privateloader | d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef

Analysis

max time kernel
148s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
26-06-2024 19:01

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General

Target

d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef.exe
Size

4.3MB
MD5

d25bee31c30313658d2e010c0fb5f66e
SHA1

003a49d195dd719b9af213fedcf9c39d8b6bf480
SHA256

d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef
SHA512

323bc94eb61a776c4a2a112d064bef17bd9874e3560040672288cd4447065dca4bc47bb346ebb13319bf999163704fc56beed345bd8c24dc487803f3a8db3dc7
SSDEEP

98304:dbFhmDz7Avv/xXkMfPikM5JofdF7r8tH9gAMhPQLv+Wu5Vm:dFAnE55fb46LSH9gAMBQTRM

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

Processes:

d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef.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.

Processes:

flow ioc

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

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

Drops file in System32 directory 4 IoCs

Processes:

d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef.exe

pid	process
4960	d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef.exe
4960	d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef.exe

C:\Users\Admin\AppData\Local\Temp\d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef.exe
"C:\Users\Admin\AppData\Local\Temp\d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef.exe"
1⤵
- Modifies firewall policy service
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:4960

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:504

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:1092

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/4960-0-0x00007FF771B45000-0x00007FF771DAB000-memory.dmp

Filesize
2.4MB

Download
memory/4960-1-0x00007FFD91D50000-0x00007FFD91D52000-memory.dmp

Filesize
8KB

Download
memory/4960-4-0x00007FF7719E0000-0x00007FF7721F4000-memory.dmp

Filesize
8.1MB

Download
memory/4960-3-0x00007FFD91D70000-0x00007FFD91D72000-memory.dmp

Filesize
8KB

Download
memory/4960-5-0x00007FFD91570000-0x00007FFD91572000-memory.dmp

Filesize
8KB

Download
memory/4960-2-0x00007FFD91D60000-0x00007FFD91D62000-memory.dmp

Filesize
8KB

Download
memory/4960-7-0x00007FFD8F6B0000-0x00007FFD8F6B2000-memory.dmp

Filesize
8KB

Download
memory/4960-6-0x00007FFD91580000-0x00007FFD91582000-memory.dmp

Filesize
8KB

Download
memory/4960-8-0x00007FFD8F6C0000-0x00007FFD8F6C2000-memory.dmp

Filesize
8KB

Download
memory/4960-20-0x00007FF771B45000-0x00007FF771DAB000-memory.dmp

Filesize
2.4MB

Download
memory/4960-21-0x00007FF7719E0000-0x00007FF7721F4000-memory.dmp

Filesize
8.1MB

Download