Malware Analysis Report

2025-01-03 09:25

Sample ID 240620-ptkbxssaln
Target 060ab901af3bd3621a553082ca3f801e_JaffaCakes118
SHA256 8dcf218e79a1f23812c4bf8a86fdf8bba450b87160eb9435ba468192dd8634b8
Tags
bootkit persistence
score
7/10

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
7/10

SHA256

8dcf218e79a1f23812c4bf8a86fdf8bba450b87160eb9435ba468192dd8634b8

Threat Level: Shows suspicious behavior

The file 060ab901af3bd3621a553082ca3f801e_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Executes dropped EXE

Writes to the Master Boot Record (MBR)

Drops file in Windows directory

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 12:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 12:37

Reported

2024-06-20 12:39

Platform

win7-20240508-en

Max time kernel

118s

Max time network

118s

Command Line

C:\Windows\Explorer.EXE

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\W32Times.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\060ab901af3bd3621a553082ca3f801e_JaffaCakes118.exe N/A
File opened for modification \??\PhysicalDrive0 C:\Windows\W32Times.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\W32Times.exe C:\Users\Admin\AppData\Local\Temp\060ab901af3bd3621a553082ca3f801e_JaffaCakes118.exe N/A
File opened for modification C:\Windows\W32Times.exe C:\Users\Admin\AppData\Local\Temp\060ab901af3bd3621a553082ca3f801e_JaffaCakes118.exe N/A
File created C:\Windows\W32Times.DLL C:\Windows\W32Times.exe N/A
File opened for modification C:\Windows\W32Times.DLL C:\Windows\W32Times.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\W32Times.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 852 wrote to memory of 1204 N/A C:\Windows\W32Times.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\060ab901af3bd3621a553082ca3f801e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\060ab901af3bd3621a553082ca3f801e_JaffaCakes118.exe"

C:\Windows\W32Times.exe

C:\Windows\W32Times.exe

Network

N/A

Files

memory/1648-1-0x0000000000260000-0x000000000029A000-memory.dmp

memory/1648-0-0x0000000013140000-0x0000000013202000-memory.dmp

memory/1648-8-0x0000000000240000-0x0000000000241000-memory.dmp

memory/1648-7-0x00000000002C0000-0x00000000002C1000-memory.dmp

memory/1648-6-0x00000000002D0000-0x00000000002D1000-memory.dmp

memory/1648-5-0x00000000002E0000-0x00000000002E1000-memory.dmp

memory/1648-4-0x00000000004A0000-0x00000000004A1000-memory.dmp

memory/1648-3-0x0000000000220000-0x0000000000221000-memory.dmp

memory/1648-2-0x0000000000490000-0x0000000000491000-memory.dmp

memory/1648-10-0x00000000002F0000-0x00000000002F1000-memory.dmp

memory/1648-9-0x00000000002B0000-0x00000000002B1000-memory.dmp

memory/1648-12-0x00000000004C0000-0x00000000004C1000-memory.dmp

memory/1648-11-0x0000000000230000-0x0000000000231000-memory.dmp

memory/1648-16-0x0000000002440000-0x0000000002441000-memory.dmp

memory/1648-18-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

memory/1648-17-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

memory/1648-15-0x0000000001F80000-0x0000000001F81000-memory.dmp

memory/1648-14-0x0000000001F90000-0x0000000001F91000-memory.dmp

memory/1648-13-0x00000000004D0000-0x00000000004D8000-memory.dmp

memory/852-23-0x0000000001B50000-0x0000000001B8A000-memory.dmp

memory/852-22-0x0000000013140000-0x0000000013202000-memory.dmp

C:\Windows\W32Times.exe

MD5 060ab901af3bd3621a553082ca3f801e
SHA1 2b81fa873253731d22c758d113f84a820518f691
SHA256 8dcf218e79a1f23812c4bf8a86fdf8bba450b87160eb9435ba468192dd8634b8
SHA512 8eb604d622cdc97897715293a638ead369be64a2d6029cd48ccb9b171fd302fe5391ad391f3429604e898c0e2b596e0c90f602f717802508041f0e85eba5bb4f

memory/852-32-0x0000000001B20000-0x0000000001B21000-memory.dmp

memory/852-31-0x00000000003C0000-0x00000000003C1000-memory.dmp

memory/852-30-0x0000000001B30000-0x0000000001B31000-memory.dmp

memory/852-42-0x00000000021B0000-0x00000000021B1000-memory.dmp

memory/852-41-0x00000000021C0000-0x00000000021C1000-memory.dmp

memory/852-40-0x0000000002320000-0x0000000002321000-memory.dmp

memory/852-39-0x0000000002180000-0x0000000002181000-memory.dmp

memory/852-38-0x0000000001C00000-0x0000000001C08000-memory.dmp

memory/852-37-0x0000000001BF0000-0x0000000001BF1000-memory.dmp

memory/852-36-0x0000000000240000-0x0000000000241000-memory.dmp

memory/1648-35-0x0000000013140000-0x0000000013202000-memory.dmp

memory/852-29-0x0000000001B40000-0x0000000001B41000-memory.dmp

memory/852-28-0x0000000001B90000-0x0000000001B91000-memory.dmp

memory/852-27-0x0000000001BD0000-0x0000000001BD1000-memory.dmp

memory/1648-43-0x0000000013140000-0x0000000013202000-memory.dmp

memory/852-26-0x00000000001B0000-0x00000000001B1000-memory.dmp

memory/852-25-0x0000000001BC0000-0x0000000001BC1000-memory.dmp

memory/1648-44-0x0000000000260000-0x000000000029A000-memory.dmp

memory/1204-45-0x0000000002DF0000-0x0000000002DF1000-memory.dmp

memory/852-47-0x0000000001B50000-0x0000000001B8A000-memory.dmp

memory/852-46-0x0000000013140000-0x0000000013202000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 12:37

