Malware Analysis Report

2025-05-06 00:12

Sample ID 250226-f92fpssms5
Target JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6
SHA256 16df989a4a2865475d41f1895f52cf20628d8f79a3e2bd96addcafdb8dbd99e2
Tags
blackshades discovery rat
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

16df989a4a2865475d41f1895f52cf20628d8f79a3e2bd96addcafdb8dbd99e2

Threat Level: Known bad

The file JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6 was found to be: Known bad.

Malicious Activity Summary

blackshades discovery rat

Blackshades

Blackshades family

Blackshades payload

Loads dropped DLL

Suspicious use of SetThreadContext

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-26 05:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-02-26 05:35

Reported

2025-02-26 05:37

Platform

win7-20240903-en

Max time kernel

121s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2025-02-26 05:35

Reported

2025-02-26 05:37

Platform

win10v2004-20250217-en

Max time kernel

122s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe"

Signatures

Blackshades

rat blackshades

Blackshades family

blackshades

Blackshades payload

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3508 wrote to memory of 3092 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe
PID 3508 wrote to memory of 3092 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe
PID 3508 wrote to memory of 3092 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe
PID 3508 wrote to memory of 3092 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe
PID 3508 wrote to memory of 3092 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe
PID 3508 wrote to memory of 3092 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe
PID 3508 wrote to memory of 3092 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe"

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_23e77c20660412760002a0e9e6a2c0a6.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3092 -ip 3092

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3092 -s 328

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

C:\Users\Admin\AppData\Local\Temp\Kc01JIIh6186n7g.txt

MD5 9287b62cb35cc7680570c71438c624aa
SHA1 2a8029396ea9adc2fc661793b5e15bb035128029
SHA256 8c0fe219003e796cca5f51d3c04b258418c36f82b776f4a49360425edb77199d
SHA512 b4540f7314354c8ec1a71345f07cf24461a5b8929669c11dc04a790db5c2bf02b4316dd5e82221f258d7ea8babac5ca7ec6c9005fd08155988f3e9d838a7734f

memory/3092-6-0x0000000000400000-0x0000000000457000-memory.dmp

memory/3092-8-0x0000000000400000-0x0000000000457000-memory.dmp

memory/3092-22-0x0000000000400000-0x0000000000457000-memory.dmp