Malware Analysis Report

2024-09-22 16:27

Sample ID 240126-xczdhsdecm
Target 781a5cdfef388bc98d537b65a3df756d
SHA256 30a2f8a889552fa0206b73593d8a1b8dd7da3c0cf6d6376e8b9c0ab9cc7d082f
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

30a2f8a889552fa0206b73593d8a1b8dd7da3c0cf6d6376e8b9c0ab9cc7d082f

Threat Level: Known bad

The file 781a5cdfef388bc98d537b65a3df756d 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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-26 18:43

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-26 18:43

Reported

2024-01-26 18:45

Platform

win10v2004-20231222-en

Max time kernel

149s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.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 4724 set thread context of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4724 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

Processes

C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

"C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe"

C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 173.231.16.75:80 api.ipify.org tcp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 75.16.231.173.in-addr.arpa udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 6.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 daymong.ru udp

Files

memory/4724-0-0x0000000000660000-0x00000000006C2000-memory.dmp

memory/4724-1-0x0000000074B80000-0x0000000075330000-memory.dmp

memory/4724-2-0x00000000050C0000-0x00000000050D0000-memory.dmp

memory/4724-3-0x0000000000E40000-0x0000000000E54000-memory.dmp

memory/4724-4-0x0000000005150000-0x00000000051C6000-memory.dmp

memory/4724-5-0x00000000050D0000-0x00000000050EE000-memory.dmp

memory/5040-6-0x0000000000400000-0x000000000044E000-memory.dmp

memory/4724-10-0x0000000074B80000-0x0000000075330000-memory.dmp

memory/5040-9-0x0000000000400000-0x000000000044E000-memory.dmp

memory/5040-11-0x0000000000400000-0x000000000044E000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/5040-17-0x0000000000400000-0x000000000044E000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-26 18:43

Reported

2024-01-26 18:45

Platform

win7-20231215-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.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 2364 set thread context of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2364 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

Processes

C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

"C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe"

C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 64.185.227.156:80 api.ipify.org tcp
US 8.8.8.8:53 daymong.ru udp

Files

memory/2364-0-0x0000000000DB0000-0x0000000000E12000-memory.dmp

memory/2364-1-0x0000000074400000-0x0000000074AEE000-memory.dmp

memory/2364-2-0x0000000004DB0000-0x0000000004DF0000-memory.dmp

memory/2364-3-0x0000000000200000-0x0000000000214000-memory.dmp

memory/2796-4-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2364-6-0x0000000074400000-0x0000000074AEE000-memory.dmp

memory/2796-7-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2796-8-0x0000000000400000-0x000000000044E000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/2796-14-0x0000000000400000-0x000000000044E000-memory.dmp