Malware Analysis Report

2025-01-03 06:14

Sample ID 240523-b8yk7shc7t
Target 6957fc973e45d6362c9508297840332c_JaffaCakes118
SHA256 c4eaf6517322d8c67f083aae15ca5c62c04c2ea8bc375b672a610fee1cc8cec4
Tags
emotet banker 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

c4eaf6517322d8c67f083aae15ca5c62c04c2ea8bc375b672a610fee1cc8cec4

Threat Level: Known bad

The file 6957fc973e45d6362c9508297840332c_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-23 01:49

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-23 01:49

Reported

2024-05-23 01:52

Platform

win7-20240220-en

Max time kernel

130s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6957fc973e45d6362c9508297840332c_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat C:\Windows\SysWOW64\zipstarted.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-f5-59-c3-5e-8f\WpadDecision = "0" C:\Windows\SysWOW64\zipstarted.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\zipstarted.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\zipstarted.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\zipstarted.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{816325EA-B4ED-4F88-9052-9BA16F58EBF2}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\zipstarted.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{816325EA-B4ED-4F88-9052-9BA16F58EBF2}\6a-f5-59-c3-5e-8f C:\Windows\SysWOW64\zipstarted.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-f5-59-c3-5e-8f\WpadDecisionReason = "1" C:\Windows\SysWOW64\zipstarted.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\zipstarted.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\zipstarted.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\zipstarted.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0138000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\zipstarted.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-f5-59-c3-5e-8f C:\Windows\SysWOW64\zipstarted.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{816325EA-B4ED-4F88-9052-9BA16F58EBF2} C:\Windows\SysWOW64\zipstarted.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{816325EA-B4ED-4F88-9052-9BA16F58EBF2}\WpadDecision = "0" C:\Windows\SysWOW64\zipstarted.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-f5-59-c3-5e-8f\WpadDecisionTime = 70a6c082b3acda01 C:\Windows\SysWOW64\zipstarted.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\zipstarted.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{816325EA-B4ED-4F88-9052-9BA16F58EBF2}\WpadDecisionReason = "1" C:\Windows\SysWOW64\zipstarted.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{816325EA-B4ED-4F88-9052-9BA16F58EBF2}\WpadDecisionTime = 70a6c082b3acda01 C:\Windows\SysWOW64\zipstarted.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6957fc973e45d6362c9508297840332c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6957fc973e45d6362c9508297840332c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6957fc973e45d6362c9508297840332c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6957fc973e45d6362c9508297840332c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6957fc973e45d6362c9508297840332c_JaffaCakes118.exe"

C:\Windows\SysWOW64\zipstarted.exe

"C:\Windows\SysWOW64\zipstarted.exe"

C:\Windows\SysWOW64\zipstarted.exe

"C:\Windows\SysWOW64\zipstarted.exe"

Network

Country Destination Domain Proto
US 70.184.86.103:8080 tcp
US 70.184.86.103:8080 tcp
US 63.227.80.10:8080 tcp
US 63.227.80.10:8080 tcp
US 76.113.130.72:8090 tcp
US 76.113.130.72:8090 tcp

Files

memory/2820-0-0x0000000000290000-0x00000000002AA000-memory.dmp

memory/2836-11-0x0000000000120000-0x000000000013A000-memory.dmp

memory/2836-10-0x0000000000160000-0x0000000000178000-memory.dmp

memory/2820-9-0x00000000002B0000-0x00000000002C8000-memory.dmp

memory/2820-8-0x0000000000160000-0x000000000017A000-memory.dmp

memory/2836-4-0x0000000000140000-0x000000000015A000-memory.dmp

memory/1404-13-0x00000000002D0000-0x00000000002EA000-memory.dmp

memory/1404-17-0x00000000002F0000-0x0000000000308000-memory.dmp

memory/1404-16-0x0000000000120000-0x000000000013A000-memory.dmp

memory/1620-18-0x0000000000200000-0x000000000021A000-memory.dmp

memory/2836-22-0x00000000003C0000-0x00000000003E3000-memory.dmp

memory/2836-23-0x0000000000120000-0x000000000013A000-memory.dmp

memory/1620-25-0x0000000000220000-0x0000000000238000-memory.dmp

memory/1620-24-0x00000000001E0000-0x00000000001FA000-memory.dmp

memory/2820-26-0x00000000002B0000-0x00000000002C8000-memory.dmp

memory/1620-27-0x00000000001E0000-0x00000000001FA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-23 01:49

Reported

2024-05-23 01:52

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6957fc973e45d6362c9508297840332c_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6957fc973e45d6362c9508297840332c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6957fc973e45d6362c9508297840332c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6957fc973e45d6362c9508297840332c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6957fc973e45d6362c9508297840332c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6957fc973e45d6362c9508297840332c_JaffaCakes118.exe"

C:\Windows\SysWOW64\startedmetagen.exe

"C:\Windows\SysWOW64\startedmetagen.exe"

C:\Windows\SysWOW64\startedmetagen.exe

"C:\Windows\SysWOW64\startedmetagen.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 70.184.86.103:8080 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 63.227.80.10:8080 tcp
US 76.113.130.72:8090 tcp
MX 189.236.235.73:80 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 50.245.173.58:80 tcp
US 104.228.227.210:80 tcp
US 24.155.49.236:8080 tcp

Files

memory/3152-0-0x0000000002B80000-0x0000000002B9A000-memory.dmp

memory/3152-4-0x0000000002B60000-0x0000000002B7A000-memory.dmp

memory/3688-6-0x0000000002D00000-0x0000000002D1A000-memory.dmp

memory/3688-11-0x0000000002D20000-0x0000000002D38000-memory.dmp

memory/3688-10-0x0000000002CE0000-0x0000000002CFA000-memory.dmp

memory/3152-5-0x0000000002BA0000-0x0000000002BB8000-memory.dmp

memory/3324-17-0x00000000016A0000-0x00000000016B8000-memory.dmp

memory/3324-16-0x0000000001660000-0x000000000167A000-memory.dmp

memory/3324-12-0x0000000001680000-0x000000000169A000-memory.dmp

memory/3960-18-0x0000000001AB0000-0x0000000001ACA000-memory.dmp

memory/3960-23-0x0000000001AD0000-0x0000000001AE8000-memory.dmp

memory/3960-22-0x0000000001A90000-0x0000000001AAA000-memory.dmp

memory/3688-25-0x0000000002CE0000-0x0000000002CFA000-memory.dmp

memory/3688-24-0x0000000000650000-0x0000000000673000-memory.dmp

memory/3960-26-0x0000000001A90000-0x0000000001AAA000-memory.dmp