Malware Analysis Report

2024-12-07 04:15

Sample ID 241113-wrnpwszndk
Target 2d23008797a22adef86f59f17fa9f5cd3a0d11cef3d4f367bac93d27f4da9154
SHA256 2d23008797a22adef86f59f17fa9f5cd3a0d11cef3d4f367bac93d27f4da9154
Tags
emotet epoch5 banker discovery 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

2d23008797a22adef86f59f17fa9f5cd3a0d11cef3d4f367bac93d27f4da9154

Threat Level: Known bad

The file 2d23008797a22adef86f59f17fa9f5cd3a0d11cef3d4f367bac93d27f4da9154 was found to be: Known bad.

Malicious Activity Summary

emotet epoch5 banker discovery trojan

Emotet

Emotet family

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 18:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 18:09

Reported

2024-11-13 18:12

Platform

win7-20240903-en

Max time kernel

149s

Max time network

155s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\12c5ca2053e268d0003cba9e8b89220f876ee482cd283a5382be0ee713083185.dll

Signatures

Emotet

trojan banker emotet

Emotet family

emotet

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Kioznzaxvlc\edtigsevpif.hir C:\Windows\SysWOW64\regsvr32.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2348 wrote to memory of 2396 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2348 wrote to memory of 2396 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2348 wrote to memory of 2396 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2348 wrote to memory of 2396 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2348 wrote to memory of 2396 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2348 wrote to memory of 2396 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2348 wrote to memory of 2396 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2396 wrote to memory of 2340 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2396 wrote to memory of 2340 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2396 wrote to memory of 2340 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2396 wrote to memory of 2340 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2396 wrote to memory of 2340 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2396 wrote to memory of 2340 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2396 wrote to memory of 2340 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\12c5ca2053e268d0003cba9e8b89220f876ee482cd283a5382be0ee713083185.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\12c5ca2053e268d0003cba9e8b89220f876ee482cd283a5382be0ee713083185.dll

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Kioznzaxvlc\edtigsevpif.hir"

Network

Country Destination Domain Proto
PL 46.41.130.218:8080 tcp
PL 46.41.130.218:8080 tcp
AR 168.197.250.14:80 tcp
AR 168.197.250.14:80 tcp
ES 195.77.239.39:8080 tcp
ES 195.77.239.39:8080 tcp
ID 210.57.209.142:8080 tcp
ID 210.57.209.142:8080 tcp
ID 203.153.216.46:443 tcp

Files

memory/2396-0-0x0000000000970000-0x0000000000995000-memory.dmp

memory/2396-3-0x0000000010000000-0x00000000100A9000-memory.dmp

memory/2340-4-0x00000000003E0000-0x0000000000405000-memory.dmp

memory/2340-8-0x0000000010000000-0x00000000100A9000-memory.dmp

memory/2340-9-0x0000000010000000-0x00000000100A9000-memory.dmp

memory/2340-15-0x0000000010000000-0x00000000100A9000-memory.dmp

memory/2340-19-0x0000000010000000-0x00000000100A9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 18:09

Reported

2024-11-13 18:12

Platform

win10v2004-20241007-en

Max time kernel

136s

Max time network

144s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\12c5ca2053e268d0003cba9e8b89220f876ee482cd283a5382be0ee713083185.dll

Signatures

Emotet

trojan banker emotet

Emotet family

emotet

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Yrupyd\lmktaisfbrae.iim C:\Windows\SysWOW64\regsvr32.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1792 wrote to memory of 4960 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1792 wrote to memory of 4960 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1792 wrote to memory of 4960 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4960 wrote to memory of 4608 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4960 wrote to memory of 4608 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4960 wrote to memory of 4608 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\12c5ca2053e268d0003cba9e8b89220f876ee482cd283a5382be0ee713083185.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\12c5ca2053e268d0003cba9e8b89220f876ee482cd283a5382be0ee713083185.dll

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Yrupyd\lmktaisfbrae.iim"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 75.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
PL 46.41.130.218:8080 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
AR 168.197.250.14:80 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
ES 195.77.239.39:8080 tcp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
ID 210.57.209.142:8080 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
ID 203.153.216.46:443 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
BR 45.71.195.104:8080 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
DE 185.148.168.15:8080 tcp
DE 78.46.73.125:443 tcp

Files

memory/4960-0-0x00000000029E0000-0x0000000002A05000-memory.dmp

memory/4960-3-0x0000000010000000-0x00000000100A9000-memory.dmp

C:\Windows\SysWOW64\Yrupyd\lmktaisfbrae.iim

MD5 42365e836f1ca9b7bb57fd254070ef4b
SHA1 b1c46d683f59efb06daab841341b9a56fff12baf
SHA256 12c5ca2053e268d0003cba9e8b89220f876ee482cd283a5382be0ee713083185
SHA512 1c8f9c427044cca5664f53bb282479f8c4f9c5d0bb1abc4cea68e9762d728bed2c1143877f90ab5841fd24af2595d7c8c090bb3613774d84e8675e31f05c921f

memory/4608-5-0x0000000002180000-0x00000000021A5000-memory.dmp