privateloader | 320c1e989f4abc710021c34d0544588c487aa4d210a04942cebcbe1db0f777c1

Analysis

max time kernel
121s
max time network
125s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
05-06-2024 19:10

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General

Target

320c1e989f4abc710021c34d0544588c487aa4d210a04942cebcbe1db0f777c1.exe
Size

2.7MB
MD5

af95d9855fa395906b155f0ed0323db5
SHA1

b76c74c5deb946319827246e58c912dc26e052db
SHA256

320c1e989f4abc710021c34d0544588c487aa4d210a04942cebcbe1db0f777c1
SHA512

40a768ad4d71e97fc78e716b2a6c9e02078081a42adbcc6d3ce8b555dae8a1260e309a11b6c1bd1ccdf39ab1cf72a6f091af1f610b1c3486320a9a025414a18a
SSDEEP

49152:BCjU5jmNeRFdpJsMArAinehUabcwpHXZsb0B9Xrhz4DyBQFkL47hgM5vBv1PkiVE:HjmNKDpSM8QbHZVlBQSM5JdMiDQ1N

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"	320c1e989f4abc710021c34d0544588c487aa4d210a04942cebcbe1db0f777c1.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
4	api.myip.com
5	api.myip.com
6	ipinfo.io
7	ipinfo.io

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	320c1e989f4abc710021c34d0544588c487aa4d210a04942cebcbe1db0f777c1.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	320c1e989f4abc710021c34d0544588c487aa4d210a04942cebcbe1db0f777c1.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	320c1e989f4abc710021c34d0544588c487aa4d210a04942cebcbe1db0f777c1.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	320c1e989f4abc710021c34d0544588c487aa4d210a04942cebcbe1db0f777c1.exe

C:\Users\Admin\AppData\Local\Temp\320c1e989f4abc710021c34d0544588c487aa4d210a04942cebcbe1db0f777c1.exe
"C:\Users\Admin\AppData\Local\Temp\320c1e989f4abc710021c34d0544588c487aa4d210a04942cebcbe1db0f777c1.exe"
1⤵
- Modifies firewall policy service
- Drops file in System32 directory
PID:4648

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:416

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4656

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/4648-0-0x00007FF6A6F80000-0x00007FF6A75B2000-memory.dmp

Filesize
6.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads