Malware Analysis Report

2024-09-22 16:25

Sample ID 231231-efakfsdbdq
Target 27041b8e37dc80cc783f807c639c2e0e
SHA256 7aa03ed6935a820850ae6a10b4e8715123c0cf79412925a56b7c55a04b4929a6
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

7aa03ed6935a820850ae6a10b4e8715123c0cf79412925a56b7c55a04b4929a6

Threat Level: Known bad

The file 27041b8e37dc80cc783f807c639c2e0e was found to be: Known bad.

Malicious Activity Summary

fickerstealer infostealer

Fickerstealer

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-31 03:52

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-31 03:52

Reported

2024-01-02 03:39

Platform

win7-20231215-en

Max time kernel

150s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.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 2252 set thread context of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 2252 wrote to memory of 936 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe

Processes

C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe

"C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe"

C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe

"C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.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 asfasfvcxvdbs.com udp

Files

memory/2252-1-0x00000000024E0000-0x00000000025E0000-memory.dmp

memory/936-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/936-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2252-4-0x0000000000220000-0x0000000000267000-memory.dmp

memory/936-7-0x0000000000400000-0x000000000044F000-memory.dmp

memory/936-8-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/936-14-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-31 03:52

Reported

2024-01-02 03:38

Platform

win10v2004-20231215-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.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 1268 set thread context of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe
PID 1268 wrote to memory of 8 N/A C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe

Processes

C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe

"C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe"

C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe

"C:\Users\Admin\AppData\Local\Temp\27041b8e37dc80cc783f807c639c2e0e.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org 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 20.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 64.185.227.156:80 api.ipify.org tcp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 156.227.185.64.in-addr.arpa udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 196.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 asfasfvcxvdbs.com 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 asfasfvcxvdbs.com udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
GB 88.221.134.32:80 tcp
GB 88.221.134.32:80 tcp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
GB 96.17.178.176:80 tcp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 asfasfvcxvdbs.com udp

Files

memory/1268-1-0x0000000002520000-0x0000000002620000-memory.dmp

memory/1268-2-0x00000000023D0000-0x0000000002417000-memory.dmp

memory/8-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/8-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/8-6-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/8-12-0x0000000000400000-0x000000000044F000-memory.dmp