privateloader | d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77

General

Target

d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe
Size

6.1MB
MD5

ef25d40267a23924210989a31b6fe6ab
SHA1

8642da158dee5ff584c462c51b11b47401dcfea6
SHA256

d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77
SHA512

3df37b6b3da77e5efd4f17bc4a3b2769009b943612187ae21552d671f4e4a23a43a7fc468cade4e7aa4a9f08b08a4cbb46d15a535935102578210bc9e5bbcfe1
SSDEEP

98304:hgEryB3dLCnvXgjvC8giqW/qGXbWg555yo3uZuuLnWfOPEI1:WSsNLCnvgjvrgiFqChN3uZuuLnWfO8I1

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:

d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.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:

d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.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:

d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/2264-0-0x0000000140000000-0x0000000140BD8000-memory.dmp	themida
behavioral1/memory/2264-5-0x0000000140000000-0x0000000140BD8000-memory.dmp	themida
behavioral1/memory/2264-7-0x0000000140000000-0x0000000140BD8000-memory.dmp	themida
behavioral1/memory/2264-8-0x0000000140000000-0x0000000140BD8000-memory.dmp	themida
behavioral1/memory/2264-6-0x0000000140000000-0x0000000140BD8000-memory.dmp	themida
behavioral1/memory/2264-17-0x0000000140000000-0x0000000140BD8000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.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

18 ipinfo.io
9 api.myip.com
10 api.myip.com
17 ipinfo.io

flow	ioc
18	ipinfo.io
9	api.myip.com
10	api.myip.com
17	ipinfo.io

Drops file in System32 directory 4 IoCs

Processes:

d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe

pid	process
2264	d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe
2264	d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe

C:\Users\Admin\AppData\Local\Temp\d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.exe
"C:\Users\Admin\AppData\Local\Temp\d43df58a2a5f5c0553a3a80375f9388cb06b365018fc1da21d50bf777efd3a77.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:2264

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:1828

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:1528

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/2264-7-0x0000000140000000-0x0000000140BD8000-memory.dmp

Filesize
11.8MB

Download
memory/2264-3-0x00007FFAA0F80000-0x00007FFAA1249000-memory.dmp

Filesize
2.8MB

Download
memory/2264-2-0x00007FFAA0F80000-0x00007FFAA1249000-memory.dmp

Filesize
2.8MB

Download
memory/2264-4-0x00007FFAA0F80000-0x00007FFAA1249000-memory.dmp

Filesize
2.8MB

Download
memory/2264-5-0x0000000140000000-0x0000000140BD8000-memory.dmp

Filesize
11.8MB

Download
memory/2264-1-0x00007FFAA0FE4000-0x00007FFAA0FE5000-memory.dmp

Filesize
4KB

Download
memory/2264-8-0x0000000140000000-0x0000000140BD8000-memory.dmp

Filesize
11.8MB

Download
memory/2264-6-0x0000000140000000-0x0000000140BD8000-memory.dmp

Filesize
11.8MB

Download
memory/2264-9-0x00007FFAA0F80000-0x00007FFAA1249000-memory.dmp

Filesize
2.8MB

Download
memory/2264-0-0x0000000140000000-0x0000000140BD8000-memory.dmp

Filesize
11.8MB

Download
memory/2264-17-0x0000000140000000-0x0000000140BD8000-memory.dmp

Filesize
11.8MB

Download
memory/2264-18-0x00007FFAA0FE4000-0x00007FFAA0FE5000-memory.dmp

Filesize
4KB

Download
memory/2264-19-0x00007FFAA0F80000-0x00007FFAA1249000-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