Reported

2024-06-20 12:39

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

C:\Windows\Explorer.EXE

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\W32Times.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\W32Times.exe C:\Users\Admin\AppData\Local\Temp\060ab901af3bd3621a553082ca3f801e_JaffaCakes118.exe N/A
File opened for modification C:\Windows\W32Times.exe C:\Users\Admin\AppData\Local\Temp\060ab901af3bd3621a553082ca3f801e_JaffaCakes118.exe N/A
File created C:\Windows\W32Times.DLL C:\Windows\W32Times.exe N/A
File opened for modification C:\Windows\W32Times.DLL C:\Windows\W32Times.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\W32Times.exe N/A
N/A N/A C:\Windows\W32Times.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1396 wrote to memory of 3460 N/A C:\Windows\W32Times.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\060ab901af3bd3621a553082ca3f801e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\060ab901af3bd3621a553082ca3f801e_JaffaCakes118.exe"

C:\Windows\W32Times.exe

C:\Windows\W32Times.exe

Network

Files

memory/3688-1-0x00000000005C0000-0x00000000005FA000-memory.dmp

memory/3688-0-0x0000000013140000-0x0000000013202000-memory.dmp

memory/3688-8-0x0000000000580000-0x0000000000581000-memory.dmp

memory/3688-7-0x0000000000600000-0x0000000000601000-memory.dmp

memory/3688-6-0x0000000000610000-0x0000000000611000-memory.dmp

memory/3688-5-0x0000000000620000-0x0000000000621000-memory.dmp

memory/3688-4-0x0000000002210000-0x0000000002211000-memory.dmp

memory/3688-3-0x0000000000480000-0x0000000000481000-memory.dmp

memory/3688-2-0x0000000002200000-0x0000000002201000-memory.dmp

memory/3688-10-0x00000000021E0000-0x00000000021E1000-memory.dmp

memory/3688-9-0x00000000005B0000-0x00000000005B1000-memory.dmp

memory/3688-12-0x0000000002230000-0x0000000002231000-memory.dmp

memory/3688-11-0x0000000000490000-0x0000000000491000-memory.dmp

memory/3688-13-0x0000000002240000-0x0000000002248000-memory.dmp

memory/3688-17-0x00000000023F0000-0x00000000023F1000-memory.dmp

memory/3688-16-0x0000000002560000-0x0000000002561000-memory.dmp

memory/3688-15-0x00000000023B0000-0x00000000023B1000-memory.dmp

memory/3688-14-0x00000000023C0000-0x00000000023C1000-memory.dmp

C:\Windows\W32Times.exe

MD5 060ab901af3bd3621a553082ca3f801e
SHA1 2b81fa873253731d22c758d113f84a820518f691
SHA256 8dcf218e79a1f23812c4bf8a86fdf8bba450b87160eb9435ba468192dd8634b8
SHA512 8eb604d622cdc97897715293a638ead369be64a2d6029cd48ccb9b171fd302fe5391ad391f3429604e898c0e2b596e0c90f602f717802508041f0e85eba5bb4f

memory/1396-22-0x0000000013140000-0x0000000013202000-memory.dmp

memory/1396-23-0x0000000000C00000-0x0000000000C3A000-memory.dmp

memory/1396-29-0x0000000000570000-0x0000000000571000-memory.dmp

memory/1396-28-0x0000000000EB0000-0x0000000000EB1000-memory.dmp

memory/1396-27-0x0000000000EC0000-0x0000000000EC1000-memory.dmp

memory/1396-26-0x0000000000F10000-0x0000000000F11000-memory.dmp

memory/1396-25-0x0000000000540000-0x0000000000541000-memory.dmp

memory/1396-24-0x0000000000F00000-0x0000000000F01000-memory.dmp

memory/3688-30-0x0000000013140000-0x0000000013202000-memory.dmp

memory/1396-32-0x0000000000EE0000-0x0000000000EE1000-memory.dmp

memory/1396-33-0x0000000000550000-0x0000000000551000-memory.dmp

memory/1396-31-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

memory/3688-34-0x00000000005C0000-0x00000000005FA000-memory.dmp

memory/1396-39-0x00000000010E0000-0x00000000010E1000-memory.dmp

memory/1396-38-0x00000000010F0000-0x00000000010F1000-memory.dmp

memory/1396-37-0x00000000010A0000-0x00000000010A1000-memory.dmp

memory/1396-36-0x00000000010B0000-0x00000000010B1000-memory.dmp

memory/1396-35-0x0000000000F40000-0x0000000000F48000-memory.dmp

memory/3688-42-0x0000000013140000-0x0000000013202000-memory.dmp

memory/1396-43-0x0000000013140000-0x0000000013202000-memory.dmp

memory/1396-44-0x0000000000C00000-0x0000000000C3A000-memory.dmp