Malware Analysis Report

2024-09-22 16:25

Sample ID 231231-cbfvkahggr
Target 237c10d4fbbc7218229e3b41aceb1a0d
SHA256 79877ff84a9faa5618a8eb36af74ab50431dcb8dc6afb923e0010518e03d49a5
Tags
fickerstealer infostealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

79877ff84a9faa5618a8eb36af74ab50431dcb8dc6afb923e0010518e03d49a5

Threat Level: Known bad

The file 237c10d4fbbc7218229e3b41aceb1a0d 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 01:53

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-31 01:53

Reported

2024-01-01 20:55

Platform

win10v2004-20231222-en

Max time kernel

146s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.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 2100 set thread context of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2100 wrote to memory of 5068 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe

Processes

C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe

"C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe"

C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe

"C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe"

Network

Country Destination Domain Proto
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 18.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 156.227.185.64.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
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 52.111.229.43:443 tcp
US 8.8.8.8:53 43.229.111.52.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 8.8.8.8:53 183.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 37.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 140.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.12.23.50:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 51.104.136.2:443 tcp
US 8.8.8.8:53 udp
N/A 51.104.136.2:443 tcp
N/A 51.104.136.2:443 tcp
N/A 20.12.23.50:443 tcp
N/A 20.12.23.50:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 20.12.23.50:443 tcp
N/A 20.12.23.50:443 tcp
N/A 20.12.23.50:443 tcp
US 8.8.8.8:53 udp
N/A 104.91.71.140:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 96.17.178.140:80 tcp
GB 96.17.178.140:80 tcp
GB 96.17.178.140:80 tcp
GB 96.17.178.140:80 tcp
GB 96.17.178.140:80 tcp
GB 96.17.178.140:80 tcp
GB 96.17.178.140:80 tcp
GB 96.17.178.140:80 tcp
GB 96.17.178.140:80 tcp
GB 96.17.178.140:80 tcp
GB 96.17.178.140:80 tcp
GB 96.17.178.140:80 tcp
GB 96.17.178.140:80 tcp
GB 96.17.178.140:80 tcp

Files

memory/5068-6-0x0000000000400000-0x000000000044F000-memory.dmp

memory/5068-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/5068-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2100-2-0x0000000003540000-0x0000000003587000-memory.dmp

memory/2100-1-0x0000000003620000-0x0000000003720000-memory.dmp

memory/5068-12-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-31 01:53

Reported

2024-01-01 20:55

Platform

win7-20231215-en

Max time kernel

144s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.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 2976 set thread context of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe
PID 2976 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe

Processes

C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe

"C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe"

C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe

"C:\Users\Admin\AppData\Local\Temp\237c10d4fbbc7218229e3b41aceb1a0d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 64.185.227.156:80 api.ipify.org tcp
RU 80.87.192.115:80 tcp

Files

memory/2976-1-0x0000000000290000-0x0000000000390000-memory.dmp

memory/2976-3-0x0000000003270000-0x00000000032B7000-memory.dmp

memory/2992-8-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2992-7-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2992-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2992-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/2992-14-0x0000000000400000-0x000000000044F000-memory.dmp