Malware Analysis Report

2025-04-14 05:14

Sample ID 201207-y1rzmy7v32
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

MassLogger Main Payload

Checks computer location settings

Reads user/profile data of web browsers

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

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

64s

Max time network

116s

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 2028 set thread context of 1992 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 2028 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 2028 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 1992 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1992 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1992 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1992 wrote to memory of 1532 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
N/A 8.8.8.8:53 www.download.windowsupdate.com udp

Files

memory/2028-2-0x0000000074EE0000-0x00000000755CE000-memory.dmp

memory/2028-3-0x0000000000870000-0x0000000000871000-memory.dmp

memory/2028-5-0x0000000000490000-0x000000000049E000-memory.dmp

memory/2028-6-0x0000000008360000-0x0000000008432000-memory.dmp

memory/1992-7-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1992-8-0x0000000000481BCE-mapping.dmp

memory/1992-9-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1992-10-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1992-11-0x0000000074EE0000-0x00000000755CE000-memory.dmp

memory/1532-14-0x0000000000000000-mapping.dmp

memory/1532-15-0x0000000074EE0000-0x00000000755CE000-memory.dmp

memory/1992-16-0x00000000041B0000-0x00000000041E9000-memory.dmp

memory/1532-17-0x0000000002280000-0x0000000002281000-memory.dmp

memory/1532-19-0x0000000004720000-0x0000000004721000-memory.dmp

memory/1992-18-0x00000000065E0000-0x000000000666D000-memory.dmp

memory/1532-20-0x0000000002490000-0x0000000002491000-memory.dmp

memory/1532-21-0x0000000005240000-0x0000000005241000-memory.dmp

memory/1532-24-0x0000000006070000-0x0000000006071000-memory.dmp

memory/1532-29-0x00000000056B0000-0x00000000056B1000-memory.dmp

memory/1532-30-0x00000000060E0000-0x00000000060E1000-memory.dmp

memory/1532-37-0x0000000006240000-0x0000000006241000-memory.dmp

memory/1532-38-0x0000000005610000-0x0000000005611000-memory.dmp

memory/1532-52-0x0000000006300000-0x0000000006301000-memory.dmp

memory/1532-53-0x0000000006310000-0x0000000006311000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-12-07 14:13

Reported

2020-12-07 14:15

Platform

win10v20201028

Max time kernel

131s

Max time network

150s

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-1-5-21-3341490333-719741536-2920803124-1000\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 4756 set thread context of 584 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 4756 wrote to memory of 3324 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 3324 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 3324 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 520 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 520 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 520 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 4756 wrote to memory of 584 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe
PID 584 wrote to memory of 1316 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 584 wrote to memory of 1316 N/A C:\Users\Admin\AppData\Local\Temp\tKfuvt0R6K5VBfC.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 584 wrote to memory of 1316 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:\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/4756-2-0x0000000073150000-0x000000007383E000-memory.dmp

memory/4756-3-0x0000000000F10000-0x0000000000F11000-memory.dmp

memory/4756-5-0x0000000005C80000-0x0000000005C81000-memory.dmp

memory/4756-6-0x0000000005830000-0x0000000005831000-memory.dmp

memory/4756-7-0x00000000058D0000-0x00000000058D1000-memory.dmp

memory/4756-8-0x0000000009180000-0x0000000009181000-memory.dmp

memory/4756-9-0x0000000008DC0000-0x0000000008DCE000-memory.dmp

memory/4756-10-0x00000000098B0000-0x0000000009982000-memory.dmp

memory/4756-11-0x0000000009A30000-0x0000000009A31000-memory.dmp

memory/584-12-0x0000000000400000-0x0000000000486000-memory.dmp

memory/584-13-0x0000000000481BCE-mapping.dmp

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

MD5 3fed8d1dd11972a6e2603bb2d73a3ee5
SHA1 7ecb7f64ade7b91c5815da647e84167c3d95afb4
SHA256 eecf6c0575dc995a485d46a5daaa66f58229e552f16782d873834d218ab17551
SHA512 ca6059eb67f800cc666d5146d24070abf5ee08209f8f9d1668a0ca2201eb3f6fa013c2d807b09925e12b82c37686980fcc26a6a5e4a5ba129c4b2a585961d3bb

memory/584-15-0x0000000073150000-0x000000007383E000-memory.dmp

memory/584-20-0x0000000006720000-0x0000000006721000-memory.dmp

memory/1316-21-0x0000000000000000-mapping.dmp

memory/584-23-0x0000000007030000-0x0000000007031000-memory.dmp

memory/1316-24-0x0000000073150000-0x000000007383E000-memory.dmp

memory/1316-26-0x0000000004630000-0x0000000004631000-memory.dmp

memory/1316-27-0x0000000007250000-0x0000000007251000-memory.dmp

memory/584-28-0x0000000008540000-0x0000000008579000-memory.dmp

memory/584-29-0x0000000008580000-0x000000000860D000-memory.dmp

memory/584-30-0x00000000081D0000-0x00000000081D1000-memory.dmp

memory/1316-32-0x0000000007150000-0x0000000007151000-memory.dmp

memory/584-33-0x0000000008610000-0x0000000008611000-memory.dmp

memory/1316-36-0x00000000078E0000-0x00000000078E1000-memory.dmp

memory/1316-37-0x0000000008360000-0x0000000008361000-memory.dmp

memory/1316-38-0x00000000080E0000-0x00000000080E1000-memory.dmp

memory/1316-40-0x0000000008EF0000-0x0000000008F23000-memory.dmp

memory/1316-47-0x0000000008ED0000-0x0000000008ED1000-memory.dmp

memory/1316-48-0x0000000009250000-0x0000000009251000-memory.dmp

memory/1316-49-0x0000000009410000-0x0000000009411000-memory.dmp

memory/1316-50-0x00000000093C0000-0x00000000093C1000-memory.dmp

memory/1316-52-0x00000000093B0000-0x00000000093B1000-memory.dmp