Malware Analysis Report

2024-10-18 21:14

Sample ID 240711-cbq1jasdqn
Target 3744fcee098e8656d14892e367b70dfe_JaffaCakes118
SHA256 e464b3d57d16b072cc6944d7ac7f46468b29bf654578678525b552370c449805
Tags
emotet epoch1 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

e464b3d57d16b072cc6944d7ac7f46468b29bf654578678525b552370c449805

Threat Level: Known bad

The file 3744fcee098e8656d14892e367b70dfe_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker trojan

Emotet

Blocklisted process makes network request

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-11 01:54

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-11 01:54

Reported

2024-07-11 01:57

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

153s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3744fcee098e8656d14892e367b70dfe_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

Loads dropped DLL

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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Yttbwjquhwssyotk\uiesaqcxbnxaojw.veb 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

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3744fcee098e8656d14892e367b70dfe_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3744fcee098e8656d14892e367b70dfe_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Yttbwjquhwssyotk\uiesaqcxbnxaojw.veb",ZlxXQXCUnrDfBW

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Yttbwjquhwssyotk\uiesaqcxbnxaojw.veb",#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
RO 84.232.229.24:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
FR 51.255.203.164:8080 tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
DE 217.160.169.110:8080 tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
ES 185.183.16.47:80 tcp
CL 190.45.24.210:80 tcp
MX 187.162.248.237:80 tcp
US 8.8.8.8:53 1.173.189.20.in-addr.arpa udp

Files

memory/1932-0-0x0000000000AA0000-0x0000000000B3E000-memory.dmp

memory/1932-2-0x0000000000AA0000-0x0000000000AC4000-memory.dmp

memory/1932-1-0x0000000002410000-0x0000000002437000-memory.dmp

memory/1932-4-0x0000000000AA0000-0x0000000000AC4000-memory.dmp

memory/1932-3-0x0000000000AA0000-0x0000000000B3E000-memory.dmp

C:\Windows\SysWOW64\Yttbwjquhwssyotk\uiesaqcxbnxaojw.veb

MD5 3744fcee098e8656d14892e367b70dfe
SHA1 07052f1d5dca89ef15b13160177a57e4a805cb60
SHA256 e464b3d57d16b072cc6944d7ac7f46468b29bf654578678525b552370c449805
SHA512 22655923c12c12594f716be0bb5ebce18a9c1258b1bf58b14b8c59d6e969bee8a0a040f1423f336c48e40e8dd7f964018baa7de5f358a798e223a5def878f8ae

memory/4484-6-0x0000000000400000-0x0000000000424000-memory.dmp

memory/4484-7-0x0000000000400000-0x000000000049E000-memory.dmp

memory/3396-9-0x0000000000400000-0x000000000049E000-memory.dmp

memory/3396-10-0x0000000000400000-0x000000000049E000-memory.dmp

memory/3396-12-0x0000000000400000-0x000000000049E000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-11 01:54

Reported

2024-07-11 01:57

Platform

win7-20240705-en

Max time kernel

141s

Max time network

140s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3744fcee098e8656d14892e367b70dfe_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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Rmhsmeanleh\xzpdvnyiah.lly C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates physical storage devices

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 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 2096 wrote to memory of 1796 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2096 wrote to memory of 1796 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2096 wrote to memory of 1796 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2096 wrote to memory of 1796 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2096 wrote to memory of 1796 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2096 wrote to memory of 1796 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2096 wrote to memory of 1796 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1796 wrote to memory of 2276 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1796 wrote to memory of 2276 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1796 wrote to memory of 2276 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1796 wrote to memory of 2276 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1796 wrote to memory of 2276 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1796 wrote to memory of 2276 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1796 wrote to memory of 2276 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2276 wrote to memory of 2472 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2276 wrote to memory of 2472 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2276 wrote to memory of 2472 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2276 wrote to memory of 2472 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2276 wrote to memory of 2472 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2276 wrote to memory of 2472 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2276 wrote to memory of 2472 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\3744fcee098e8656d14892e367b70dfe_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3744fcee098e8656d14892e367b70dfe_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Rmhsmeanleh\xzpdvnyiah.lly",PPgamNCm

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Rmhsmeanleh\xzpdvnyiah.lly",#1

Network

Country Destination Domain Proto
RO 84.232.229.24:80 tcp
RO 84.232.229.24:80 tcp
FR 51.255.203.164:8080 tcp
FR 51.255.203.164:8080 tcp
DE 217.160.169.110:8080 tcp
DE 217.160.169.110:8080 tcp

Files

memory/1796-0-0x00000000001B0000-0x000000000024E000-memory.dmp

memory/1796-1-0x0000000000250000-0x0000000000277000-memory.dmp

memory/1796-2-0x00000000001B1000-0x0000000000214000-memory.dmp

memory/1796-4-0x00000000001B1000-0x0000000000214000-memory.dmp

memory/2276-5-0x0000000000250000-0x00000000002EE000-memory.dmp

memory/1796-3-0x00000000001B0000-0x000000000024E000-memory.dmp

memory/2276-7-0x0000000000251000-0x00000000002B4000-memory.dmp

memory/2276-6-0x0000000000250000-0x00000000002EE000-memory.dmp

memory/2472-8-0x0000000000180000-0x000000000021E000-memory.dmp

memory/2472-9-0x0000000000180000-0x000000000021E000-memory.dmp

memory/2472-10-0x0000000000180000-0x000000000021E000-memory.dmp

memory/2472-11-0x0000000000180000-0x000000000021E000-memory.dmp

memory/2472-16-0x0000000000180000-0x000000000021E000-memory.dmp