Malware Analysis Report

2025-01-03 05:44

Sample ID 240729-ybb29swhkk
Target 5b937d958b78726534d0ad895918d450_JaffaCakes118
SHA256 464e0704fd36236774bb68d70bf98521a047dd080d402526720609b62cfa1712
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

464e0704fd36236774bb68d70bf98521a047dd080d402526720609b62cfa1712

Threat Level: Known bad

The file 5b937d958b78726534d0ad895918d450_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

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 19:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 19:36

Reported

2024-07-29 21:37

Platform

win7-20240729-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5b937d958b78726534d0ad895918d450_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\FwRemoteSvr\msvcp140_atomic_wait.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\FwRemoteSvr\msvcp140_atomic_wait.exe C:\Users\Admin\AppData\Local\Temp\5b937d958b78726534d0ad895918d450_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\5b937d958b78726534d0ad895918d450_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\FwRemoteSvr\msvcp140_atomic_wait.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5b937d958b78726534d0ad895918d450_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5b937d958b78726534d0ad895918d450_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5b937d958b78726534d0ad895918d450_JaffaCakes118.exe"

C:\Windows\SysWOW64\FwRemoteSvr\msvcp140_atomic_wait.exe

"C:\Windows\SysWOW64\FwRemoteSvr\msvcp140_atomic_wait.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/1056-4-0x0000000000030000-0x0000000000040000-memory.dmp

memory/1056-0-0x0000000000230000-0x0000000000242000-memory.dmp

memory/1056-7-0x0000000000020000-0x000000000002F000-memory.dmp

memory/1056-9-0x0000000000400000-0x0000000000428000-memory.dmp

C:\Windows\SysWOW64\FwRemoteSvr\msvcp140_atomic_wait.exe

MD5 5b937d958b78726534d0ad895918d450
SHA1 fb27171ee8394f11f0a1b010bc62bdf170ec1a0f
SHA256 464e0704fd36236774bb68d70bf98521a047dd080d402526720609b62cfa1712
SHA512 2b48fa3dd8ea16f8b3bba1a3b8c108ed3d5e4d16fc76bd31645b165b0f36b0fe9f32cae9842be5a2f6222d4f41ea6faa0b7a4e729b3011556767b9a2420b5315

memory/812-14-0x0000000000250000-0x0000000000260000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 19:36

Reported

2024-07-29 21:27

Platform

win10v2004-20240709-en

Max time kernel

137s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5b937d958b78726534d0ad895918d450_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\5b937d958b78726534d0ad895918d450_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5b937d958b78726534d0ad895918d450_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5b937d958b78726534d0ad895918d450_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.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 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
FR 37.187.161.206:8080 tcp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
TH 202.29.239.162:443 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
RU 80.87.201.221:7080 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
AR 190.188.245.242:80 tcp
US 12.163.208.58:80 tcp

Files

memory/1232-4-0x0000000000520000-0x0000000000530000-memory.dmp

memory/1232-0-0x00000000008B0000-0x00000000008C2000-memory.dmp

memory/1232-7-0x0000000000510000-0x000000000051F000-memory.dmp