privateloader | 92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3

General

Target

92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe
Size

7.3MB
MD5

a5891df2ec1f8f0335bc744b24b4d646
SHA1

d8aced6d7fd09deb2580990cecd2594c17d75c4d
SHA256

92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3
SHA512

eae0d11b4e25ab03a194c9fd0a844559b66e9f34809a34509a61f86b8a02d48193b74b937fdf2857ad473598fb3ec888d8dbf126637750bca46d0e3c7640ffa3
SSDEEP

98304:6iqnIOSIVtC+icuty84gK7NcnJygMABQYCFsq1kkkkkkkkkkkkkkkkkkxkkkkkkb:8IpIjut1Bc+naA6YCFVy2A026

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:

92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.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:

92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.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:

92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2556-0-0x0000000140000000-0x0000000140DCF000-memory.dmp	themida
behavioral2/memory/2556-7-0x0000000140000000-0x0000000140DCF000-memory.dmp	themida
behavioral2/memory/2556-6-0x0000000140000000-0x0000000140DCF000-memory.dmp	themida
behavioral2/memory/2556-9-0x0000000140000000-0x0000000140DCF000-memory.dmp	themida
behavioral2/memory/2556-8-0x0000000140000000-0x0000000140DCF000-memory.dmp	themida
behavioral2/memory/2556-17-0x0000000140000000-0x0000000140DCF000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.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

4 api.myip.com
4 ipinfo.io
5 api.myip.com
6 ipinfo.io

flow	ioc
4	api.myip.com
4	ipinfo.io
5	api.myip.com
6	ipinfo.io

Drops file in System32 directory 4 IoCs

Processes:

92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe

pid	process
2556	92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe
2556	92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe

C:\Users\Admin\AppData\Local\Temp\92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.exe
"C:\Users\Admin\AppData\Local\Temp\92105da09cc48e4f81bdfe124904bef025ee94c8ed8809353b1f19193a8badf3.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:2556

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:2828

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4900

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

Loading Replay Monitor...

Downloads

memory/2556-0-0x0000000140000000-0x0000000140DCF000-memory.dmp

Filesize
13.8MB

Download
memory/2556-2-0x00007FFE6F220000-0x00007FFE6F2DD000-memory.dmp

Filesize
756KB

Download
memory/2556-1-0x00007FFE6F23A000-0x00007FFE6F23B000-memory.dmp

Filesize
4KB

Download
memory/2556-4-0x00007FFE6F220000-0x00007FFE6F2DD000-memory.dmp

Filesize
756KB

Download
memory/2556-3-0x00007FFE6F220000-0x00007FFE6F2DD000-memory.dmp

Filesize
756KB

Download
memory/2556-5-0x00007FFE6F220000-0x00007FFE6F2DD000-memory.dmp

Filesize
756KB

Download
memory/2556-7-0x0000000140000000-0x0000000140DCF000-memory.dmp

Filesize
13.8MB

Download
memory/2556-6-0x0000000140000000-0x0000000140DCF000-memory.dmp

Filesize
13.8MB

Download
memory/2556-9-0x0000000140000000-0x0000000140DCF000-memory.dmp

Filesize
13.8MB

Download
memory/2556-8-0x0000000140000000-0x0000000140DCF000-memory.dmp

Filesize
13.8MB

Download
memory/2556-17-0x0000000140000000-0x0000000140DCF000-memory.dmp

Filesize
13.8MB

Download
memory/2556-18-0x00007FFE6F23A000-0x00007FFE6F23B000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads