Malware Analysis Report

2024-10-10 07:58

Sample ID 240612-jvzkcavfrl
Target fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e
SHA256 fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e
Tags
evasion themida trojan
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

fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e

Threat Level: Likely malicious

The file fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e was found to be: Likely malicious.

Malicious Activity Summary

evasion themida trojan

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

Checks BIOS information in registry

Themida packer

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 08:00

Signatures

Themida packer

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 08:00

Reported

2024-06-12 08:02

Platform

win7-20240508-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.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\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.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\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.exe N/A

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
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\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{CC4CA231-2891-11EF-BA8B-4EB079F7C2BA} = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\IntelliForms C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 90f44fb29ebcda01 C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000587104b0d2f7da409208cf3ae9e77a2300000000020000000000106600000001000020000000ebd3d2b76eaecb3c8ab77498da8dfc0032cc9e04c074bc183e2d623ca858cd4a000000000e800000000200002000000083c318b7768722f89299ef4e7eb3e6369f1bfd72b44538fa71ea8dc6e6a2e6e790000000ecf170902f8792ea72aec42462ac685d14ee00d272c97bbc80e1f3008f17252efdefb195a562b32faa3c2a10f1e7e28238bc51b75cc58e8798b91b51692005aab9d3bf19b7394e458f549605e53e3ea8589600d134dd7b0e6288d6b70f75ef4974a92c0ebdc808390d8e20b3d48a180b917c18a33d291048079e1c78989eca52628bceb1d4206d88e875122a6654e293400000009a4c1c441450d0ce9156849b41a84fcb4bb5fe76936363cdb5d00fdeb6330aafefd09dce655cad060d4ad520aead2e4fe8b6833189c3b6d6b8686210f1908a0c C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\GPU C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\PageSetup C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\LowRegistry C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "424341104" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Zoom C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000587104b0d2f7da409208cf3ae9e77a230000000002000000000010660000000100002000000017e8b0d23cd8daa9a6416386c62e539674fc94b439dc6f9c74910ede92dfa2e8000000000e8000000002000020000000fc95baec800164011ccdac5d7935b3c11a285efbdabe63509b548d5c2916e29220000000eddb16f7ce92cb90e499795a45f486ebbd32b687bf8c9b45bdb30c5d6baafcde40000000b09149b8905d08f315b51156b3bdd6c02bcd54c6725ff668f542b215435dc52dee152ec986735f46206243d0896ccaeb35ba476cd74b45d1a7c88c185fc0b278 C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\SearchScopes C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\DomainSuggestion C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\IETld\LowMic C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\InternetRegistry C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 C:\Program Files\Internet Explorer\iexplore.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Internet Explorer\iexplore.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.exe

"C:\Users\Admin\AppData\Local\Temp\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.exe"

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe" https://aka.ms/dotnet-core-applaunch?missing_runtime=true&arch=x64&rid=win7-x64&apphost_version=6.0.16&gui=true

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1828 CREDAT:275457 /prefetch:2

Network

Country Destination Domain Proto
US 8.8.8.8:53 aka.ms udp
US 8.8.8.8:53 aka.ms udp
US 8.8.8.8:53 aka.ms udp

Files

memory/1952-0-0x000000013F7B0000-0x000000014058B000-memory.dmp

memory/1952-2-0x000007FEFCED0000-0x000007FEFCF3C000-memory.dmp

memory/1952-1-0x000007FEFCEE3000-0x000007FEFCEE4000-memory.dmp

memory/1952-3-0x000007FEFCED0000-0x000007FEFCF3C000-memory.dmp

memory/1952-5-0x000000013F7B0000-0x000000014058B000-memory.dmp

memory/1952-4-0x000000013F7B0000-0x000000014058B000-memory.dmp

memory/1952-6-0x000000013F7B0000-0x000000014058B000-memory.dmp

memory/1952-7-0x000000013F7B0000-0x000000014058B000-memory.dmp

memory/1952-9-0x000007FEFCED0000-0x000007FEFCF3C000-memory.dmp

memory/1952-10-0x000000013F7B0000-0x000000014058B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 08:00

Reported

2024-06-12 08:02

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

54s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.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\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.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\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.exe N/A

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
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\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.exe

"C:\Users\Admin\AppData\Local\Temp\fa2d3f8561fc73bcd35b397854b29a46f58460c16f8cfd1fe0333dacfd8bb79e.exe"

Network

Files

memory/1172-0-0x00007FF663F70000-0x00007FF664D4B000-memory.dmp

memory/1172-1-0x00007FFF16B04000-0x00007FFF16B05000-memory.dmp

memory/1172-3-0x00007FFF16AA0000-0x00007FFF16D69000-memory.dmp

memory/1172-2-0x00007FFF16AA0000-0x00007FFF16D69000-memory.dmp

memory/1172-4-0x00007FFF16AA0000-0x00007FFF16D69000-memory.dmp

memory/1172-5-0x00007FF663F70000-0x00007FF664D4B000-memory.dmp

memory/1172-6-0x00007FF663F70000-0x00007FF664D4B000-memory.dmp

memory/1172-7-0x00007FF663F70000-0x00007FF664D4B000-memory.dmp

memory/1172-8-0x00007FF663F70000-0x00007FF664D4B000-memory.dmp

memory/1172-10-0x00007FF663F70000-0x00007FF664D4B000-memory.dmp

memory/1172-11-0x00007FFF16AA0000-0x00007FFF16D69000-memory.dmp