Malware Analysis Report

2024-09-22 22:18

Sample ID 240615-mrebsa1drl
Target ae09a15ed506f1b6a36c5583d109f3ec_JaffaCakes118
SHA256 6bdce85211558a86ab6de35a7ee863529734c41dcbfbd2b0e3a6ae5d48a14584
Tags
emotet epoch1 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

6bdce85211558a86ab6de35a7ee863529734c41dcbfbd2b0e3a6ae5d48a14584

Threat Level: Known bad

The file ae09a15ed506f1b6a36c5583d109f3ec_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker trojan

Emotet

Emotet payload

Executes dropped EXE

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-15 10:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 10:41

Reported

2024-06-15 10:44

Platform

win7-20240611-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ae09a15ed506f1b6a36c5583d109f3ec_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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\KBDMLT47\api-ms-win-core-file-l2-1-0.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\KBDMLT47\api-ms-win-core-file-l2-1-0.exe C:\Users\Admin\AppData\Local\Temp\ae09a15ed506f1b6a36c5583d109f3ec_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\ae09a15ed506f1b6a36c5583d109f3ec_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ae09a15ed506f1b6a36c5583d109f3ec_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ae09a15ed506f1b6a36c5583d109f3ec_JaffaCakes118.exe"

C:\Windows\SysWOW64\KBDMLT47\api-ms-win-core-file-l2-1-0.exe

"C:\Windows\SysWOW64\KBDMLT47\api-ms-win-core-file-l2-1-0.exe"

Network

Country Destination Domain Proto
AU 202.22.141.45:80 tcp
AU 202.22.141.45:80 tcp
FR 37.187.161.206:8080 tcp
FR 37.187.161.206:8080 tcp
TH 202.29.239.162:443 tcp
TH 202.29.239.162:443 tcp

Files

memory/2368-4-0x0000000000270000-0x0000000000280000-memory.dmp

memory/2368-7-0x0000000000230000-0x000000000023F000-memory.dmp

memory/2368-0-0x0000000000250000-0x0000000000262000-memory.dmp

C:\Windows\SysWOW64\KBDMLT47\api-ms-win-core-file-l2-1-0.exe

MD5 ae09a15ed506f1b6a36c5583d109f3ec
SHA1 c3545218a00219bf191f2ad6cd80f45a4274b2bd
SHA256 6bdce85211558a86ab6de35a7ee863529734c41dcbfbd2b0e3a6ae5d48a14584
SHA512 1e6a3e5699b3c80436cfd783cd9c91e2e98121f8e1880ae2b88e4259255c625782b357dd1b7284f249a7050fc009797e53565b4a7018f2002397de83fc9c8025

memory/2368-9-0x0000000000400000-0x00000000004AC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 10:41

Reported

2024-06-15 10:44

Platform

win10v2004-20240611-en

Max time kernel

132s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ae09a15ed506f1b6a36c5583d109f3ec_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\bcryptprimitives\AppInstallerPrompt.Desktop.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\bcryptprimitives\AppInstallerPrompt.Desktop.exe C:\Users\Admin\AppData\Local\Temp\ae09a15ed506f1b6a36c5583d109f3ec_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\ae09a15ed506f1b6a36c5583d109f3ec_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ae09a15ed506f1b6a36c5583d109f3ec_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ae09a15ed506f1b6a36c5583d109f3ec_JaffaCakes118.exe"

C:\Windows\SysWOW64\bcryptprimitives\AppInstallerPrompt.Desktop.exe

"C:\Windows\SysWOW64\bcryptprimitives\AppInstallerPrompt.Desktop.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 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
AU 202.22.141.45:80 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 57.15.31.184.in-addr.arpa udp
FR 37.187.161.206:8080 tcp
TH 202.29.239.162:443 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
RU 80.87.201.221:7080 tcp
RO 82.76.111.249:443 tcp
US 216.47.196.104:80 tcp

Files

memory/5100-0-0x0000000000570000-0x0000000000582000-memory.dmp

memory/5100-4-0x0000000002100000-0x0000000002110000-memory.dmp

memory/5100-7-0x0000000000550000-0x000000000055F000-memory.dmp

C:\Windows\SysWOW64\bcryptprimitives\AppInstallerPrompt.Desktop.exe

MD5 ae09a15ed506f1b6a36c5583d109f3ec
SHA1 c3545218a00219bf191f2ad6cd80f45a4274b2bd
SHA256 6bdce85211558a86ab6de35a7ee863529734c41dcbfbd2b0e3a6ae5d48a14584
SHA512 1e6a3e5699b3c80436cfd783cd9c91e2e98121f8e1880ae2b88e4259255c625782b357dd1b7284f249a7050fc009797e53565b4a7018f2002397de83fc9c8025

memory/5100-9-0x0000000000400000-0x00000000004AC000-memory.dmp

memory/2484-14-0x0000000000760000-0x0000000000770000-memory.dmp

memory/2484-10-0x0000000000740000-0x0000000000752000-memory.dmp