Malware Analysis Report

2024-09-22 16:25

Sample ID 240101-yefjvsgchn
Target 3da310046da9a804ca0757cbfafc0c72.exe
SHA256 f66d8290b683a6de6c3a793046d8b2f908d14459d90efe21704711d9854f0306
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

f66d8290b683a6de6c3a793046d8b2f908d14459d90efe21704711d9854f0306

Threat Level: Known bad

The file 3da310046da9a804ca0757cbfafc0c72.exe was found to be: Known bad.

Malicious Activity Summary

fickerstealer infostealer

Fickerstealer

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-01 19:41

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-01 19:41

Reported

2024-01-01 19:44

Platform

win7-20231215-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.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 SetThreadContext

Description Indicator Process Target
PID 2076 set thread context of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2076 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe

"C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe"

C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe

"C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 173.231.16.77:80 api.ipify.org tcp
RU 80.87.192.115:80 tcp

Files

memory/2076-6-0x0000000000220000-0x0000000000267000-memory.dmp

memory/1836-8-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1836-7-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2076-5-0x0000000000692000-0x00000000006BA000-memory.dmp

memory/1836-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1836-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/1836-14-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2076-16-0x0000000000220000-0x0000000000267000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-01 19:41

Reported

2024-01-01 19:44

Platform

win10v2004-20231222-en

Max time kernel

1s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.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 SetThreadContext

Description Indicator Process Target
PID 2008 set thread context of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe
PID 2008 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe

"C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe"

C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe

"C:\Users\Admin\AppData\Local\Temp\3da310046da9a804ca0757cbfafc0c72.exe"

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 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 173.231.16.77:80 api.ipify.org tcp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 77.16.231.173.in-addr.arpa udp
US 8.8.8.8:53 115.192.87.80.in-addr.arpa udp
US 8.8.8.8:53 23.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 53.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
GB 96.17.179.80:80 tcp
GB 23.44.233.195:443 tcp
US 204.79.197.200:443 tcp
GB 96.17.179.80:80 tcp
GB 96.17.179.62:80 tcp
GB 96.17.179.62:80 tcp

Files

memory/2196-6-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2196-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2196-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2008-2-0x00000000021F0000-0x0000000002237000-memory.dmp

memory/2008-1-0x00000000004C0000-0x00000000005C0000-memory.dmp

memory/2196-12-0x0000000000400000-0x000000000044F000-memory.dmp