Malware Analysis Report

2024-09-22 22:22

Sample ID 240615-qqb2tawcrm
Target aea1b39bd0a0d312de4ad62cdbbbc63c_JaffaCakes118
SHA256 a1be2c20d4536950941389cf624af861e1febee68361a8f25b53dd5c1640ee67
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

a1be2c20d4536950941389cf624af861e1febee68361a8f25b53dd5c1640ee67

Threat Level: Known bad

The file aea1b39bd0a0d312de4ad62cdbbbc63c_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 13:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 13:27

Reported

2024-06-15 13:30

Platform

win7-20240611-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aea1b39bd0a0d312de4ad62cdbbbc63c_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\wmerror\taskeng.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\wmerror\taskeng.exe C:\Users\Admin\AppData\Local\Temp\aea1b39bd0a0d312de4ad62cdbbbc63c_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\wmerror\taskeng.exe N/A
N/A N/A C:\Windows\SysWOW64\wmerror\taskeng.exe N/A
N/A N/A C:\Windows\SysWOW64\wmerror\taskeng.exe N/A
N/A N/A C:\Windows\SysWOW64\wmerror\taskeng.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\aea1b39bd0a0d312de4ad62cdbbbc63c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aea1b39bd0a0d312de4ad62cdbbbc63c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aea1b39bd0a0d312de4ad62cdbbbc63c_JaffaCakes118.exe"

C:\Windows\SysWOW64\wmerror\taskeng.exe

"C:\Windows\SysWOW64\wmerror\taskeng.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/2848-0-0x0000000000250000-0x0000000000262000-memory.dmp

memory/2848-7-0x0000000000230000-0x000000000023F000-memory.dmp

memory/2848-4-0x0000000000270000-0x0000000000280000-memory.dmp

memory/2848-8-0x0000000000400000-0x00000000004AC000-memory.dmp

C:\Windows\SysWOW64\wmerror\taskeng.exe

MD5 aea1b39bd0a0d312de4ad62cdbbbc63c
SHA1 4d0ab50bfb0706e1961851661d79ca4b206033a3
SHA256 a1be2c20d4536950941389cf624af861e1febee68361a8f25b53dd5c1640ee67
SHA512 056a2b1da257c8a8de05c6804ed6901a9d92e10689a434a12e78da43d844fcfda243e3bcbe7bed71c5472ced0d181b3465c30ca5781cae7d1acd7803776200c0

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 13:27

Reported

2024-06-15 13:30

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aea1b39bd0a0d312de4ad62cdbbbc63c_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\wiashext\WINSRPC.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\wiashext\WINSRPC.exe C:\Users\Admin\AppData\Local\Temp\aea1b39bd0a0d312de4ad62cdbbbc63c_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\aea1b39bd0a0d312de4ad62cdbbbc63c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aea1b39bd0a0d312de4ad62cdbbbc63c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aea1b39bd0a0d312de4ad62cdbbbc63c_JaffaCakes118.exe"

C:\Windows\SysWOW64\wiashext\WINSRPC.exe

"C:\Windows\SysWOW64\wiashext\WINSRPC.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 216.131.50.23.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
AU 202.22.141.45:80 tcp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
FR 37.187.161.206:8080 tcp
US 8.8.8.8:53 216.107.17.2.in-addr.arpa udp
TH 202.29.239.162:443 tcp
RU 80.87.201.221:7080 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
RO 82.76.111.249:443 tcp
US 216.47.196.104:80 tcp
US 8.8.8.8:53 169.253.116.51.in-addr.arpa udp

Files

memory/4432-0-0x0000000000740000-0x0000000000752000-memory.dmp

memory/4432-4-0x0000000000760000-0x0000000000770000-memory.dmp

memory/4432-7-0x0000000000590000-0x000000000059F000-memory.dmp

C:\Windows\SysWOW64\wiashext\WINSRPC.exe

MD5 aea1b39bd0a0d312de4ad62cdbbbc63c
SHA1 4d0ab50bfb0706e1961851661d79ca4b206033a3
SHA256 a1be2c20d4536950941389cf624af861e1febee68361a8f25b53dd5c1640ee67
SHA512 056a2b1da257c8a8de05c6804ed6901a9d92e10689a434a12e78da43d844fcfda243e3bcbe7bed71c5472ced0d181b3465c30ca5781cae7d1acd7803776200c0

memory/4432-9-0x0000000000400000-0x00000000004AC000-memory.dmp

memory/4748-14-0x0000000000520000-0x0000000000530000-memory.dmp

memory/4748-10-0x00000000005C0000-0x00000000005D2000-memory.dmp