Malware Analysis Report

2024-10-18 21:19

Sample ID 240512-qtm89agf8y
Target 3a5d08924c502a1a561eb1ba5d37b580_JaffaCakes118
SHA256 646834cd91f4b55fd232b4234978cf9a473180576051b7b9d443b143107c4750
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

646834cd91f4b55fd232b4234978cf9a473180576051b7b9d443b143107c4750

Threat Level: Known bad

The file 3a5d08924c502a1a561eb1ba5d37b580_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch2 banker trojan

Emotet

Executes dropped EXE

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-12 13:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-12 13:33

Reported

2024-05-12 13:35

Platform

win7-20240419-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3a5d08924c502a1a561eb1ba5d37b580_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 C:\Users\Admin\AppData\Local\Temp\3a5d08924c502a1a561eb1ba5d37b580_JaffaCakes118.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 C:\Users\Admin\AppData\Local\Temp\3a5d08924c502a1a561eb1ba5d37b580_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3a5d08924c502a1a561eb1ba5d37b580_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3a5d08924c502a1a561eb1ba5d37b580_JaffaCakes118.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/2084-4-0x00000000002E0000-0x00000000002E1000-memory.dmp

memory/2084-0-0x00000000003C0000-0x00000000003CC000-memory.dmp

memory/2084-5-0x0000000000330000-0x0000000000339000-memory.dmp

memory/2084-6-0x00000000003C0000-0x00000000003CC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-12 13:33

Reported

2024-05-12 13:35

Platform

win10v2004-20240508-en

Max time kernel

136s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3a5d08924c502a1a561eb1ba5d37b580_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Executes dropped EXE

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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\efsui\rasman.exe C:\Users\Admin\AppData\Local\Temp\3a5d08924c502a1a561eb1ba5d37b580_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\3a5d08924c502a1a561eb1ba5d37b580_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3a5d08924c502a1a561eb1ba5d37b580_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3a5d08924c502a1a561eb1ba5d37b580_JaffaCakes118.exe"

C:\Windows\SysWOW64\efsui\rasman.exe

"C:\Windows\SysWOW64\efsui\rasman.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.155:443 www.bing.com tcp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 155.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
CA 67.68.210.95:80 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 24.121.18.2.in-addr.arpa udp
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 8.8.8.8:53 51.36.55.45.in-addr.arpa udp
US 8.8.8.8:53 11.97.55.23.in-addr.arpa udp
US 8.8.8.8:53 80.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 45.55.219.163:443 tcp
US 68.188.112.97:80 tcp
FR 46.105.131.79:8080 tcp
RU 78.24.219.147:8080 tcp

Files

memory/4172-0-0x0000000002280000-0x000000000228C000-memory.dmp

memory/4172-5-0x0000000002270000-0x0000000002279000-memory.dmp

memory/4172-4-0x00000000006C0000-0x00000000006C1000-memory.dmp

C:\Windows\SysWOW64\efsui\rasman.exe

MD5 3a5d08924c502a1a561eb1ba5d37b580
SHA1 8d426b8c7eec61ac869f10e1d74221236450aca9
SHA256 646834cd91f4b55fd232b4234978cf9a473180576051b7b9d443b143107c4750
SHA512 cf2e8835bdd51653bfa14f5f36090557fe198566d277d0d187463a59a8454567a130524c983f3c6c6af9cc59c44e17ff7b0fa4ed812bc0b38519e1d57404760f

memory/4172-7-0x0000000000400000-0x00000000004D7000-memory.dmp

memory/4952-8-0x00000000006B0000-0x00000000006BC000-memory.dmp

memory/4952-12-0x00000000006B0000-0x00000000006BC000-memory.dmp