privateloader | 7e57954c3eff6d664449e15c68278bb4acf834ee4efdc76d000f0ed51f0c03dc

General

Target

592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe
Size

4.3MB
MD5

dc420d217ceaa342947187224505a034
SHA1

9dc25130ede5f985135bc3129b31802441c9729e
SHA256

592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735
SHA512

d9151dab6e26f09841ce86e1d060ccc4e9dc019d3567195fc0a99ed86c497596179e138e0db3a656dfc18ee024fd4660e8036f44383604111d350af6c883f2ae
SSDEEP

98304:/Hrl0QKys7P7CbM5zD6sILTjblMS0uJXAW0uQ9WCJ+SR8hR:/Ljhsi4osI3jhMSNJXA29CJF8hR

Score

10^/10

privateloader evasion loader 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:

592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.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:

592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1852-54-0x0000000000B20000-0x000000000139F000-memory.dmp	themida
behavioral1/memory/1852-55-0x0000000000B20000-0x000000000139F000-memory.dmp	themida
behavioral1/memory/1852-56-0x0000000000B20000-0x000000000139F000-memory.dmp	themida
behavioral1/memory/1852-57-0x0000000000B20000-0x000000000139F000-memory.dmp	themida
behavioral1/memory/1852-58-0x0000000000B20000-0x000000000139F000-memory.dmp	themida
behavioral1/memory/1852-59-0x0000000000B20000-0x000000000139F000-memory.dmp	themida
behavioral1/memory/1852-60-0x0000000000B20000-0x000000000139F000-memory.dmp	themida
behavioral1/memory/1852-61-0x0000000000B20000-0x000000000139F000-memory.dmp	themida
behavioral1/memory/1852-66-0x0000000000B20000-0x000000000139F000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.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

1 ipinfo.io
2 ipinfo.io
6 api.db-ip.com
7 api.db-ip.com
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe

pid process

1852 592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1264 1852 WerFault.exe 592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe

pid process

1852 592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe

flow	ioc
1	ipinfo.io
2	ipinfo.io
6	api.db-ip.com
7	api.db-ip.com

pid	process
1852	592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe

pid	pid_target	process	target process
1264	1852	WerFault.exe	592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe

pid	process
1852	592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe

description	pid	process	target process
PID 1852 wrote to memory of 1264	1852	592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe	WerFault.exe
PID 1852 wrote to memory of 1264	1852	592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe	WerFault.exe
PID 1852 wrote to memory of 1264	1852	592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe	WerFault.exe
PID 1852 wrote to memory of 1264	1852	592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe
"C:\Users\Admin\AppData\Local\Temp\592412dd24c6b0efa7e2a0b4b6292e83f6d27652a9e4bb39b74e670323e5d735.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 316
2⤵
- Program crash
PID:1264

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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Downloads

memory/1852-54-0x0000000000B20000-0x000000000139F000-memory.dmp

Filesize
8.5MB

Download
memory/1852-55-0x0000000000B20000-0x000000000139F000-memory.dmp

Filesize
8.5MB

Download
memory/1852-56-0x0000000000B20000-0x000000000139F000-memory.dmp

Filesize
8.5MB

Download
memory/1852-57-0x0000000000B20000-0x000000000139F000-memory.dmp

Filesize
8.5MB

Download
memory/1852-58-0x0000000000B20000-0x000000000139F000-memory.dmp

Filesize
8.5MB

Download
memory/1852-59-0x0000000000B20000-0x000000000139F000-memory.dmp

Filesize
8.5MB

Download
memory/1852-60-0x0000000000B20000-0x000000000139F000-memory.dmp

Filesize
8.5MB

Download
memory/1852-61-0x0000000000B20000-0x000000000139F000-memory.dmp

Filesize
8.5MB

Download
memory/1852-66-0x0000000000B20000-0x000000000139F000-memory.dmp

Filesize
8.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads