Malware Analysis Report

2024-11-16 14:41

Sample ID 240620-qlvclatfjm
Target 065d9a671f4e74796ff7f170f77109c1_JaffaCakes118
SHA256 eadfdf539a055e46c385d7878841f4322ae05f1e0a5c970dfc8da9acbf0b3de1
Tags
blackmoon banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

eadfdf539a055e46c385d7878841f4322ae05f1e0a5c970dfc8da9acbf0b3de1

Threat Level: Known bad

The file 065d9a671f4e74796ff7f170f77109c1_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

blackmoon banker trojan

Blackmoon, KrBanker

Detect Blackmoon payload

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-20 13:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 13:21

Reported

2024-06-20 13:23

Platform

win7-20240508-en

Max time kernel

144s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\065d9a671f4e74796ff7f170f77109c1_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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2156 wrote to memory of 1252 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2156 wrote to memory of 1252 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2156 wrote to memory of 1252 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2156 wrote to memory of 1252 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2156 wrote to memory of 1252 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2156 wrote to memory of 1252 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2156 wrote to memory of 1252 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\065d9a671f4e74796ff7f170f77109c1_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\065d9a671f4e74796ff7f170f77109c1_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp

Files

memory/1252-0-0x0000000010000000-0x0000000010013000-memory.dmp

memory/1252-1-0x0000000010000000-0x0000000010013000-memory.dmp

memory/1252-2-0x000000001000E000-0x000000001000F000-memory.dmp

memory/1252-3-0x0000000010000000-0x0000000010013000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 13:21

Reported

2024-06-20 13:23

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\065d9a671f4e74796ff7f170f77109c1_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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4392 wrote to memory of 4672 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4392 wrote to memory of 4672 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4392 wrote to memory of 4672 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\065d9a671f4e74796ff7f170f77109c1_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\065d9a671f4e74796ff7f170f77109c1_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp
US 8.8.8.8:53 v.yao63.com udp

Files

memory/4672-0-0x0000000010000000-0x0000000010013000-memory.dmp

memory/4672-1-0x0000000010000000-0x0000000010013000-memory.dmp

memory/4672-2-0x0000000001310000-0x0000000001311000-memory.dmp

memory/4672-4-0x0000000001310000-0x0000000001311000-memory.dmp

memory/4672-3-0x0000000010000000-0x0000000010013000-memory.dmp