privateloader | d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12

General

Target

d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe
Size

5.1MB
MD5

ce3b2324bd2a44f69a9c91bb17d453b3
SHA1

ca056e86fee6ddd48150971adeb7a89956a75dea
SHA256

d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12
SHA512

17a81a517c47910022c286391b896cdfca599edb9449c74cef60987c34a5f0d1aa91f54202c098afefa8584a273d771add9ba9f3696531b9982eb56dacbb3067
SSDEEP

98304:kAofBJtAfoaQI2HVf0bWlq7ax1QSFyDxVjbY6cmsMxotj:kjtSSIsf+E1QUif4DmsMx2j

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:

d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.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:

d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.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:

d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe

Themida packer 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/5024-0-0x0000000140000000-0x00000001411BE000-memory.dmp	themida
behavioral2/memory/5024-2-0x0000000140000000-0x00000001411BE000-memory.dmp	themida
behavioral2/memory/5024-7-0x0000000140000000-0x00000001411BE000-memory.dmp	themida
behavioral2/memory/5024-8-0x0000000140000000-0x00000001411BE000-memory.dmp	themida
behavioral2/memory/5024-10-0x0000000140000000-0x00000001411BE000-memory.dmp	themida
behavioral2/memory/5024-11-0x0000000140000000-0x00000001411BE000-memory.dmp	themida
behavioral2/memory/5024-13-0x0000000140000000-0x00000001411BE000-memory.dmp	themida
behavioral2/memory/5024-12-0x0000000140000000-0x00000001411BE000-memory.dmp	themida
behavioral2/memory/5024-14-0x0000000140000000-0x00000001411BE000-memory.dmp	themida
behavioral2/memory/5024-22-0x0000000140000000-0x00000001411BE000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.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

2 api.myip.com
2 ipinfo.io
3 api.myip.com
6 ipinfo.io

flow	ioc
2	api.myip.com
2	ipinfo.io
3	api.myip.com
6	ipinfo.io

Drops file in System32 directory 4 IoCs

Processes:

d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe

pid	process
5024	d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe
5024	d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe

C:\Users\Admin\AppData\Local\Temp\d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.exe
"C:\Users\Admin\AppData\Local\Temp\d0388daa0bde61a385ee1f9b8fcb047e5e6a16b878994f3d8c4cbc6f9b3b3a12.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:5024

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:1172

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:1256

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

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Downloads

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

MD5
8ef9853d1881c5fe4d681bfb31282a01

SHA1
a05609065520e4b4e553784c566430ad9736f19f

SHA256
9228f13d82c3dc96b957769f6081e5bac53cffca4ffde0ba1e102d9968f184a2

SHA512
5ddee931a08cfea5bb9d1c36355d47155a24d617c2a11d08364ffc54e593064011dee4fea8ac5b67029cab515d3071f0ba0422bb76af492a3115272ba8feb005

Download Submit
memory/5024-9-0x00007FFEAC700000-0x00007FFEAC7BD000-memory.dmp

Filesize
756KB

Download
memory/5024-8-0x0000000140000000-0x00000001411BE000-memory.dmp

Filesize
17.7MB

Download
memory/5024-3-0x00007FFEAC71A000-0x00007FFEAC71B000-memory.dmp

Filesize
4KB

Download
memory/5024-6-0x00007FFEAC700000-0x00007FFEAC7BD000-memory.dmp

Filesize
756KB

Download
memory/5024-10-0x0000000140000000-0x00000001411BE000-memory.dmp

Filesize
17.7MB

Download
memory/5024-7-0x0000000140000000-0x00000001411BE000-memory.dmp

Filesize
17.7MB

Download
memory/5024-4-0x00007FFEAC700000-0x00007FFEAC7BD000-memory.dmp

Filesize
756KB

Download
memory/5024-0-0x0000000140000000-0x00000001411BE000-memory.dmp

Filesize
17.7MB

Download
memory/5024-2-0x0000000140000000-0x00000001411BE000-memory.dmp

Filesize
17.7MB

Download
memory/5024-11-0x0000000140000000-0x00000001411BE000-memory.dmp

Filesize
17.7MB

Download
memory/5024-13-0x0000000140000000-0x00000001411BE000-memory.dmp

Filesize
17.7MB

Download
memory/5024-12-0x0000000140000000-0x00000001411BE000-memory.dmp

Filesize
17.7MB

Download
memory/5024-5-0x00007FFEAC700000-0x00007FFEAC7BD000-memory.dmp

Filesize
756KB

Download
memory/5024-14-0x0000000140000000-0x00000001411BE000-memory.dmp

Filesize
17.7MB

Download
memory/5024-22-0x0000000140000000-0x00000001411BE000-memory.dmp

Filesize
17.7MB

Download
memory/5024-23-0x00007FFEAC71A000-0x00007FFEAC71B000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads