Malware Analysis Report

2025-01-02 14:39

Sample ID 240909-bpcjmavcrm
Target a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246
SHA256 a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246
Tags
discovery persistence upx andromeda backdoor botnet
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246

Threat Level: Known bad

The file a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246 was found to be: Known bad.

Malicious Activity Summary

discovery persistence upx andromeda backdoor botnet

Detects Andromeda payload.

Andromeda, Gamarue

Adds policy Run key to start application

Loads dropped DLL

Executes dropped EXE

UPX packed file

Checks computer location settings

Adds Run key to start application

Maps connected drives based on registry

Suspicious use of SetThreadContext

Drops file in Program Files directory

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-09 01:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-09 01:18

Reported

2024-09-09 01:21

Platform

win7-20240903-en

Max time kernel

150s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe"

Signatures

Adds policy Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run C:\Windows\syswow64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\15725 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msbidez.bat" C:\Windows\syswow64\svchost.exe N/A

UPX packed file

upx
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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Roaming\\skype\\skyrpe.exe" C:\Windows\SysWOW64\reg.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\msbidez.bat C:\Windows\syswow64\svchost.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\syswow64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\reg.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 552 wrote to memory of 2224 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 552 wrote to memory of 2224 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 552 wrote to memory of 2224 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 552 wrote to memory of 2224 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 552 wrote to memory of 2224 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 552 wrote to memory of 2224 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 552 wrote to memory of 2224 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 552 wrote to memory of 2224 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 2224 wrote to memory of 336 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Windows\SysWOW64\cmd.exe
PID 2224 wrote to memory of 336 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Windows\SysWOW64\cmd.exe
PID 2224 wrote to memory of 336 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Windows\SysWOW64\cmd.exe
PID 2224 wrote to memory of 336 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Windows\SysWOW64\cmd.exe
PID 336 wrote to memory of 2472 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 336 wrote to memory of 2472 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 336 wrote to memory of 2472 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 336 wrote to memory of 2472 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2224 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2224 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2224 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2224 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 1632 wrote to memory of 176696 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 1632 wrote to memory of 176696 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 1632 wrote to memory of 176696 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 1632 wrote to memory of 176696 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 1632 wrote to memory of 176696 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 1632 wrote to memory of 176696 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 1632 wrote to memory of 176696 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 1632 wrote to memory of 176696 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 1632 wrote to memory of 176756 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 1632 wrote to memory of 176756 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 1632 wrote to memory of 176756 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 1632 wrote to memory of 176756 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 1632 wrote to memory of 176756 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 1632 wrote to memory of 176756 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 1632 wrote to memory of 176756 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 176756 wrote to memory of 176856 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Windows\syswow64\svchost.exe
PID 176756 wrote to memory of 176856 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Windows\syswow64\svchost.exe
PID 176756 wrote to memory of 176856 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Windows\syswow64\svchost.exe
PID 176756 wrote to memory of 176856 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Windows\syswow64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe

"C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe"

C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe

"C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c ""C:\Users\Admin\AppData\Local\Temp\LRWIG.bat" "

C:\Windows\SysWOW64\reg.exe

REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Skype" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe" /f

C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe

"C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"

C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe

"C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"

C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe

"C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"

C:\Windows\syswow64\svchost.exe

C:\Windows\syswow64\svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.update.microsoft.com udp
US 20.109.209.108:80 www.update.microsoft.com tcp
US 8.8.4.4:53 sonic4me.com udp
US 184.105.192.2:80 sonic4me.com tcp
US 8.8.4.4:53 imageshells.com udp
US 8.8.8.8:53 imageshells.com udp
US 184.105.192.2:80 imageshells.com tcp

Files

memory/552-2-0x0000000000320000-0x0000000000321000-memory.dmp

memory/2224-53487-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2224-53485-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2224-53483-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2224-53481-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2224-53479-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2224-53488-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2224-53489-0x0000000000400000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\LRWIG.bat

MD5 0654f004b2e314bad7f75867e91da37d
SHA1 4232c22e7340b12108d86e3cb35ed288a3dbc7f1
SHA256 ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249
SHA512 dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

\Users\Admin\AppData\Roaming\skype\skyrpe.exe

MD5 aa5c883f1b99399667c7af8039fc098c
SHA1 602a6f1a14baa11a4156cceae4ab32abf9cf52e7
SHA256 e3a827296be43741d28501834ea5890d04fb7e123ffc2a192e8a9cac5f5b3197
SHA512 7f7f8f77cf7dc4dcd8306adc8128038ccc97d451c909964c79942008a1b9ebd9806101aac656d7177c4a561cef1f83eaef3e881f9563070aecc4123eb17ae682

memory/2224-53680-0x0000000000400000-0x000000000040B000-memory.dmp

memory/176756-106963-0x0000000000400000-0x0000000000405000-memory.dmp

memory/2224-106968-0x0000000000400000-0x000000000040B000-memory.dmp

memory/176756-106971-0x0000000000400000-0x0000000000405000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-09 01:18

Reported

2024-09-09 01:21

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe"

Signatures

Andromeda, Gamarue

botnet backdoor andromeda

Detects Andromeda payload.

