Malware Analysis Report

2024-10-18 21:19

Sample ID 240511-dng4tscg39
Target 32685b34661f7c22f63ccd1b9cc4c923_JaffaCakes118
SHA256 44aec256b604492a7357deed63696b9106d10c707aa8699e5d415f65bfec57ca
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

44aec256b604492a7357deed63696b9106d10c707aa8699e5d415f65bfec57ca

Threat Level: Known bad

The file 32685b34661f7c22f63ccd1b9cc4c923_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch2 banker trojan

Emotet

Emotet payload

Executes dropped EXE

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-11 03:09

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-11 03:09

Reported

2024-05-11 03:12

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\32685b34661f7c22f63ccd1b9cc4c923_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Emotet payload

trojan banker
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

Executes dropped EXE

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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\udhisapi\MSAMRNBEncoder.exe C:\Users\Admin\AppData\Local\Temp\32685b34661f7c22f63ccd1b9cc4c923_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\32685b34661f7c22f63ccd1b9cc4c923_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\32685b34661f7c22f63ccd1b9cc4c923_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\32685b34661f7c22f63ccd1b9cc4c923_JaffaCakes118.exe"

C:\Windows\SysWOW64\udhisapi\MSAMRNBEncoder.exe

"C:\Windows\SysWOW64\udhisapi\MSAMRNBEncoder.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
BE 2.17.196.137:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 137.196.17.2.in-addr.arpa udp
US 71.72.196.159:80 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 134.209.36.254:8080 tcp
NZ 120.138.30.150:8080 tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
FR 94.23.216.33:80 tcp
IN 157.245.99.39:8080 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
SG 137.59.187.107:8080 tcp
FR 94.23.237.171:443 tcp
TH 61.19.246.238:443 tcp
US 8.8.8.8:53 udp

Files

memory/4560-7-0x00000000005E0000-0x00000000005EF000-memory.dmp

memory/4560-4-0x00000000005F0000-0x0000000000600000-memory.dmp

memory/4560-0-0x0000000000790000-0x00000000007A2000-memory.dmp

C:\Windows\SysWOW64\udhisapi\MSAMRNBEncoder.exe

MD5 32685b34661f7c22f63ccd1b9cc4c923
SHA1 da0e21a05fd8d903fbfb466546e1109290349b66
SHA256 44aec256b604492a7357deed63696b9106d10c707aa8699e5d415f65bfec57ca
SHA512 a35eae367b103de5a930bb16ffc0a03ce92d1b6cf48f4af1483ac0a0ce38a3de8ce3311cf3f2bc134bde3bea4b63eb89e9d83328b0587fc2da399086141b7bf1

memory/4560-9-0x0000000000400000-0x0000000000476000-memory.dmp

memory/2604-14-0x0000000000550000-0x0000000000560000-memory.dmp

memory/2604-10-0x0000000000530000-0x0000000000542000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-11 03:09

Reported

2024-05-11 03:11

Platform

win7-20240508-en

Max time kernel

135s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\32685b34661f7c22f63ccd1b9cc4c923_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Emotet payload

trojan banker
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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\kbdnecat\NlsData000f.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\kbdnecat\NlsData000f.exe C:\Users\Admin\AppData\Local\Temp\32685b34661f7c22f63ccd1b9cc4c923_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\32685b34661f7c22f63ccd1b9cc4c923_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\32685b34661f7c22f63ccd1b9cc4c923_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\32685b34661f7c22f63ccd1b9cc4c923_JaffaCakes118.exe"

C:\Windows\SysWOW64\kbdnecat\NlsData000f.exe

"C:\Windows\SysWOW64\kbdnecat\NlsData000f.exe"

Network

Country Destination Domain Proto
US 71.72.196.159:80 tcp
US 71.72.196.159:80 tcp
US 134.209.36.254:8080 tcp
US 134.209.36.254:8080 tcp
NZ 120.138.30.150:8080 tcp
NZ 120.138.30.150:8080 tcp
FR 94.23.216.33:80 tcp
FR 94.23.216.33:80 tcp
IN 157.245.99.39:8080 tcp
IN 157.245.99.39:8080 tcp

Files

memory/2416-0-0x00000000002C0000-0x00000000002D2000-memory.dmp

memory/2416-7-0x0000000000230000-0x000000000023F000-memory.dmp

memory/2416-4-0x00000000002E0000-0x00000000002F0000-memory.dmp

memory/2416-9-0x0000000000400000-0x0000000000476000-memory.dmp

C:\Windows\SysWOW64\kbdnecat\NlsData000f.exe

MD5 32685b34661f7c22f63ccd1b9cc4c923
SHA1 da0e21a05fd8d903fbfb466546e1109290349b66
SHA256 44aec256b604492a7357deed63696b9106d10c707aa8699e5d415f65bfec57ca
SHA512 a35eae367b103de5a930bb16ffc0a03ce92d1b6cf48f4af1483ac0a0ce38a3de8ce3311cf3f2bc134bde3bea4b63eb89e9d83328b0587fc2da399086141b7bf1

memory/2880-14-0x00000000002B0000-0x00000000002C0000-memory.dmp

memory/2880-10-0x0000000000290000-0x00000000002A2000-memory.dmp