Malware Analysis Report

2024-09-22 16:25

Sample ID 231225-zag3kabbg2
Target 3b5e9f4c6084ea2829600331178d9c03
SHA256 4315d8ec233574613d2ed77b9f38a803cc43d6370a2333ac5347bc9cac9eb313
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

4315d8ec233574613d2ed77b9f38a803cc43d6370a2333ac5347bc9cac9eb313

Threat Level: Known bad

The file 3b5e9f4c6084ea2829600331178d9c03 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 20:30

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-25 20:30

Reported

2023-12-29 11:41

Platform

win7-20231215-en

Max time kernel

144s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.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 3032 set thread context of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 3032 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe

"C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe"

C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe

"C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.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/3032-4-0x0000000000220000-0x0000000000267000-memory.dmp

memory/1728-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/3032-2-0x0000000000550000-0x0000000000650000-memory.dmp

memory/1728-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1728-7-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1728-8-0x0000000000400000-0x000000000044F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\4K0WM73A\U4NCCIMR.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/1728-15-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-25 20:30

Reported

2023-12-29 11:41

Platform

win10v2004-20231215-en

Max time kernel

143s

Max time network

133s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.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 960 set thread context of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe
PID 960 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe

"C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe"

C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.exe

"C:\Users\Admin\AppData\Local\Temp\3b5e9f4c6084ea2829600331178d9c03.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 5.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 api.ipify.org udp
US 104.237.62.212:80 api.ipify.org tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 32.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 8.8.8.8:53 115.192.87.80.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 167.109.18.2.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.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 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 udp
N/A 2.18.110.57:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 88.221.134.18:80 tcp
GB 88.221.134.18:80 tcp
GB 87.248.205.0:80 tcp
US 8.8.8.8:53 udp
GB 88.221.134.32:80 tcp
GB 88.221.134.32:80 tcp
GB 88.221.134.32:80 tcp
GB 88.221.134.32:80 tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 udp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
GB 88.221.134.18:80 tcp
GB 87.248.205.0:80 tcp
GB 87.248.205.0:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 udp
GB 88.221.134.18:80 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 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/2864-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2864-6-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2864-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/960-2-0x00000000021D0000-0x0000000002217000-memory.dmp

memory/960-1-0x00000000004A0000-0x00000000005A0000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/2864-12-0x0000000000400000-0x000000000044F000-memory.dmp