wshrat | c439374dede22f38738d6c955764542c1528956c4d4b773a4dec12a4f34dba44

General

Target

3ae5d683f6ac3b8e94046b04c87927de_JaffaCakes118.js
Size

74KB
MD5

3ae5d683f6ac3b8e94046b04c87927de
SHA1

ace802d67421aabcf9ba3ba21632468f0265a2e2
SHA256

c439374dede22f38738d6c955764542c1528956c4d4b773a4dec12a4f34dba44
SHA512

ad3ba4ef0d4940b397d759edda1c45cffdeb1d684e04c787ba0be34dfd38e23ce375e4256237b33ec485f7f9b909277b3f6fd9e93d450087a31251abb164f7e3
SSDEEP

1536:dScQPMz4GlHNvQYviFSD17fdN85bxYYhVfGAGnNUHORWR:ccQPM8GdNv6ERYLN7SNEKWR

Score

10^/10

wshrat execution persistence trojan

Malware Config

Extracted

Family

wshrat

C2

http://freehost222.ddns.net:1555

Signatures

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

Blocklisted process makes network request 7 IoCs

flow	pid	Process
2	1500	wscript.exe
4	1500	wscript.exe
20	1500	wscript.exe
34	1500	wscript.exe
39	1500	wscript.exe
45	1500	wscript.exe
46	1500	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-1-5-21-1337824034-2731376981-3755436523-1000\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\3ae5d683f6ac3b8e94046b04c87927de_JaffaCakes118.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3ae5d683f6ac3b8e94046b04c87927de_JaffaCakes118.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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3ae5d683f6ac3b8e94046b04c87927de_JaffaCakes118 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\3ae5d683f6ac3b8e94046b04c87927de_JaffaCakes118.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3ae5d683f6ac3b8e94046b04c87927de_JaffaCakes118 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\3ae5d683f6ac3b8e94046b04c87927de_JaffaCakes118.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3ae5d683f6ac3b8e94046b04c87927de_JaffaCakes118 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\3ae5d683f6ac3b8e94046b04c87927de_JaffaCakes118.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3ae5d683f6ac3b8e94046b04c87927de_JaffaCakes118 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\3ae5d683f6ac3b8e94046b04c87927de_JaffaCakes118.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
1	ip-api.com

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Script User-Agent 6 IoCs

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

description	flow	ioc
HTTP User-Agent header	45	WSHRAT\|1426F231\|BVRKIPTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/5/2024\|JavaScript-v2.0\|GB:United Kingdom
HTTP User-Agent header	46	WSHRAT\|1426F231\|BVRKIPTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/5/2024\|JavaScript-v2.0\|GB:United Kingdom
HTTP User-Agent header	4	WSHRAT\|1426F231\|BVRKIPTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/5/2024\|JavaScript-v2.0\|GB:United Kingdom
HTTP User-Agent header	20	WSHRAT\|1426F231\|BVRKIPTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/5/2024\|JavaScript-v2.0\|GB:United Kingdom
HTTP User-Agent header	34	WSHRAT\|1426F231\|BVRKIPTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/5/2024\|JavaScript-v2.0\|GB:United Kingdom
HTTP User-Agent header	39	WSHRAT\|1426F231\|BVRKIPTS\|Admin\|Microsoft Windows 10 Pro\|plus\|nan-av\|false - 12/5/2024\|JavaScript-v2.0\|GB:United Kingdom

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 1500	2184	wscript.exe	82
PID 2184 wrote to memory of 1500	2184	wscript.exe	82

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\3ae5d683f6ac3b8e94046b04c87927de_JaffaCakes118.js
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\3ae5d683f6ac3b8e94046b04c87927de_JaffaCakes118.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  PID:1500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

JavaScript

1

T1059.007

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\3ae5d683f6ac3b8e94046b04c87927de_JaffaCakes118.js

Filesize
74KB

MD5
3ae5d683f6ac3b8e94046b04c87927de

SHA1
ace802d67421aabcf9ba3ba21632468f0265a2e2

SHA256
c439374dede22f38738d6c955764542c1528956c4d4b773a4dec12a4f34dba44

SHA512
ad3ba4ef0d4940b397d759edda1c45cffdeb1d684e04c787ba0be34dfd38e23ce375e4256237b33ec485f7f9b909277b3f6fd9e93d450087a31251abb164f7e3

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads