Malware Analysis Report

2024-09-22 16:27

Sample ID 231228-gfnheschf9
Target c8b6cdc61f0434ad4184c82017b3b61e
SHA256 650d6515a224637d65394be9f6a5790cf09ba5e0da0099b4c4b274b62beb008b
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

650d6515a224637d65394be9f6a5790cf09ba5e0da0099b4c4b274b62beb008b

Threat Level: Known bad

The file c8b6cdc61f0434ad4184c82017b3b61e 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

2023-12-28 05:44

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-28 05:44

Reported

2024-01-08 07:14

Platform

win7-20231129-en

Max time kernel

141s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.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 2856 set thread context of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 2856 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe

"C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe"

C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe

"C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.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
RU 80.87.192.115:80 tcp
RU 80.87.192.115:80 tcp
RU 80.87.192.115:80 tcp
RU 80.87.192.115:80 tcp
RU 80.87.192.115:80 tcp
RU 80.87.192.115:80 tcp
RU 80.87.192.115:80 tcp

Files

memory/2168-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2856-1-0x0000000003390000-0x0000000003490000-memory.dmp

memory/2168-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2856-4-0x0000000000220000-0x0000000000267000-memory.dmp

memory/2168-7-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2168-8-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/2168-14-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-28 05:44

Reported

2024-01-08 07:14

Platform

win10v2004-20231215-en

Max time kernel

142s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.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 1776 set thread context of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe
PID 1776 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe

"C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe"

C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe

"C:\Users\Admin\AppData\Local\Temp\c8b6cdc61f0434ad4184c82017b3b61e.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 146.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 104.237.62.212:80 api.ipify.org tcp
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 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
RU 80.87.192.115:80 tcp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
RU 80.87.192.115:80 tcp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 88.156.103.20.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
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
RU 80.87.192.115:80 tcp

Files

memory/1776-2-0x0000000004FD0000-0x0000000005017000-memory.dmp

memory/3416-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/3416-6-0x0000000000400000-0x000000000044F000-memory.dmp

memory/3416-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1776-1-0x0000000003530000-0x0000000003630000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/3416-12-0x0000000000400000-0x000000000044F000-memory.dmp