wshrat | 421eba1200bceb1ca0a67b6d0ce9b2f659b09e45efe04d7d173e7a738c4ccae5

General

Target

7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1.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 27 IoCs

flow	pid	Process
7	524	wscript.exe
9	524	wscript.exe
20	524	wscript.exe
21	524	wscript.exe
22	524	wscript.exe
26	524	wscript.exe
28	524	wscript.exe
29	524	wscript.exe
31	524	wscript.exe
40	524	wscript.exe
48	524	wscript.exe
56	524	wscript.exe
58	524	wscript.exe
60	524	wscript.exe
61	524	wscript.exe
62	524	wscript.exe
63	524	wscript.exe
70	524	wscript.exe
75	524	wscript.exe
76	524	wscript.exe
77	524	wscript.exe
78	524	wscript.exe
79	524	wscript.exe
80	524	wscript.exe
81	524	wscript.exe
82	524	wscript.exe
83	524	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 opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1.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
6	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 26 IoCs

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

description	flow	ioc
HTTP User-Agent header	40	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	82	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	20	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	31	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	48	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	56	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	62	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	76	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	78	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	80	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	22	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	81	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	21	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	26	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	28	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	29	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	60	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	63	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	70	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	9	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	75	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	61	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	77	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	79	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	83	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India
HTTP User-Agent header	58	WSHRAT\|D0F59775\|TPAVZECK\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 28/5/2023\|JavaScript-v3.4\|IN:India

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 524	2176	wscript.exe	84
PID 2176 wrote to memory of 524	2176	wscript.exe	84

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1.js
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  PID:524

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1.js

Filesize
1.1MB

MD5
2ccb346e287c2eaaf1954e289d85bb90

SHA1
589b523fdf4feadab37b5ca37f3940b9e068935a

SHA256
7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1

SHA512
7219218464cbc5b14c33a7b41208ce23608931c6d9e9bd7524f72039d0cb016e256e0f18b3d3f6140a50e058f01d21a5b275a89406b88c0b347b24d6c44efca4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1.js

Filesize
1.1MB

MD5
2ccb346e287c2eaaf1954e289d85bb90

SHA1
589b523fdf4feadab37b5ca37f3940b9e068935a

SHA256
7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1

SHA512
7219218464cbc5b14c33a7b41208ce23608931c6d9e9bd7524f72039d0cb016e256e0f18b3d3f6140a50e058f01d21a5b275a89406b88c0b347b24d6c44efca4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1.js

Filesize
1.1MB

MD5
2ccb346e287c2eaaf1954e289d85bb90

SHA1
589b523fdf4feadab37b5ca37f3940b9e068935a

SHA256
7133dc35b5ca15d27934a2ebaeb71ca36987752e34b65f87a9507ac02381a9e1

SHA512
7219218464cbc5b14c33a7b41208ce23608931c6d9e9bd7524f72039d0cb016e256e0f18b3d3f6140a50e058f01d21a5b275a89406b88c0b347b24d6c44efca4

Download Submit

Analysis

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