Malware Analysis Report

2024-07-28 11:04

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

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

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

evasion oss_ak themida trojan upx

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

detect oss ak

Themida packer

UPX packed file

Checks BIOS information in registry

Loads dropped DLL

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Virtualization/Sandbox Evasion
T1497
Credential Access
TA0006
Discovery
TA0007
Query Registry
T1012
Virtualization/Sandbox Evasion
T1497
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

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: 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

Loads dropped DLL

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

Suspicious use of SetWindowsHookEx

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

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A 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

Suspicious use of SetWindowsHookEx

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