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
4	2920	wscript.exe
6	2920	wscript.exe
8	2920	wscript.exe
9	2920	wscript.exe
11	2920	wscript.exe
12	2920	wscript.exe
13	2920	wscript.exe
15	2920	wscript.exe
16	2920	wscript.exe
17	2920	wscript.exe
19	2920	wscript.exe
20	2920	wscript.exe
21	2920	wscript.exe
23	2920	wscript.exe
24	2920	wscript.exe
25	2920	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	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	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	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	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	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	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	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	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	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	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	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	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	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 1456 wrote to memory of 2920	1456	wscript.exe	29
PID 1456 wrote to memory of 2920	1456	wscript.exe	29
PID 1456 wrote to memory of 2920	1456	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:1456
- 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:2920

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

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Downloads

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

Filesize
832KB

MD5
b880b7274834601612744d3e8947d54d

SHA1
5fb0cbad2eabce0d0ccf4af55579f4517eeee0ff

SHA256
95c5386acc6677b8e27eb3d8f84cf0c2bf0584b7fb8388771750b12b3d6c22c6

SHA512
6ecbe2ca350e627eb0ad9e2fec0353ab6f1ec9eaf8e700ac14c122cccca0e7c0aba56858f9a394833ddda84f2e715e0272653965fa0250aba4c92907f9a6363c

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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