Malware Analysis Report

2025-01-03 05:44

Sample ID 240729-ydz7waxaml
Target 5bcec6f07da029c91c047004192af29e_JaffaCakes118
SHA256 9f36b520e13f7b1766f25c09238a6358642dc2d3bb20483d6f278e59af3fbaca
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

9f36b520e13f7b1766f25c09238a6358642dc2d3bb20483d6f278e59af3fbaca

Threat Level: Known bad

The file 5bcec6f07da029c91c047004192af29e_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

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 19:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 19:40

Reported

2024-07-29 21:42

Platform

win7-20240729-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5bcec6f07da029c91c047004192af29e_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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\mscandui\occache.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\mscandui\occache.exe C:\Users\Admin\AppData\Local\Temp\5bcec6f07da029c91c047004192af29e_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\5bcec6f07da029c91c047004192af29e_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mscandui\occache.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5bcec6f07da029c91c047004192af29e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5bcec6f07da029c91c047004192af29e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5bcec6f07da029c91c047004192af29e_JaffaCakes118.exe"

C:\Windows\SysWOW64\mscandui\occache.exe

"C:\Windows\SysWOW64\mscandui\occache.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/300-7-0x0000000000020000-0x000000000002F000-memory.dmp

memory/300-4-0x0000000000030000-0x0000000000040000-memory.dmp

memory/300-0-0x0000000000220000-0x0000000000232000-memory.dmp

C:\Windows\SysWOW64\mscandui\occache.exe

MD5 5bcec6f07da029c91c047004192af29e
SHA1 106663bad8ce4fc1d1a4f65c11d34e48bd7c1466
SHA256 9f36b520e13f7b1766f25c09238a6358642dc2d3bb20483d6f278e59af3fbaca
SHA512 f1b0ae44e26da20f09504a6dc30b5d60d3dc97d63b01b334d270c7c70cbb505d93d6c196c0e2347f9ce12c69455a9b161aabfbd66a302bd0df047d6275a219f2

memory/300-8-0x0000000000400000-0x0000000000436000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 19:40

Reported

2024-07-29 21:40

Platform

win10v2004-20240709-en

Max time kernel

143s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5bcec6f07da029c91c047004192af29e_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\5bcec6f07da029c91c047004192af29e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5bcec6f07da029c91c047004192af29e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5bcec6f07da029c91c047004192af29e_JaffaCakes118.exe"

Network

Country Destination Domain Proto
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 tse1.mm.bing.net udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 36.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 128.92.203.42:80 tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.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
TH 202.29.239.162:443 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
RU 80.87.201.221:7080 tcp
US 8.8.8.8:53 14.227.111.52.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
AR 190.188.245.242:80 tcp
US 12.163.208.58:80 tcp
US 8.8.8.8:53 25.73.42.20.in-addr.arpa udp

Files

memory/4196-4-0x00000000008D0000-0x00000000008E0000-memory.dmp

memory/4196-7-0x0000000000690000-0x000000000069F000-memory.dmp

memory/4196-3-0x00000000008A0000-0x00000000008B2000-memory.dmp