Malware Analysis Report

2024-09-22 16:21

Sample ID 240623-kvz2jszgpl
Target 05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118
SHA256 df0d8d3a82fe20cccde0e909ef2b52b9b0082de4c88256cbac96b0dedc5b3fc3
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

df0d8d3a82fe20cccde0e909ef2b52b9b0082de4c88256cbac96b0dedc5b3fc3

Threat Level: Known bad

The file 05c95c1350f172f3d4cefb01255b50c0_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

2024-06-23 08:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-23 08:56

Reported

2024-06-23 08:58

Platform

win7-20240221-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_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 2884 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2884 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2884 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2884 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2884 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2884 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2884 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2884 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2884 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2884 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2884 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2884 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2884 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2884 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 172.67.74.152:80 api.ipify.org tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp
NL 74.119.195.40:80 tcp

Files

memory/2828-3-0x0000000000400000-0x0000000000449000-memory.dmp

memory/2828-6-0x0000000000400000-0x0000000000449000-memory.dmp

memory/2828-8-0x0000000000400000-0x0000000000449000-memory.dmp

memory/2884-7-0x0000000000930000-0x0000000000A30000-memory.dmp

memory/2884-5-0x0000000000220000-0x0000000000265000-memory.dmp

memory/2828-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 1207bc197a1ebd72a77f1a771cad9e52
SHA1 8ed121ff66d407150d7390b9276fe690dd213b27
SHA256 260658b9cb063d6ce96f681b18704e02fae7bf8fc995fc249ab0be1400983476
SHA512 d037cfa3b6e6ced9652b2c781bb54cf48dbaa0aaff05039ae4fd0122749eda472807d4198981aa6ceffeba6d2b23d7ad08d7d96983dbd8539cf6b07e46e157f4

memory/2828-14-0x0000000000400000-0x0000000000449000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-23 08:56

Reported

2024-06-23 08:58

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_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 2220 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2220 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2220 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2220 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2220 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2220 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2220 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2220 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2220 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2220 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2220 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2220 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
PID 2220 wrote to memory of 4200 N/A C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4200 -ip 4200

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4200 -s 1448

Network

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

Files

memory/2220-1-0x0000000000550000-0x0000000000650000-memory.dmp

memory/4200-2-0x0000000000400000-0x0000000000449000-memory.dmp

memory/4200-5-0x0000000000400000-0x0000000000449000-memory.dmp

memory/2220-4-0x0000000000980000-0x00000000009C5000-memory.dmp

memory/4200-6-0x0000000000400000-0x0000000000449000-memory.dmp