Malware Analysis Report

2024-09-22 16:26

Sample ID 231224-s931rahfh3
Target 0462b2c5b2f0efb79d2681f5ad62508d
SHA256 43f3454b59d1da36302b70fba810f63c4e561915bb81032c123d9bdcfceff0b8
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

43f3454b59d1da36302b70fba810f63c4e561915bb81032c123d9bdcfceff0b8

Threat Level: Known bad

The file 0462b2c5b2f0efb79d2681f5ad62508d 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

2023-12-24 15:50

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-24 15:50

Reported

2023-12-24 22:06

Platform

win7-20231129-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.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 2004 set thread context of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2004 wrote to memory of 1472 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe

"C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe"

C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe

"C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.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/1472-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1472-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2004-4-0x0000000000642000-0x000000000066B000-memory.dmp

memory/2004-5-0x0000000000220000-0x0000000000267000-memory.dmp

memory/1472-7-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1472-8-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/1472-14-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2004-16-0x0000000000220000-0x0000000000267000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-24 15:50

Reported

2023-12-24 22:06

Platform

win10v2004-20231215-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.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 4036 set thread context of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 4036 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe

"C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe"

C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe

"C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 6.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 104.237.62.212:80 api.ipify.org tcp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 212.62.237.104.in-addr.arpa udp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 57.169.31.20.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 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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

Files

memory/4036-2-0x00000000021B0000-0x00000000021F7000-memory.dmp

memory/216-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/216-6-0x0000000000400000-0x000000000044F000-memory.dmp

memory/216-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/4036-1-0x0000000000500000-0x0000000000600000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/216-12-0x0000000000400000-0x000000000044F000-memory.dmp