privateloader | 0b76a628088122ae9d03a0d3d1df056d87d0ee2a178223f257dbcf719ba4f26b

General

Target

92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe
Size

4.3MB
MD5

d80448b684ce5ebb82305199177c428c
SHA1

b5aad338c6f026442c18b3ea515abcb7bdb2c0e4
SHA256

92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629
SHA512

5dd639188abebbcd3b7a1868ee156b1574316ee7d1f51b6cd8767a50415256d224932b54a9b95d263e499c0619f35e65823e98957e7675bb3ab8654e562462f1
SSDEEP

49152:tRcTFkJWRR1WFKymfGEbpzGgcroQsgZ7fh7hNwGi8owARjHZn7/goiSGGYswUNM:/IFkJWgUzeepzGgcroxglJmRGGYsw0M

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:

92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.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:

92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1232-54-0x0000000001000000-0x000000000169D000-memory.dmp	themida
behavioral1/memory/1232-55-0x0000000001000000-0x000000000169D000-memory.dmp	themida
behavioral1/memory/1232-56-0x0000000001000000-0x000000000169D000-memory.dmp	themida
behavioral1/memory/1232-58-0x0000000001000000-0x000000000169D000-memory.dmp	themida
behavioral1/memory/1232-59-0x0000000001000000-0x000000000169D000-memory.dmp	themida
behavioral1/memory/1232-60-0x0000000001000000-0x000000000169D000-memory.dmp	themida
behavioral1/memory/1232-61-0x0000000001000000-0x000000000169D000-memory.dmp	themida
behavioral1/memory/1232-62-0x0000000001000000-0x000000000169D000-memory.dmp	themida
behavioral1/memory/1232-67-0x0000000001000000-0x000000000169D000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

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

Processes:

92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe

pid process

1232 92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

580 1232 WerFault.exe 92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe

pid process

1232 92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe

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

pid	process
1232	92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe

pid	pid_target	process	target process
580	1232	WerFault.exe	92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe

pid	process
1232	92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe

description	pid	process	target process
PID 1232 wrote to memory of 580	1232	92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe	WerFault.exe
PID 1232 wrote to memory of 580	1232	92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe	WerFault.exe
PID 1232 wrote to memory of 580	1232	92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe	WerFault.exe
PID 1232 wrote to memory of 580	1232	92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.exe
"C:\Users\Admin\AppData\Local\Temp\92618bacafd87b6655b729bcc61285150b0e1c5da339162144d652fe3d6be629.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:1232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1232 -s 316
2⤵
- Program crash
PID:580

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/1232-54-0x0000000001000000-0x000000000169D000-memory.dmp

Filesize
6.6MB

Download
memory/1232-55-0x0000000001000000-0x000000000169D000-memory.dmp

Filesize
6.6MB

Download
memory/1232-56-0x0000000001000000-0x000000000169D000-memory.dmp

Filesize
6.6MB

Download
memory/1232-58-0x0000000001000000-0x000000000169D000-memory.dmp

Filesize
6.6MB

Download
memory/1232-59-0x0000000001000000-0x000000000169D000-memory.dmp

Filesize
6.6MB

Download
memory/1232-60-0x0000000001000000-0x000000000169D000-memory.dmp

Filesize
6.6MB

Download
memory/1232-61-0x0000000001000000-0x000000000169D000-memory.dmp

Filesize
6.6MB

Download
memory/1232-62-0x0000000001000000-0x000000000169D000-memory.dmp

Filesize
6.6MB

Download
memory/1232-67-0x0000000001000000-0x000000000169D000-memory.dmp

Filesize
6.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads