Malware Analysis Report

2024-10-19 07:12

Sample ID 240507-by8cnafd76
Target 1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118
SHA256 c6d07585739fc43d3b149456c6cdb05229a476461f3471100f3da57c74a9ed2f
Tags
nanocore keylogger spyware stealer 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

c6d07585739fc43d3b149456c6cdb05229a476461f3471100f3da57c74a9ed2f

Threat Level: Known bad

The file 1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

nanocore keylogger spyware stealer trojan

NanoCore

Drops startup file

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-07 01:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-07 01:34

Reported

2024-05-07 01:36

Platform

win7-20240221-en

Max time kernel

147s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Outlook.lnk C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1924 set thread context of 2596 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1924 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
PID 1924 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
PID 1924 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
PID 1924 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
PID 1924 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
PID 1924 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
PID 1924 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
PID 1924 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
PID 1924 wrote to memory of 2596 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe

"\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp

Files

memory/1924-0-0x000007FEF616E000-0x000007FEF616F000-memory.dmp

memory/1924-1-0x000007FEF5EB0000-0x000007FEF684D000-memory.dmp

memory/1924-2-0x000007FEF5EB0000-0x000007FEF684D000-memory.dmp

memory/2596-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2596-16-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2596-14-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2596-12-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2596-9-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2596-7-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2596-17-0x0000000074C11000-0x0000000074C12000-memory.dmp

memory/2596-5-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2596-4-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2596-18-0x0000000074C10000-0x00000000751BB000-memory.dmp

memory/2596-19-0x0000000074C10000-0x00000000751BB000-memory.dmp

memory/2596-21-0x0000000074C10000-0x00000000751BB000-memory.dmp

memory/1924-24-0x000007FEF5EB0000-0x000007FEF684D000-memory.dmp

memory/2596-25-0x0000000074C10000-0x00000000751BB000-memory.dmp

memory/2596-26-0x0000000074C10000-0x00000000751BB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-07 01:34

Reported

2024-05-07 01:36

Platform

win10v2004-20240419-en

Max time kernel

148s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Outlook.lnk C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4016 set thread context of 3212 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4016 wrote to memory of 3212 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
PID 4016 wrote to memory of 3212 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
PID 4016 wrote to memory of 3212 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
PID 4016 wrote to memory of 3212 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
PID 4016 wrote to memory of 3212 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
PID 4016 wrote to memory of 3212 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
PID 4016 wrote to memory of 3212 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe
PID 4016 wrote to memory of 3212 N/A C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1efe6215336d8fe3bda6202a6f63ff3d_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe

"\Windows\Microsoft.NET\Framework\v2.0.50727\CasPol.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
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
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
US 8.8.8.8:53 14.251.17.2.in-addr.arpa udp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp
N/A 127.0.0.1:1000 tcp

Files

memory/4016-0-0x00007FFCCD625000-0x00007FFCCD626000-memory.dmp

memory/4016-1-0x000000001B450000-0x000000001B4F6000-memory.dmp

memory/4016-2-0x00007FFCCD370000-0x00007FFCCDD11000-memory.dmp

memory/4016-3-0x00007FFCCD370000-0x00007FFCCDD11000-memory.dmp

memory/4016-4-0x00007FFCCD625000-0x00007FFCCD626000-memory.dmp

memory/4016-5-0x00007FFCCD370000-0x00007FFCCDD11000-memory.dmp

memory/3212-6-0x0000000000400000-0x0000000000438000-memory.dmp

memory/3212-7-0x00000000746D2000-0x00000000746D3000-memory.dmp

memory/3212-8-0x00000000746D0000-0x0000000074C81000-memory.dmp

memory/3212-9-0x00000000746D0000-0x0000000074C81000-memory.dmp

memory/3212-11-0x00000000746D0000-0x0000000074C81000-memory.dmp

memory/4016-15-0x00007FFCCD370000-0x00007FFCCDD11000-memory.dmp

memory/3212-16-0x00000000746D2000-0x00000000746D3000-memory.dmp

memory/3212-17-0x00000000746D0000-0x0000000074C81000-memory.dmp

memory/3212-18-0x00000000746D0000-0x0000000074C81000-memory.dmp