Malware Analysis Report

2024-08-06 15:22

Sample ID 240518-bktbksch52
Target 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe
SHA256 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83
Tags
nanocore execution keylogger persistence spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83

Threat Level: Known bad

The file 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe was found to be: Known bad.

Malicious Activity Summary

nanocore execution keylogger persistence spyware stealer trojan

NanoCore

Command and Scripting Interpreter: PowerShell

Adds Run key to start application

Suspicious use of SetThreadContext

Drops file in Program Files directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-05-18 01:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-18 01:12

Reported

2024-05-18 01:15

Platform

win7-20240508-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Command and Scripting Interpreter: PowerShell

execution
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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTFS Monitor = "C:\\Program Files (x86)\\NTFS Monitor\\ntfsmon.exe" C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2108 set thread context of 3012 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
File opened for modification C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2108 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2108 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2108 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2108 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2108 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2108 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2108 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2108 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2108 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\SysWOW64\schtasks.exe
PID 2108 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\SysWOW64\schtasks.exe
PID 2108 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\SysWOW64\schtasks.exe
PID 2108 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\SysWOW64\schtasks.exe
PID 2108 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2108 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2108 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2108 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2108 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2108 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2108 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2108 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2108 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2108 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2108 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2108 wrote to memory of 3012 N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 3012 wrote to memory of 2488 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\schtasks.exe
PID 3012 wrote to memory of 2488 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\schtasks.exe
PID 3012 wrote to memory of 2488 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\schtasks.exe
PID 3012 wrote to memory of 2488 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\schtasks.exe
PID 3012 wrote to memory of 1432 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\schtasks.exe
PID 3012 wrote to memory of 1432 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\schtasks.exe
PID 3012 wrote to memory of 1432 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\schtasks.exe
PID 3012 wrote to memory of 1432 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe

"C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe"

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe"

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aJDyPjUKcXvqr.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aJDyPjUKcXvqr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp73D9.tmp"

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

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

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "NTFS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7677.tmp"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "NTFS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp76F5.tmp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 december2n.duckdns.org udp
US 192.169.69.26:65140 december2n.duckdns.org tcp
US 192.169.69.26:65140 december2n.duckdns.org tcp
US 192.169.69.26:65140 december2n.duckdns.org tcp
US 8.8.8.8:53 december2nd.ddns.net udp
NL 94.156.66.54:65140 december2nd.ddns.net tcp
NL 94.156.66.54:65140 december2nd.ddns.net tcp
NL 94.156.66.54:65140 december2nd.ddns.net tcp
US 8.8.8.8:53 december2n.duckdns.org udp
US 192.169.69.26:65140 december2n.duckdns.org tcp
US 192.169.69.26:65140 december2n.duckdns.org tcp
US 192.169.69.26:65140 december2n.duckdns.org tcp
US 8.8.8.8:53 december2nd.ddns.net udp
NL 94.156.66.54:65140 december2nd.ddns.net tcp
NL 94.156.66.54:65140 december2nd.ddns.net tcp
NL 94.156.66.54:65140 december2nd.ddns.net tcp
US 8.8.8.8:53 december2n.duckdns.org udp
US 192.169.69.26:65140 tcp

Files

memory/2108-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

memory/2108-1-0x0000000000AC0000-0x0000000000B74000-memory.dmp

memory/2108-2-0x0000000074B30000-0x000000007521E000-memory.dmp

memory/2108-3-0x00000000007A0000-0x00000000007C2000-memory.dmp

memory/2108-4-0x00000000006E0000-0x00000000006EC000-memory.dmp

memory/2108-5-0x0000000000300000-0x0000000000310000-memory.dmp

memory/2108-6-0x00000000051A0000-0x000000000521C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp73D9.tmp

MD5 e739b2e1c085a4a156b72845d3a0fff9
SHA1 89650cb22cbfe75407a4548f30b9c3cf664da854
SHA256 d065f3df10ec54fa3bf004f15cf3970617d846c6fe3e80f2844539d0710b92e3
SHA512 77384d5f5f3b51bdb64f0b186c2532190b110731e460bb2c74e3bf3af6b75d87563141d9e7e1d57e16904b91846e6fff8c37ef775a6654721885991ada4591e9

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

MD5 26248478416d46f5a27dbbbd46c9aee7
SHA1 42e9c065097f28d8e42e9d3ce72826a219f2830d
SHA256 8cc4ff251de96c0aabdfb13da1cd845ae4fab13345270ae2a784054a3f947e8a
SHA512 2e55ddbe130ba5cc44fc448a6e5ff7c7e650e391443d2bd2865bab8c720d07e464204b9d6b9feebda4d2b3977bffe6ba9c7e3cd62fba9cea961be94a234b22ff

memory/2108-19-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

memory/3012-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/3012-21-0x0000000000400000-0x000000000043A000-memory.dmp

memory/3012-24-0x0000000000400000-0x000000000043A000-memory.dmp

memory/3012-22-0x0000000000400000-0x000000000043A000-memory.dmp

memory/3012-26-0x0000000000400000-0x000000000043A000-memory.dmp

memory/3012-32-0x0000000000400000-0x000000000043A000-memory.dmp

memory/3012-30-0x0000000000400000-0x000000000043A000-memory.dmp

memory/3012-29-0x0000000000400000-0x000000000043A000-memory.dmp

memory/2108-33-0x0000000074B30000-0x000000007521E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp7677.tmp

MD5 8cad1b41587ced0f1e74396794f31d58
SHA1 11054bf74fcf5e8e412768035e4dae43aa7b710f
SHA256 3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c
SHA512 99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

C:\Users\Admin\AppData\Local\Temp\tmp76F5.tmp

MD5 981e126601526eaa5b0ad45c496c4465
SHA1 d610d6a21a8420cc73fcd3e54ddae75a5897b28b
SHA256 11ae277dfa39e7038b782ca6557339e7fe88533fe83705c356a1500a1402d527
SHA512 a59fb704d931ccb7e1ec1a7b98e24ccd8708be529066c6de4b673098cdebef539f7f50d9e051c43954b5a8e7f810862b3a4ede170f131e080dadc3e763ed4bdb

memory/3012-41-0x00000000004D0000-0x00000000004DA000-memory.dmp

memory/3012-42-0x00000000004E0000-0x00000000004EC000-memory.dmp

memory/3012-43-0x00000000006E0000-0x00000000006FE000-memory.dmp

memory/3012-44-0x0000000000B60000-0x0000000000B6A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-18 01:12

Reported

2024-05-18 01:15

Platform

win10v2004-20240226-en

Max time kernel

159s

Max time network

168s

Command Line

"C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe

"C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4396 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 142.250.187.234:443 tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp

Files

memory/3460-0-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

memory/3460-1-0x0000000000F90000-0x0000000001044000-memory.dmp

memory/3460-2-0x0000000006020000-0x00000000065C4000-memory.dmp

memory/3460-3-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

memory/3460-4-0x0000000005D10000-0x0000000005DA2000-memory.dmp

memory/3460-5-0x0000000074AB0000-0x0000000075260000-memory.dmp

memory/3460-6-0x0000000005C80000-0x0000000005C8A000-memory.dmp

memory/3460-7-0x0000000074AB0000-0x0000000075260000-memory.dmp

memory/3460-8-0x0000000005E60000-0x0000000005E82000-memory.dmp

memory/3460-9-0x0000000005E80000-0x0000000005E8C000-memory.dmp

memory/3460-10-0x0000000005FF0000-0x0000000006000000-memory.dmp

memory/3460-11-0x00000000032B0000-0x000000000332C000-memory.dmp

memory/3460-12-0x0000000011820000-0x00000000118BC000-memory.dmp