Malware Analysis Report

2024-11-13 16:48

Sample ID 200916-s3m5d5whta
Target update-recharge.exe
SHA256 68a83d0a3bfcd1bcebf35eeba2bd778b2b64516f73cb2932ad9e6e4667dd9781
Tags
buer loader
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

68a83d0a3bfcd1bcebf35eeba2bd778b2b64516f73cb2932ad9e6e4667dd9781

Threat Level: Known bad

The file update-recharge.exe was found to be: Known bad.

Malicious Activity Summary

buer loader

Buer

Buer Loader

Drops startup file

Enumerates connected drives

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-09-16 16:35

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-09-16 16:35

Reported

2020-09-16 16:37

Platform

win7

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\update-recharge.exe"

Signatures

Buer

loader buer

Buer Loader

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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HJdyTuap.exe C:\Users\Admin\AppData\Local\Temp\update-recharge.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\S: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\V: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\W: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\A: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\E: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\O: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\P: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\Q: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\U: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\F: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\I: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\J: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\K: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\T: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\Y: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\Z: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\B: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\H: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\L: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\R: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\X: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\G: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\M: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\N: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 896 set thread context of 1568 N/A C:\Users\Admin\AppData\Local\Temp\update-recharge.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious behavior: MapViewOfSection

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 896 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\update-recharge.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 896 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\update-recharge.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 896 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\update-recharge.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 896 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\update-recharge.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 896 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\update-recharge.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 896 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\update-recharge.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 896 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\update-recharge.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 896 wrote to memory of 1568 N/A C:\Users\Admin\AppData\Local\Temp\update-recharge.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1568 wrote to memory of 2020 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1568 wrote to memory of 2020 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1568 wrote to memory of 2020 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1568 wrote to memory of 2020 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1568 wrote to memory of 2020 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1568 wrote to memory of 2020 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1568 wrote to memory of 2020 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\update-recharge.exe

"C:\Users\Admin\AppData\Local\Temp\update-recharge.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

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

powershell.exe -Command "& {Add-MpPreference -ExclusionPath C:\ProgramData\c586a117efff54465c0a}"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 kackdelar.top udp
N/A 8.8.8.8:53 kackdelar.top udp
N/A 8.8.8.8:53 kackdelar.top udp

Files

memory/896-0-0x0000000073E30000-0x000000007451E000-memory.dmp

memory/896-1-0x0000000000E00000-0x0000000000E01000-memory.dmp

memory/896-3-0x00000000008F0000-0x0000000000901000-memory.dmp

memory/1568-5-0x0000000040000000-0x000000004000C000-memory.dmp

memory/1568-6-0x0000000040002E38-mapping.dmp

memory/1568-7-0x0000000040000000-0x000000004000C000-memory.dmp

memory/2020-8-0x0000000000000000-mapping.dmp

memory/2020-9-0x0000000073BA0000-0x000000007428E000-memory.dmp

memory/2020-10-0x00000000022D0000-0x00000000022D1000-memory.dmp

memory/2020-11-0x0000000004990000-0x0000000004991000-memory.dmp

memory/2020-12-0x00000000025B0000-0x00000000025B1000-memory.dmp

memory/2020-13-0x0000000002870000-0x0000000002871000-memory.dmp

memory/2020-16-0x0000000005740000-0x0000000005741000-memory.dmp

memory/2020-21-0x00000000057D0000-0x00000000057D1000-memory.dmp

memory/2020-22-0x0000000005830000-0x0000000005831000-memory.dmp

memory/2020-29-0x0000000006320000-0x0000000006321000-memory.dmp

memory/2020-30-0x00000000056F0000-0x00000000056F1000-memory.dmp

memory/2020-44-0x00000000063E0000-0x00000000063E1000-memory.dmp

memory/2020-45-0x00000000063F0000-0x00000000063F1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-09-16 16:35

Reported

2020-09-16 16:37

Platform

win10v200722

Max time kernel

131s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\update-recharge.exe"

Signatures

Buer

loader buer

Buer Loader

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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HJdyTuap.exe C:\Users\Admin\AppData\Local\Temp\update-recharge.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\X: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\J: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\N: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\P: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\S: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\T: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\L: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\O: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\Q: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\A: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\G: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\H: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\I: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\K: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\W: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\E: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\R: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\Y: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\Z: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\B: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\F: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\M: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\U: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
File opened (read-only) \??\V: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1568 set thread context of 3440 N/A C:\Users\Admin\AppData\Local\Temp\update-recharge.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Suspicious behavior: MapViewOfSection

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\update-recharge.exe

"C:\Users\Admin\AppData\Local\Temp\update-recharge.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

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

powershell.exe -Command "& {Add-MpPreference -ExclusionPath C:\ProgramData\b59ec9b04113fa9ce0a0}"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 kackdelar.top udp
N/A 8.8.8.8:53 kackdelar.top udp
N/A 8.8.8.8:53 kackdelar.top udp

Files

memory/1568-0-0x00000000735C0000-0x0000000073CAE000-memory.dmp

memory/1568-1-0x0000000000850000-0x0000000000851000-memory.dmp

memory/1568-3-0x00000000050D0000-0x00000000050D1000-memory.dmp

memory/1568-4-0x0000000005360000-0x0000000005371000-memory.dmp

memory/3440-6-0x0000000040000000-0x000000004000C000-memory.dmp

memory/3440-7-0x0000000040002E38-mapping.dmp

memory/3440-8-0x0000000040000000-0x000000004000C000-memory.dmp

memory/696-9-0x0000000000000000-mapping.dmp

memory/696-10-0x00000000734C0000-0x0000000073BAE000-memory.dmp

memory/696-11-0x00000000051F0000-0x00000000051F1000-memory.dmp

memory/696-12-0x0000000007A20000-0x0000000007A21000-memory.dmp

memory/696-13-0x0000000007920000-0x0000000007921000-memory.dmp

memory/696-14-0x0000000008050000-0x0000000008051000-memory.dmp

memory/696-15-0x00000000080C0000-0x00000000080C1000-memory.dmp

memory/696-16-0x00000000082B0000-0x00000000082B1000-memory.dmp

memory/696-17-0x00000000086C0000-0x00000000086C1000-memory.dmp

memory/696-18-0x0000000008B80000-0x0000000008B81000-memory.dmp

memory/696-19-0x00000000089D0000-0x00000000089D1000-memory.dmp

memory/696-21-0x00000000097B0000-0x00000000097E3000-memory.dmp

memory/696-28-0x0000000009770000-0x0000000009771000-memory.dmp

memory/696-29-0x00000000098E0000-0x00000000098E1000-memory.dmp

memory/696-30-0x0000000009CF0000-0x0000000009CF1000-memory.dmp

memory/696-31-0x0000000009BD0000-0x0000000009BD1000-memory.dmp

memory/696-33-0x00000000075A0000-0x00000000075A1000-memory.dmp