Malware Analysis Report

2025-01-03 05:45

Sample ID 240729-x2kxeszgqc
Target 5ae604543d85105c394b4780e03ebe51_JaffaCakes118
SHA256 60b76ab686121881ed697e50053e9ded787a47c3cb2c5e7ced821481882cb2dd
Tags
emotet epoch1 banker discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

60b76ab686121881ed697e50053e9ded787a47c3cb2c5e7ced821481882cb2dd

Threat Level: Known bad

The file 5ae604543d85105c394b4780e03ebe51_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker discovery trojan

Emotet

Emotet payload

Executes dropped EXE

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 19:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 19:20

Reported

2024-07-29 21:07

Platform

win7-20240708-en

Max time kernel

150s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ae604543d85105c394b4780e03ebe51_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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\5ae604543d85105c394b4780e03ebe51_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5ae604543d85105c394b4780e03ebe51_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5ae604543d85105c394b4780e03ebe51_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 128.92.203.42:80 tcp
US 128.92.203.42:80 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/3020-7-0x0000000000020000-0x000000000002F000-memory.dmp

memory/3020-4-0x0000000000030000-0x0000000000040000-memory.dmp

memory/3020-0-0x0000000000230000-0x0000000000242000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 19:20

Reported

2024-07-29 21:12

Platform

win10v2004-20240729-en

Max time kernel

134s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ae604543d85105c394b4780e03ebe51_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\wdscore\chkdsk.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\wdscore\chkdsk.exe C:\Users\Admin\AppData\Local\Temp\5ae604543d85105c394b4780e03ebe51_JaffaCakes118.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\5ae604543d85105c394b4780e03ebe51_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\wdscore\chkdsk.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5ae604543d85105c394b4780e03ebe51_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5ae604543d85105c394b4780e03ebe51_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5ae604543d85105c394b4780e03ebe51_JaffaCakes118.exe"

C:\Windows\SysWOW64\wdscore\chkdsk.exe

"C:\Windows\SysWOW64\wdscore\chkdsk.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 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 128.92.203.42:80 tcp
FR 37.187.161.206:8080 tcp
TH 202.29.239.162:443 tcp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
RU 80.87.201.221:7080 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
AR 190.188.245.242:80 tcp
US 12.163.208.58:80 tcp

Files

memory/1992-4-0x0000000000680000-0x0000000000690000-memory.dmp

memory/1992-0-0x0000000000550000-0x0000000000562000-memory.dmp

memory/1992-7-0x0000000000540000-0x000000000054F000-memory.dmp

C:\Windows\SysWOW64\wdscore\chkdsk.exe

MD5 5ae604543d85105c394b4780e03ebe51
SHA1 ee794d154923beb1a9ffa4a8ae006ba3c51d7080
SHA256 60b76ab686121881ed697e50053e9ded787a47c3cb2c5e7ced821481882cb2dd
SHA512 bd4e2348a8b233ca7190c8d87773dafb9ce09484b987907235c6fa3ac278c138d00ceb2a5db1c0bc4e5665d3725ce1a0cd1338622dfed5d7f3c6d2b6cbe953c5

memory/1936-13-0x0000000000560000-0x0000000000570000-memory.dmp

memory/1936-9-0x0000000000540000-0x0000000000552000-memory.dmp

memory/1992-16-0x0000000000400000-0x0000000000428000-memory.dmp