Malware Analysis Report

2024-11-15 08:36

Sample ID 240902-2zz1sazclq
Target c507dec437e09f01e4cf70dd85d478b1.zip
SHA256 99b03d24ee07748e93d41bde9d4f617b9ed7cd0d9288ec0dee8199f5b981d3cf
Tags
discovery evasion themida trojan agilenet
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
9/10

SHA256

99b03d24ee07748e93d41bde9d4f617b9ed7cd0d9288ec0dee8199f5b981d3cf

Threat Level: Likely malicious

The file c507dec437e09f01e4cf70dd85d478b1.zip was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion themida trojan agilenet

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Checks BIOS information in registry

Themida packer

Loads dropped DLL

Obfuscated with Agile.Net obfuscator

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-02 23:01

Signatures

Themida packer

themida
Description Indicator Process Target
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Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-09-02 23:01

Reported

2024-09-02 23:04

Platform

win7-20240704-en

Max time kernel

119s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe N/A

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe

"C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe"

Network

N/A

Files

memory/2424-4-0x0000000075D80000-0x0000000075DC7000-memory.dmp

memory/2424-3-0x0000000075D80000-0x0000000075DC7000-memory.dmp

memory/2424-2-0x0000000075D80000-0x0000000075DC7000-memory.dmp

memory/2424-6-0x0000000075D80000-0x0000000075DC7000-memory.dmp

memory/2424-5-0x0000000075D80000-0x0000000075DC7000-memory.dmp

memory/2424-1-0x0000000075D8E000-0x0000000075D8F000-memory.dmp

memory/2424-0-0x0000000000FE0000-0x0000000001AC8000-memory.dmp

memory/2424-8-0x0000000075D80000-0x0000000075DC7000-memory.dmp

memory/2424-7-0x0000000000FE0000-0x0000000001AC8000-memory.dmp

memory/2424-13-0x0000000075D80000-0x0000000075DC7000-memory.dmp

memory/2424-14-0x0000000075D80000-0x0000000075DC7000-memory.dmp

memory/2424-16-0x0000000000FE0000-0x0000000001AC8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-02 23:01

Reported

2024-09-02 23:04

Platform

win10v2004-20240802-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe N/A

Obfuscated with Agile.Net obfuscator

agilenet
Description Indicator Process Target
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Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe

"C:\Users\Admin\AppData\Local\Temp\f16acceaef0ae8c24d8ed49928a0eab7b63bbfd11e13749d2b43321bd3c4f7cd.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2340 -ip 2340

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 1448

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2340-0-0x0000000000200000-0x0000000000CE8000-memory.dmp

memory/2340-1-0x00000000769A0000-0x00000000769A1000-memory.dmp

memory/2340-2-0x0000000076980000-0x0000000076A70000-memory.dmp

memory/2340-4-0x0000000076980000-0x0000000076A70000-memory.dmp

memory/2340-3-0x0000000076980000-0x0000000076A70000-memory.dmp

memory/2340-5-0x0000000076980000-0x0000000076A70000-memory.dmp

memory/2340-6-0x0000000076980000-0x0000000076A70000-memory.dmp

memory/2340-7-0x0000000076980000-0x0000000076A70000-memory.dmp

memory/2340-11-0x0000000000200000-0x0000000000CE8000-memory.dmp

memory/2340-12-0x0000000000200000-0x0000000000CE8000-memory.dmp

memory/2340-13-0x0000000006140000-0x00000000066E4000-memory.dmp

memory/2340-14-0x0000000005920000-0x00000000059B2000-memory.dmp

memory/2340-15-0x0000000005AD0000-0x0000000005ADA000-memory.dmp

memory/2340-16-0x0000000005CD0000-0x0000000005F0A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ba012cba-2679-4da3-a26b-788d51617354\AgileDotNetRT.dll

MD5 14ff402962ad21b78ae0b4c43cd1f194
SHA1 f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256 fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512 daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

memory/2340-24-0x0000000073940000-0x00000000739C9000-memory.dmp

memory/2340-73-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-52-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-50-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-48-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-46-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-44-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-42-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-40-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-38-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-36-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-34-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-32-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-30-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-28-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-26-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-25-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-83-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-86-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-84-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-80-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-78-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-76-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-74-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-70-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-68-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-66-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-64-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-62-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-60-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-58-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-56-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-54-0x0000000005CD0000-0x0000000005F05000-memory.dmp

memory/2340-703-0x0000000000200000-0x0000000000CE8000-memory.dmp

memory/2340-1017-0x00000000769A0000-0x00000000769A1000-memory.dmp

memory/2340-1026-0x0000000076980000-0x0000000076A70000-memory.dmp

memory/2340-2812-0x0000000076980000-0x0000000076A70000-memory.dmp

memory/2340-13903-0x0000000000200000-0x0000000000CE8000-memory.dmp

memory/2340-13904-0x0000000076980000-0x0000000076A70000-memory.dmp