Malware Analysis Report

2025-01-03 05:45

Sample ID 240729-rcc8dswblg
Target 4ad14e30ffc7f8da8721ce65f071d390_JaffaCakes118
SHA256 65bb730709c67bc6d01a544e222b60104159c4a2bed36718f49b84820da54a9b
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

65bb730709c67bc6d01a544e222b60104159c4a2bed36718f49b84820da54a9b

Threat Level: Known bad

The file 4ad14e30ffc7f8da8721ce65f071d390_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 14:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 14:02

Reported

2024-07-29 21:14

Platform

win7-20240729-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ad14e30ffc7f8da8721ce65f071d390_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\propsys\nlhtml.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\propsys\nlhtml.exe C:\Users\Admin\AppData\Local\Temp\4ad14e30ffc7f8da8721ce65f071d390_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\4ad14e30ffc7f8da8721ce65f071d390_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\propsys\nlhtml.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\propsys\nlhtml.exe N/A
N/A N/A C:\Windows\SysWOW64\propsys\nlhtml.exe N/A
N/A N/A C:\Windows\SysWOW64\propsys\nlhtml.exe N/A
N/A N/A C:\Windows\SysWOW64\propsys\nlhtml.exe N/A
N/A N/A C:\Windows\SysWOW64\propsys\nlhtml.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4ad14e30ffc7f8da8721ce65f071d390_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4ad14e30ffc7f8da8721ce65f071d390_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4ad14e30ffc7f8da8721ce65f071d390_JaffaCakes118.exe"

C:\Windows\SysWOW64\propsys\nlhtml.exe

"C:\Windows\SysWOW64\propsys\nlhtml.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/2876-4-0x0000000000250000-0x0000000000260000-memory.dmp

memory/2876-7-0x0000000000020000-0x000000000002F000-memory.dmp

memory/2876-0-0x0000000000230000-0x0000000000242000-memory.dmp

C:\Windows\SysWOW64\propsys\nlhtml.exe

MD5 4ad14e30ffc7f8da8721ce65f071d390
SHA1 555abf5b827a524daf0075be5e3802fac128ba1a
SHA256 65bb730709c67bc6d01a544e222b60104159c4a2bed36718f49b84820da54a9b
SHA512 39e4c94890ce534e86a7eb63b4a0ff4d947936bad5bf917996795172a638c3e080bf6d37112a44b02ad5439bc485a609caed233e8ed261811ad65ed1b7e798ba

memory/2876-8-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2296-14-0x0000000000030000-0x0000000000040000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 14:02

Reported

2024-07-29 21:12

Platform

win10v2004-20240709-en

Max time kernel

143s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ad14e30ffc7f8da8721ce65f071d390_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\4ad14e30ffc7f8da8721ce65f071d390_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4ad14e30ffc7f8da8721ce65f071d390_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4ad14e30ffc7f8da8721ce65f071d390_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 128.92.203.42:80 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
FR 37.187.161.206:8080 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
TH 202.29.239.162:443 tcp
RU 80.87.201.221:7080 tcp
US 8.8.8.8:53 43.229.111.52.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 10.28.171.150.in-addr.arpa udp
AR 190.188.245.242:80 tcp
US 12.163.208.58:80 tcp

Files

memory/2204-0-0x00000000005A0000-0x00000000005B2000-memory.dmp

memory/2204-4-0x00000000005C0000-0x00000000005D0000-memory.dmp

memory/2204-7-0x0000000000500000-0x000000000050F000-memory.dmp