Malware Analysis Report

2024-09-22 16:25

Sample ID 231226-r7bm2shagq
Target 76d7f252e4ee38accd3622709f8c522d
SHA256 ae02b8a195f1469f4c43c36b67a0a553842fc3b455ee878e13ee5d642a0e8c24
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

ae02b8a195f1469f4c43c36b67a0a553842fc3b455ee878e13ee5d642a0e8c24

Threat Level: Known bad

The file 76d7f252e4ee38accd3622709f8c522d 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

2023-12-26 14:49

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-26 14:49

Reported

2023-12-28 02:13

Platform

win7-20231215-en

Max time kernel

169s

Max time network

162s

Command Line

"C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.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 2272 set thread context of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 2272 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe

Processes

C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe

"C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe"

C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe

"C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.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

Files

memory/2272-1-0x0000000000540000-0x0000000000640000-memory.dmp

memory/2272-3-0x00000000002E0000-0x0000000000327000-memory.dmp

memory/2812-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2812-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2812-8-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2812-7-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/2812-14-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-26 14:49

Reported

2023-12-28 02:12

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.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 4396 set thread context of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe
PID 4396 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe

Processes

C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe

"C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe"

C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe

"C:\Users\Admin\AppData\Local\Temp\76d7f252e4ee38accd3622709f8c522d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 8.8.8.8:53 3.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 182.178.17.96.in-addr.arpa udp
US 64.185.227.156:80 api.ipify.org tcp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 156.227.185.64.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 115.192.87.80.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 232.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 185.13.222.173.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 202.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 207.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 211.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
GB 96.17.178.211:80 tcp
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
US 8.8.8.8:53 64.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp

Files

memory/4396-1-0x00000000007D0000-0x00000000008D0000-memory.dmp

memory/4396-2-0x0000000000730000-0x0000000000777000-memory.dmp

memory/4432-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/4432-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/4432-6-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/4432-12-0x0000000000400000-0x000000000044F000-memory.dmp