Malware Analysis Report

2025-01-03 06:13

Sample ID 240522-wp7pzsbc6y
Target 6823e6e9a4321cfda0767502921358e3_JaffaCakes118
SHA256 63b0ecc943fce32c509e12af374918b7d0c9c65663f5b2e100facc2faee1dc81
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

63b0ecc943fce32c509e12af374918b7d0c9c65663f5b2e100facc2faee1dc81

Threat Level: Known bad

The file 6823e6e9a4321cfda0767502921358e3_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-22 18:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 18:06

Reported

2024-05-22 18:09

Platform

win7-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6823e6e9a4321cfda0767502921358e3_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\monjpnecho.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\ea-1e-7e-b5-6b-35\WpadDecision = "0" C:\Windows\SysWOW64\monjpnecho.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-1e-7e-b5-6b-35\WpadDetectedUrl C:\Windows\SysWOW64\monjpnecho.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\monjpnecho.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{ADE1A363-6505-46B1-A587-1135F8646CF4}\WpadDecisionReason = "1" C:\Windows\SysWOW64\monjpnecho.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{ADE1A363-6505-46B1-A587-1135F8646CF4}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\monjpnecho.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\monjpnecho.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\monjpnecho.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{ADE1A363-6505-46B1-A587-1135F8646CF4}\WpadDecisionTime = 80a020e172acda01 C:\Windows\SysWOW64\monjpnecho.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{ADE1A363-6505-46B1-A587-1135F8646CF4}\ea-1e-7e-b5-6b-35 C:\Windows\SysWOW64\monjpnecho.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-1e-7e-b5-6b-35\WpadDecisionTime = 80a020e172acda01 C:\Windows\SysWOW64\monjpnecho.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\monjpnecho.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\monjpnecho.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0037000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\monjpnecho.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{ADE1A363-6505-46B1-A587-1135F8646CF4}\WpadDecision = "0" C:\Windows\SysWOW64\monjpnecho.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-1e-7e-b5-6b-35 C:\Windows\SysWOW64\monjpnecho.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-1e-7e-b5-6b-35\WpadDecisionReason = "1" C:\Windows\SysWOW64\monjpnecho.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\monjpnecho.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\monjpnecho.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{ADE1A363-6505-46B1-A587-1135F8646CF4} C:\Windows\SysWOW64\monjpnecho.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6823e6e9a4321cfda0767502921358e3_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6823e6e9a4321cfda0767502921358e3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6823e6e9a4321cfda0767502921358e3_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6823e6e9a4321cfda0767502921358e3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6823e6e9a4321cfda0767502921358e3_JaffaCakes118.exe"

C:\Windows\SysWOW64\monjpnecho.exe

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

C:\Windows\SysWOW64\monjpnecho.exe

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

Network

Country Destination Domain Proto
MX 187.163.174.149:8080 tcp
MX 187.163.174.149:8080 tcp
US 70.60.50.60:8080 tcp
US 70.60.50.60:8080 tcp
US 207.255.59.231:443 tcp
US 207.255.59.231:443 tcp
US 50.21.147.8:8090 tcp

Files

memory/2128-0-0x0000000000320000-0x0000000000339000-memory.dmp

memory/2128-11-0x0000000000340000-0x0000000000350000-memory.dmp

memory/2344-13-0x0000000000290000-0x00000000002A0000-memory.dmp

memory/2344-12-0x0000000000250000-0x0000000000269000-memory.dmp

memory/2128-10-0x0000000000280000-0x0000000000299000-memory.dmp

memory/2128-4-0x0000000000320000-0x0000000000339000-memory.dmp

memory/2344-9-0x0000000000270000-0x0000000000289000-memory.dmp

memory/2344-5-0x0000000000270000-0x0000000000289000-memory.dmp

memory/1600-20-0x0000000000220000-0x0000000000230000-memory.dmp

memory/1600-18-0x00000000003D0000-0x00000000003E9000-memory.dmp

memory/1600-19-0x00000000003B0000-0x00000000003C9000-memory.dmp

memory/1600-14-0x00000000003D0000-0x00000000003E9000-memory.dmp

memory/2824-25-0x00000000002E0000-0x00000000002F9000-memory.dmp

memory/2824-21-0x00000000002E0000-0x00000000002F9000-memory.dmp

memory/1600-26-0x00000000003B0000-0x00000000003C9000-memory.dmp

memory/2344-27-0x0000000000400000-0x00000000004C8000-memory.dmp

memory/2344-28-0x0000000000250000-0x0000000000269000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 18:06

Reported

2024-05-22 18:09

Platform

win10v2004-20240508-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6823e6e9a4321cfda0767502921358e3_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\6823e6e9a4321cfda0767502921358e3_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6823e6e9a4321cfda0767502921358e3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6823e6e9a4321cfda0767502921358e3_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6823e6e9a4321cfda0767502921358e3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6823e6e9a4321cfda0767502921358e3_JaffaCakes118.exe"

C:\Windows\SysWOW64\shimsasp.exe

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

C:\Windows\SysWOW64\shimsasp.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
MX 187.163.174.149:8080 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 70.60.50.60:8080 tcp
US 207.255.59.231:443 tcp
US 50.21.147.8:8090 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
VN 118.69.186.155:8080 tcp
US 216.176.21.143:80 tcp
AE 5.32.65.50:8080 tcp

Files

memory/5036-4-0x00000000006B0000-0x00000000006C9000-memory.dmp

memory/5036-0-0x00000000006B0000-0x00000000006C9000-memory.dmp

memory/5036-6-0x00000000006D0000-0x00000000006E0000-memory.dmp

memory/5036-5-0x0000000000690000-0x00000000006A9000-memory.dmp

memory/1684-7-0x0000000000650000-0x0000000000669000-memory.dmp

memory/1684-8-0x0000000000670000-0x0000000000689000-memory.dmp

memory/1684-13-0x0000000000690000-0x00000000006A0000-memory.dmp

memory/1684-12-0x0000000000670000-0x0000000000689000-memory.dmp

memory/2992-23-0x0000000000DF0000-0x0000000000E09000-memory.dmp

memory/2992-19-0x0000000000DF0000-0x0000000000E09000-memory.dmp

memory/2208-24-0x0000000000650000-0x0000000000669000-memory.dmp

memory/1684-26-0x0000000000650000-0x0000000000669000-memory.dmp

memory/1684-25-0x0000000000400000-0x00000000004C8000-memory.dmp