Malware Analysis Report

2024-12-07 03:07

Sample ID 241113-r8q45aterf
Target 91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe
SHA256 91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92
Tags
aspackv2 bootkit discovery persistence spyware stealer upx vmprotect
score
8/10

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
8/10

SHA256

91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92

Threat Level: Likely malicious

The file 91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe was found to be: Likely malicious.

Malicious Activity Summary

aspackv2 bootkit discovery persistence spyware stealer upx vmprotect

Blocklisted process makes network request

Deletes itself

Executes dropped EXE

VMProtect packed file

Reads user/profile data of web browsers

ASPack v2.12-2.42

Loads dropped DLL

Adds Run key to start application

Enumerates connected drives

Writes to the Master Boot Record (MBR)

UPX packed file

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 14:52

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 14:52

Reported

2024-11-13 14:54

Platform

win7-20240729-en

Max time kernel

119s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe"

Signatures

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Deletes itself

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

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A

Reads user/profile data of web browsers

spyware stealer

VMProtect packed file

vmprotect
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
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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\npjckqrhm\\cxwdm.xdc\",Exit" \??\c:\windows\SysWOW64\rundll32.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\g: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\i: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\r: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\w: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\e: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\h: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\m: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\n: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\v: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\y: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\b: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\k: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\o: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\s: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\u: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\t: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\x: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\z: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\a: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\j: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\l: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\p: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\q: \??\c:\windows\SysWOW64\rundll32.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 \??\c:\windows\SysWOW64\rundll32.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\uoudtubij.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language \??\c:\windows\SysWOW64\rundll32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.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\PING.EXE N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString \??\c:\windows\SysWOW64\rundll32.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 \??\c:\windows\SysWOW64\rundll32.exe N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A \??\c:\windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1856 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe C:\Windows\SysWOW64\cmd.exe
PID 1856 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe C:\Windows\SysWOW64\cmd.exe
PID 1856 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe C:\Windows\SysWOW64\cmd.exe
PID 1856 wrote to memory of 2956 N/A C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe C:\Windows\SysWOW64\cmd.exe
PID 2956 wrote to memory of 2696 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2956 wrote to memory of 2696 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2956 wrote to memory of 2696 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2956 wrote to memory of 2696 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2956 wrote to memory of 1416 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\uoudtubij.exe
PID 2956 wrote to memory of 1416 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\uoudtubij.exe
PID 2956 wrote to memory of 1416 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\uoudtubij.exe
PID 2956 wrote to memory of 1416 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\uoudtubij.exe
PID 1416 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\uoudtubij.exe \??\c:\windows\SysWOW64\rundll32.exe
PID 1416 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\uoudtubij.exe \??\c:\windows\SysWOW64\rundll32.exe
PID 1416 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\uoudtubij.exe \??\c:\windows\SysWOW64\rundll32.exe
PID 1416 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\uoudtubij.exe \??\c:\windows\SysWOW64\rundll32.exe
PID 1416 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\uoudtubij.exe \??\c:\windows\SysWOW64\rundll32.exe
PID 1416 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\uoudtubij.exe \??\c:\windows\SysWOW64\rundll32.exe
PID 1416 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\uoudtubij.exe \??\c:\windows\SysWOW64\rundll32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe

"C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe"

C:\Windows\SysWOW64\cmd.exe

cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\uoudtubij.exe "C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1 -n 2

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

C:\Users\Admin\AppData\Local\Temp\\uoudtubij.exe "C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe"

\??\c:\windows\SysWOW64\rundll32.exe

c:\windows\system32\rundll32.exe "c:\npjckqrhm\cxwdm.xdc",Exit C:\Users\Admin\AppData\Local\Temp\uoudtubij.exe

Network

Country Destination Domain Proto
US 107.163.43.248:12388 107.163.43.248 tcp
US 8.8.8.8:53 host123.zz.am udp
US 107.163.43.245:10289 tcp
US 107.163.43.245:10289 tcp
US 107.163.43.245:10289 tcp
US 107.163.43.245:10289 tcp

Files

memory/1856-0-0x0000000000400000-0x0000000000466000-memory.dmp

memory/1856-2-0x0000000000400000-0x0000000000466000-memory.dmp

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

MD5 c2a80ddb12b37e916baa592db4b726db
SHA1 84082ed37dc54916cf804cd853efc85490e52361
SHA256 92db4be6155f8070b2513d950670f92f6263887d32b3133943c883f5c637a59a
SHA512 b04835f955dfed217a4c1ba1d15cea3d4c872e0f376aaad6ed3918a675e151076b84e37b5d6a2e04ca8960ceb0d0b752634b359178cae9018c5c591dce68dee9

memory/2956-5-0x0000000000400000-0x0000000000466000-memory.dmp

memory/1416-8-0x0000000000400000-0x0000000000466000-memory.dmp

memory/1416-10-0x0000000000400000-0x0000000000466000-memory.dmp

\??\c:\npjckqrhm\cxwdm.xdc

MD5 64597ebd5759f1c96d9c89ba91e6b9ae
SHA1 22b5c32c02e7d98384b5d364d4e88805a988e58a
SHA256 8fe1d9492012107c64090e2bbed51ca84f46f0828bd95b18326f776e694e3bcb
SHA512 88cf508773b316acafafc5882dd6a50f895a4f444cfa0ef25781c0c5bbd8eba69e38b777460e66ee2cb25e6c61b699b0120788e00b2a0018bc02d07d644d076f

memory/2760-13-0x0000000010000000-0x0000000010037000-memory.dmp

memory/2760-14-0x0000000010034000-0x0000000010035000-memory.dmp

memory/2760-16-0x0000000010000000-0x0000000010037000-memory.dmp

memory/2760-15-0x0000000010000000-0x0000000010037000-memory.dmp

memory/2760-17-0x0000000010000000-0x0000000010037000-memory.dmp

memory/2760-18-0x0000000010034000-0x0000000010035000-memory.dmp

memory/2760-21-0x0000000010000000-0x0000000010037000-memory.dmp

memory/2760-22-0x0000000010000000-0x0000000010037000-memory.dmp

memory/2760-23-0x0000000010000000-0x0000000010037000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 14:52

