wshrat | 15e847369c9a89eadb626ec7b3f058b17fce169dad5d0ad44edab3d7ec04f745

General

Target

Quotation_Request.js
Size

985KB
MD5

4aaba804e86dad56392b2a3dda056001
SHA1

d544b097a373d1357570a4385b7912457367da3c
SHA256

15e847369c9a89eadb626ec7b3f058b17fce169dad5d0ad44edab3d7ec04f745
SHA512

7423d168f25f948310295e27b9a950b8666c6cd44a6a7d0f5768cdf69aec53cb7d068aaf6c3caa0674aed94bbb66aeef8f53dc04107a601cfbabf76641ad412b
SSDEEP

6144:QQb9JgDg3ynDDKFCxCDwYjgegH0LGsJ2W1G32bi3/v0AbiBB8pt1vGWtkbIcJOyq:T7tm

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 19 IoCs

flow	pid	Process
9	4484	wscript.exe
11	4484	wscript.exe
22	4484	wscript.exe
33	4484	wscript.exe
36	4484	wscript.exe
38	4484	wscript.exe
40	4484	wscript.exe
41	4484	wscript.exe
46	4484	wscript.exe
48	4484	wscript.exe
54	4484	wscript.exe
55	4484	wscript.exe
57	4484	wscript.exe
58	4484	wscript.exe
59	4484	wscript.exe
61	4484	wscript.exe
62	4484	wscript.exe
64	4484	wscript.exe
65	4484	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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	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
8	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 18 IoCs

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

description	flow	ioc
HTTP User-Agent header	33	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	36	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	57	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	58	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	61	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	11	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	41	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	46	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	62	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	38	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	54	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	59	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	64	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	65	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	22	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	40	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	48	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	55	WSHRAT\|A0674C6B\|UXINIZSV\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 30/5/2023\|JavaScript-v3.4\|IN:India

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 4484	4264	wscript.exe	85
PID 4264 wrote to memory of 4484	4264	wscript.exe	85

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Quotation_Request.js
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:4264
- 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:4484

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\Quotation_Request.js

Filesize
985KB

MD5
4aaba804e86dad56392b2a3dda056001

SHA1
d544b097a373d1357570a4385b7912457367da3c

SHA256
15e847369c9a89eadb626ec7b3f058b17fce169dad5d0ad44edab3d7ec04f745

SHA512
7423d168f25f948310295e27b9a950b8666c6cd44a6a7d0f5768cdf69aec53cb7d068aaf6c3caa0674aed94bbb66aeef8f53dc04107a601cfbabf76641ad412b

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

Filesize
985KB

MD5
4aaba804e86dad56392b2a3dda056001

SHA1
d544b097a373d1357570a4385b7912457367da3c

SHA256
15e847369c9a89eadb626ec7b3f058b17fce169dad5d0ad44edab3d7ec04f745

SHA512
7423d168f25f948310295e27b9a950b8666c6cd44a6a7d0f5768cdf69aec53cb7d068aaf6c3caa0674aed94bbb66aeef8f53dc04107a601cfbabf76641ad412b

Download Submit

Analysis

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