privateloader | e3cd90fe855b430449aa00f87f135fc4d61f6a5e592dcba177e9067b00ab632e

Analysis

max time kernel
133s
max time network
136s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
02-09-2024 19:14

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General

Target

e3cd90fe855b430449aa00f87f135fc4d61f6a5e592dcba177e9067b00ab632e.exe
Size

4.3MB
MD5

61d67e67d5492a03cd4a04b11e6c737c
SHA1

f6ed2279bfd5fb2c42af498b4356ed460ff48d58
SHA256

e3cd90fe855b430449aa00f87f135fc4d61f6a5e592dcba177e9067b00ab632e
SHA512

e94be7bafe8e3ac5f9e703d777351fd60bdb3b78def6adec748c1d3d9867cd164a000bf0d82ef4b44ab9302866aeb7ffe8adf8c18e74b075c30f4213aafd0722
SSDEEP

98304:HEQQ7VWJEL5xZdj/MFScKbeppRZRxWwDv3yiv:khV35xHoAcMeVgwDvv

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:

e3cd90fe855b430449aa00f87f135fc4d61f6a5e592dcba177e9067b00ab632e.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	e3cd90fe855b430449aa00f87f135fc4d61f6a5e592dcba177e9067b00ab632e.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:

e3cd90fe855b430449aa00f87f135fc4d61f6a5e592dcba177e9067b00ab632e.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	e3cd90fe855b430449aa00f87f135fc4d61f6a5e592dcba177e9067b00ab632e.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	e3cd90fe855b430449aa00f87f135fc4d61f6a5e592dcba177e9067b00ab632e.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	e3cd90fe855b430449aa00f87f135fc4d61f6a5e592dcba177e9067b00ab632e.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	e3cd90fe855b430449aa00f87f135fc4d61f6a5e592dcba177e9067b00ab632e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

e3cd90fe855b430449aa00f87f135fc4d61f6a5e592dcba177e9067b00ab632e.exe

pid	process
2764	e3cd90fe855b430449aa00f87f135fc4d61f6a5e592dcba177e9067b00ab632e.exe
2764	e3cd90fe855b430449aa00f87f135fc4d61f6a5e592dcba177e9067b00ab632e.exe

C:\Users\Admin\AppData\Local\Temp\e3cd90fe855b430449aa00f87f135fc4d61f6a5e592dcba177e9067b00ab632e.exe
"C:\Users\Admin\AppData\Local\Temp\e3cd90fe855b430449aa00f87f135fc4d61f6a5e592dcba177e9067b00ab632e.exe"
1⤵
- Modifies firewall policy service
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2764

\??\c:\windows\system32\svchost.exe
c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s fhsvc
1⤵
PID:4396

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:3316

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/2764-0-0x00007FF61D866000-0x00007FF61DB14000-memory.dmp

Filesize
2.7MB

Download
memory/2764-3-0x00007FFD94420000-0x00007FFD94422000-memory.dmp

Filesize
8KB

Download
memory/2764-2-0x00007FFD94410000-0x00007FFD94412000-memory.dmp

Filesize
8KB

Download
memory/2764-1-0x00007FFD94400000-0x00007FFD94402000-memory.dmp

Filesize
8KB

Download
memory/2764-5-0x00007FF61D700000-0x00007FF61DF5E000-memory.dmp

Filesize
8.4MB

Download
memory/2764-6-0x00007FFD94440000-0x00007FFD94442000-memory.dmp

Filesize
8KB

Download
memory/2764-4-0x00007FFD94430000-0x00007FFD94432000-memory.dmp

Filesize
8KB

Download
memory/2764-7-0x00007FFD90AB0000-0x00007FFD90AB2000-memory.dmp

Filesize
8KB

Download
memory/2764-8-0x00007FFD90AC0000-0x00007FFD90AC2000-memory.dmp

Filesize
8KB

Download
memory/2764-20-0x00007FF61D866000-0x00007FF61DB14000-memory.dmp

Filesize
2.7MB

Download
memory/2764-21-0x00007FF61D700000-0x00007FF61DF5E000-memory.dmp

Filesize
8.4MB

Download