Malware Analysis Report

2025-04-14 05:14

Sample ID 201207-s2z6vpd8bn
Target tKfuvt0R6K5VBfC.exe
SHA256 46147dd9c691040775f75895df40c6859409a203990a6a96a725e3625c2ddf63
Tags
masslogger spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

46147dd9c691040775f75895df40c6859409a203990a6a96a725e3625c2ddf63

Threat Level: Known bad

The file tKfuvt0R6K5VBfC.exe was found to be: Known bad.

Malicious Activity Summary

masslogger spyware stealer

MassLogger Main Payload

MassLogger

Checks computer location settings

Reads user/profile data of web browsers

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-12-07 14:13

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-12-07 14:13

Reported

2020-12-07 14:15

Platform

win7v20201028

Max time kernel

127s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe"

Signatures

MassLogger

stealer spyware masslogger

MassLogger Main Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe N/A

Reads user/profile data of web browsers

spyware

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 276 set thread context of 396 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 276 wrote to memory of 432 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 276 wrote to memory of 432 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 276 wrote to memory of 432 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 276 wrote to memory of 432 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 276 wrote to memory of 396 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 276 wrote to memory of 396 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 276 wrote to memory of 396 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 276 wrote to memory of 396 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 276 wrote to memory of 396 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 276 wrote to memory of 396 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 276 wrote to memory of 396 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 276 wrote to memory of 396 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 276 wrote to memory of 396 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 396 wrote to memory of 1468 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 396 wrote to memory of 1468 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 396 wrote to memory of 1468 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 396 wrote to memory of 1468 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe

"C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe"

C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe

"{path}"

C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe

"{path}"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe'

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 23.21.252.4:80 api.ipify.org tcp
N/A 8.8.8.8:53 leee.maaig.com udp
N/A 209.205.206.58:80 leee.maaig.com tcp
N/A 209.205.206.58:80 leee.maaig.com tcp
N/A 8.8.8.8:53 maaig.com udp
N/A 209.205.206.58:21 maaig.com tcp
N/A 8.8.8.8:53 mail.vitracer.com udp
N/A 185.138.42.78:587 mail.vitracer.com tcp
N/A 8.8.8.8:53 www.download.windowsupdate.com udp

Files

memory/276-2-0x00000000747A0000-0x0000000074E8E000-memory.dmp

memory/276-3-0x0000000001210000-0x0000000001211000-memory.dmp

memory/276-5-0x00000000002D0000-0x00000000002DE000-memory.dmp

memory/276-6-0x00000000083C0000-0x0000000008492000-memory.dmp

memory/396-7-0x0000000000400000-0x0000000000486000-memory.dmp

memory/396-8-0x0000000000481BCE-mapping.dmp

memory/396-9-0x0000000000400000-0x0000000000486000-memory.dmp

memory/396-10-0x0000000000400000-0x0000000000486000-memory.dmp

memory/396-11-0x00000000747A0000-0x0000000074E8E000-memory.dmp

memory/1468-14-0x0000000000000000-mapping.dmp

memory/396-16-0x00000000063E0000-0x000000000646D000-memory.dmp

memory/396-15-0x0000000001080000-0x00000000010B9000-memory.dmp

memory/1468-17-0x00000000747A0000-0x0000000074E8E000-memory.dmp

memory/1468-18-0x0000000000A40000-0x0000000000A41000-memory.dmp

memory/1468-19-0x00000000048B0000-0x00000000048B1000-memory.dmp

memory/1468-20-0x0000000004610000-0x0000000004611000-memory.dmp

memory/1468-21-0x0000000004850000-0x0000000004851000-memory.dmp

memory/1468-24-0x0000000006150000-0x0000000006151000-memory.dmp

memory/1468-29-0x00000000056C0000-0x00000000056C1000-memory.dmp

memory/1468-30-0x0000000006190000-0x0000000006191000-memory.dmp

memory/1468-37-0x0000000006280000-0x0000000006281000-memory.dmp

memory/1468-38-0x00000000055D0000-0x00000000055D1000-memory.dmp

memory/1468-52-0x0000000006300000-0x0000000006301000-memory.dmp

memory/1468-53-0x0000000006310000-0x0000000006311000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-12-07 14:13

