wshrat | 7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1

General

Target

Quotation_Request.js
Size

1.1MB
MD5

2ccb346e287c2eaaf1954e289d85bb90
SHA1

589b523fdf4feadab37b5ca37f3940b9e068935a
SHA256

7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1
SHA512

7219218464cbc5b14c33a7b41208ce23608931c6d9e9bd7524f72039d0cb016e256e0f18b3d3f6140a50e058f01d21a5b275a89406b88c0b347b24d6c44efca4
SSDEEP

6144:QQ87FYrGNaJRpypQNKpSoZWaOHWFgqvUe/i7EnI1jtImrA/dgtrltwgV2X4EJIgq:T61wzl

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 21 IoCs

flow	pid	Process
4	1712	wscript.exe
6	1712	wscript.exe
7	1712	wscript.exe
8	1712	wscript.exe
11	1712	wscript.exe
12	1712	wscript.exe
13	1712	wscript.exe
15	1712	wscript.exe
16	1712	wscript.exe
17	1712	wscript.exe
19	1712	wscript.exe
20	1712	wscript.exe
21	1712	wscript.exe
23	1712	wscript.exe
24	1712	wscript.exe
25	1712	wscript.exe
27	1712	wscript.exe
28	1712	wscript.exe
29	1712	wscript.exe
31	1712	wscript.exe
32	1712	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Quotation_Request.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Quotation_Request.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 20 IoCs

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

description	flow	ioc
HTTP User-Agent header	29	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	17	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	20	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	27	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	16	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	28	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	31	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	6	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	8	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	15	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	32	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	11	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	21	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	24	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	19	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	23	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	25	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	7	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	12	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	13	WSHRAT\|C0585B3B\|MLXLFKOI\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 26/5/2023\|JavaScript-v3.4\|IN:India

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 1712	1472	wscript.exe	29
PID 1472 wrote to memory of 1712	1472	wscript.exe	29
PID 1472 wrote to memory of 1712	1472	wscript.exe	29

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Quotation_Request.js
1⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Quotation_Request.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:1712

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\Quotation_Request.js

Filesize
384KB

MD5
38c81b50c9f8761aea4a94a93fe8373b

SHA1
3a1493e7cfff392327010f1451a06e5a5ec86f99

SHA256
dd23c56607055712d319622bcb1311f3e5c11f4f0e1975750c6dd56f2d89e1c8

SHA512
6e6466676909351ad8f3a7fda6a4f53c24d1ffcbbb6cc979dd09de866f9f9f8228b4a90713c926b5804b776cb2b11ced699ecc538b7d8e70537960069625e1c1

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

Filesize
1.1MB

MD5
2ccb346e287c2eaaf1954e289d85bb90

SHA1
589b523fdf4feadab37b5ca37f3940b9e068935a

SHA256
7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1

SHA512
7219218464cbc5b14c33a7b41208ce23608931c6d9e9bd7524f72039d0cb016e256e0f18b3d3f6140a50e058f01d21a5b275a89406b88c0b347b24d6c44efca4

Download Submit
C:\Users\Admin\AppData\Roaming\Quotation_Request.js

Filesize
1.1MB

MD5
2ccb346e287c2eaaf1954e289d85bb90

SHA1
589b523fdf4feadab37b5ca37f3940b9e068935a

SHA256
7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1

SHA512
7219218464cbc5b14c33a7b41208ce23608931c6d9e9bd7524f72039d0cb016e256e0f18b3d3f6140a50e058f01d21a5b275a89406b88c0b347b24d6c44efca4

Download Submit

Analysis

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