

MD5
8b3ad681d5649f4c1955096bc04bfe18

SHA1
09ef01f730ceef26760567522dfe3e87f59afc8a

SHA256
31c2e51efcbff0aa489aa6af1a48cf78f6a9febfb449a19d029f8cc8ebb4495f

SHA512
20ec006e32344b25757c5e67ff5b0a2f6880cf4d991b9d9e32bf3c4a42e4f849ce7abc30a5e8b006e024861c4ee2628a5958ba9a82a7e057acbd6b9b5dced2ab

Download Submit

Analysis

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