Malware Analysis Report

2024-09-22 22:45

Sample ID 240616-23xptswhmm
Target b5a9129fe70d19bdaca59883ad0ade88_JaffaCakes118
SHA256 d8f71534f9e81859263895eed078d91621a6e6f08483175ee9832d974f630f23
Tags
emotet epoch3 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

d8f71534f9e81859263895eed078d91621a6e6f08483175ee9832d974f630f23

Threat Level: Known bad

The file b5a9129fe70d19bdaca59883ad0ade88_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Emotet payload

Executes dropped EXE

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-16 23:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 23:06

Reported

2024-06-16 23:09

Platform

win7-20240611-en

Max time kernel

130s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b5a9129fe70d19bdaca59883ad0ade88_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\KBDYAK\api-ms-win-crt-conio-l1-1-0.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\KBDYAK\api-ms-win-crt-conio-l1-1-0.exe C:\Users\Admin\AppData\Local\Temp\b5a9129fe70d19bdaca59883ad0ade88_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\b5a9129fe70d19bdaca59883ad0ade88_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b5a9129fe70d19bdaca59883ad0ade88_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b5a9129fe70d19bdaca59883ad0ade88_JaffaCakes118.exe"

C:\Windows\SysWOW64\KBDYAK\api-ms-win-crt-conio-l1-1-0.exe

"C:\Windows\SysWOW64\KBDYAK\api-ms-win-crt-conio-l1-1-0.exe"

Network

Country Destination Domain Proto
JP 116.91.240.96:80 tcp
JP 116.91.240.96:80 tcp
IN 167.71.227.113:8080 tcp
IN 167.71.227.113:8080 tcp
CO 190.85.46.52:7080 tcp
CO 190.85.46.52:7080 tcp
US 162.144.42.60:8080 tcp
US 162.144.42.60:8080 tcp

Files

memory/2124-4-0x00000000003F0000-0x0000000000400000-memory.dmp

memory/2124-0-0x00000000003D0000-0x00000000003E2000-memory.dmp

memory/2124-7-0x00000000002C0000-0x00000000002CF000-memory.dmp

C:\Windows\SysWOW64\KBDYAK\api-ms-win-crt-conio-l1-1-0.exe

MD5 b5a9129fe70d19bdaca59883ad0ade88
SHA1 ce8a775f07a1d13d2cd314e2489d8fb6e93db9db
SHA256 d8f71534f9e81859263895eed078d91621a6e6f08483175ee9832d974f630f23
SHA512 5f8bcf3c94b622b031a650baec63c0b9317c1ff39f6a418f766a31eb9f4b167f05ff0c15d22d9c597f5abbfc1e2647dacb3a676e89d67d758a31b71544840062

memory/2124-9-0x0000000000400000-0x00000000004AC000-memory.dmp

memory/2656-14-0x0000000000290000-0x00000000002A0000-memory.dmp

memory/2656-10-0x0000000000270000-0x0000000000282000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 23:06

Reported

2024-06-16 23:09

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b5a9129fe70d19bdaca59883ad0ade88_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\b5a9129fe70d19bdaca59883ad0ade88_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b5a9129fe70d19bdaca59883ad0ade88_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b5a9129fe70d19bdaca59883ad0ade88_JaffaCakes118.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 --no-appcompat-clear --field-trial-handle=3740,i,3724086843943218842,1026644135694712596,262144 --variations-seed-version --mojo-platform-channel-handle=3252 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
JP 116.91.240.96:80 tcp
IN 167.71.227.113:8080 tcp
CO 190.85.46.52:7080 tcp
US 162.144.42.60:8080 tcp
PK 202.166.170.43:80 tcp
FI 95.216.205.155:8080 tcp

Files

memory/4484-4-0x0000000002130000-0x0000000002140000-memory.dmp

memory/4484-7-0x0000000002100000-0x000000000210F000-memory.dmp

memory/4484-0-0x0000000002110000-0x0000000002122000-memory.dmp