wshrat | 8f7d98aa6507d36a55f21687746b93034dd00c2e5a0c8af19dc3815b324fa194

Analysis

max time kernel
143s
max time network
149s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
01-06-2023 14:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Request For Quotation.js
Size

1.0MB
MD5

487375104a5fa7cb031f6da568ca65ec
SHA1

139429d45ba1f46d0bfe2d482b7f759239fa2b4a
SHA256

8f7d98aa6507d36a55f21687746b93034dd00c2e5a0c8af19dc3815b324fa194
SHA512

6cf4eb5a444f276ff9facce736a03226c8cd5e3245d969cf28af7130515f6b859afe178ceeedec9ff8f404ca14e1611ec64223aa5f72668f5bf1403c6b010264
SSDEEP

3072:QQ+8zkVUxDEuM3dQ45rhFGkBt6EURY3hPvx:QQ+8zkVUxDEuM3dFh

Score

10^/10

wshrat trojan

Malware Config

Extracted

Family

wshrat

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 12 IoCs

flow	pid	Process
4	1628	wscript.exe
6	1628	wscript.exe
7	1628	wscript.exe
8	1628	wscript.exe
10	1628	wscript.exe
12	1628	wscript.exe
13	1628	wscript.exe
14	1628	wscript.exe
16	1628	wscript.exe
17	1628	wscript.exe
20	1628	wscript.exe
21	1628	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\Request For Quotation.js	wscript.exe
File created	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 9 IoCs

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

description	flow	ioc
HTTP User-Agent header	16	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	6	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	7	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	8	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	10	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	12	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	14	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	20	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	21	WSHRAT\|F4C6D0E0\|WFSTZEPN\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 1/6/2023\|JavaScript-v3.4\|IN:India

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 1628	1476	wscript.exe	29
PID 1476 wrote to memory of 1628	1476	wscript.exe	29
PID 1476 wrote to memory of 1628	1476	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:1476
- 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:1628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.0MB

MD5
487375104a5fa7cb031f6da568ca65ec

SHA1
139429d45ba1f46d0bfe2d482b7f759239fa2b4a

SHA256
8f7d98aa6507d36a55f21687746b93034dd00c2e5a0c8af19dc3815b324fa194

SHA512
6cf4eb5a444f276ff9facce736a03226c8cd5e3245d969cf28af7130515f6b859afe178ceeedec9ff8f404ca14e1611ec64223aa5f72668f5bf1403c6b010264

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

Filesize
1.0MB

MD5
487375104a5fa7cb031f6da568ca65ec

SHA1
139429d45ba1f46d0bfe2d482b7f759239fa2b4a

SHA256
8f7d98aa6507d36a55f21687746b93034dd00c2e5a0c8af19dc3815b324fa194

SHA512
6cf4eb5a444f276ff9facce736a03226c8cd5e3245d969cf28af7130515f6b859afe178ceeedec9ff8f404ca14e1611ec64223aa5f72668f5bf1403c6b010264

Download Submit