privateloader | 29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29

General

Target

29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe
Size

6.2MB
MD5

ca428ee59cb833e7a19b66e9f935d4c8
SHA1

60d5d626f50a0dcd32f8931abe9d3b121e0fb71a
SHA256

29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29
SHA512

d6afec966732970e0ec73187e6f01c093f0abe8e99770009b0fbf45dcde2f9ea267ab8bf1422e68c2d3b39d4085274a6af5e836a7bd768c2dcdce0353b712771
SSDEEP

196608:/h9xIN48LD6xSg8sR5AX0zjTy7q29kGIeokYuX4Nzc0JyBo6d/RBikeFeKigysTc:ZLIG8Lhg8sR5K0zjTy7q29kGIeokYuXN

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:

29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.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:

29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.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:

29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2816-0-0x0000000140000000-0x0000000140BFE000-memory.dmp	themida
behavioral2/memory/2816-7-0x0000000140000000-0x0000000140BFE000-memory.dmp	themida
behavioral2/memory/2816-6-0x0000000140000000-0x0000000140BFE000-memory.dmp	themida
behavioral2/memory/2816-4-0x0000000140000000-0x0000000140BFE000-memory.dmp	themida
behavioral2/memory/2816-5-0x0000000140000000-0x0000000140BFE000-memory.dmp	themida
behavioral2/memory/2816-17-0x0000000140000000-0x0000000140BFE000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.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
8 ipinfo.io

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

Drops file in System32 directory 4 IoCs

Processes:

29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe
File opened for modification	C:\Windows\System32\GroupPolicy	29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe

pid	process
2816	29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe
2816	29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe

C:\Users\Admin\AppData\Local\Temp\29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.exe
"C:\Users\Admin\AppData\Local\Temp\29a45face7eab6c08a8936739ddd8b63116ed23e5638eee914734080013acb29.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:2816

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:1080

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4016

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

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Downloads

memory/2816-1-0x00007FFE1ACE9000-0x00007FFE1ACEA000-memory.dmp

Filesize
4KB

Download
memory/2816-2-0x00007FFE1AC90000-0x00007FFE1B004000-memory.dmp

Filesize
3.5MB

Download
memory/2816-0-0x0000000140000000-0x0000000140BFE000-memory.dmp

Filesize
12.0MB

Download
memory/2816-3-0x00007FFE1AC90000-0x00007FFE1B004000-memory.dmp

Filesize
3.5MB

Download
memory/2816-7-0x0000000140000000-0x0000000140BFE000-memory.dmp

Filesize
12.0MB

Download
memory/2816-6-0x0000000140000000-0x0000000140BFE000-memory.dmp

Filesize
12.0MB

Download
memory/2816-4-0x0000000140000000-0x0000000140BFE000-memory.dmp

Filesize
12.0MB

Download
memory/2816-5-0x0000000140000000-0x0000000140BFE000-memory.dmp

Filesize
12.0MB

Download
memory/2816-15-0x00007FFE1AC90000-0x00007FFE1B004000-memory.dmp

Filesize
3.5MB

Download
memory/2816-16-0x00007FFE1AC90000-0x00007FFE1B004000-memory.dmp

Filesize
3.5MB

Download
memory/2816-17-0x0000000140000000-0x0000000140BFE000-memory.dmp

Filesize
12.0MB

Download
memory/2816-18-0x00007FFE1ACE9000-0x00007FFE1ACEA000-memory.dmp

Filesize
4KB

Download
memory/2816-19-0x00007FFE1AC90000-0x00007FFE1B004000-memory.dmp

Filesize
3.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads