Malware Analysis Report

2025-01-03 05:45

Sample ID 240729-xyvbpazdqb
Target 5ab40381b3bf2d9507de6ca19eb0a899_JaffaCakes118
SHA256 c0ceed142f4b2fa4cabf755a0da5803170b98b28f739085c8c2030799c941e70
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

c0ceed142f4b2fa4cabf755a0da5803170b98b28f739085c8c2030799c941e70

Threat Level: Known bad

The file 5ab40381b3bf2d9507de6ca19eb0a899_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

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 19:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 19:16

Reported

2024-07-29 21:03

Platform

win7-20240729-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ab40381b3bf2d9507de6ca19eb0a899_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\srchadmin\ntlanui2.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\srchadmin\ntlanui2.exe C:\Users\Admin\AppData\Local\Temp\5ab40381b3bf2d9507de6ca19eb0a899_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\5ab40381b3bf2d9507de6ca19eb0a899_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\srchadmin\ntlanui2.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\srchadmin\ntlanui2.exe N/A
N/A N/A C:\Windows\SysWOW64\srchadmin\ntlanui2.exe N/A
N/A N/A C:\Windows\SysWOW64\srchadmin\ntlanui2.exe N/A
N/A N/A C:\Windows\SysWOW64\srchadmin\ntlanui2.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5ab40381b3bf2d9507de6ca19eb0a899_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5ab40381b3bf2d9507de6ca19eb0a899_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5ab40381b3bf2d9507de6ca19eb0a899_JaffaCakes118.exe"

C:\Windows\SysWOW64\srchadmin\ntlanui2.exe

"C:\Windows\SysWOW64\srchadmin\ntlanui2.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

Files

memory/2336-0-0x0000000000220000-0x0000000000232000-memory.dmp

memory/2336-7-0x0000000000020000-0x000000000002F000-memory.dmp

memory/2336-4-0x0000000000240000-0x0000000000250000-memory.dmp

C:\Windows\SysWOW64\srchadmin\ntlanui2.exe

MD5 5ab40381b3bf2d9507de6ca19eb0a899
SHA1 54f11428a59a5f1531f0e7601ad6bfe7475d8cef
SHA256 c0ceed142f4b2fa4cabf755a0da5803170b98b28f739085c8c2030799c941e70
SHA512 196cdb8db2ab44bc747d3570dee61f172753ed51b025db754f239bd2e4f737fde890c5656bd71384887a410f79bc8f8c96e7abb0ffd94f22c4b2ab6c94c1be89

memory/2336-9-0x0000000000400000-0x0000000000436000-memory.dmp

memory/3056-14-0x00000000002C0000-0x00000000002D0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 19:16

Reported

2024-07-29 21:00

Platform

win10v2004-20240709-en

Max time kernel

137s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ab40381b3bf2d9507de6ca19eb0a899_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\5ab40381b3bf2d9507de6ca19eb0a899_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5ab40381b3bf2d9507de6ca19eb0a899_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5ab40381b3bf2d9507de6ca19eb0a899_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 22.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 128.92.203.42:80 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 20.58.20.217.in-addr.arpa udp
FR 37.187.161.206:8080 tcp
TH 202.29.239.162:443 tcp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
US 52.111.227.14:443 tcp
RU 80.87.201.221:7080 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
AR 190.188.245.242:80 tcp
US 12.163.208.58:80 tcp

Files

memory/4204-4-0x00000000006C0000-0x00000000006D0000-memory.dmp

memory/4204-7-0x0000000000690000-0x000000000069F000-memory.dmp

memory/4204-0-0x00000000006A0000-0x00000000006B2000-memory.dmp