Malware Analysis Report

2024-11-13 19:13

Sample ID 240713-z6yp7axeqp
Target 4361ae928291a2a44087f355d34950f0_JaffaCakes118
SHA256 9206fc5ec60a5a75ecfb8c5d4642f3ab51559ae4de05bd77a2367851dcb56aac
Tags
smokeloader ku11 backdoor 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

9206fc5ec60a5a75ecfb8c5d4642f3ab51559ae4de05bd77a2367851dcb56aac

Threat Level: Known bad

The file 4361ae928291a2a44087f355d34950f0_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

smokeloader ku11 backdoor trojan

SmokeLoader

Loads dropped DLL

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-13 21:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-13 21:20

Reported

2024-07-13 21:22

Platform

win7-20240704-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4361ae928291a2a44087f355d34950f0_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\4361ae928291a2a44087f355d34950f0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4361ae928291a2a44087f355d34950f0_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 176

Network

N/A

Files

memory/2096-1-0x0000000000090000-0x0000000000091000-memory.dmp

memory/2096-2-0x00000000000F0000-0x00000000000FA000-memory.dmp

memory/2096-3-0x0000000000100000-0x000000000010A000-memory.dmp

\Users\Admin\AppData\Local\Temp\5C1B.tmp

MD5 d124f55b9393c976963407dff51ffa79
SHA1 2c7bbedd79791bfb866898c85b504186db610b5d
SHA256 ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

memory/2096-6-0x0000000000100000-0x000000000010A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-13 21:20

Reported

2024-07-13 21:23

Platform

win10v2004-20240709-en

Max time kernel

135s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4361ae928291a2a44087f355d34950f0_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4361ae928291a2a44087f355d34950f0_JaffaCakes118.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4361ae928291a2a44087f355d34950f0_JaffaCakes118.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4361ae928291a2a44087f355d34950f0_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4361ae928291a2a44087f355d34950f0_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4361ae928291a2a44087f355d34950f0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4361ae928291a2a44087f355d34950f0_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1496 -ip 1496

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1496 -s 536

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 95.16.208.104.in-addr.arpa udp

Files

memory/1496-2-0x0000000000F30000-0x0000000000F3A000-memory.dmp

memory/1496-1-0x0000000000F20000-0x0000000000F2A000-memory.dmp

memory/1496-0-0x0000000000F00000-0x0000000000F01000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\5C1B.tmp

MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

memory/1496-7-0x0000000000F30000-0x0000000000F3A000-memory.dmp