wshrat | 167c73656e26e69d418a9cbc4a811cdbacbf130bcc06ae3e6e4a4794ae94bad2

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23-08-2024 20:55

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General

Target

bd1ec2725a7b48c24689625bcb7ba668_JaffaCakes118.js
Size

184KB
MD5

bd1ec2725a7b48c24689625bcb7ba668
SHA1

6e9b8d84bf5fcc6d96109df02934e35f410fc5cd
SHA256

167c73656e26e69d418a9cbc4a811cdbacbf130bcc06ae3e6e4a4794ae94bad2
SHA512

b6f969d4f1edbfc714ecf3e0bbe3677de2a43e52df6dde3766226e8ce3d84db67d3bbeed39f2ae7490de05738201682aa3975ff13abe986529a434a0fa2dfc71
SSDEEP

3072:Np8xbeXigeXrd1LHLLdV60Q0bampZevEzRbURCBeGK/6bbIpklgVDSxGfmuZmUu:Np8xbeXigeXrd1LH3dV6zMovRCBeGKWd

Score

10^/10

wshrat execution persistence trojan

Malware Config

Signatures

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

WSHRAT payload 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bd1ec2725a7b48c24689625bcb7ba668_JaffaCakes118.js	family_wshrat

Blocklisted process makes network request 1 IoCs

Processes:

wscript.exe

flow pid process

5 2564 wscript.exe

flow	pid	process
5	2564	wscript.exe

Drops startup file 2 IoCs

Processes:

wscript.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bd1ec2725a7b48c24689625bcb7ba668_JaffaCakes118.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bd1ec2725a7b48c24689625bcb7ba668_JaffaCakes118.js	wscript.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\bd1ec2725a7b48c24689625bcb7ba668_JaffaCakes118 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\bd1ec2725a7b48c24689625bcb7ba668_JaffaCakes118.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bd1ec2725a7b48c24689625bcb7ba668_JaffaCakes118 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Local\\Temp\\bd1ec2725a7b48c24689625bcb7ba668_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.

Processes:

flow ioc

4 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

flow	ioc
4	ip-api.com

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\bd1ec2725a7b48c24689625bcb7ba668_JaffaCakes118.js
1⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\bd1ec2725a7b48c24689625bcb7ba668_JaffaCakes118.js

Filesize
184KB

MD5
bd1ec2725a7b48c24689625bcb7ba668

SHA1
6e9b8d84bf5fcc6d96109df02934e35f410fc5cd

SHA256
167c73656e26e69d418a9cbc4a811cdbacbf130bcc06ae3e6e4a4794ae94bad2

SHA512
b6f969d4f1edbfc714ecf3e0bbe3677de2a43e52df6dde3766226e8ce3d84db67d3bbeed39f2ae7490de05738201682aa3975ff13abe986529a434a0fa2dfc71

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