Reported

2020-12-07 14:15

Platform

win10v20201028

Max time kernel

69s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe"

Signatures

MassLogger

stealer spyware masslogger

MassLogger Main Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe N/A

Reads user/profile data of web browsers

spyware

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 644 set thread context of 744 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 644 wrote to memory of 744 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 644 wrote to memory of 744 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 644 wrote to memory of 744 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 644 wrote to memory of 744 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 644 wrote to memory of 744 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 644 wrote to memory of 744 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 644 wrote to memory of 744 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 644 wrote to memory of 744 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 744 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 744 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 744 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe

"C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe"

C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe

"{path}"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe'

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 23.21.252.4:80 api.ipify.org tcp
N/A 8.8.8.8:53 leee.maaig.com udp
N/A 209.205.206.58:80 leee.maaig.com tcp
N/A 209.205.206.58:80 leee.maaig.com tcp
N/A 8.8.8.8:53 maaig.com udp
N/A 209.205.206.58:21 maaig.com tcp
N/A 8.8.8.8:53 mail.vitracer.com udp
N/A 185.138.42.78:587 mail.vitracer.com tcp

Files

memory/644-2-0x0000000073F80000-0x000000007466E000-memory.dmp

memory/644-3-0x00000000009C0000-0x00000000009C1000-memory.dmp

memory/644-5-0x0000000005820000-0x0000000005821000-memory.dmp

memory/644-6-0x0000000005320000-0x0000000005321000-memory.dmp

memory/644-7-0x00000000052D0000-0x00000000052D1000-memory.dmp

memory/644-8-0x0000000008D20000-0x0000000008D21000-memory.dmp

memory/644-9-0x0000000008870000-0x000000000887E000-memory.dmp

memory/644-10-0x0000000009350000-0x0000000009422000-memory.dmp

memory/644-11-0x00000000094D0000-0x00000000094D1000-memory.dmp

memory/744-12-0x0000000000400000-0x0000000000486000-memory.dmp

memory/744-13-0x0000000000481BCE-mapping.dmp

memory/744-15-0x0000000073F80000-0x000000007466E000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\tKfuvt0R6K5VBfC.exe.log

MD5 3fed8d1dd11972a6e2603bb2d73a3ee5
SHA1 7ecb7f64ade7b91c5815da647e84167c3d95afb4
SHA256 eecf6c0575dc995a485d46a5daaa66f58229e552f16782d873834d218ab17551
SHA512 ca6059eb67f800cc666d5146d24070abf5ee08209f8f9d1668a0ca2201eb3f6fa013c2d807b09925e12b82c37686980fcc26a6a5e4a5ba129c4b2a585961d3bb

memory/744-20-0x00000000061A0000-0x00000000061A1000-memory.dmp

memory/2192-21-0x0000000000000000-mapping.dmp

memory/744-24-0x0000000006AB0000-0x0000000006AB1000-memory.dmp

memory/2192-23-0x0000000073F80000-0x000000007466E000-memory.dmp

memory/2192-25-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

memory/2192-27-0x0000000007690000-0x0000000007691000-memory.dmp

memory/744-28-0x0000000007F60000-0x0000000007F99000-memory.dmp

memory/744-29-0x0000000007FA0000-0x000000000802D000-memory.dmp

memory/2192-30-0x0000000007640000-0x0000000007641000-memory.dmp

memory/2192-31-0x0000000007D30000-0x0000000007D31000-memory.dmp

memory/744-36-0x0000000008040000-0x0000000008041000-memory.dmp

memory/2192-38-0x0000000008280000-0x0000000008281000-memory.dmp

memory/2192-39-0x0000000008740000-0x0000000008741000-memory.dmp

memory/2192-40-0x0000000008680000-0x0000000008681000-memory.dmp

memory/2192-42-0x0000000009430000-0x0000000009463000-memory.dmp

memory/2192-49-0x0000000009410000-0x0000000009411000-memory.dmp

memory/2192-50-0x0000000009790000-0x0000000009791000-memory.dmp

memory/2192-51-0x0000000009950000-0x0000000009951000-memory.dmp

memory/2192-52-0x0000000009910000-0x0000000009911000-memory.dmp

memory/2192-54-0x0000000009900000-0x0000000009901000-memory.dmp