privateloader | 4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8

General

Target

4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe
Size

3.3MB
MD5

2cd1c0c32272ec4d63f1c4d47528d8f5
SHA1

76ff3a803b1a7f133c23621e77e9befebacde140
SHA256

4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8
SHA512

63460c1822a4431ff1941868d49c078c5493b7875f9f112dcda7dd1a4deb07435249e13605d2622e750c9e21b5e4820b2405a1023efcd5a7587fab7cea7dd116
SSDEEP

49152:7S4le0H+8RtHhu77Jx04Q1kq54w2W8X8grM0pk6ZnyEtYE7S0EfJt2:7g0/49xckq5I8ZKxzm5x

Score

10^/10

privateloader evasion loader trojan

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe

PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
loader privateloader
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.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:

4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.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

16 api.myip.com
21 ipinfo.io
22 ipinfo.io
14 api.myip.com

flow	ioc
16	api.myip.com
21	ipinfo.io
22	ipinfo.io
14	api.myip.com

Drops file in System32 directory 4 IoCs

Processes:

4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe

pid process

4716 4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe

pid	process
4716	4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe

C:\Users\Admin\AppData\Local\Temp\4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.exe
"C:\Users\Admin\AppData\Local\Temp\4e93e231a8414c142de58992a79d60b5c4625a1421903e52647b091f421782b8.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:4716

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:3412

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:3076

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

memory/4716-0-0x0000000140000000-0x0000000140B2D000-memory.dmp

Filesize
11.2MB

Download
memory/4716-1-0x0000000140B00000-0x0000000140B01000-memory.dmp

Filesize
4KB

Download
memory/4716-2-0x0000000140000000-0x0000000140B2D000-memory.dmp

Filesize
11.2MB

Download
memory/4716-3-0x0000000140000000-0x0000000140B2D000-memory.dmp

Filesize
11.2MB

Download
memory/4716-4-0x0000000140000000-0x0000000140B2D000-memory.dmp

Filesize
11.2MB

Download
memory/4716-6-0x0000000140000000-0x0000000140B2D000-memory.dmp

Filesize
11.2MB

Download
memory/4716-5-0x0000000140000000-0x0000000140B2D000-memory.dmp

Filesize
11.2MB

Download
memory/4716-8-0x0000000140000000-0x0000000140B2D000-memory.dmp

Filesize
11.2MB

Download
memory/4716-7-0x0000000140000000-0x0000000140B2D000-memory.dmp

Filesize
11.2MB

Download
memory/4716-9-0x0000000140000000-0x0000000140B2D000-memory.dmp

Filesize
11.2MB

Download
memory/4716-17-0x0000000140000000-0x0000000140B2D000-memory.dmp

Filesize
11.2MB

Download
memory/4716-18-0x0000000140000000-0x0000000140B2D000-memory.dmp

Filesize
11.2MB

Download
memory/4716-19-0x0000000140B00000-0x0000000140B01000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads