Malware Analysis Report

2024-09-09 12:19

Sample ID 240529-aesx7abb26
Target 2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0
SHA256 2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0
Tags
themida evasion oss_ak trojan upx
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0

Threat Level: Likely malicious

The file 2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0 was found to be: Likely malicious.

Malicious Activity Summary

themida evasion oss_ak trojan upx

detect oss ak

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

Checks BIOS information in registry

Loads dropped DLL

Themida packer

UPX packed file

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-05-29 00:07

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

2024-05-29 00:07

Reported

2024-05-29 00:10

Platform

win7-20240508-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.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\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.exe N/A

detect oss ak

oss_ak
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 BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.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

UPX packed file

upx
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
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\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.exe

"C:\Users\Admin\AppData\Local\Temp\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.exe"

Network

N/A

Files

memory/1084-0-0x0000000000400000-0x0000000002DFA000-memory.dmp

memory/1084-1-0x0000000077810000-0x0000000077812000-memory.dmp

memory/1084-2-0x0000000000400000-0x0000000002DFA000-memory.dmp

memory/1084-3-0x0000000000400000-0x0000000002DFA000-memory.dmp

memory/1084-4-0x0000000000400000-0x0000000002DFA000-memory.dmp

memory/1084-5-0x0000000000400000-0x0000000002DFA000-memory.dmp

\Users\Admin\AppData\Local\Temp\E2EECore.2.7.2.dll

MD5 8b6c94bbdbfb213e94a5dcb4fac28ce3
SHA1 b56102ca4f03556f387f8b30e2b404efabe0cb65
SHA256 982a177924762f270b36fe34c7d6847392b48ae53151dc2011078dceef487a53
SHA512 9d6d63b5d8cf7a978d7e91126d7a343c2f7acd00022da9d692f63e50835fdd84a59a93328564f10622f2b1f6adfd7febdd98b8ddb294d0754ed45cc9c165d25a

memory/1084-10-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/1084-12-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/1084-11-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/1084-13-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/1084-14-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/1084-15-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/1084-17-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/1084-21-0x0000000000400000-0x0000000002DFA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-29 00:07

Reported

2024-05-29 00:10

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.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\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.exe N/A

detect oss ak

oss_ak
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 BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.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

UPX packed file

upx
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
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\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.exe

"C:\Users\Admin\AppData\Local\Temp\2eb55630ffab9f62a0e4352c00b15f9c71802c77c0251276bce75b77147b45e0.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 13.173.189.20.in-addr.arpa udp

Files

memory/808-0-0x0000000000400000-0x0000000002DFA000-memory.dmp

memory/808-3-0x0000000077014000-0x0000000077016000-memory.dmp

memory/808-2-0x0000000000400000-0x0000000002DFA000-memory.dmp

memory/808-1-0x0000000000400000-0x0000000002DFA000-memory.dmp

memory/808-4-0x0000000000400000-0x0000000002DFA000-memory.dmp

memory/808-5-0x0000000000400000-0x0000000002DFA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\E2EECore.2.7.2.dll

MD5 8b6c94bbdbfb213e94a5dcb4fac28ce3
SHA1 b56102ca4f03556f387f8b30e2b404efabe0cb65
SHA256 982a177924762f270b36fe34c7d6847392b48ae53151dc2011078dceef487a53
SHA512 9d6d63b5d8cf7a978d7e91126d7a343c2f7acd00022da9d692f63e50835fdd84a59a93328564f10622f2b1f6adfd7febdd98b8ddb294d0754ed45cc9c165d25a

memory/808-11-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/808-12-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/808-13-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/808-14-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/808-15-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/808-16-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/808-18-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/808-21-0x0000000000400000-0x0000000002DFA000-memory.dmp