privateloader | 284ae9899ae53d03d27bd3f72892d843fe5bbecb097f52fc0b1b37d1040401d0

Analysis

max time kernel
141s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-08-2024 01:10

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General

Target

284ae9899ae53d03d27bd3f72892d843fe5bbecb097f52fc0b1b37d1040401d0.exe
Size

4.3MB
MD5

a412795f68e5dae5fbae528595b96916
SHA1

e2f386ce478fbad462a873e656eea85dce550815
SHA256

284ae9899ae53d03d27bd3f72892d843fe5bbecb097f52fc0b1b37d1040401d0
SHA512

280a5f35ea216eae4c9d5dff2031af90caed46ba9cf62fc1daf46a34249e141d7f50677ab6245356cad771c0874227f7fe751fb38a43d198b6ab1163b60c9eea
SSDEEP

98304:S6CCEFu6ZDeJ66CIydoPrNtcEVTyv6VSfj4bDLTbnK+H9:lNeTZDeEvajNavXfsnLnK+H

Score

10^/10

privateloader evasion loader

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	284ae9899ae53d03d27bd3f72892d843fe5bbecb097f52fc0b1b37d1040401d0.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
33	api.myip.com
34	api.myip.com
35	ipinfo.io
36	ipinfo.io

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	284ae9899ae53d03d27bd3f72892d843fe5bbecb097f52fc0b1b37d1040401d0.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	284ae9899ae53d03d27bd3f72892d843fe5bbecb097f52fc0b1b37d1040401d0.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	284ae9899ae53d03d27bd3f72892d843fe5bbecb097f52fc0b1b37d1040401d0.exe
File opened for modification	C:\Windows\System32\GroupPolicy	284ae9899ae53d03d27bd3f72892d843fe5bbecb097f52fc0b1b37d1040401d0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2000	284ae9899ae53d03d27bd3f72892d843fe5bbecb097f52fc0b1b37d1040401d0.exe
2000	284ae9899ae53d03d27bd3f72892d843fe5bbecb097f52fc0b1b37d1040401d0.exe

C:\Users\Admin\AppData\Local\Temp\284ae9899ae53d03d27bd3f72892d843fe5bbecb097f52fc0b1b37d1040401d0.exe
"C:\Users\Admin\AppData\Local\Temp\284ae9899ae53d03d27bd3f72892d843fe5bbecb097f52fc0b1b37d1040401d0.exe"
1⤵
- Modifies firewall policy service
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2000

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:3852

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:3024

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

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\System32\GroupPolicy\gpt.ini

Filesize
127B

MD5
8ef9853d1881c5fe4d681bfb31282a01

SHA1
a05609065520e4b4e553784c566430ad9736f19f

SHA256
9228f13d82c3dc96b957769f6081e5bac53cffca4ffde0ba1e102d9968f184a2

SHA512
5ddee931a08cfea5bb9d1c36355d47155a24d617c2a11d08364ffc54e593064011dee4fea8ac5b67029cab515d3071f0ba0422bb76af492a3115272ba8feb005

Download Submit
memory/2000-3-0x00007FFC7B710000-0x00007FFC7B712000-memory.dmp

Filesize
8KB

Download
memory/2000-4-0x00007FFC79FB0000-0x00007FFC79FB2000-memory.dmp

Filesize
8KB

Download
memory/2000-0-0x00007FF6968A6000-0x00007FF696B1B000-memory.dmp

Filesize
2.5MB

Download
memory/2000-5-0x00007FF696740000-0x00007FF696F60000-memory.dmp

Filesize
8.1MB

Download
memory/2000-6-0x00007FFC79FC0000-0x00007FFC79FC2000-memory.dmp

Filesize
8KB

Download
memory/2000-8-0x00007FFC791D0000-0x00007FFC791D2000-memory.dmp

Filesize
8KB

Download
memory/2000-7-0x00007FFC791C0000-0x00007FFC791C2000-memory.dmp

Filesize
8KB

Download
memory/2000-2-0x00007FFC7B700000-0x00007FFC7B702000-memory.dmp

Filesize
8KB

Download
memory/2000-1-0x00007FFC7B6F0000-0x00007FFC7B6F2000-memory.dmp

Filesize
8KB

Download
memory/2000-20-0x00000273B72E0000-0x00000273B7363000-memory.dmp

Filesize
524KB

Download
memory/2000-22-0x00007FF6968A6000-0x00007FF696B1B000-memory.dmp

Filesize
2.5MB

Download
memory/2000-23-0x00007FF696740000-0x00007FF696F60000-memory.dmp

Filesize
8.1MB

Download