privateloader | 4f8231b390a158cb9e46134d327511a2e8a3aa047fc9836206b18e7ae144c2a8

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-10-2024 05:11

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General

Target

4f8231b390a158cb9e46134d327511a2e8a3aa047fc9836206b18e7ae144c2a8.exe
Size

4.4MB
MD5

353b4795c84b488bf997aa6ee5d2e353
SHA1

61954e17fef96be042135c9f18116d21de22b585
SHA256

4f8231b390a158cb9e46134d327511a2e8a3aa047fc9836206b18e7ae144c2a8
SHA512

9c4f76b78319e1743a568f3bd106771bc8918958abc26680c0bc50856b24d4a4b3101e82640dd65678408cc668571d1d9163eb279f60c39ed93d6b53e6478872
SSDEEP

98304:3QXPiboO6zcDPc3d1ZOrJfn30eeMjvhCKqlbeY5S+cP:3eibx+cDU3d1EmTqvhHybeYc+i

Score

10^/10

privateloader discovery loader vmprotect

Malware Config

Signatures

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

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/2404-1-0x0000000000250000-0x00000000014A4000-memory.dmp	vmprotect

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	4f8231b390a158cb9e46134d327511a2e8a3aa047fc9836206b18e7ae144c2a8.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	4f8231b390a158cb9e46134d327511a2e8a3aa047fc9836206b18e7ae144c2a8.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	4f8231b390a158cb9e46134d327511a2e8a3aa047fc9836206b18e7ae144c2a8.exe
File opened for modification	C:\Windows\System32\GroupPolicy	4f8231b390a158cb9e46134d327511a2e8a3aa047fc9836206b18e7ae144c2a8.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3048	2404	WerFault.exe	27

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4f8231b390a158cb9e46134d327511a2e8a3aa047fc9836206b18e7ae144c2a8.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 3048	2404	4f8231b390a158cb9e46134d327511a2e8a3aa047fc9836206b18e7ae144c2a8.exe	28
PID 2404 wrote to memory of 3048	2404	4f8231b390a158cb9e46134d327511a2e8a3aa047fc9836206b18e7ae144c2a8.exe	28
PID 2404 wrote to memory of 3048	2404	4f8231b390a158cb9e46134d327511a2e8a3aa047fc9836206b18e7ae144c2a8.exe	28
PID 2404 wrote to memory of 3048	2404	4f8231b390a158cb9e46134d327511a2e8a3aa047fc9836206b18e7ae144c2a8.exe	28

C:\Users\Admin\AppData\Local\Temp\4f8231b390a158cb9e46134d327511a2e8a3aa047fc9836206b18e7ae144c2a8.exe
"C:\Users\Admin\AppData\Local\Temp\4f8231b390a158cb9e46134d327511a2e8a3aa047fc9836206b18e7ae144c2a8.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 436
  2⤵
  - Program crash
  PID:3048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2404-1-0x0000000000250000-0x00000000014A4000-memory.dmp

Filesize
18.3MB

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