privateloader | 642b2c1febb5c0e7ba9afeb45b66b9baa7b02d0b24f8b8a3477e3bfdeffa5d6f

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
18-08-2024 12:31

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General

Target

9312ea4eeda1a918922ae99a21aa1718.exe
Size

2.7MB
MD5

9312ea4eeda1a918922ae99a21aa1718
SHA1

14985e90b26b71b219116dd072a8ed6055aa5356
SHA256

642b2c1febb5c0e7ba9afeb45b66b9baa7b02d0b24f8b8a3477e3bfdeffa5d6f
SHA512

fa1727bb597f93241abe718d1cb107c3a8e52dee6a2fc004f426215bda3aace50c1293a24bb5d670c1fd81dae2596623e4ae37bef4c0fc39c68af80d4362d625
SSDEEP

49152:TziCEgBRW2m7P2m9V0yO3xoNhEQfWNpp9ZM2wdXywZ12ufVKkAIbZnADTFV41b6M:TuCdm7PL9GyO3xwhEGWjXjju12OVYIVk

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:

9312ea4eeda1a918922ae99a21aa1718.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	9312ea4eeda1a918922ae99a21aa1718.exe

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

Drops file in System32 directory 4 IoCs

Processes:

9312ea4eeda1a918922ae99a21aa1718.exe

description	ioc	Process
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	9312ea4eeda1a918922ae99a21aa1718.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	9312ea4eeda1a918922ae99a21aa1718.exe
File opened for modification	C:\Windows\System32\GroupPolicy	9312ea4eeda1a918922ae99a21aa1718.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	9312ea4eeda1a918922ae99a21aa1718.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

9312ea4eeda1a918922ae99a21aa1718.exe

pid	Process
3024	9312ea4eeda1a918922ae99a21aa1718.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

9312ea4eeda1a918922ae99a21aa1718.exe

description	pid	Process	procid_target
PID 3024 wrote to memory of 2956	3024	9312ea4eeda1a918922ae99a21aa1718.exe	31
PID 3024 wrote to memory of 2956	3024	9312ea4eeda1a918922ae99a21aa1718.exe	31
PID 3024 wrote to memory of 2956	3024	9312ea4eeda1a918922ae99a21aa1718.exe	31

C:\Users\Admin\AppData\Local\Temp\9312ea4eeda1a918922ae99a21aa1718.exe
"C:\Users\Admin\AppData\Local\Temp\9312ea4eeda1a918922ae99a21aa1718.exe"
1⤵
- Modifies firewall policy service
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 3024 -s 404
  2⤵
  PID:2956

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

memory/3024-0-0x000000013F336000-0x000000013F494000-memory.dmp

Filesize
1.4MB

Download
memory/3024-5-0x0000000076E90000-0x0000000076E92000-memory.dmp

Filesize
8KB

Download
memory/3024-3-0x0000000076E90000-0x0000000076E92000-memory.dmp

Filesize
8KB

Download
memory/3024-1-0x0000000076E90000-0x0000000076E92000-memory.dmp

Filesize
8KB

Download
memory/3024-10-0x0000000076EA0000-0x0000000076EA2000-memory.dmp

Filesize
8KB

Download
memory/3024-8-0x0000000076EA0000-0x0000000076EA2000-memory.dmp

Filesize
8KB

Download
memory/3024-6-0x0000000076EA0000-0x0000000076EA2000-memory.dmp

Filesize
8KB

Download
memory/3024-15-0x0000000076EB0000-0x0000000076EB2000-memory.dmp

Filesize
8KB

Download
memory/3024-13-0x0000000076EB0000-0x0000000076EB2000-memory.dmp

Filesize
8KB

Download
memory/3024-11-0x0000000076EB0000-0x0000000076EB2000-memory.dmp

Filesize
8KB

Download
memory/3024-20-0x0000000076EC0000-0x0000000076EC2000-memory.dmp

Filesize
8KB

Download
memory/3024-18-0x0000000076EC0000-0x0000000076EC2000-memory.dmp

Filesize
8KB

Download
memory/3024-16-0x0000000076EC0000-0x0000000076EC2000-memory.dmp

Filesize
8KB

Download
memory/3024-25-0x000007FEFCEC0000-0x000007FEFCEC2000-memory.dmp

Filesize
8KB

Download
memory/3024-23-0x000007FEFCEC0000-0x000007FEFCEC2000-memory.dmp

Filesize
8KB

Download
memory/3024-30-0x000007FEFCED0000-0x000007FEFCED2000-memory.dmp

Filesize
8KB

Download
memory/3024-28-0x000007FEFCED0000-0x000007FEFCED2000-memory.dmp

Filesize
8KB

Download
memory/3024-31-0x000000013F1D0000-0x000000013F750000-memory.dmp

Filesize
5.5MB

Download
memory/3024-35-0x0000000001DD0000-0x0000000001E22000-memory.dmp

Filesize
328KB

Download
memory/3024-43-0x000000013F336000-0x000000013F494000-memory.dmp

Filesize
1.4MB

Download