Malware Analysis Report

2024-10-19 02:21

Sample ID 240402-kjc3msce27
Target 87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118
SHA256 e4a4e1f73cbbd5667b5264b48bc7429ea638532d08e78d53b86b86c0fa5b291b
Tags
xloader ef6c loader rat
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

e4a4e1f73cbbd5667b5264b48bc7429ea638532d08e78d53b86b86c0fa5b291b

Threat Level: Known bad

The file 87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xloader ef6c loader rat

Xloader

Xloader payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-02 08:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 08:37

Reported

2024-04-02 08:40

Platform

win7-20240221-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe"

Signatures

Xloader

loader xloader

Xloader payload

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2168 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 2168 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 2168 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 2168 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 2168 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 2168 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 2168 wrote to memory of 2472 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe"

Network

N/A

Files

memory/2168-0-0x0000000000CE0000-0x0000000000D44000-memory.dmp

memory/2168-1-0x0000000074DC0000-0x00000000754AE000-memory.dmp

memory/2168-2-0x00000000047A0000-0x00000000047E0000-memory.dmp

memory/2168-3-0x00000000005A0000-0x00000000005AA000-memory.dmp

memory/2168-4-0x0000000074DC0000-0x00000000754AE000-memory.dmp

memory/2168-5-0x00000000047A0000-0x00000000047E0000-memory.dmp

memory/2168-6-0x0000000004740000-0x0000000004792000-memory.dmp

memory/2472-7-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2472-9-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2472-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2472-13-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2168-14-0x0000000074DC0000-0x00000000754AE000-memory.dmp

memory/2472-15-0x00000000008A0000-0x0000000000BA3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 08:37

Reported

2024-04-02 08:40

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe"

Signatures

Xloader

loader xloader

Xloader payload

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1572 wrote to memory of 2912 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 1572 wrote to memory of 2912 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 1572 wrote to memory of 2912 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 1572 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 1572 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 1572 wrote to memory of 4628 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 1572 wrote to memory of 4700 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 1572 wrote to memory of 4700 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 1572 wrote to memory of 4700 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 1572 wrote to memory of 4700 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 1572 wrote to memory of 4700 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe
PID 1572 wrote to memory of 4700 N/A C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\87cd2ddf31c62ed3219d2c559d4a9cb6_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 40.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 218.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/1572-0-0x0000000000170000-0x00000000001D4000-memory.dmp

memory/1572-1-0x0000000075130000-0x00000000758E0000-memory.dmp

memory/1572-2-0x0000000005110000-0x00000000056B4000-memory.dmp

memory/1572-3-0x0000000004C00000-0x0000000004C92000-memory.dmp

memory/1572-4-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

memory/1572-5-0x0000000004BB0000-0x0000000004BBA000-memory.dmp

memory/1572-6-0x0000000005100000-0x000000000510A000-memory.dmp

memory/1572-7-0x0000000075130000-0x00000000758E0000-memory.dmp

memory/1572-8-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

memory/1572-9-0x0000000006210000-0x00000000062AC000-memory.dmp

memory/1572-10-0x00000000062B0000-0x0000000006302000-memory.dmp

memory/4700-11-0x0000000000400000-0x0000000000429000-memory.dmp

memory/1572-13-0x0000000075130000-0x00000000758E0000-memory.dmp

memory/4700-14-0x0000000001890000-0x0000000001BDA000-memory.dmp

memory/4700-15-0x0000000001890000-0x0000000001BDA000-memory.dmp