9235d2676794ff9cc054258ec08e894647ed0112a94f078c9b901d8f1aa049ce

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 12:02

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General

Target

Files/Apps/pswin7.bat
Size

840B
MD5

3768f6911878047cf06c7fdf0b5e08b7
SHA1

39f52e4858f12c42a54fde38f7ba6386148bf081
SHA256

fcb69e2e4d36737a17381f1a522962a77471f0cb1bb196a3aeac5d967eb81dfc
SHA512

2e19e1e4c8f85f254c2f56e6272c24a1479a7c6b68c0df82ce33da4d5a028a8fb9cec0b10231529f16b077bfa607a760ea86844db8c94fe0471905db953112aa

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://go.microsoft.com/fwlink/?linkid=839516

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2308	powershell.exe
6	2308	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2308	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2308	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2308	2172	cmd.exe	31
PID 2172 wrote to memory of 2308	2172	cmd.exe	31
PID 2172 wrote to memory of 2308	2172	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Files\Apps\pswin7.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -command "(New-Object System.Net.WebClient).DownloadFile('https://go.microsoft.com/fwlink/?linkid=839516', 'C:\Users\Admin\AppData\Local\Temp\PowerShellInstall\WMF5.1.msu')"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2308

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/2308-4-0x000007FEF62FE000-0x000007FEF62FF000-memory.dmp

Filesize
4KB

Download
memory/2308-5-0x000000001B6D0000-0x000000001B9B2000-memory.dmp

Filesize
2.9MB

Download
memory/2308-6-0x0000000001DE0000-0x0000000001DE8000-memory.dmp

Filesize
32KB

Download
memory/2308-7-0x000007FEF6040000-0x000007FEF69DD000-memory.dmp

Filesize
9.6MB

Download
memory/2308-8-0x000007FEF6040000-0x000007FEF69DD000-memory.dmp

Filesize
9.6MB

Download
memory/2308-9-0x000007FEF6040000-0x000007FEF69DD000-memory.dmp

Filesize
9.6MB

Download