Malware Analysis Report

2025-03-14 22:29

Sample ID 240407-2x8j5shc28
Target e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118
SHA256 8a9ae3bc4ed7bf9da3f1a86aa427cd35cd368547438749c5065b56ece0a6c566
Tags
upx persistence
score
8/10

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
8/10

SHA256

8a9ae3bc4ed7bf9da3f1a86aa427cd35cd368547438749c5065b56ece0a6c566

Threat Level: Likely malicious

The file e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

upx persistence

Modifies AppInit DLL entries

Deletes itself

Executes dropped EXE

UPX packed file

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 22:58

Signatures

UPX packed file

upx
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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 22:58

Reported

2024-04-07 23:01

Platform

win7-20240221-en

Max time kernel

150s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe"

Signatures

Modifies AppInit DLL entries

persistence

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:\Windows\SysWOW64\ceshleok.exe N/A

UPX packed file

upx
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

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\ceshleo.dll C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\ceshleok.exe C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\ceshleok.exe C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe"

C:\Windows\SysWOW64\ceshleok.exe

C:\Windows\system32\ceshleok.exe ˜‰

C:\Windows\SysWOW64\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe.bat

Network

N/A

Files

memory/1756-1-0x0000000000400000-0x000000000040E000-memory.dmp

\Windows\SysWOW64\ceshleok.exe

MD5 e60d8baf7938361ca28c6dcb18a056db
SHA1 48da564548d10dcd3be6a482dc8c487bf0fd5697
SHA256 8a9ae3bc4ed7bf9da3f1a86aa427cd35cd368547438749c5065b56ece0a6c566
SHA512 c94a68e0a7d0d456753a8c4e48b8496ab7f9bd1593ce5fa11412e5dbe425ba2ecd53d29d4c5dd646e30346c4978cbf6db3d2cc8611bed10f1ef9676836388405

memory/1756-4-0x0000000000030000-0x000000000003E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe.bat

MD5 42bcb2db760ef3282574c13b41d7173c
SHA1 f5b1136ebfa2e35cc098de065fd3addf84105f33
SHA256 a7d831f0b419356925994702e948eae66031dead4241b4a4e18efbe9b347c805
SHA512 cdd25e9c0706de8510a247795b4c6220ac0241e8745b0132339c5b861840ffb58c855c03af6275ca5984ab85de06900e7a5c137b8987cbe9acd90b988e7a4918

memory/1756-18-0x0000000000400000-0x000000000040E000-memory.dmp

memory/1820-20-0x0000000000400000-0x000000000040E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 22:58

Reported

2024-04-07 23:01

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe"

Signatures

Modifies AppInit DLL entries

persistence

Executes dropped EXE

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

UPX packed file

upx
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

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\ceshleo.dll C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\ceshleok.exe C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\ceshleok.exe C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe"

C:\Windows\SysWOW64\ceshleok.exe

C:\Windows\system32\ceshleok.exe ˜‰

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe.bat

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 98.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 168.117.168.52.in-addr.arpa udp

Files

memory/4800-0-0x0000000000400000-0x000000000040E000-memory.dmp

C:\Windows\SysWOW64\ceshleok.exe

MD5 e60d8baf7938361ca28c6dcb18a056db
SHA1 48da564548d10dcd3be6a482dc8c487bf0fd5697
SHA256 8a9ae3bc4ed7bf9da3f1a86aa427cd35cd368547438749c5065b56ece0a6c566
SHA512 c94a68e0a7d0d456753a8c4e48b8496ab7f9bd1593ce5fa11412e5dbe425ba2ecd53d29d4c5dd646e30346c4978cbf6db3d2cc8611bed10f1ef9676836388405

memory/4800-8-0x0000000000400000-0x000000000040E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\e60d8baf7938361ca28c6dcb18a056db_JaffaCakes118.exe.bat

MD5 42bcb2db760ef3282574c13b41d7173c
SHA1 f5b1136ebfa2e35cc098de065fd3addf84105f33
SHA256 a7d831f0b419356925994702e948eae66031dead4241b4a4e18efbe9b347c805
SHA512 cdd25e9c0706de8510a247795b4c6220ac0241e8745b0132339c5b861840ffb58c855c03af6275ca5984ab85de06900e7a5c137b8987cbe9acd90b988e7a4918

memory/400-10-0x0000000000400000-0x000000000040E000-memory.dmp