privateloader | 649086bc2f8eee8436b1a494927902c9914b6550552b06b65f5085ed73df04a8

Analysis

max time kernel
140s
max time network
112s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
02/05/2024, 12:22

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General

Target

649086bc2f8eee8436b1a494927902c9914b6550552b06b65f5085ed73df04a8.exe
Size

3.3MB
MD5

c75744b48db5281244347af175f66e59
SHA1

474107c8df12572e6d83661fad2bc493057f7c00
SHA256

649086bc2f8eee8436b1a494927902c9914b6550552b06b65f5085ed73df04a8
SHA512

42a9d186a069950b22d99aba440b13400495f14ea9df0fdca509c0e38b5f498d5976a026e59123d25450a2f88cc6cc6d1ab71ba191dab401b018f315b018672b
SSDEEP

49152:DZmfVAGdVP/EEtcCisHTPtNiCkq/9A8SryB1WVaZnEz9FEiZ4oYbYbkX3Y9OrMSO:DZAVnrnr5TPtrSrWZ4M7bYcrY38D

Score

10^/10

privateloader evasion loader

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	649086bc2f8eee8436b1a494927902c9914b6550552b06b65f5085ed73df04a8.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.

flow	ioc
6	ipinfo.io
4	api.myip.com
4	ipinfo.io
5	api.myip.com

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	649086bc2f8eee8436b1a494927902c9914b6550552b06b65f5085ed73df04a8.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	649086bc2f8eee8436b1a494927902c9914b6550552b06b65f5085ed73df04a8.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	649086bc2f8eee8436b1a494927902c9914b6550552b06b65f5085ed73df04a8.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	649086bc2f8eee8436b1a494927902c9914b6550552b06b65f5085ed73df04a8.exe

C:\Users\Admin\AppData\Local\Temp\649086bc2f8eee8436b1a494927902c9914b6550552b06b65f5085ed73df04a8.exe
"C:\Users\Admin\AppData\Local\Temp\649086bc2f8eee8436b1a494927902c9914b6550552b06b65f5085ed73df04a8.exe"
1⤵
- Modifies firewall policy service
- Drops file in System32 directory
PID:2056

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:580

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2056-1-0x00000001404EE000-0x00000001404EF000-memory.dmp

Filesize
4KB

Download
memory/2056-0-0x0000000140000000-0x000000014050F000-memory.dmp

Filesize
5.1MB

Download
memory/2056-9-0x0000000140000000-0x000000014050F000-memory.dmp

Filesize
5.1MB

Download
memory/2056-11-0x00000001404EE000-0x00000001404EF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads