Malware Analysis Report

2024-09-22 22:06

Sample ID 240614-sb3x4avhjg
Target aa4b9772202b7f5ba037c3b9a21f19ff_JaffaCakes118
SHA256 b37218e666f643ded336e1f7f56cb8b7a87b6edf1c015359f074b74b0c7923db
Tags
emotet banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

b37218e666f643ded336e1f7f56cb8b7a87b6edf1c015359f074b74b0c7923db

Threat Level: Known bad

The file aa4b9772202b7f5ba037c3b9a21f19ff_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 Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-14 14:57

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 14:57

Reported

2024-06-14 15:00

Platform

win7-20240221-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aa4b9772202b7f5ba037c3b9a21f19ff_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\montanaaero.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\montanaaero.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\montanaaero.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1AE55368-91DE-4BB5-A66C-EA2CEBB58CC2} C:\Windows\SysWOW64\montanaaero.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1AE55368-91DE-4BB5-A66C-EA2CEBB58CC2}\d2-ee-98-d2-b2-67 C:\Windows\SysWOW64\montanaaero.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-ee-98-d2-b2-67\WpadDecisionReason = "1" C:\Windows\SysWOW64\montanaaero.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-ee-98-d2-b2-67\WpadDecisionTime = b0c0454d6bbeda01 C:\Windows\SysWOW64\montanaaero.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\montanaaero.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f010a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\montanaaero.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1AE55368-91DE-4BB5-A66C-EA2CEBB58CC2}\WpadDecisionTime = b0c0454d6bbeda01 C:\Windows\SysWOW64\montanaaero.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1AE55368-91DE-4BB5-A66C-EA2CEBB58CC2}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\montanaaero.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-ee-98-d2-b2-67\WpadDecision = "0" C:\Windows\SysWOW64\montanaaero.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\montanaaero.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\montanaaero.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\montanaaero.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1AE55368-91DE-4BB5-A66C-EA2CEBB58CC2}\WpadDecisionReason = "1" C:\Windows\SysWOW64\montanaaero.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{1AE55368-91DE-4BB5-A66C-EA2CEBB58CC2}\WpadDecision = "0" C:\Windows\SysWOW64\montanaaero.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-ee-98-d2-b2-67 C:\Windows\SysWOW64\montanaaero.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\montanaaero.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-ee-98-d2-b2-67\WpadDetectedUrl C:\Windows\SysWOW64\montanaaero.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\aa4b9772202b7f5ba037c3b9a21f19ff_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aa4b9772202b7f5ba037c3b9a21f19ff_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aa4b9772202b7f5ba037c3b9a21f19ff_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\aa4b9772202b7f5ba037c3b9a21f19ff_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aa4b9772202b7f5ba037c3b9a21f19ff_JaffaCakes118.exe"

C:\Windows\SysWOW64\montanaaero.exe

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

C:\Windows\SysWOW64\montanaaero.exe

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

Network

Country Destination Domain Proto
US 70.168.211.61:80 tcp
US 70.168.211.61:80 tcp
US 98.5.202.134:80 tcp
US 98.5.202.134:80 tcp
US 64.68.15.56:990 tcp
US 64.68.15.56:990 tcp
US 148.74.143.194:443 tcp

Files

memory/2132-0-0x00000000013B0000-0x00000000013DB000-memory.dmp

memory/2132-5-0x00000000002A0000-0x00000000002B7000-memory.dmp

memory/2132-1-0x00000000002A0000-0x00000000002B7000-memory.dmp

memory/2132-6-0x0000000000110000-0x0000000000127000-memory.dmp

memory/2132-7-0x00000000003D0000-0x00000000003F0000-memory.dmp

memory/1740-8-0x00000000013B0000-0x00000000013DB000-memory.dmp

memory/1740-9-0x00000000008F0000-0x0000000000907000-memory.dmp

memory/1740-13-0x00000000008F0000-0x0000000000907000-memory.dmp

memory/1740-14-0x00000000002A0000-0x00000000002B7000-memory.dmp

memory/1740-15-0x0000000000ED0000-0x0000000000EF0000-memory.dmp

memory/2132-16-0x00000000013B0000-0x00000000013DB000-memory.dmp

memory/2576-17-0x00000000001E0000-0x00000000001F7000-memory.dmp

memory/2576-21-0x00000000001E0000-0x00000000001F7000-memory.dmp

memory/2576-23-0x0000000000200000-0x0000000000220000-memory.dmp

memory/2576-22-0x00000000001C0000-0x00000000001D7000-memory.dmp

memory/2576-24-0x0000000000260000-0x000000000028B000-memory.dmp

memory/2536-25-0x00000000013B0000-0x00000000013DB000-memory.dmp

memory/2536-30-0x00000000004E0000-0x00000000004F7000-memory.dmp

memory/2536-26-0x00000000004E0000-0x00000000004F7000-memory.dmp

memory/2576-31-0x00000000013B0000-0x00000000013DB000-memory.dmp

memory/2576-32-0x00000000001C0000-0x00000000001D7000-memory.dmp

memory/1740-33-0x00000000013B0000-0x00000000013DB000-memory.dmp

memory/1740-34-0x00000000002A0000-0x00000000002B7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 14:57

Reported

2024-06-14 15:00

Platform

win10v2004-20240508-en

Max time kernel

130s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aa4b9772202b7f5ba037c3b9a21f19ff_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\aa4b9772202b7f5ba037c3b9a21f19ff_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aa4b9772202b7f5ba037c3b9a21f19ff_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aa4b9772202b7f5ba037c3b9a21f19ff_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\aa4b9772202b7f5ba037c3b9a21f19ff_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aa4b9772202b7f5ba037c3b9a21f19ff_JaffaCakes118.exe"

C:\Windows\SysWOW64\attribiwamreg.exe

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

C:\Windows\SysWOW64\attribiwamreg.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 70.168.211.61:80 tcp
US 98.5.202.134:80 tcp
US 148.74.143.194:443 tcp
US 108.52.190.19:80 tcp
US 64.68.15.56:443 tcp
US 75.76.172.226:80 tcp

Files

memory/2664-0-0x0000000000170000-0x000000000019B000-memory.dmp

memory/2664-5-0x0000000002A50000-0x0000000002A67000-memory.dmp

memory/2664-2-0x0000000002A50000-0x0000000002A67000-memory.dmp

memory/2664-7-0x0000000002A70000-0x0000000002A90000-memory.dmp

memory/2664-6-0x0000000000EA0000-0x0000000000EB7000-memory.dmp

memory/3404-12-0x0000000002F40000-0x0000000002F57000-memory.dmp

memory/3404-8-0x0000000002F40000-0x0000000002F57000-memory.dmp

memory/3404-14-0x0000000002F60000-0x0000000002F80000-memory.dmp

memory/3404-13-0x00000000016F0000-0x0000000001707000-memory.dmp

memory/2664-15-0x0000000000170000-0x000000000019B000-memory.dmp

memory/2968-20-0x00000000012A0000-0x00000000012B7000-memory.dmp

memory/2968-16-0x00000000012A0000-0x00000000012B7000-memory.dmp

memory/2968-22-0x00000000012C0000-0x00000000012E0000-memory.dmp

memory/2968-21-0x0000000001280000-0x0000000001297000-memory.dmp

memory/444-27-0x0000000001A10000-0x0000000001A27000-memory.dmp

memory/444-23-0x0000000001A10000-0x0000000001A27000-memory.dmp

memory/2968-28-0x0000000000170000-0x000000000019B000-memory.dmp

memory/2968-29-0x0000000001280000-0x0000000001297000-memory.dmp

memory/3404-30-0x0000000000170000-0x000000000019B000-memory.dmp

memory/3404-31-0x00000000016F0000-0x0000000001707000-memory.dmp