privateloader | c219e89097ad897e382b936cf7bbc5f0a04a961205e94fcf8873cf0e0c2f8e7d

Analysis

max time kernel
120s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
30-07-2024 11:10

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General

Target

077f95f508fdd4b8f12583d372421064537eba939ae78a398b3e0c08cb007bba.exe
Size

2.7MB
MD5

9ddeb8c050673f848d6d4b40e5e47b89
SHA1

62e0628a16cdd10876dde85157626bee2da16483
SHA256

077f95f508fdd4b8f12583d372421064537eba939ae78a398b3e0c08cb007bba
SHA512

5a8988669ac42171415dd9fc5ba4b78d703ec8aa840d30f48cea5d5e6e318b42d7f63424a0dec0555f46474ff0c9aaf7bef66c04cdd421bcbc241e2add006f70
SSDEEP

49152:yhi9R+1m34pfTCy0d0RQVBN+EVLQ5bRorH+8tCAJO0zZ5xMJd6Gpracz5zL9ohO2:Qi9R+0yNsB4GLQgdoAttr5GpraA5toEk

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:

077f95f508fdd4b8f12583d372421064537eba939ae78a398b3e0c08cb007bba.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	077f95f508fdd4b8f12583d372421064537eba939ae78a398b3e0c08cb007bba.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
34	api.myip.com
35	api.myip.com
36	ipinfo.io
37	ipinfo.io

Drops file in System32 directory 4 IoCs

Processes:

077f95f508fdd4b8f12583d372421064537eba939ae78a398b3e0c08cb007bba.exe

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	077f95f508fdd4b8f12583d372421064537eba939ae78a398b3e0c08cb007bba.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	077f95f508fdd4b8f12583d372421064537eba939ae78a398b3e0c08cb007bba.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	077f95f508fdd4b8f12583d372421064537eba939ae78a398b3e0c08cb007bba.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	077f95f508fdd4b8f12583d372421064537eba939ae78a398b3e0c08cb007bba.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

077f95f508fdd4b8f12583d372421064537eba939ae78a398b3e0c08cb007bba.exe

pid	Process
1864	077f95f508fdd4b8f12583d372421064537eba939ae78a398b3e0c08cb007bba.exe
1864	077f95f508fdd4b8f12583d372421064537eba939ae78a398b3e0c08cb007bba.exe

C:\Users\Admin\AppData\Local\Temp\077f95f508fdd4b8f12583d372421064537eba939ae78a398b3e0c08cb007bba.exe
"C:\Users\Admin\AppData\Local\Temp\077f95f508fdd4b8f12583d372421064537eba939ae78a398b3e0c08cb007bba.exe"
1⤵
- Modifies firewall policy service
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:1864

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:2336

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:1120

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/1864-0-0x00007FF6AED36000-0x00007FF6AEE94000-memory.dmp

Filesize
1.4MB

Download
memory/1864-2-0x00007FFB4D560000-0x00007FFB4D562000-memory.dmp

Filesize
8KB

Download
memory/1864-1-0x00007FFB4D550000-0x00007FFB4D552000-memory.dmp

Filesize
8KB

Download
memory/1864-5-0x00007FFB4B190000-0x00007FFB4B192000-memory.dmp

Filesize
8KB

Download
memory/1864-4-0x00007FFB4B560000-0x00007FFB4B562000-memory.dmp

Filesize
8KB

Download
memory/1864-3-0x00007FFB4B550000-0x00007FFB4B552000-memory.dmp

Filesize
8KB

Download
memory/1864-6-0x00007FFB4B1A0000-0x00007FFB4B1A2000-memory.dmp

Filesize
8KB

Download
memory/1864-7-0x00007FF6AEBD0000-0x00007FF6AF153000-memory.dmp

Filesize
5.5MB

Download
memory/1864-18-0x00007FF6AED36000-0x00007FF6AEE94000-memory.dmp

Filesize
1.4MB

Download