Malware Analysis Report

2024-07-28 11:05

Sample ID 240524-dp2vmaba8s
Target 9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd
SHA256 9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd
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

9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd

Threat Level: Likely malicious

The file 9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd 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)

Loads dropped DLL

Checks BIOS information in registry

UPX packed file

Themida packer

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

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

2024-05-24 03:11

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

2024-05-24 03:11

Reported

2024-05-24 03:14

Platform

win7-20240221-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.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\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.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\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.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\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe

"C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe"

Network

N/A

Files

memory/1712-1-0x0000000000400000-0x0000000002A01000-memory.dmp

memory/1712-3-0x0000000077660000-0x0000000077662000-memory.dmp

memory/1712-0-0x0000000000400000-0x0000000002A01000-memory.dmp

memory/1712-2-0x0000000000400000-0x0000000002A01000-memory.dmp

memory/1712-4-0x0000000000400000-0x0000000002A01000-memory.dmp

memory/1712-5-0x0000000000400000-0x0000000002A01000-memory.dmp

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

MD5 8b6c94bbdbfb213e94a5dcb4fac28ce3
SHA1 b56102ca4f03556f387f8b30e2b404efabe0cb65
SHA256 982a177924762f270b36fe34c7d6847392b48ae53151dc2011078dceef487a53
SHA512 9d6d63b5d8cf7a978d7e91126d7a343c2f7acd00022da9d692f63e50835fdd84a59a93328564f10622f2b1f6adfd7febdd98b8ddb294d0754ed45cc9c165d25a

memory/1712-10-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/1712-12-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/1712-13-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/1712-11-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/1712-14-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/1712-15-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/1712-16-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/1712-21-0x0000000000400000-0x0000000002A01000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-24 03:11

Reported

2024-05-24 03:14

Platform

win10v2004-20240426-en

Max time kernel

135s

Max time network

105s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.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\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.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\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.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\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe

"C:\Users\Admin\AppData\Local\Temp\9559430e4dec2b40add575c99c2bcdb30b043f1d771fa853848cdfd2006365dd.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 25.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp

Files

memory/2672-0-0x0000000000400000-0x0000000002A01000-memory.dmp

memory/2672-2-0x0000000076F14000-0x0000000076F16000-memory.dmp

memory/2672-1-0x0000000000400000-0x0000000002A01000-memory.dmp

memory/2672-3-0x0000000000400000-0x0000000002A01000-memory.dmp

memory/2672-4-0x0000000000400000-0x0000000002A01000-memory.dmp

memory/2672-5-0x0000000000400000-0x0000000002A01000-memory.dmp

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

MD5 8b6c94bbdbfb213e94a5dcb4fac28ce3
SHA1 b56102ca4f03556f387f8b30e2b404efabe0cb65
SHA256 982a177924762f270b36fe34c7d6847392b48ae53151dc2011078dceef487a53
SHA512 9d6d63b5d8cf7a978d7e91126d7a343c2f7acd00022da9d692f63e50835fdd84a59a93328564f10622f2b1f6adfd7febdd98b8ddb294d0754ed45cc9c165d25a

memory/2672-11-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/2672-14-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/2672-15-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/2672-13-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/2672-12-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/2672-16-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/2672-17-0x0000000010000000-0x00000000105A1000-memory.dmp

memory/2672-21-0x0000000000400000-0x0000000002A01000-memory.dmp