Malware Analysis Report

2024-09-22 16:27

Sample ID 231231-p52eksfeb8
Target 36e7c8a3e42a6cc8b082dd1d7aec08f1
SHA256 238942efe3736ff73e7674abb5eb809c42bf0c510f6d1729344fd19b7fe5fbd5
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

238942efe3736ff73e7674abb5eb809c42bf0c510f6d1729344fd19b7fe5fbd5

Threat Level: Known bad

The file 36e7c8a3e42a6cc8b082dd1d7aec08f1 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

2023-12-31 12:55

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-31 12:55

Reported

2024-01-10 15:39

Platform

win7-20231215-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.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 1320 set thread context of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 1320 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe

Processes

C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe

"C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe"

C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe

"C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 173.231.16.76:80 api.ipify.org tcp
RU 80.87.192.115:80 tcp

Files

memory/2500-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2500-8-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2500-7-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2500-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1320-4-0x0000000000250000-0x0000000000297000-memory.dmp

memory/1320-1-0x0000000002E20000-0x0000000002F20000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/2500-14-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-31 12:55

Reported

2024-01-10 15:39

Platform

win10v2004-20231222-en

Max time kernel

146s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.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 2120 set thread context of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe
PID 2120 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe

Processes

C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe

"C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe"

C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe

"C:\Users\Admin\AppData\Local\Temp\36e7c8a3e42a6cc8b082dd1d7aec08f1.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 188.178.17.96.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 64.185.227.156:80 api.ipify.org tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 156.227.185.64.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 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 195.233.44.23.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 7.6.57.23.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 183.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
GB 96.17.178.210:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.210:80 tcp
GB 96.17.178.210:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.210:80 tcp
US 8.8.8.8:53 udp
NL 52.142.223.178:80 tcp
GB 96.17.178.210:80 tcp
GB 96.17.178.210:80 tcp
GB 96.17.178.210:80 tcp
GB 96.17.178.210:80 tcp
US 8.8.8.8:53 udp
GB 88.221.135.217:80 tcp
US 8.8.8.8:53 udp
N/A 52.111.227.11:443 tcp
GB 88.221.135.217:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
US 8.8.8.8:53 udp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
GB 88.221.135.217:80 tcp
US 8.8.8.8:53 udp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
US 8.8.8.8:53 udp
NL 52.142.223.178:80 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
US 8.8.8.8:53 udp
N/A 87.248.205.0:80 tcp
N/A 87.248.205.0:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
FR 23.57.6.7:80 tcp
US 8.8.8.8:53 udp
US 138.91.171.81:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
GB 96.17.178.188:80 tcp
US 8.8.8.8:53 udp
N/A 104.208.16.89:443 tcp
N/A 87.248.205.0:80 tcp
N/A 87.248.205.0:80 tcp
N/A 87.248.205.0:80 tcp
N/A 87.248.205.0:80 tcp
US 8.8.8.8:53 udp
N/A 93.184.221.240:80 tcp
N/A 93.184.221.240:80 tcp
US 192.229.221.95:80 tcp
N/A 93.184.221.240:80 tcp
N/A 93.184.221.240:80 tcp
US 8.8.8.8:53 udp
N/A 88.221.134.33:80 tcp
N/A 87.248.205.0:80 tcp
N/A 87.248.205.0:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 93.184.221.240:80 tcp
N/A 88.221.134.33:80 tcp
N/A 88.221.134.33:80 tcp

Files

memory/2120-2-0x00000000049D0000-0x0000000004A17000-memory.dmp

memory/756-6-0x0000000000400000-0x000000000044F000-memory.dmp

memory/756-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/756-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2120-1-0x0000000002F20000-0x0000000003020000-memory.dmp

memory/756-12-0x0000000000400000-0x000000000044F000-memory.dmp