Malware Analysis Report

2024-09-22 22:18

Sample ID 240618-l2akxaydkf
Target bb590898d3b7290762b2976c770b6876_JaffaCakes118
SHA256 a251b3e35c3ea6f4b66d6d9c42c2dd24e69453c941e6e4119fc7ec985834342c
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

a251b3e35c3ea6f4b66d6d9c42c2dd24e69453c941e6e4119fc7ec985834342c

Threat Level: Known bad

The file bb590898d3b7290762b2976c770b6876_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

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-18 10:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-18 10:01

Reported

2024-06-18 10:03

Platform

win7-20240221-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb590898d3b7290762b2976c770b6876_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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb590898d3b7290762b2976c770b6876_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bb590898d3b7290762b2976c770b6876_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bb590898d3b7290762b2976c770b6876_JaffaCakes118.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
RU 80.87.201.221:7080 tcp

Files

memory/2176-7-0x0000000000220000-0x000000000022F000-memory.dmp

memory/2176-4-0x00000000002E0000-0x00000000002F0000-memory.dmp

memory/2176-0-0x00000000002C0000-0x00000000002D2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-18 10:01

Reported

2024-06-18 10:03

Platform

win10v2004-20240611-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb590898d3b7290762b2976c770b6876_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\Windows.Management.Workplace\WMASF.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Windows.Management.Workplace\WMASF.exe C:\Users\Admin\AppData\Local\Temp\bb590898d3b7290762b2976c770b6876_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\bb590898d3b7290762b2976c770b6876_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bb590898d3b7290762b2976c770b6876_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bb590898d3b7290762b2976c770b6876_JaffaCakes118.exe"

C:\Windows\SysWOW64\Windows.Management.Workplace\WMASF.exe

"C:\Windows\SysWOW64\Windows.Management.Workplace\WMASF.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 23.62.61.59:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 59.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 216.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
AU 202.22.141.45:80 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 224.107.17.2.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
RU 80.87.201.221:7080 tcp
RO 82.76.111.249:443 tcp
US 216.47.196.104:80 tcp
US 8.8.8.8:53 udp

Files

memory/3700-0-0x0000000002240000-0x0000000002252000-memory.dmp

memory/3700-7-0x0000000002230000-0x000000000223F000-memory.dmp

memory/3700-4-0x0000000002260000-0x0000000002270000-memory.dmp

C:\Windows\SysWOW64\Windows.Management.Workplace\WMASF.exe

MD5 bb590898d3b7290762b2976c770b6876
SHA1 a6909af74da8ba3ade77e9660618a43f1ee573cd
SHA256 a251b3e35c3ea6f4b66d6d9c42c2dd24e69453c941e6e4119fc7ec985834342c
SHA512 b40ec1db6827e24fc3cd0246b64d5b767a3751836b6d4837885b14f70d080f9ed5784d67804e494a561a26a4adea5f757678863e6412e031b65d309429490f99

memory/3700-9-0x0000000000400000-0x00000000004DB000-memory.dmp

memory/1264-10-0x00000000020D0000-0x00000000020E2000-memory.dmp

memory/1264-14-0x00000000020F0000-0x0000000002100000-memory.dmp