Malware Analysis Report

2024-09-22 16:25

Sample ID 231227-3vbcascefk
Target bb63e42e54a05254ef6548d0b3f47cd4
SHA256 2c04fcbd90a80c7fd194b868b2d9d7dfc8622e98487e65560375e873034a6899
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

2c04fcbd90a80c7fd194b868b2d9d7dfc8622e98487e65560375e873034a6899

Threat Level: Known bad

The file bb63e42e54a05254ef6548d0b3f47cd4 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

2023-12-27 23:49

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-27 23:49

Reported

2023-12-29 12:03

Platform

win7-20231215-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.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 1620 set thread context of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 1620 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe

Processes

C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe

"C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe"

C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe

"C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.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/1708-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1708-8-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1708-7-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1620-6-0x00000000032A0000-0x00000000032E7000-memory.dmp

memory/1620-4-0x0000000000270000-0x0000000000370000-memory.dmp

memory/1708-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/1708-14-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-27 23:49

Reported

2023-12-29 12:03

Platform

win10v2004-20231222-en

Max time kernel

142s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.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 2972 set thread context of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe
PID 2972 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe

Processes

C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe

"C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe"

C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe

"C:\Users\Admin\AppData\Local\Temp\bb63e42e54a05254ef6548d0b3f47cd4.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 api.ipify.org udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 173.231.16.77:80 api.ipify.org tcp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 77.16.231.173.in-addr.arpa udp
US 8.8.8.8:53 115.192.87.80.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 177.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/2972-1-0x0000000003560000-0x0000000003660000-memory.dmp

memory/2972-2-0x0000000005000000-0x0000000005047000-memory.dmp

memory/2816-6-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2816-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2816-3-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/2816-12-0x0000000000400000-0x000000000044F000-memory.dmp