privateloader | 8b5c577ed2cb64d8e04b626b70e2369d157559586a006c3faf49654737ad8112

General

Target

4163344e4f4cd060d942daff7d672398.exe
Size

4.5MB
MD5

4163344e4f4cd060d942daff7d672398
SHA1

a6aaa491e15ef64f5cabf6150f58f8f745d29ee1
SHA256

8b5c577ed2cb64d8e04b626b70e2369d157559586a006c3faf49654737ad8112
SHA512

33368a7000cb24f57c131a3f8b264609fb3f176ae1abdeea2bda40f7f302486ce010188e6f38d842974ca023730194b9f61a3fe288a28acd11018b9fdfb57527
SSDEEP

98304:2VSUXVR3KIsPLiLuiFlQ9ydl8OKJ08miJ:WSSnKhLiKOQe+OKKwJ

Score

10^/10

privateloader evasion loader spyware stealer themida trojan

Malware Config

Signatures

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:

4163344e4f4cd060d942daff7d672398.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 4163344e4f4cd060d942daff7d672398.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4163344e4f4cd060d942daff7d672398.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:

4163344e4f4cd060d942daff7d672398.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4163344e4f4cd060d942daff7d672398.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4163344e4f4cd060d942daff7d672398.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

4163344e4f4cd060d942daff7d672398.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	4163344e4f4cd060d942daff7d672398.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Themida packer 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/3368-132-0x0000000000080000-0x0000000000BD9000-memory.dmp	themida
behavioral2/memory/3368-133-0x0000000000080000-0x0000000000BD9000-memory.dmp	themida
behavioral2/memory/3368-134-0x0000000000080000-0x0000000000BD9000-memory.dmp	themida
behavioral2/memory/3368-135-0x0000000000080000-0x0000000000BD9000-memory.dmp	themida
behavioral2/memory/3368-136-0x0000000000080000-0x0000000000BD9000-memory.dmp	themida
behavioral2/memory/3368-138-0x0000000000080000-0x0000000000BD9000-memory.dmp	themida
behavioral2/memory/3368-139-0x0000000000080000-0x0000000000BD9000-memory.dmp	themida
behavioral2/memory/3368-140-0x0000000000080000-0x0000000000BD9000-memory.dmp	themida
behavioral2/memory/3368-141-0x0000000000080000-0x0000000000BD9000-memory.dmp	themida
behavioral2/memory/3368-142-0x0000000000080000-0x0000000000BD9000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

4163344e4f4cd060d942daff7d672398.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4163344e4f4cd060d942daff7d672398.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 ipinfo.io
6 ipinfo.io

flow	ioc
5	ipinfo.io
6	ipinfo.io

Drops file in System32 directory 4 IoCs

Processes:

4163344e4f4cd060d942daff7d672398.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	4163344e4f4cd060d942daff7d672398.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	4163344e4f4cd060d942daff7d672398.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	4163344e4f4cd060d942daff7d672398.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	4163344e4f4cd060d942daff7d672398.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

4163344e4f4cd060d942daff7d672398.exe

pid process

3368 4163344e4f4cd060d942daff7d672398.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

4163344e4f4cd060d942daff7d672398.exe

pid	process
3368	4163344e4f4cd060d942daff7d672398.exe
3368	4163344e4f4cd060d942daff7d672398.exe
3368	4163344e4f4cd060d942daff7d672398.exe
3368	4163344e4f4cd060d942daff7d672398.exe

C:\Users\Admin\AppData\Local\Temp\4163344e4f4cd060d942daff7d672398.exe
"C:\Users\Admin\AppData\Local\Temp\4163344e4f4cd060d942daff7d672398.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3368

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4420

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:3352

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

3

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3368-132-0x0000000000080000-0x0000000000BD9000-memory.dmp

Filesize
11.3MB

Download
memory/3368-133-0x0000000000080000-0x0000000000BD9000-memory.dmp

Filesize
11.3MB

Download
memory/3368-134-0x0000000000080000-0x0000000000BD9000-memory.dmp

Filesize
11.3MB

Download
memory/3368-135-0x0000000000080000-0x0000000000BD9000-memory.dmp

Filesize
11.3MB

Download
memory/3368-137-0x0000000077A40000-0x0000000077BE3000-memory.dmp

Filesize
1.6MB

Download
memory/3368-136-0x0000000000080000-0x0000000000BD9000-memory.dmp

Filesize
11.3MB

Download
memory/3368-138-0x0000000000080000-0x0000000000BD9000-memory.dmp

Filesize
11.3MB

Download
memory/3368-139-0x0000000000080000-0x0000000000BD9000-memory.dmp

Filesize
11.3MB

Download
memory/3368-140-0x0000000000080000-0x0000000000BD9000-memory.dmp

Filesize
11.3MB

Download
memory/3368-141-0x0000000000080000-0x0000000000BD9000-memory.dmp

Filesize
11.3MB

Download
memory/3368-142-0x0000000000080000-0x0000000000BD9000-memory.dmp

Filesize
11.3MB

Download
memory/3368-143-0x0000000077A40000-0x0000000077BE3000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads