wshrat | 6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a

General

Target

Request For Quotation.js
Size

899KB
MD5

7fc3ab727001bb3f552bee872b7c90a7
SHA1

f0fa0bdb338ecb45308bc83718559265077b9a86
SHA256

6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a
SHA512

13711dca473fc99c572273189531d45d037858c7fb2406c5457e9244aec2c15bd3cf20c6307fe10606a2b1ce3af911d06390f71c93f44f554fdf19f4c82ec24a
SSDEEP

6144:QQ5r1A7G9u13eV4pO5SolqKCvOZYuHYKq/ofQZvN0+QPJkh3dqYB2r8YOdchB1VF:TJ

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 26 IoCs

flow	pid	Process
11	5020	wscript.exe
13	5020	wscript.exe
27	5020	wscript.exe
28	5020	wscript.exe
37	5020	wscript.exe
39	5020	wscript.exe
41	5020	wscript.exe
43	5020	wscript.exe
44	5020	wscript.exe
54	5020	wscript.exe
59	5020	wscript.exe
60	5020	wscript.exe
61	5020	wscript.exe
72	5020	wscript.exe
73	5020	wscript.exe
74	5020	wscript.exe
75	5020	wscript.exe
76	5020	wscript.exe
77	5020	wscript.exe
78	5020	wscript.exe
79	5020	wscript.exe
80	5020	wscript.exe
81	5020	wscript.exe
82	5020	wscript.exe
83	5020	wscript.exe
84	5020	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-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	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
10	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 25 IoCs

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

description	flow	ioc
HTTP User-Agent header	39	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	44	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	61	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	73	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	75	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	76	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	13	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	27	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	72	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	74	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	78	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	80	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	37	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	54	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	81	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	79	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	82	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	28	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	41	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	43	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	59	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	60	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	77	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	83	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	84	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 25/5/2023\|JavaScript-v3.4\|IN:India

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 5020	1008	wscript.exe	84
PID 1008 wrote to memory of 5020	1008	wscript.exe	84

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Request For Quotation.js"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:1008
- 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:5020

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\Request For Quotation.js

Filesize
899KB

MD5
7fc3ab727001bb3f552bee872b7c90a7

SHA1
f0fa0bdb338ecb45308bc83718559265077b9a86

SHA256
6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a

SHA512
13711dca473fc99c572273189531d45d037858c7fb2406c5457e9244aec2c15bd3cf20c6307fe10606a2b1ce3af911d06390f71c93f44f554fdf19f4c82ec24a

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

Filesize
899KB

MD5
7fc3ab727001bb3f552bee872b7c90a7

SHA1
f0fa0bdb338ecb45308bc83718559265077b9a86

SHA256
6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a

SHA512
13711dca473fc99c572273189531d45d037858c7fb2406c5457e9244aec2c15bd3cf20c6307fe10606a2b1ce3af911d06390f71c93f44f554fdf19f4c82ec24a

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

Filesize
899KB

MD5
7fc3ab727001bb3f552bee872b7c90a7

SHA1
f0fa0bdb338ecb45308bc83718559265077b9a86

SHA256
6ce2e7208cceb1b481306e5ccd7e8a8622567926cb3e8cdf442a4e2b94d8d97a

SHA512
13711dca473fc99c572273189531d45d037858c7fb2406c5457e9244aec2c15bd3cf20c6307fe10606a2b1ce3af911d06390f71c93f44f554fdf19f4c82ec24a

Download Submit

Analysis

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