Malware Analysis Report

2024-10-18 21:16

Sample ID 240713-1plvqsycqr
Target 437a0705bdff9d49e48b892b03a6e49a_JaffaCakes118
SHA256 8c52bd98e4ae2a31193f819f1781a4e966f3124212a6b02f88f68051d1493333
Tags
emotet epoch3 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

8c52bd98e4ae2a31193f819f1781a4e966f3124212a6b02f88f68051d1493333

Threat Level: Known bad

The file 437a0705bdff9d49e48b892b03a6e49a_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Blocklisted process makes network request

Loads dropped DLL

Drops file in System32 directory

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-13 21:49

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-13 21:49

Reported

2024-07-13 21:52

Platform

win7-20240705-en

Max time kernel

130s

Max time network

140s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\437a0705bdff9d49e48b892b03a6e49a_JaffaCakes118.dll,#1

Signatures

Emotet

trojan banker emotet

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2180 wrote to memory of 2084 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2180 wrote to memory of 2084 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2180 wrote to memory of 2084 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2180 wrote to memory of 2084 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2180 wrote to memory of 2084 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2180 wrote to memory of 2084 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2180 wrote to memory of 2084 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\437a0705bdff9d49e48b892b03a6e49a_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\437a0705bdff9d49e48b892b03a6e49a_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
AR 190.55.186.229:80 tcp
AR 190.55.186.229:80 tcp
TH 203.157.152.9:7080 tcp
TH 203.157.152.9:7080 tcp
SG 157.245.145.87:443 tcp
SG 157.245.145.87:443 tcp

Files

memory/2084-0-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2084-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2084-1-0x0000000000150000-0x000000000016F000-memory.dmp

memory/2084-3-0x0000000010000000-0x0000000010023000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-13 21:49

Reported

2024-07-13 21:52

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

152s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\437a0705bdff9d49e48b892b03a6e49a_JaffaCakes118.dll,#1

Signatures

Emotet

trojan banker emotet

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Syyxapibbxja\lkvihscjeap.umb C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 588 wrote to memory of 1560 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 588 wrote to memory of 1560 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 588 wrote to memory of 1560 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1560 wrote to memory of 1400 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1560 wrote to memory of 1400 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1560 wrote to memory of 1400 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\437a0705bdff9d49e48b892b03a6e49a_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\437a0705bdff9d49e48b892b03a6e49a_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Syyxapibbxja\lkvihscjeap.umb",wgSzsh

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 19.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/1560-1-0x0000000000DC0000-0x0000000000DDF000-memory.dmp

memory/1560-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/1560-4-0x0000000010000000-0x0000000010023000-memory.dmp

C:\Windows\SysWOW64\Syyxapibbxja\lkvihscjeap.umb

MD5 437a0705bdff9d49e48b892b03a6e49a
SHA1 794de25e6547829d5040a3ce926ba14cdb8df56e
SHA256 8c52bd98e4ae2a31193f819f1781a4e966f3124212a6b02f88f68051d1493333
SHA512 58921d0a834cd5cbcfed24bb0d74f6c9f3516e3bfd24670fe04d1a153d12e1cb6afc8b95eb7fd5c06aeb68a9fe60b557613ac1eda02caa733680036ae4d487a6