wshrat | ae69570258cabd6bbede57ef510836d167c0d9b1752d3d742f8e4769e17eba15

General

Target

Invoice.js
Size

21KB
MD5

12b2471d3c8dd16efd69ab5aca0678b9
SHA1

15dca12d5e2d7d0281990ee43ffbcd22396fe01a
SHA256

ae69570258cabd6bbede57ef510836d167c0d9b1752d3d742f8e4769e17eba15
SHA512

7f72edfe2fa615279bfb18a6117afdac855ea6c37250b2473dad2f9ee6d701869123240f44d631020b4fb727869d00a697de5ed7c7bd59640594b57a4db787ac
SSDEEP

384:6/+tc8v+YhrKZKZXeX5U7CP9fD0eX5GrnB63vQOaSDsvkysjqFJ8TatW8TaUxTam:6/+tbv+YhdZXeXic9fD0eXknB6Y6Dsv7

Score

10^/10

wshrat persistence trojan

Malware Config

Extracted

Family

wshrat

C2

http://wishpeople.duckdns.org:9071

Signatures

WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat

Blocklisted process makes network request 10 IoCs

flow	pid	Process
19	2176	wscript.exe
72	2176	wscript.exe
77	2176	wscript.exe
78	2176	wscript.exe
79	2176	wscript.exe
80	2176	wscript.exe
81	2176	wscript.exe
82	2176	wscript.exe
85	2176	wscript.exe
87	2176	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-1-5-21-4078585466-1563564224-3678410669-1000\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\Invoice.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Invoice.js	wscript.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Invoice = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Invoice.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Invoice = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Invoice.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Invoice = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Invoice.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Invoice = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Invoice.js\""	wscript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Script User-Agent 10 IoCs

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

description	flow	ioc
HTTP User-Agent header	82	WSHRAT\|AA342AE5\|NVYNMMTR\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	85	WSHRAT\|AA342AE5\|NVYNMMTR\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	87	WSHRAT\|AA342AE5\|NVYNMMTR\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	19	WSHRAT\|AA342AE5\|NVYNMMTR\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	72	WSHRAT\|AA342AE5\|NVYNMMTR\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	79	WSHRAT\|AA342AE5\|NVYNMMTR\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	80	WSHRAT\|AA342AE5\|NVYNMMTR\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	77	WSHRAT\|AA342AE5\|NVYNMMTR\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	78	WSHRAT\|AA342AE5\|NVYNMMTR\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	81	WSHRAT\|AA342AE5\|NVYNMMTR\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 13/9/2023\|JavaScript

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3440 wrote to memory of 2176	3440	wscript.exe	86
PID 3440 wrote to memory of 2176	3440	wscript.exe	86

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Invoice.js
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Invoice.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  PID:2176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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\Invoice.js

Filesize
21KB

MD5
12b2471d3c8dd16efd69ab5aca0678b9

SHA1
15dca12d5e2d7d0281990ee43ffbcd22396fe01a

SHA256
ae69570258cabd6bbede57ef510836d167c0d9b1752d3d742f8e4769e17eba15

SHA512
7f72edfe2fa615279bfb18a6117afdac855ea6c37250b2473dad2f9ee6d701869123240f44d631020b4fb727869d00a697de5ed7c7bd59640594b57a4db787ac

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

Filesize
21KB

MD5
12b2471d3c8dd16efd69ab5aca0678b9

SHA1
15dca12d5e2d7d0281990ee43ffbcd22396fe01a

SHA256
ae69570258cabd6bbede57ef510836d167c0d9b1752d3d742f8e4769e17eba15

SHA512
7f72edfe2fa615279bfb18a6117afdac855ea6c37250b2473dad2f9ee6d701869123240f44d631020b4fb727869d00a697de5ed7c7bd59640594b57a4db787ac

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

Filesize
21KB

MD5
12b2471d3c8dd16efd69ab5aca0678b9

SHA1
15dca12d5e2d7d0281990ee43ffbcd22396fe01a

SHA256
ae69570258cabd6bbede57ef510836d167c0d9b1752d3d742f8e4769e17eba15

SHA512
7f72edfe2fa615279bfb18a6117afdac855ea6c37250b2473dad2f9ee6d701869123240f44d631020b4fb727869d00a697de5ed7c7bd59640594b57a4db787ac

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads