privateloader | 087968d5bbf7708840237e83263c398912ea3916d12b19e36f510a53acfcf1d9

Analysis

max time kernel
121s
max time network
112s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
03/06/2024, 16:45

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General

Target
087968d5bbf7708840237e83263c398912ea3916d12b19e36f510a53acfcf1d9.exe
Size 3.6MB
Sample240603-t9lbdadh77
SHA256 087968d5bbf7708840237e83263c398912ea3916d12b19e36f510a53acfcf1d9
MD5 4ffcc5239d44ce67cdca5bb8860dc294
SHA1 9d138b625009d9a6507aa18643283983c17b34e5
SHA512 3d9d67f253c3a4ba88a2e1f0d5782799ba1fe903a2d441fdc33d523a45cb89759ec75fe088b894eddc8cd8f3298eb45eadbbad45e791e09ed973ab094a0d4bf4
SSDEEP 98304:S1ABSz/KZDcTUZSGl3BdxAvNZSBHWkMIh2:S1ABSDKZD2UzPxINYpM
MD5 SHA1 SHA512 SSDEEP

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"	087968d5bbf7708840237e83263c398912ea3916d12b19e36f510a53acfcf1d9.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
4	ipinfo.io
5	api.myip.com
6	ipinfo.io

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	087968d5bbf7708840237e83263c398912ea3916d12b19e36f510a53acfcf1d9.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	087968d5bbf7708840237e83263c398912ea3916d12b19e36f510a53acfcf1d9.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	087968d5bbf7708840237e83263c398912ea3916d12b19e36f510a53acfcf1d9.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	087968d5bbf7708840237e83263c398912ea3916d12b19e36f510a53acfcf1d9.exe

C:\Users\Admin\AppData\Local\Temp\087968d5bbf7708840237e83263c398912ea3916d12b19e36f510a53acfcf1d9.exe
"C:\Users\Admin\AppData\Local\Temp\087968d5bbf7708840237e83263c398912ea3916d12b19e36f510a53acfcf1d9.exe"
1⤵
- Modifies firewall policy service
- Drops file in System32 directory
PID:5088

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:1616

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:1876

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

gpt.ini

Path C:\Windows\System32\GroupPolicy\gpt.ini
Size 127B
SHA256 9228f13d82c3dc96b957769f6081e5bac53cffca4ffde0ba1e102d9968f184a2
MD5 8ef9853d1881c5fe4d681bfb31282a01
SHA1 a05609065520e4b4e553784c566430ad9736f19f
SHA512 5ddee931a08cfea5bb9d1c36355d47155a24d617c2a11d08364ffc54e593064011dee4fea8ac5b67029cab515d3071f0ba0422bb76af492a3115272ba8feb005
MD5 SHA1 SHA512

Submit Download

memory/5088-0-0x00007FF6A0DB0000-0x00007FF6A1611000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads