Malware Analysis Report

2025-01-03 06:25

Sample ID 240325-pyrxkaah3z
Target 74cb8639ce7741fa62f008836a4a4eebdd24f8f22d78bf5b4048680f6917e281
SHA256 74cb8639ce7741fa62f008836a4a4eebdd24f8f22d78bf5b4048680f6917e281
Tags
emotet epoch2 banker trojan
score
10/10

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
10/10

SHA256

74cb8639ce7741fa62f008836a4a4eebdd24f8f22d78bf5b4048680f6917e281

Threat Level: Known bad

The file 74cb8639ce7741fa62f008836a4a4eebdd24f8f22d78bf5b4048680f6917e281 was found to be: Known bad.

Malicious Activity Summary

emotet epoch2 banker trojan

Emotet

Executes dropped EXE

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Modifies system certificate store

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-25 12:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-25 12:44

Reported

2024-03-25 12:47

Platform

win7-20240221-en

Max time kernel

138s

Max time network

145s

Command Line

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

Signatures

Emotet

trojan banker emotet

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\KBDMON\relog.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\KBDMON\relog.exe C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe N/A

Enumerates physical storage devices

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 C:\Windows\SysWOW64\KBDMON\relog.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 C:\Windows\SysWOW64\KBDMON\relog.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\KBDMON\relog.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDMON\relog.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDMON\relog.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDMON\relog.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDMON\relog.exe N/A

Suspicious behavior: RenamesItself

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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDMON\relog.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDMON\relog.exe N/A

Processes

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

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

C:\Windows\SysWOW64\KBDMON\relog.exe

"C:\Windows\SysWOW64\KBDMON\relog.exe"

Network

Country Destination Domain Proto
CA 67.68.210.95:80 tcp
CA 67.68.210.95:80 tcp
US 162.241.242.173:8080 tcp
US 162.241.242.173:8080 tcp
US 45.55.36.51:443 45.55.36.51 tcp
US 45.55.36.51:443 tcp
US 45.55.219.163:443 tcp
US 45.55.219.163:443 tcp

Files

memory/848-1-0x00000000003D0000-0x00000000003DC000-memory.dmp

memory/848-0-0x00000000003B0000-0x00000000003B1000-memory.dmp

memory/848-2-0x00000000003C0000-0x00000000003C9000-memory.dmp

C:\Windows\SysWOW64\KBDMON\relog.exe

MD5 a4513379dad5233afa402cc56a8b9222
SHA1 805727279208de9cf49e6374b1f3a6dc0052620e
SHA256 ccd380ea868ffad4f960d7455fecf88c2ac3550001bbb6c21c31ae70b3bbf4f6
SHA512 10b23a9721bc9692f225a864f541d722761e622ff94e92f08c367a14fb7398199d4f4d3895ca456064889871246c6cbfc15fb2e593be21f384fb49e084cf3f9f

memory/2152-7-0x00000000001D0000-0x00000000001DC000-memory.dmp

memory/2152-11-0x00000000001D0000-0x00000000001DC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-25 12:44

Reported

2024-03-25 12:47

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

152s

Command Line

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

Signatures

Emotet

trojan banker emotet

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

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

Processes

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

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

C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe

"C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
CA 67.68.210.95:80 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 162.241.242.173:8080 tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 209.78.101.95.in-addr.arpa udp
US 45.55.36.51:443 45.55.36.51 tcp
US 8.8.8.8:53 51.36.55.45.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 45.55.219.163:443 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 68.188.112.97:80 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
FR 46.105.131.79:8080 tcp

Files

memory/2980-0-0x0000000002360000-0x000000000236C000-memory.dmp

memory/2980-3-0x0000000002300000-0x0000000002309000-memory.dmp

memory/2980-2-0x00000000022F0000-0x00000000022F1000-memory.dmp

C:\Windows\SysWOW64\NapiNSP\UIManagerBrokerps.exe

MD5 a4513379dad5233afa402cc56a8b9222
SHA1 805727279208de9cf49e6374b1f3a6dc0052620e
SHA256 ccd380ea868ffad4f960d7455fecf88c2ac3550001bbb6c21c31ae70b3bbf4f6
SHA512 10b23a9721bc9692f225a864f541d722761e622ff94e92f08c367a14fb7398199d4f4d3895ca456064889871246c6cbfc15fb2e593be21f384fb49e084cf3f9f

memory/3624-7-0x00000000021D0000-0x00000000021DC000-memory.dmp

memory/3624-11-0x00000000021D0000-0x00000000021DC000-memory.dmp