Malware Analysis Report

2025-05-28 17:56

Sample ID 250305-qqfp1azmy7
Target JaffaCakes118_523f04e11cd625c15e72b2261dc240b8
SHA256 af676fdc5414af52a261661e2c9fda1779c0c8f47cb4fdd8094cb09abac8bef6
Tags
discovery persistence blackshades 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

af676fdc5414af52a261661e2c9fda1779c0c8f47cb4fdd8094cb09abac8bef6

Threat Level: Known bad

The file JaffaCakes118_523f04e11cd625c15e72b2261dc240b8 was found to be: Known bad.

Malicious Activity Summary

discovery persistence blackshades rat

Blackshades family

Blackshades payload

Blackshades

Executes dropped EXE

Loads dropped DLL

Deletes itself

Checks computer location settings

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Runs ping.exe

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-03-05 13:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-03-05 13:27

Reported

2025-03-05 13:30

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Sensory = "C:\\Users\\Admin\\AppData\\Local\\Temp\\winsense.exe" C:\Users\Admin\AppData\Local\Temp\winsense.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1168 set thread context of 2700 N/A C:\Users\Admin\AppData\Local\Temp\winsense.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\winsense.exe N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1252 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 1252 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 1252 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 1252 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 1252 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe C:\Windows\SysWOW64\cmd.exe
PID 1252 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe C:\Windows\SysWOW64\cmd.exe
PID 1252 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe C:\Windows\SysWOW64\cmd.exe
PID 1252 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe C:\Windows\SysWOW64\cmd.exe
PID 1168 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\winsense.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 1168 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\winsense.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 1168 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\winsense.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 1168 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\winsense.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 1168 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\winsense.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 2448 wrote to memory of 2800 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2448 wrote to memory of 2800 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2448 wrote to memory of 2800 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2448 wrote to memory of 2800 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe"

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

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

C:\Windows\SysWOW64\PING.EXE

ping 1.1.1.1 -n 1 -w 1000

Network

N/A

Files

memory/1252-0-0x0000000074AB1000-0x0000000074AB2000-memory.dmp

memory/1252-1-0x0000000074AB0000-0x000000007505B000-memory.dmp

memory/1252-2-0x0000000074AB0000-0x000000007505B000-memory.dmp

\Users\Admin\AppData\Local\Temp\winsense.exe

MD5 76f662464f938a4c4925a29b2ad1a40e
SHA1 20a44612b173e7c227a1f85b45ce87c7fda32d03
SHA256 0aa726ef8fde509f06a9a8f67b0db443eb9d8b83113834e969eb8a3b5502bb17
SHA512 f5688b9148f3b0fed4bf9f527c2ef62cfe387e5ec6b68087ffa31c5ab7d1c7b15f2288bdea47a2be445ef86b277c56d37ae985c360485ef1a55b14f31d0dbcf9

memory/1168-13-0x0000000074AB0000-0x000000007505B000-memory.dmp

memory/1168-15-0x0000000074AB0000-0x000000007505B000-memory.dmp

memory/2700-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1168-16-0x0000000074AB0000-0x000000007505B000-memory.dmp

memory/1252-20-0x0000000074AB0000-0x000000007505B000-memory.dmp

memory/1168-25-0x0000000074AB0000-0x000000007505B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-03-05 13:27

Reported

2025-03-05 13:30

Platform

win10v2004-20250217-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe"

Signatures

Blackshades

rat blackshades

Blackshades family

blackshades

Blackshades payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Sensory = "C:\\Users\\Admin\\AppData\\Local\\Temp\\winsense.exe" C:\Users\Admin\AppData\Local\Temp\winsense.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4296 set thread context of 1104 N/A C:\Users\Admin\AppData\Local\Temp\winsense.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe

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_523f04e11cd625c15e72b2261dc240b8.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\winsense.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of UnmapMainImage

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5112 wrote to memory of 4296 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 5112 wrote to memory of 4296 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 5112 wrote to memory of 4296 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 5112 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe C:\Windows\SysWOW64\cmd.exe
PID 5112 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe C:\Windows\SysWOW64\cmd.exe
PID 5112 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe C:\Windows\SysWOW64\cmd.exe
PID 4296 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\winsense.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 4296 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\winsense.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 4296 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\winsense.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 4296 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\winsense.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 4296 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\winsense.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 4296 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\winsense.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 4296 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\winsense.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 4296 wrote to memory of 1104 N/A C:\Users\Admin\AppData\Local\Temp\winsense.exe C:\Users\Admin\AppData\Local\Temp\winsense.exe
PID 2836 wrote to memory of 520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2836 wrote to memory of 520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2836 wrote to memory of 520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_523f04e11cd625c15e72b2261dc240b8.exe"

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

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

C:\Windows\SysWOW64\PING.EXE

ping 1.1.1.1 -n 1 -w 1000

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1104 -ip 1104

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1104 -s 12

Network

Country Destination Domain Proto
US 150.171.28.10:443 tcp
US 150.171.28.10:443 tcp
US 150.171.28.10:443 tse1.mm.bing.net 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
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/5112-0-0x00000000752C2000-0x00000000752C3000-memory.dmp

memory/5112-1-0x00000000752C0000-0x0000000075871000-memory.dmp

memory/5112-2-0x00000000752C0000-0x0000000075871000-memory.dmp

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

MD5 76f662464f938a4c4925a29b2ad1a40e
SHA1 20a44612b173e7c227a1f85b45ce87c7fda32d03
SHA256 0aa726ef8fde509f06a9a8f67b0db443eb9d8b83113834e969eb8a3b5502bb17
SHA512 f5688b9148f3b0fed4bf9f527c2ef62cfe387e5ec6b68087ffa31c5ab7d1c7b15f2288bdea47a2be445ef86b277c56d37ae985c360485ef1a55b14f31d0dbcf9

memory/1104-16-0x0000000000400000-0x0000000000470000-memory.dmp

memory/5112-20-0x00000000752C0000-0x0000000075871000-memory.dmp

memory/4296-19-0x00000000752C0000-0x0000000075871000-memory.dmp

memory/4296-21-0x00000000752C0000-0x0000000075871000-memory.dmp

memory/4296-14-0x00000000752C0000-0x0000000075871000-memory.dmp