Reported

2024-11-13 14:54

Platform

win10v2004-20241007-en

Max time kernel

119s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe"

Signatures

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Deletes itself

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

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A

Reads user/profile data of web browsers

spyware stealer

VMProtect packed file

vmprotect
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
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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\dtobe\\ujvkkqu.jku\",Exit" \??\c:\windows\SysWOW64\rundll32.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\b: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\g: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\m: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\v: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\w: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\a: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\h: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\l: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\n: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\q: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\s: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\u: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\y: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\z: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\e: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\j: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\k: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\p: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\r: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\x: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\i: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\o: \??\c:\windows\SysWOW64\rundll32.exe N/A
File opened (read-only) \??\t: \??\c:\windows\SysWOW64\rundll32.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 \??\c:\windows\SysWOW64\rundll32.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.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\PING.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\nzavcqor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language \??\c:\windows\SysWOW64\rundll32.exe N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 \??\c:\windows\SysWOW64\rundll32.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString \??\c:\windows\SysWOW64\rundll32.exe N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A
N/A N/A \??\c:\windows\SysWOW64\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A \??\c:\windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4836 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe C:\Windows\SysWOW64\cmd.exe
PID 4836 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe C:\Windows\SysWOW64\cmd.exe
PID 4836 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe C:\Windows\SysWOW64\cmd.exe
PID 2184 wrote to memory of 1948 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2184 wrote to memory of 1948 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2184 wrote to memory of 1948 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2184 wrote to memory of 2744 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\nzavcqor.exe
PID 2184 wrote to memory of 2744 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\nzavcqor.exe
PID 2184 wrote to memory of 2744 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\nzavcqor.exe
PID 2744 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\nzavcqor.exe \??\c:\windows\SysWOW64\rundll32.exe
PID 2744 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\nzavcqor.exe \??\c:\windows\SysWOW64\rundll32.exe
PID 2744 wrote to memory of 5040 N/A C:\Users\Admin\AppData\Local\Temp\nzavcqor.exe \??\c:\windows\SysWOW64\rundll32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe

"C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe"

C:\Windows\SysWOW64\cmd.exe

cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\nzavcqor.exe "C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1 -n 2

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

C:\Users\Admin\AppData\Local\Temp\\nzavcqor.exe "C:\Users\Admin\AppData\Local\Temp\91b4f3526d311764bd0986d211ff33ea485834a4dd9dbb171e3522dc99b2ec92.exe"

\??\c:\windows\SysWOW64\rundll32.exe

c:\windows\system32\rundll32.exe "c:\dtobe\ujvkkqu.jku",Exit C:\Users\Admin\AppData\Local\Temp\nzavcqor.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 107.163.43.248:12388 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 host123.zz.am udp
US 107.163.43.245:10289 107.163.43.245 tcp
US 107.163.43.245:10289 107.163.43.245 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 245.43.163.107.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 host123.zz.am udp
US 8.8.8.8:53 host123.zz.am udp
US 8.8.8.8:53 host123.zz.am udp
US 107.163.43.245:10289 tcp
US 8.8.8.8:53 host123.zz.am udp
US 8.8.8.8:53 host123.zz.am udp
US 8.8.8.8:53 host123.zz.am udp
US 8.8.8.8:53 host123.zz.am udp
US 8.8.8.8:53 host123.zz.am udp
US 8.8.8.8:53 host123.zz.am udp

Files

memory/4836-0-0x0000000000400000-0x0000000000466000-memory.dmp

memory/4836-2-0x0000000000400000-0x0000000000466000-memory.dmp

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

MD5 cc74e3ed02c7466ecfc943723fb4ac31
SHA1 75d2e7f6f96ce052fd0c8f728c038564ef7e505d
SHA256 50d37f1d897c8ed2a4e73907a064bffeef2d22dd0feee39f5178b8fcfab2ca57
SHA512 a2aecc349e336c06b5202aa284efd335aca4e8655d1ce802c8efe0fa98db63d80311b2ea3ec87bd9788ebdf635696d80654c98595df33fb6813fd55424dcfdd4

memory/2744-7-0x0000000000400000-0x0000000000466000-memory.dmp

\??\c:\dtobe\ujvkkqu.jku

MD5 64597ebd5759f1c96d9c89ba91e6b9ae
SHA1 22b5c32c02e7d98384b5d364d4e88805a988e58a
SHA256 8fe1d9492012107c64090e2bbed51ca84f46f0828bd95b18326f776e694e3bcb
SHA512 88cf508773b316acafafc5882dd6a50f895a4f444cfa0ef25781c0c5bbd8eba69e38b777460e66ee2cb25e6c61b699b0120788e00b2a0018bc02d07d644d076f

memory/5040-10-0x0000000010000000-0x0000000010037000-memory.dmp

memory/5040-11-0x0000000010000000-0x0000000010037000-memory.dmp

memory/5040-12-0x0000000010000000-0x0000000010037000-memory.dmp

memory/5040-13-0x0000000010000000-0x0000000010037000-memory.dmp

memory/5040-15-0x0000000010000000-0x0000000010037000-memory.dmp

memory/5040-16-0x0000000010000000-0x0000000010037000-memory.dmp

memory/5040-17-0x0000000010000000-0x0000000010037000-memory.dmp