wshrat | 3aba14649b590ad2ae66902bcb8f5411ec579df5de9e7edb543eafe1183eeec7

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/03/2025, 19:08

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General

Target

d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb.js
Size

217KB
MD5

2852bd566a1ec01b41c53e4e738c6f4a
SHA1

f777cd9e907866bfb9e5513c94fc84f2dcd2cd3a
SHA256

d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb
SHA512

f1a75eb649375c2dd18072977e8ebd04988c705a3ecbca10e5cf5bda1e5886e26d66380467d221efbbaf3137128fda8fe62af61f728769dd47abfd79bf0f7e17
SSDEEP

6144:PpHgleX3reXhf6Z9pQDBvR4nRHFPAeRJAklgF2GuuZl:huf6ZUDJ6nlTrl029A

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

resource	yara_rule
behavioral1/files/0x000a00000001225c-2.dat	family_wshrat

Wshrat family
wshrat

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	3044	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb.js	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb.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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb.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
3	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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 3044	2284	wscript.exe	28
PID 2284 wrote to memory of 3044	2284	wscript.exe	28
PID 2284 wrote to memory of 3044	2284	wscript.exe	28

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb.js
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb.js"
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Adds Run key to start application
  PID:3044

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

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Downloads

C:\Users\Admin\AppData\Roaming\d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb.js

Filesize
217KB

MD5
2852bd566a1ec01b41c53e4e738c6f4a

SHA1
f777cd9e907866bfb9e5513c94fc84f2dcd2cd3a

SHA256
d56c3c009248c55acb99fa5d7c66ca8d6555a3559b66b69aeff99327aa9e2beb

SHA512
f1a75eb649375c2dd18072977e8ebd04988c705a3ecbca10e5cf5bda1e5886e26d66380467d221efbbaf3137128fda8fe62af61f728769dd47abfd79bf0f7e17

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads