Malware Analysis Report

2024-09-22 22:22

Sample ID 240615-cmkb5awbnf
Target ac8c91310bc81d678b27167c437ad59a_JaffaCakes118
SHA256 2f9c449c136263383ded891f8b0e7a761ae46bdc25bdad87300d7ed6d3184172
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

2f9c449c136263383ded891f8b0e7a761ae46bdc25bdad87300d7ed6d3184172

Threat Level: Known bad

The file ac8c91310bc81d678b27167c437ad59a_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 02:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 02:11

Reported

2024-06-15 02:14

Platform

win7-20240611-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ac8c91310bc81d678b27167c437ad59a_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\cic\wavemsp.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\cic\wavemsp.exe C:\Users\Admin\AppData\Local\Temp\ac8c91310bc81d678b27167c437ad59a_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cic\wavemsp.exe N/A
N/A N/A C:\Windows\SysWOW64\cic\wavemsp.exe N/A
N/A N/A C:\Windows\SysWOW64\cic\wavemsp.exe N/A
N/A N/A C:\Windows\SysWOW64\cic\wavemsp.exe N/A
N/A N/A C:\Windows\SysWOW64\cic\wavemsp.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ac8c91310bc81d678b27167c437ad59a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ac8c91310bc81d678b27167c437ad59a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ac8c91310bc81d678b27167c437ad59a_JaffaCakes118.exe"

C:\Windows\SysWOW64\cic\wavemsp.exe

"C:\Windows\SysWOW64\cic\wavemsp.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/2976-0-0x0000000000250000-0x0000000000262000-memory.dmp

memory/2976-4-0x0000000000270000-0x0000000000280000-memory.dmp

memory/2976-7-0x0000000000230000-0x000000000023F000-memory.dmp

C:\Windows\SysWOW64\cic\wavemsp.exe

MD5 ac8c91310bc81d678b27167c437ad59a
SHA1 3cd904a0f7081a778367e46d49939c1682f75290
SHA256 2f9c449c136263383ded891f8b0e7a761ae46bdc25bdad87300d7ed6d3184172
SHA512 9bbab54a9538b2d418ddbfa5802618d4b6d70791d1a91c18d1988665537d49912986eb8fb1df17649c95ae68096f04d694279eff47d710b0608a2829dfdda8f6

memory/2976-9-0x0000000000400000-0x00000000004AC000-memory.dmp

memory/2980-14-0x00000000002F0000-0x0000000000300000-memory.dmp

memory/2980-10-0x00000000002D0000-0x00000000002E2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 02:11

Reported

2024-06-15 02:14

Platform

win10v2004-20240611-en

Max time kernel

135s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ac8c91310bc81d678b27167c437ad59a_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\RdpSaPs\sethc.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\RdpSaPs\sethc.exe C:\Users\Admin\AppData\Local\Temp\ac8c91310bc81d678b27167c437ad59a_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\ac8c91310bc81d678b27167c437ad59a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ac8c91310bc81d678b27167c437ad59a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ac8c91310bc81d678b27167c437ad59a_JaffaCakes118.exe"

C:\Windows\SysWOW64\RdpSaPs\sethc.exe

"C:\Windows\SysWOW64\RdpSaPs\sethc.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4236,i,1400471177590024469,587385956640537806,262144 --variations-seed-version --mojo-platform-channel-handle=4152 /prefetch:8

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 64.159.190.20.in-addr.arpa udp
BE 2.17.107.105:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 105.107.17.2.in-addr.arpa udp
US 13.107.42.16:443 tcp
AU 202.22.141.45:80 tcp
US 13.107.42.16:443 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.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
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
TH 202.29.239.162:443 tcp
RU 80.87.201.221:7080 tcp
US 8.8.8.8:53 11.173.189.20.in-addr.arpa udp
RO 82.76.111.249:443 tcp
US 216.47.196.104:80 tcp

Files

memory/3836-0-0x00000000020E0000-0x00000000020F2000-memory.dmp

memory/3836-4-0x0000000002100000-0x0000000002110000-memory.dmp

memory/3836-7-0x0000000000500000-0x000000000050F000-memory.dmp

C:\Windows\SysWOW64\RdpSaPs\sethc.exe

MD5 ac8c91310bc81d678b27167c437ad59a
SHA1 3cd904a0f7081a778367e46d49939c1682f75290
SHA256 2f9c449c136263383ded891f8b0e7a761ae46bdc25bdad87300d7ed6d3184172
SHA512 9bbab54a9538b2d418ddbfa5802618d4b6d70791d1a91c18d1988665537d49912986eb8fb1df17649c95ae68096f04d694279eff47d710b0608a2829dfdda8f6

memory/3836-9-0x0000000000400000-0x00000000004AC000-memory.dmp

memory/4688-14-0x0000000000630000-0x0000000000640000-memory.dmp

memory/4688-10-0x0000000000790000-0x00000000007A2000-memory.dmp