Malware Analysis Report

2024-10-18 21:14

Sample ID 240710-bvqcnsyakk
Target 32c85e158a6fe7a1c91b1cf38757ece1_JaffaCakes118
SHA256 0127201525dbf2625539ceb0fec573b86060d261527d7ee918a1d9eebf1e3fed
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: 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

0127201525dbf2625539ceb0fec573b86060d261527d7ee918a1d9eebf1e3fed

Threat Level: Known bad

The file 32c85e158a6fe7a1c91b1cf38757ece1_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 behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-10 01:28

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-10 01:28

Reported

2024-07-10 01:43

Platform

win7-20240704-en

Max time kernel

149s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\32c85e158a6fe7a1c91b1cf38757ece1_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\Bcquydrx\kubrcma.vsj 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 2004 wrote to memory of 1804 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 1804 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 1804 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 1804 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 1804 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 1804 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 1804 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1804 wrote to memory of 3048 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1804 wrote to memory of 3048 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1804 wrote to memory of 3048 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1804 wrote to memory of 3048 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1804 wrote to memory of 3048 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1804 wrote to memory of 3048 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1804 wrote to memory of 3048 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3048 wrote to memory of 2276 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3048 wrote to memory of 2276 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3048 wrote to memory of 2276 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3048 wrote to memory of 2276 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3048 wrote to memory of 2276 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3048 wrote to memory of 2276 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3048 wrote to memory of 2276 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\32c85e158a6fe7a1c91b1cf38757ece1_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\32c85e158a6fe7a1c91b1cf38757ece1_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Bcquydrx\kubrcma.vsj",afDx

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Bcquydrx\kubrcma.vsj",#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/1804-0-0x00000000007F0000-0x000000000088E000-memory.dmp

memory/1804-2-0x00000000007F1000-0x0000000000854000-memory.dmp

memory/1804-1-0x00000000002A0000-0x00000000002C7000-memory.dmp

memory/1804-3-0x00000000007F0000-0x000000000088E000-memory.dmp

memory/1804-4-0x00000000007F1000-0x0000000000854000-memory.dmp

memory/3048-5-0x0000000000700000-0x000000000079E000-memory.dmp

memory/3048-6-0x0000000000700000-0x000000000079E000-memory.dmp

memory/3048-7-0x0000000000701000-0x0000000000764000-memory.dmp

memory/2276-8-0x0000000000990000-0x0000000000A2E000-memory.dmp

memory/2276-9-0x0000000000991000-0x00000000009F4000-memory.dmp

memory/2276-10-0x0000000000990000-0x0000000000A2E000-memory.dmp

memory/2276-12-0x0000000000991000-0x00000000009F4000-memory.dmp

memory/2276-16-0x0000000000990000-0x0000000000A2E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-10 01:28

Reported

2024-07-10 01:42

Platform

win10v2004-20240704-en

Max time kernel

147s

Max time network

153s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\32c85e158a6fe7a1c91b1cf38757ece1_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\Axhpxoxojggmihj\czxfzjrzrzyflr.uob 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\32c85e158a6fe7a1c91b1cf38757ece1_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\32c85e158a6fe7a1c91b1cf38757ece1_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Axhpxoxojggmihj\czxfzjrzrzyflr.uob",tgoMuXdkbr

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Axhpxoxojggmihj\czxfzjrzrzyflr.uob",#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
RO 84.232.229.24:80 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
FR 51.255.203.164:8080 tcp
DE 217.160.169.110:8080 tcp
ES 185.183.16.47:80 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
CL 190.45.24.210:80 tcp
MX 187.162.248.237:80 tcp

Files

memory/1892-0-0x0000000002950000-0x0000000002977000-memory.dmp

memory/1892-1-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1892-2-0x0000000000400000-0x000000000049E000-memory.dmp

memory/1892-3-0x0000000000400000-0x0000000000424000-memory.dmp

C:\Windows\SysWOW64\Axhpxoxojggmihj\czxfzjrzrzyflr.uob

MD5 32c85e158a6fe7a1c91b1cf38757ece1
SHA1 998a58bb4c53dab0543895477798cf00160a9e2a
SHA256 0127201525dbf2625539ceb0fec573b86060d261527d7ee918a1d9eebf1e3fed
SHA512 24bddcfbcfa268d4c4da606df509590734ebb4de939467b2ced317ca24e6aad3ec2e7dbd192e2f78f0bb04d3c4fa762a1a4f1a87a9cb4590752c180356443757

memory/3956-6-0x0000000000400000-0x000000000049E000-memory.dmp

memory/3956-5-0x0000000000400000-0x000000000049E000-memory.dmp

memory/3956-8-0x0000000000400000-0x000000000049E000-memory.dmp

memory/3364-10-0x0000000000400000-0x000000000049E000-memory.dmp

memory/3364-11-0x0000000000400000-0x000000000049E000-memory.dmp

memory/3364-13-0x0000000000400000-0x000000000049E000-memory.dmp