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 15 IoCs

flow	pid	Process
4	2352	wscript.exe
8	2352	wscript.exe
9	2352	wscript.exe
11	2352	wscript.exe
12	2352	wscript.exe
13	2352	wscript.exe
14	2352	wscript.exe
16	2352	wscript.exe
17	2352	wscript.exe
18	2352	wscript.exe
20	2352	wscript.exe
21	2352	wscript.exe
22	2352	wscript.exe
24	2352	wscript.exe
25	2352	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-1-5-21-686452656-3203474025-4140627569-1000\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-1-5-21-686452656-3203474025-4140627569-1000\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 13 IoCs

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

description	flow	ioc
HTTP User-Agent header	14	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	16	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	18	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	20	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	21	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	8	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	9	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	11	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	24	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	25	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	12	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	17	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript
HTTP User-Agent header	22	WSHRAT\|90D70FEC\|UUVOHKNL\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 13/9/2023\|JavaScript

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 2352	1424	wscript.exe	28
PID 1424 wrote to memory of 2352	1424	wscript.exe	28
PID 1424 wrote to memory of 2352	1424	wscript.exe	28

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Invoice.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1424
- 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:2352

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

System Information Discovery

1

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