Malware Analysis Report

2024-09-22 16:26

Sample ID 231226-sk7yeabdbq
Target 781a5cdfef388bc98d537b65a3df756d
SHA256 30a2f8a889552fa0206b73593d8a1b8dd7da3c0cf6d6376e8b9c0ab9cc7d082f
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

30a2f8a889552fa0206b73593d8a1b8dd7da3c0cf6d6376e8b9c0ab9cc7d082f

Threat Level: Known bad

The file 781a5cdfef388bc98d537b65a3df756d 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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-26 15:12

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-26 15:12

Reported

2023-12-28 02:51

Platform

win7-20231215-en

Max time kernel

149s

Max time network

172s

Command Line

"C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.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 2192 set thread context of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 2192 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

Processes

C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

"C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe"

C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.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
US 8.8.8.8:53 daymong.ru udp

Files

memory/2192-0-0x0000000000EE0000-0x0000000000F42000-memory.dmp

memory/2192-1-0x00000000746B0000-0x0000000074D9E000-memory.dmp

memory/2192-2-0x0000000000EA0000-0x0000000000EE0000-memory.dmp

memory/2192-3-0x00000000002C0000-0x00000000002D4000-memory.dmp

memory/2728-4-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2192-6-0x00000000746B0000-0x0000000074D9E000-memory.dmp

memory/2728-7-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2728-8-0x0000000000400000-0x000000000044E000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/2728-14-0x0000000000400000-0x000000000044E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-26 15:12

Reported

2023-12-28 02:52

Platform

win10v2004-20231222-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.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 4900 set thread context of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe
PID 4900 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

Processes

C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

"C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe"

C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

C:\Users\Admin\AppData\Local\Temp\781a5cdfef388bc98d537b65a3df756d.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 18.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 api.ipify.org udp
US 104.237.62.212:80 api.ipify.org tcp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 212.62.237.104.in-addr.arpa udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp
US 8.8.8.8:53 daymong.ru udp

Files

memory/4900-0-0x0000000000870000-0x00000000008D2000-memory.dmp

memory/4900-1-0x0000000074D30000-0x00000000754E0000-memory.dmp

memory/4900-2-0x0000000005220000-0x0000000005230000-memory.dmp

memory/4900-3-0x0000000001290000-0x00000000012A4000-memory.dmp

memory/4900-4-0x0000000005230000-0x00000000052A6000-memory.dmp

memory/4900-5-0x0000000005190000-0x00000000051AE000-memory.dmp

memory/968-6-0x0000000000400000-0x000000000044E000-memory.dmp

memory/4900-10-0x0000000074D30000-0x00000000754E0000-memory.dmp

memory/968-9-0x0000000000400000-0x000000000044E000-memory.dmp

memory/968-11-0x0000000000400000-0x000000000044E000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/968-17-0x0000000000400000-0x000000000044E000-memory.dmp