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

Adds policy Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\47310 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mskvkxluf.exe" C:\Windows\SysWOW64\svchost.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe N/A

UPX packed file

upx
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
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Roaming\\skype\\skyrpe.exe" C:\Windows\SysWOW64\reg.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\mskvkxluf.exe C:\Windows\SysWOW64\svchost.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\reg.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3408 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 3408 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 3408 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 3408 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 3408 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 3408 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 3408 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 3408 wrote to memory of 684 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe
PID 684 wrote to memory of 4808 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Windows\SysWOW64\cmd.exe
PID 684 wrote to memory of 4808 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Windows\SysWOW64\cmd.exe
PID 684 wrote to memory of 4808 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Windows\SysWOW64\cmd.exe
PID 4808 wrote to memory of 4804 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 4808 wrote to memory of 4804 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 4808 wrote to memory of 4804 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 684 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 684 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 684 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2820 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2820 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2820 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2820 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2820 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2820 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2820 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2820 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2820 wrote to memory of 4920 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2820 wrote to memory of 4920 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2820 wrote to memory of 4920 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2820 wrote to memory of 4920 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2820 wrote to memory of 4920 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 2820 wrote to memory of 4920 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe
PID 4920 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Windows\SysWOW64\svchost.exe
PID 4920 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Windows\SysWOW64\svchost.exe
PID 4920 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe

"C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe"

C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe

"C:\Users\Admin\AppData\Local\Temp\a6024bd5018ec1ad76d554d44910610f814bf2b71409b147a9340b9457d1f246.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SPOSF.bat" "

C:\Windows\SysWOW64\reg.exe

REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Skype" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe" /f

C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe

"C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"

C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe

"C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"

C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe

"C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\syswow64\svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 www.update.microsoft.com udp
US 8.8.4.4:53 www.update.microsoft.com udp
US 8.8.8.8:53 4.4.8.8.in-addr.arpa udp
US 8.8.4.4:53 tcp
US 8.8.8.8:53 tcp
US 8.8.4.4:53 sonic4me.com udp
US 8.8.8.8:53 sonic4me.com udp
US 8.8.4.4:53 imageshells.com udp
US 8.8.8.8:53 imageshells.com udp
US 184.105.192.2:80 imageshells.com tcp
US 8.8.8.8:53 2.192.105.184.in-addr.arpa udp

Files

memory/3408-2-0x0000000002300000-0x0000000002301000-memory.dmp

memory/3408-3-0x0000000002310000-0x0000000002311000-memory.dmp

memory/3408-4-0x0000000002300000-0x0000000002301000-memory.dmp

memory/3408-5-0x0000000002320000-0x0000000002321000-memory.dmp

memory/3408-6-0x0000000002330000-0x0000000002331000-memory.dmp

memory/684-7-0x0000000000400000-0x000000000040B000-memory.dmp

memory/684-9-0x0000000000400000-0x000000000040B000-memory.dmp

memory/684-11-0x0000000000400000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\SPOSF.txt

MD5 0654f004b2e314bad7f75867e91da37d
SHA1 4232c22e7340b12108d86e3cb35ed288a3dbc7f1
SHA256 ead325a060300a9606a3f0f14694be39a3e4006a60c6c3eb0bea5d6f98192249
SHA512 dda135cdfca90a742d42b4c7a5e7f5df6580ec428302a8f0c311f5b92eb08dda75774e0c7497110faffbe2dfa02b30d2dfe35ec2848a275f53be8d930c7aa553

C:\Users\Admin\AppData\Roaming\skype\skyrpe.exe

MD5 c4ae386e9ad80cd3f9d0a979dcaf6fb6
SHA1 3071b31e26024fa4733675d77bc3b974f1a68609
SHA256 ed61c7f867380e5a0e28791094f05c97179150e195fbe25cf60baed3e6d259bd
SHA512 4168409d01b3836e381a82ac96d977d36b5a703300ca5a2d54e542125fc1c802eb2d8a99f07c29e1e9ebbcc14bae867ef689cf95ea875f161d56304c567b4551

memory/2820-37-0x0000000000400000-0x000000000044D000-memory.dmp

memory/2820-38-0x0000000000400000-0x000000000044D000-memory.dmp

memory/684-39-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2820-43-0x0000000000400000-0x000000000044D000-memory.dmp

memory/4920-51-0x0000000000400000-0x0000000000405000-memory.dmp

memory/4920-47-0x0000000000400000-0x0000000000405000-memory.dmp

memory/2820-53-0x0000000000400000-0x000000000044D000-memory.dmp

memory/684-57-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2456-61-0x00000000002A0000-0x00000000002A5000-memory.dmp

memory/2212-65-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2456-67-0x00000000001F0000-0x00000000001F5000-memory.dmp