wshrat | 712b6c5a744401fc648b910cca5d3f4529722d8eb85cb9f16b19b0495ff058bc

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
4	2828	wscript.exe
6	2828	wscript.exe
8	2828	wscript.exe
9	2828	wscript.exe
11	2828	wscript.exe
12	2828	wscript.exe
13	2828	wscript.exe
15	2828	wscript.exe
16	2828	wscript.exe
17	2828	wscript.exe
19	2828	wscript.exe
20	2828	wscript.exe
21	2828	wscript.exe
23	2828	wscript.exe
24	2828	wscript.exe
25	2828	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
3	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	24	WSHRAT\|701717DD\|WGWIREOE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	12	WSHRAT\|701717DD\|WGWIREOE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	21	WSHRAT\|701717DD\|WGWIREOE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	11	WSHRAT\|701717DD\|WGWIREOE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	15	WSHRAT\|701717DD\|WGWIREOE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	17	WSHRAT\|701717DD\|WGWIREOE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	19	WSHRAT\|701717DD\|WGWIREOE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	25	WSHRAT\|701717DD\|WGWIREOE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	6	WSHRAT\|701717DD\|WGWIREOE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	9	WSHRAT\|701717DD\|WGWIREOE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	8	WSHRAT\|701717DD\|WGWIREOE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	20	WSHRAT\|701717DD\|WGWIREOE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	23	WSHRAT\|701717DD\|WGWIREOE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	13	WSHRAT\|701717DD\|WGWIREOE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands
HTTP User-Agent header	16	WSHRAT\|701717DD\|WGWIREOE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 14/7/2023\|JavaScript-v3.4\|NL:Netherlands

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2828	2896	wscript.exe	29
PID 2896 wrote to memory of 2828	2896	wscript.exe	29
PID 2896 wrote to memory of 2828	2896	wscript.exe	29

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Request For Quotation.js"
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2896
- 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:2828

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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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