Malware Analysis Report

2024-09-22 16:25

Sample ID 231225-r96afaecc8
Target 273f1af201e27a51355ae1a73542a480
SHA256 32ff140729fa9a72bbbff9500b010914da021a947bfeecb4917a2f6971fac33a
Tags
fickerstealer infostealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

32ff140729fa9a72bbbff9500b010914da021a947bfeecb4917a2f6971fac33a

Threat Level: Known bad

The file 273f1af201e27a51355ae1a73542a480 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

2023-12-25 14:54

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-25 14:54

Reported

2023-12-28 16:56

Platform

win10v2004-20231222-en

Max time kernel

142s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.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 5012 set thread context of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 5012 wrote to memory of 5096 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe

Processes

C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe

"C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe"

C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe

"C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 8.8.8.8:53 g.bing.com udp
US 173.231.16.77:80 api.ipify.org tcp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 20.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 191.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.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 8.8.8.8:53 115.192.87.80.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 195.233.44.23.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 16.234.44.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 203.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/5012-2-0x0000000004E80000-0x0000000004EC7000-memory.dmp

memory/5096-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/5096-6-0x0000000000400000-0x000000000044F000-memory.dmp

memory/5096-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/5012-1-0x0000000003300000-0x0000000003400000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/5096-12-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-25 14:54

Reported

2023-12-28 16:56

Platform

win7-20231215-en

Max time kernel

141s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.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 2896 set thread context of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe
PID 2896 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe

Processes

C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe

"C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe"

C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.exe

"C:\Users\Admin\AppData\Local\Temp\273f1af201e27a51355ae1a73542a480.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/2312-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2896-1-0x0000000003300000-0x0000000003400000-memory.dmp

memory/2896-4-0x00000000002C0000-0x0000000000307000-memory.dmp

memory/2312-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2312-7-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2312-8-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/2312-14-0x0000000000400000-0x000000000044F000-memory.dmp