Malware Analysis Report

2024-09-22 16:26

Sample ID 231225-ehy1tsddcl
Target 04353d6c598d4c4747eefe57006b1bdf
SHA256 8e6e28b85a43a315f3fe66cef6584d9e3d0f6b095732a88f4303e685c2fb9e9b
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

8e6e28b85a43a315f3fe66cef6584d9e3d0f6b095732a88f4303e685c2fb9e9b

Threat Level: Known bad

The file 04353d6c598d4c4747eefe57006b1bdf 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 03:57

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-25 03:57

Reported

2023-12-25 13:25

Platform

win7-20231215-en

Max time kernel

162s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.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 3044 set thread context of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 3044 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe

Processes

C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe

"C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe"

C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe

"C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.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/3044-1-0x0000000000520000-0x0000000000620000-memory.dmp

memory/3044-3-0x00000000002C0000-0x0000000000307000-memory.dmp

memory/3040-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/3040-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/3040-8-0x0000000000400000-0x000000000044F000-memory.dmp

memory/3040-7-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/3040-14-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-25 03:57

Reported

2023-12-25 13:24

Platform

win10v2004-20231222-en

Max time kernel

144s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.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 1924 set thread context of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe
PID 1924 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe

Processes

C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe

"C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe"

C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.exe

"C:\Users\Admin\AppData\Local\Temp\04353d6c598d4c4747eefe57006b1bdf.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
US 8.8.8.8:53 6.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 212.62.237.104.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 115.192.87.80.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.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 41.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 104.193.132.51.in-addr.arpa udp

Files

memory/1924-1-0x0000000000700000-0x0000000000800000-memory.dmp

memory/1924-2-0x00000000020A0000-0x00000000020E7000-memory.dmp

memory/4988-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/4988-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/4988-6-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/4988-12-0x0000000000400000-0x000000000044F000-memory.dmp