privateloader | 589d93deb639f967f96dbf6cbe48b1b434930ad3ac24a17d8e89ff058e4ec272 | Triage

Analysis

max time kernel
151s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25-07-2024 03:05

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General

Target

setup.exe
Size

762.0MB
MD5

9326c686071c528549c80eea2638082e
SHA1

3c31e38d81289de167d9f37fbc6697b5c9cf71bd
SHA256

59ca077c90d1d26bb9e79b44c74a0ecf04bd02a92a90146efe87c170e11ca3d2
SHA512

9af45bc59bbd42d738cbf9547d8d6121a61bd97a6b9a3a2f2fc39caf721a6a64ce7ab991e482bd13a39ac3ddf62cfc1f95613c7d805370d2cda0199f4bccc114
SSDEEP

49152:NpfTCy0d0R7ruhVrPwHStdgjGf+WAud5iqBRSLmIe59123L7W:eyN7ruHaLGf+Wzd5TSLm/23m

Score

10^/10

privateloader evasion loader

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 1 IoCs

Modify Registry

Windows Service

Disable or Modify System Firewall

Processes:

setup.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	setup.exe

PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
loader privateloader
Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

36 api.myip.com
37 api.myip.com
38 ipinfo.io
39 ipinfo.io

Drops file in System32 directory 4 IoCs

Processes:

setup.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	setup.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	setup.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	setup.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	setup.exe

C:\Users\Admin\AppData\Local\Temp\setup.exe
"C:\Users\Admin\AppData\Local\Temp\setup.exe"
1⤵
- Modifies firewall policy service
- Drops file in System32 directory
PID:1728

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:2500

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:1992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

Windows Service

Privilege Escalation

Create or Modify System Process

Windows Service

Defense Evasion

Impair Defenses

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1728-0-0x00007FF784430000-0x00007FF784848000-memory.dmp

Filesize
4.1MB

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