privateloader | 34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973

General

Target

34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe
Size

6.6MB
MD5

04196b8a0869c9f19b3805b4f861a0e1
SHA1

8ed2478e15af46fa12059bc2e47cc638f3238fb0
SHA256

34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973
SHA512

84f9f1de0c8bacce56917e401b8d5ff6a5613b9e231877e8d8be37bdfc03718605f2de39066bafb7fa44435d6eab840ed9c4868716d5127c86f2111b24786e82
SSDEEP

98304:txondzNbVrqNn9C18EPukfT6fys71nMBEKew2OfVcc:LSbqNn9C1LfT6nyBEKew2OfVcc

Score

10^/10

privateloader evasion loader themida trojan

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe

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

Detects executables packed with Themida 6 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3208-0-0x0000000140000000-0x0000000140E05000-memory.dmp	INDICATOR_EXE_Packed_Themida
behavioral2/memory/3208-4-0x0000000140000000-0x0000000140E05000-memory.dmp	INDICATOR_EXE_Packed_Themida
behavioral2/memory/3208-5-0x0000000140000000-0x0000000140E05000-memory.dmp	INDICATOR_EXE_Packed_Themida
behavioral2/memory/3208-7-0x0000000140000000-0x0000000140E05000-memory.dmp	INDICATOR_EXE_Packed_Themida
behavioral2/memory/3208-6-0x0000000140000000-0x0000000140E05000-memory.dmp	INDICATOR_EXE_Packed_Themida
behavioral2/memory/3208-16-0x0000000140000000-0x0000000140E05000-memory.dmp	INDICATOR_EXE_Packed_Themida

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/3208-0-0x0000000140000000-0x0000000140E05000-memory.dmp	themida
behavioral2/memory/3208-4-0x0000000140000000-0x0000000140E05000-memory.dmp	themida
behavioral2/memory/3208-5-0x0000000140000000-0x0000000140E05000-memory.dmp	themida
behavioral2/memory/3208-7-0x0000000140000000-0x0000000140E05000-memory.dmp	themida
behavioral2/memory/3208-6-0x0000000140000000-0x0000000140E05000-memory.dmp	themida
behavioral2/memory/3208-16-0x0000000140000000-0x0000000140E05000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe

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

6 api.myip.com
7 api.myip.com
12 ipinfo.io
13 ipinfo.io

flow	ioc
6	api.myip.com
7	api.myip.com
12	ipinfo.io
13	ipinfo.io

Drops file in System32 directory 4 IoCs

Processes:

34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe

pid	process
3208	34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe
3208	34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe

C:\Users\Admin\AppData\Local\Temp\34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe
"C:\Users\Admin\AppData\Local\Temp\34f4c84b4046eb6c9b1a30ebaecc226f60170d8c575319354ae120c40e589973.exe"
1⤵
- Modifies firewall policy service
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:3208

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:1152

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:2932

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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/3208-3-0x00007FF8F6310000-0x00007FF8F6312000-memory.dmp

Filesize
8KB

Download
memory/3208-2-0x00007FF880030000-0x00007FF880031000-memory.dmp

Filesize
4KB

Download
memory/3208-0-0x0000000140000000-0x0000000140E05000-memory.dmp

Filesize
14.0MB

Download
memory/3208-4-0x0000000140000000-0x0000000140E05000-memory.dmp

Filesize
14.0MB

Download
memory/3208-5-0x0000000140000000-0x0000000140E05000-memory.dmp

Filesize
14.0MB

Download
memory/3208-7-0x0000000140000000-0x0000000140E05000-memory.dmp

Filesize
14.0MB

Download
memory/3208-6-0x0000000140000000-0x0000000140E05000-memory.dmp

Filesize
14.0MB

Download
memory/3208-8-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

Filesize
2.0MB

Download
memory/3208-1-0x00007FF880000000-0x00007FF880002000-memory.dmp

Filesize
8KB

Download
memory/3208-16-0x0000000140000000-0x0000000140E05000-memory.dmp

Filesize
14.0MB

Download
memory/3208-17-0x00007FF880000000-0x00007FF880002000-memory.dmp

Filesize
8KB

Download
memory/3208-19-0x00007FF8F6270000-0x00007FF8F6465000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads