Malware Analysis Report

2024-09-22 16:24

Sample ID 231225-elscfsdhar
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

2023-12-25 04:02

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-25 04:02

Reported

2023-12-25 13:31

Platform

win7-20231215-en

Max time kernel

143s

Max time network

136s

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 2776 set thread context of 2380 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 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 2776 wrote to memory of 2380 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 64.185.227.156:80 api.ipify.org tcp
RU 80.87.192.115:80 tcp

Files

memory/2380-4-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2380-7-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2776-6-0x00000000002D0000-0x0000000000317000-memory.dmp

memory/2380-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2776-1-0x0000000000510000-0x0000000000610000-memory.dmp

memory/2380-8-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/2380-14-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-25 04:02

Reported

2023-12-25 13:32

Platform

win10v2004-20231215-en

Max time kernel

149s

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 1244 set thread context of 1732 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 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe C:\Users\Admin\AppData\Local\Temp\0462b2c5b2f0efb79d2681f5ad62508d.exe
PID 1244 wrote to memory of 1732 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 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 85.177.190.20.in-addr.arpa udp
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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 212.62.237.104.in-addr.arpa udp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 115.192.87.80.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 67.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 218.135.221.88.in-addr.arpa udp
US 138.91.171.81:80 tcp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 43.134.221.88.in-addr.arpa udp
GB 88.221.134.67:80 tcp
GB 88.221.134.67:80 tcp
GB 88.221.134.67:80 tcp
GB 88.221.134.67:80 tcp
GB 88.221.134.67:80 tcp
GB 88.221.134.67:80 tcp
GB 88.221.134.67:80 tcp
GB 88.221.134.67:80 tcp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.199.58.43:443 tcp
GB 88.221.134.67:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 23.236.111.52.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 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 210.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 24.134.221.88.in-addr.arpa udp
GB 88.221.134.67:80 tcp
GB 88.221.134.67:80 tcp

Files

memory/1732-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1732-6-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1732-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1244-2-0x00000000020B0000-0x00000000020F7000-memory.dmp

memory/1244-1-0x00000000006D0000-0x00000000007D0000-memory.dmp

memory/1732-12-0x0000000000400000-0x000000000044F000-memory.dmp