Malware Analysis Report

2024-09-22 16:21

Sample ID 240622-znsq8ateng
Target 03d7a8888dd522a8536773a65c6e5568_JaffaCakes118
SHA256 8c83844722c5a6efc00ae36bf0a8548d3257e088d1547362227541f57ee98980
Tags
fickerstealer infostealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

8c83844722c5a6efc00ae36bf0a8548d3257e088d1547362227541f57ee98980

Threat Level: Known bad

The file 03d7a8888dd522a8536773a65c6e5568_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

fickerstealer infostealer

Fickerstealer

Looks up external IP address via web service

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-22 20:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-22 20:52

Reported

2024-06-22 20:54

Platform

win7-20240508-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe"

Signatures

Fickerstealer

infostealer fickerstealer

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2344 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 2344 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 2344 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 2344 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 2344 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 2344 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 2344 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 2344 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 2344 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 2344 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 2344 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 2344 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 2344 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 2344 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 2384 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2384 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2384 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2384 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 1052

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp

Files

memory/2344-5-0x0000000000220000-0x0000000000265000-memory.dmp

memory/2344-4-0x0000000000400000-0x00000000004E2000-memory.dmp

memory/2384-3-0x0000000000400000-0x0000000000448000-memory.dmp

memory/2384-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2384-7-0x0000000000400000-0x0000000000448000-memory.dmp

memory/2384-8-0x0000000000400000-0x0000000000448000-memory.dmp

memory/2344-11-0x0000000000400000-0x00000000004E2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-22 20:52

Reported

2024-06-22 20:54

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe"

Signatures

Fickerstealer

infostealer fickerstealer

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1036 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 1036 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 1036 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 1036 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 1036 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 1036 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 1036 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 1036 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 1036 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 1036 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 1036 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 1036 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe
PID 1036 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\03d7a8888dd522a8536773a65c6e5568_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4400 -ip 4400

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 1484

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp

Files

memory/1036-1-0x0000000000750000-0x0000000000850000-memory.dmp

memory/1036-2-0x0000000000990000-0x00000000009D5000-memory.dmp

memory/4400-3-0x0000000000400000-0x0000000000448000-memory.dmp

memory/4400-5-0x0000000000400000-0x0000000000448000-memory.dmp

memory/4400-6-0x0000000000400000-0x0000000000448000-memory.dmp