Malware Analysis Report

2024-09-22 16:25

Sample ID 231226-rfynhadbcp
Target 7478ca1f8d3491501541f9c274bc33ba
SHA256 70f7f831cf66d4871ea77ac0c19ccac7b2a4da2ce17c47853afaed30db55f9f2
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

70f7f831cf66d4871ea77ac0c19ccac7b2a4da2ce17c47853afaed30db55f9f2

Threat Level: Known bad

The file 7478ca1f8d3491501541f9c274bc33ba 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

2023-12-26 14:08

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-26 14:08

Reported

2023-12-28 01:08

Platform

win7-20231215-en

Max time kernel

143s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.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 836 set thread context of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 836 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe

"C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe"

C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe

"C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 104.237.62.212:80 api.ipify.org tcp
RU 80.87.192.115:80 tcp

Files

memory/1044-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1044-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/836-4-0x0000000000560000-0x0000000000660000-memory.dmp

memory/836-5-0x00000000002B0000-0x00000000002F7000-memory.dmp

memory/1044-7-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1044-8-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/1044-14-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-26 14:08

Reported

2023-12-28 01:08

Platform

win10v2004-20231215-en

Max time kernel

148s

Max time network

161s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.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 4520 set thread context of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe
PID 4520 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe

"C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe"

C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe

"C:\Users\Admin\AppData\Local\Temp\7478ca1f8d3491501541f9c274bc33ba.exe"

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 16.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 173.231.16.77:80 api.ipify.org tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
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 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 115.192.87.80.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 64.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 33.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 16.173.189.20.in-addr.arpa udp

Files

memory/4520-2-0x0000000002230000-0x0000000002277000-memory.dmp

memory/1924-6-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1924-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1924-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/4520-1-0x0000000000750000-0x0000000000850000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/1924-12-0x0000000000400000-0x000000000044F000-memory.dmp