privateloader | aa307edb4dcc81ae531db0fee5b02d6e95dbea039eece5847b016b7b042accbc

Analysis

max time kernel
56s
max time network
62s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2023 20:05

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General

Target

Install.exe
Size

700.0MB
MD5

99a49bb07f0900e04cd5645c353c9896
SHA1

ba60fbc144e41a9dd54895b005fb8886ee71b376
SHA256

aa307edb4dcc81ae531db0fee5b02d6e95dbea039eece5847b016b7b042accbc
SHA512

4122fc8f9539ab6ca4b9f5e2a44187c56585c9494564e2fe18580552c1d31c4667322a5aee92ddcf83b65e7c552cc21ea384680d233fdebd5fa2db7987260965
SSDEEP

98304:yjuXaFzuBu6fbfG1IQ67xq/h6Jb9mc/yL/RD574wYW6gmxVKjpOZP7Gf8o:yjNFzuBu/SWYrylDRYW2xVKlSPa

Score

10^/10

privateloader loader spyware stealer vmprotect

Malware Config

Signatures

PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
loader privateloader

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
behavioral1/memory/1892-132-0x0000000000AD0000-0x000000000143C000-memory.dmp	vmprotect

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Install.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	Install.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

21 ipinfo.io
22 ipinfo.io

flow	ioc
21	ipinfo.io
22	ipinfo.io

Drops file in System32 directory 4 IoCs

Processes:

Install.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	Install.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	Install.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	Install.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	Install.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Install.exe

pid process

1892 Install.exe
1892 Install.exe

pid	process
1892	Install.exe
1892	Install.exe

C:\Users\Admin\AppData\Local\Temp\Install.exe
"C:\Users\Admin\AppData\Local\Temp\Install.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:1892

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4088

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:1180

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3620

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1892-132-0x0000000000AD0000-0x000000000143C000-memory.dmp

Filesize
9.4MB

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