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
behavioral2/memory/4068-0-0x0000000140000000-0x0000000140DF9000-memory.dmp	themida
behavioral2/memory/4068-7-0x0000000140000000-0x0000000140DF9000-memory.dmp	themida
behavioral2/memory/4068-8-0x0000000140000000-0x0000000140DF9000-memory.dmp	themida
behavioral2/memory/4068-9-0x0000000140000000-0x0000000140DF9000-memory.dmp	themida
behavioral2/memory/4068-6-0x0000000140000000-0x0000000140DF9000-memory.dmp	themida
behavioral2/memory/4068-18-0x0000000140000000-0x0000000140DF9000-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

14 ipinfo.io
15 ipinfo.io
8 api.myip.com
9 api.myip.com

flow	ioc
14	ipinfo.io
15	ipinfo.io
8	api.myip.com
9	api.myip.com

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
4068	6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe
4068	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:4068

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:3712

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:468

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4252,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4132 /prefetch:8
1⤵
PID:1244

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

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Downloads

memory/4068-0-0x0000000140000000-0x0000000140DF9000-memory.dmp

Filesize
14.0MB

Download
memory/4068-3-0x00007FFDBEEF0000-0x00007FFDBF1B9000-memory.dmp

Filesize
2.8MB

Download
memory/4068-4-0x00007FFDBEEF0000-0x00007FFDBF1B9000-memory.dmp

Filesize
2.8MB

Download
memory/4068-2-0x00007FFDBEEF0000-0x00007FFDBF1B9000-memory.dmp

Filesize
2.8MB

Download
memory/4068-1-0x00007FFDBEF54000-0x00007FFDBEF55000-memory.dmp

Filesize
4KB

Download
memory/4068-5-0x00007FFDBEEF0000-0x00007FFDBF1B9000-memory.dmp

Filesize
2.8MB

Download
memory/4068-7-0x0000000140000000-0x0000000140DF9000-memory.dmp

Filesize
14.0MB

Download
memory/4068-8-0x0000000140000000-0x0000000140DF9000-memory.dmp

Filesize
14.0MB

Download
memory/4068-9-0x0000000140000000-0x0000000140DF9000-memory.dmp

Filesize
14.0MB

Download
memory/4068-6-0x0000000140000000-0x0000000140DF9000-memory.dmp

Filesize
14.0MB

Download
memory/4068-10-0x00007FFDBEEF0000-0x00007FFDBF1B9000-memory.dmp

Filesize
2.8MB

Download
memory/4068-18-0x0000000140000000-0x0000000140DF9000-memory.dmp

Filesize
14.0MB

Download
memory/4068-20-0x00007FFDBEEF0000-0x00007FFDBF1B9000-memory.dmp

Filesize
2.8MB

Download
memory/4068-19-0x00007FFDBEF54000-0x00007FFDBEF55000-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