privateloader | 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e

General

Target

6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe
Size

6.6MB
MD5

f0587649682207064554a2372966435d
SHA1

2e8b948dfcffceb8acf550a585d2ea127f28f41f
SHA256

6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e
SHA512

f5d683b9f71f5f3647d0592f801c02f1dcea7eb49b16fa2e481487d0abc1770610dc9182148a68f749b19950fc3b122911ae0fd1b167ce5dde31931a14b45fdd
SSDEEP

49152:/d84kqSab6V599+xS6Zokh5QK4SbHo/xak/tMw1NxcwCr4RCmUUdr5snBK0PSGUh:/G4kwGb948Aok/+OwVRcwksVsnkL7

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:

6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.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:

6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.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:

6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1336-0-0x0000000140000000-0x0000000140DF9000-memory.dmp	themida
behavioral1/memory/1336-4-0x0000000140000000-0x0000000140DF9000-memory.dmp	themida
behavioral1/memory/1336-5-0x0000000140000000-0x0000000140DF9000-memory.dmp	themida
behavioral1/memory/1336-6-0x0000000140000000-0x0000000140DF9000-memory.dmp	themida
behavioral1/memory/1336-7-0x0000000140000000-0x0000000140DF9000-memory.dmp	themida
behavioral1/memory/1336-16-0x0000000140000000-0x0000000140DF9000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.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

10 api.myip.com
11 api.myip.com
14 ipinfo.io
15 ipinfo.io

flow	ioc
10	api.myip.com
11	api.myip.com
14	ipinfo.io
15	ipinfo.io

Drops file in System32 directory 4 IoCs

Processes:

6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe

pid	process
1336	6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe
1336	6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe

C:\Users\Admin\AppData\Local\Temp\6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe
"C:\Users\Admin\AppData\Local\Temp\6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.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:1336

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:320

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:3548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\System32\GroupPolicy\gpt.ini
Filesize
127B

MD5
8ef9853d1881c5fe4d681bfb31282a01

SHA1
a05609065520e4b4e553784c566430ad9736f19f

SHA256
9228f13d82c3dc96b957769f6081e5bac53cffca4ffde0ba1e102d9968f184a2

SHA512
5ddee931a08cfea5bb9d1c36355d47155a24d617c2a11d08364ffc54e593064011dee4fea8ac5b67029cab515d3071f0ba0422bb76af492a3115272ba8feb005

Download Submit
memory/1336-5-0x0000000140000000-0x0000000140DF9000-memory.dmp

Filesize
14.0MB

Download
memory/1336-0-0x0000000140000000-0x0000000140DF9000-memory.dmp

Filesize
14.0MB

Download
memory/1336-3-0x00007FF91B9C0000-0x00007FF91BC89000-memory.dmp

Filesize
2.8MB

Download
memory/1336-4-0x0000000140000000-0x0000000140DF9000-memory.dmp

Filesize
14.0MB

Download
memory/1336-8-0x00007FF91B9C0000-0x00007FF91BC89000-memory.dmp

Filesize
2.8MB

Download
memory/1336-2-0x00007FF91B9C0000-0x00007FF91BC89000-memory.dmp

Filesize
2.8MB

Download
memory/1336-6-0x0000000140000000-0x0000000140DF9000-memory.dmp

Filesize
14.0MB

Download
memory/1336-1-0x00007FF91BA24000-0x00007FF91BA25000-memory.dmp

Filesize
4KB

Download
memory/1336-7-0x0000000140000000-0x0000000140DF9000-memory.dmp

Filesize
14.0MB

Download
memory/1336-16-0x0000000140000000-0x0000000140DF9000-memory.dmp

Filesize
14.0MB

Download
memory/1336-17-0x00007FF91BA24000-0x00007FF91BA25000-memory.dmp

Filesize
4KB

Download
memory/1336-18-0x00007FF91B9C0000-0x00007FF91BC89000-memory.dmp

Filesize
2.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads