Malware Analysis Report

2024-09-22 22:08

Sample ID 240615-1t3daawcpg
Target b04c4de5b8480b1816e4bd22d0640f3f_JaffaCakes118
SHA256 8d08e0cc874e7464bc51e6a9a4582ae07a485356eac090e7062436de67fd57c6
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

8d08e0cc874e7464bc51e6a9a4582ae07a485356eac090e7062436de67fd57c6

Threat Level: Known bad

The file b04c4de5b8480b1816e4bd22d0640f3f_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 use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-15 21:57

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 21:57

Reported

2024-06-15 21:59

Platform

win7-20240611-en

Max time kernel

148s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b04c4de5b8480b1816e4bd22d0640f3f_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\clfsw32\wcncsvc.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\clfsw32\wcncsvc.exe C:\Users\Admin\AppData\Local\Temp\b04c4de5b8480b1816e4bd22d0640f3f_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\b04c4de5b8480b1816e4bd22d0640f3f_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b04c4de5b8480b1816e4bd22d0640f3f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b04c4de5b8480b1816e4bd22d0640f3f_JaffaCakes118.exe"

C:\Windows\SysWOW64\clfsw32\wcncsvc.exe

"C:\Windows\SysWOW64\clfsw32\wcncsvc.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/1832-7-0x0000000000230000-0x000000000023F000-memory.dmp

memory/1832-4-0x0000000000270000-0x0000000000280000-memory.dmp

memory/1832-0-0x0000000000250000-0x0000000000262000-memory.dmp

C:\Windows\SysWOW64\clfsw32\wcncsvc.exe

MD5 b04c4de5b8480b1816e4bd22d0640f3f
SHA1 e0f1668ba748368156f32a4ead56633d235e6c77
SHA256 8d08e0cc874e7464bc51e6a9a4582ae07a485356eac090e7062436de67fd57c6
SHA512 71f8072010c66bfcdfbb689469e02e0b57886569862a6165fe318be7e845ab57710353145241c95418bd0e66bec697bf16bd3550dcbac9287fe78ecb27047996

memory/1832-9-0x0000000000400000-0x00000000004AC000-memory.dmp

memory/2628-14-0x00000000001E0000-0x00000000001F0000-memory.dmp

memory/2628-10-0x0000000000270000-0x0000000000282000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 21:57

Reported

2024-06-15 21:59

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b04c4de5b8480b1816e4bd22d0640f3f_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

Executes dropped EXE

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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\AzSqlExt\AppContracts.exe C:\Users\Admin\AppData\Local\Temp\b04c4de5b8480b1816e4bd22d0640f3f_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\b04c4de5b8480b1816e4bd22d0640f3f_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b04c4de5b8480b1816e4bd22d0640f3f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b04c4de5b8480b1816e4bd22d0640f3f_JaffaCakes118.exe"

C:\Windows\SysWOW64\AzSqlExt\AppContracts.exe

"C:\Windows\SysWOW64\AzSqlExt\AppContracts.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
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
BE 88.221.83.184:443 www.bing.com tcp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 184.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
AU 202.22.141.45:80 tcp
US 8.8.8.8:53 131.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 21.121.18.2.in-addr.arpa udp
FR 37.187.161.206:8080 tcp
TH 202.29.239.162:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 80.87.201.221:7080 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
RO 82.76.111.249:443 tcp
US 216.47.196.104:80 tcp
US 8.8.8.8:53 208.143.182.52.in-addr.arpa udp

Files

memory/4640-4-0x0000000000660000-0x0000000000670000-memory.dmp

memory/4640-0-0x0000000000640000-0x0000000000652000-memory.dmp

memory/4640-7-0x0000000000620000-0x000000000062F000-memory.dmp

C:\Windows\SysWOW64\AzSqlExt\AppContracts.exe

MD5 b04c4de5b8480b1816e4bd22d0640f3f
SHA1 e0f1668ba748368156f32a4ead56633d235e6c77
SHA256 8d08e0cc874e7464bc51e6a9a4582ae07a485356eac090e7062436de67fd57c6
SHA512 71f8072010c66bfcdfbb689469e02e0b57886569862a6165fe318be7e845ab57710353145241c95418bd0e66bec697bf16bd3550dcbac9287fe78ecb27047996

memory/4640-9-0x0000000000400000-0x00000000004AC000-memory.dmp

memory/4076-14-0x0000000002040000-0x0000000002050000-memory.dmp