Malware Analysis Report

2025-08-06 01:23

Sample ID 241018-sdtgfashkd
Target 58131af88fb3be78f9487a0df0439726_JaffaCakes118
SHA256 dd5d9f64568dbc55a7ca3c70e81f69afe78d74133531e4565942f89876b37749
Tags
blackmoon banker discovery trojan vmprotect
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

dd5d9f64568dbc55a7ca3c70e81f69afe78d74133531e4565942f89876b37749

Threat Level: Known bad

The file 58131af88fb3be78f9487a0df0439726_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

blackmoon banker discovery trojan vmprotect

Detect Blackmoon payload

Blackmoon family

Blackmoon, KrBanker

VMProtect packed file

Suspicious use of NtSetInformationThreadHideFromDebugger

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-18 15:00

Signatures

Blackmoon family

blackmoon

Detect Blackmoon payload

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

VMProtect packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-18 15:00

Reported

2024-10-18 15:03

Platform

win7-20240729-en

Max time kernel

119s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\58131af88fb3be78f9487a0df0439726_JaffaCakes118.dll,#1

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon 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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

VMProtect packed file

vmprotect
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
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2704 wrote to memory of 2780 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2704 wrote to memory of 2780 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2704 wrote to memory of 2780 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2704 wrote to memory of 2780 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2704 wrote to memory of 2780 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2704 wrote to memory of 2780 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2704 wrote to memory of 2780 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\58131af88fb3be78f9487a0df0439726_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\58131af88fb3be78f9487a0df0439726_JaffaCakes118.dll,#1

Network

N/A

Files

memory/2780-0-0x0000000010000000-0x0000000010099000-memory.dmp

memory/2780-9-0x0000000074462000-0x0000000074463000-memory.dmp

memory/2780-8-0x0000000074470000-0x000000007454A000-memory.dmp

memory/2780-7-0x0000000074390000-0x000000007446A000-memory.dmp

memory/2780-6-0x0000000074470000-0x000000007454A000-memory.dmp

memory/2780-10-0x0000000000D80000-0x0000000000E19000-memory.dmp

memory/2780-16-0x0000000074470000-0x00000000744F0000-memory.dmp

memory/2780-17-0x0000000074390000-0x000000007446A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-18 15:00

Reported

2024-10-18 15:03

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

124s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\58131af88fb3be78f9487a0df0439726_JaffaCakes118.dll,#1

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon 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

VMProtect packed file

vmprotect
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

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4068 wrote to memory of 3136 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4068 wrote to memory of 3136 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4068 wrote to memory of 3136 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\58131af88fb3be78f9487a0df0439726_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\58131af88fb3be78f9487a0df0439726_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 69.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
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 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/3136-0-0x0000000074C30000-0x0000000074D0A000-memory.dmp

memory/3136-1-0x0000000010000000-0x0000000010099000-memory.dmp

memory/3136-7-0x00000000022E0000-0x0000000002379000-memory.dmp