privateloader | 9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d

General

Target

9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe
Size

6.3MB
MD5

1306e81bc13677c04abe69a1d2ca4e12
SHA1

71e0de1475bbdfd9d244613d733ef33cf531e89c
SHA256

9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d
SHA512

413f356c8f556e720b0677d88e1d4328a21983e6ffc0f1c49ac19bde9df5e787409e2d7520e557ee7eeee39377140bc2a756aa2eb959c7b397ac3a7b124f86f2
SSDEEP

98304:vMlj6Zrx1GIpunUNmw6M47l6xhi91sq0Na3PNSw+i35dbX7MztyszU:EluZrf6nUeNlv91sFA3lEk5dbX7Mz8V

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:

9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\C:\ = "1"	9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.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:

9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.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:

9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/3240-0-0x0000000140000000-0x0000000140C37000-memory.dmp	themida
behavioral1/memory/3240-5-0x0000000140000000-0x0000000140C37000-memory.dmp	themida
behavioral1/memory/3240-4-0x0000000140000000-0x0000000140C37000-memory.dmp	themida
behavioral1/memory/3240-6-0x0000000140000000-0x0000000140C37000-memory.dmp	themida
behavioral1/memory/3240-7-0x0000000140000000-0x0000000140C37000-memory.dmp	themida
behavioral1/memory/3240-16-0x0000000140000000-0x0000000140C37000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.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

11 ipinfo.io
6 api.myip.com
8 api.myip.com
10 ipinfo.io

flow	ioc
11	ipinfo.io
6	api.myip.com
8	api.myip.com
10	ipinfo.io

Drops file in System32 directory 4 IoCs

Processes:

9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe

pid	process
3240	9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe
3240	9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe

C:\Users\Admin\AppData\Local\Temp\9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.exe
"C:\Users\Admin\AppData\Local\Temp\9cec62fb802376768ad3fc73ef78aa6f2d34ec683696e597536ebe2b5fcb798d.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:3240

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4416

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:2384

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

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

MD5
8ef9853d1881c5fe4d681bfb31282a01

SHA1
a05609065520e4b4e553784c566430ad9736f19f

SHA256
9228f13d82c3dc96b957769f6081e5bac53cffca4ffde0ba1e102d9968f184a2

SHA512
5ddee931a08cfea5bb9d1c36355d47155a24d617c2a11d08364ffc54e593064011dee4fea8ac5b67029cab515d3071f0ba0422bb76af492a3115272ba8feb005

Download Submit
memory/3240-6-0x0000000140000000-0x0000000140C37000-memory.dmp

Filesize
12.2MB

Download
memory/3240-2-0x00007FF859C40000-0x00007FF859F09000-memory.dmp

Filesize
2.8MB

Download
memory/3240-3-0x00007FF859C40000-0x00007FF859F09000-memory.dmp

Filesize
2.8MB

Download
memory/3240-5-0x0000000140000000-0x0000000140C37000-memory.dmp

Filesize
12.2MB

Download
memory/3240-4-0x0000000140000000-0x0000000140C37000-memory.dmp

Filesize
12.2MB

Download
memory/3240-1-0x00007FF859CA4000-0x00007FF859CA5000-memory.dmp

Filesize
4KB

Download
memory/3240-8-0x00007FF859C40000-0x00007FF859F09000-memory.dmp

Filesize
2.8MB

Download
memory/3240-0-0x0000000140000000-0x0000000140C37000-memory.dmp

Filesize
12.2MB

Download
memory/3240-7-0x0000000140000000-0x0000000140C37000-memory.dmp

Filesize
12.2MB

Download
memory/3240-16-0x0000000140000000-0x0000000140C37000-memory.dmp

Filesize
12.2MB

Download
memory/3240-17-0x00007FF859CA4000-0x00007FF859CA5000-memory.dmp

Filesize
4KB

Download
memory/3240-18-0x00007FF859C40000-0x00007FF859F09000-memory.dmp

Filesize
2.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads