Malware Analysis Report

2024-11-30 19:24

Sample ID 240921-hj6zlszcjc
Target ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118
SHA256 79675190a7307d9230edac7b4a75f7f26424ee3069f2e113bf17bf2aa9868595
Tags
agilenet discovery evasion
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

79675190a7307d9230edac7b4a75f7f26424ee3069f2e113bf17bf2aa9868595

Threat Level: Likely malicious

The file ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

agilenet discovery evasion

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

Checks BIOS information in registry

Identifies Wine through registry keys

Obfuscated with Agile.Net obfuscator

Loads dropped DLL

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-21 06:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-21 06:47

Reported

2024-09-21 06:49

Platform

win7-20240704-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.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\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.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\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.exe N/A

Obfuscated with Agile.Net obfuscator

agilenet
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

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.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\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.exe"

Network

N/A

Files

memory/2144-0-0x00000000003C0000-0x0000000001B6E000-memory.dmp

memory/2144-1-0x00000000003C0000-0x0000000001B6E000-memory.dmp

memory/2144-2-0x00000000003C0000-0x0000000001B6E000-memory.dmp

\Users\Admin\AppData\Local\Temp\a778d1f1-ae37-46b7-a17a-fbfa3c42ceb5\AgileDotNetRT.dll

MD5 54ab56509d910c969b9c287fde10026d
SHA1 b0929cd61e4428d57191b0c41ad60765236bed4c
SHA256 998b95107a40360c441b4d1211f9f2e5ea9d004017baa383ffbe1a46cf08bfd0
SHA512 b16722ac2662362d6ee37620f1ab2dcee05e0a54b49dbc8bb2d93561f35f2f09e4dd8f0bc6139d57a5424a7b76c62dafef62a7f355ea1963e7fcdce180cdd2e8

memory/2144-9-0x00000000746A0000-0x00000000746D7000-memory.dmp

memory/2144-11-0x00000000003C0000-0x0000000001B6E000-memory.dmp

memory/2144-12-0x00000000746A0000-0x00000000746D7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-21 06:47

Reported

2024-09-21 06:49

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.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\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.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\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.exe N/A

Obfuscated with Agile.Net obfuscator

agilenet
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

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.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\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ef43043de1becd0f5f048fbbbb701bcd_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 233.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/5004-0-0x00000000001F0000-0x000000000199E000-memory.dmp

memory/5004-1-0x00000000001F0000-0x000000000199E000-memory.dmp

memory/5004-2-0x00000000001F0000-0x000000000199E000-memory.dmp

memory/5004-3-0x0000000008A50000-0x0000000008FF4000-memory.dmp

memory/5004-4-0x0000000008540000-0x00000000085D2000-memory.dmp

memory/5004-5-0x00000000085E0000-0x0000000008934000-memory.dmp

memory/5004-13-0x0000000070C80000-0x0000000070CB7000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\a778d1f1-ae37-46b7-a17a-fbfa3c42ceb5\AgileDotNetRT.dll

MD5 54ab56509d910c969b9c287fde10026d
SHA1 b0929cd61e4428d57191b0c41ad60765236bed4c
SHA256 998b95107a40360c441b4d1211f9f2e5ea9d004017baa383ffbe1a46cf08bfd0
SHA512 b16722ac2662362d6ee37620f1ab2dcee05e0a54b49dbc8bb2d93561f35f2f09e4dd8f0bc6139d57a5424a7b76c62dafef62a7f355ea1963e7fcdce180cdd2e8

memory/5004-17-0x0000000070C80000-0x0000000070CB7000-memory.dmp

memory/5004-16-0x00000000001F0000-0x000000000199E000-memory.dmp