Malware Analysis Report

2025-04-13 20:48

Sample ID 250127-gpzl2svjgy
Target 0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe
SHA256 0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1
Tags
nanocore defense_evasion discovery keylogger persistence spyware stealer trojan
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

0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1

Threat Level: Known bad

The file 0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe was found to be: Known bad.

Malicious Activity Summary

nanocore defense_evasion discovery keylogger persistence spyware stealer trojan

Nanocore family

NanoCore

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Checks whether UAC is enabled

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-27 05:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-27 05:59

Reported

2025-01-27 06:01

Platform

win7-20240903-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Nanocore family

nanocore

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe N/A

Checks whether UAC is enabled

defense_evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2484 set thread context of 2636 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

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\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2940 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2940 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2940 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2940 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2940 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2940 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2940 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2484 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2484 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2484 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2484 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2484 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2484 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2484 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2484 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2484 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2484 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2484 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2484 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe

"C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe"

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 sysupdate24.ddns.net udp

Files

memory/2940-0-0x00000000741C1000-0x00000000741C2000-memory.dmp

memory/2940-1-0x00000000741C0000-0x000000007476B000-memory.dmp

memory/2940-2-0x00000000741C0000-0x000000007476B000-memory.dmp

memory/2940-3-0x00000000741C0000-0x000000007476B000-memory.dmp

memory/2940-4-0x00000000741C0000-0x000000007476B000-memory.dmp

memory/2940-5-0x00000000741C0000-0x000000007476B000-memory.dmp

\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

MD5 0aa212f89bce098f2be1907b07ec585a
SHA1 94d94bb76b06297a8d2e8314aa95ffc7c7a3c718
SHA256 5880ff6ece9386e3b14e348f3e9248bc6824f6d09930ac7232141b779514927c
SHA512 39bf0c8618f862fb62838a70119a6928a9d93d5e1db7e34365f45c28d42cb39cb3e71e1ac705ebe9d202d9c87c7c3acc9dc79dda9378f8954c4b9746775ed1c4

memory/2940-13-0x00000000741C0000-0x000000007476B000-memory.dmp

memory/2484-15-0x0000000073C11000-0x0000000073C12000-memory.dmp

memory/2484-16-0x0000000073C10000-0x00000000741BB000-memory.dmp

memory/2484-17-0x0000000073C10000-0x00000000741BB000-memory.dmp

memory/2484-18-0x0000000073C10000-0x00000000741BB000-memory.dmp

memory/2484-19-0x0000000073C10000-0x00000000741BB000-memory.dmp

memory/2484-20-0x0000000073C10000-0x00000000741BB000-memory.dmp

memory/2636-29-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2636-38-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2636-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2636-32-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2636-26-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2636-24-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2636-22-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2636-40-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2484-42-0x0000000073C10000-0x00000000741BB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-27 05:59

Reported

2025-01-27 06:01

Platform

win10v2004-20241007-en

Max time kernel

116s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Nanocore family

nanocore

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe N/A

Checks whether UAC is enabled

defense_evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 456 set thread context of 4332 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

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\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5060 wrote to memory of 456 N/A C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 5060 wrote to memory of 456 N/A C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 5060 wrote to memory of 456 N/A C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 456 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 456 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 456 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 456 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 456 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 456 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 456 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 456 wrote to memory of 4332 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe

"C:\Users\Admin\AppData\Local\Temp\0169f051733bfe2ac117a72b1d67be9b32c809d9e3cc44cc4b400c406a2becf1.exe"

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 181.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 220.103.221.23.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 sysupdate24.ddns.net udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 27.252.100.95.in-addr.arpa udp

Files

memory/5060-0-0x0000000074BF2000-0x0000000074BF3000-memory.dmp

memory/5060-1-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/5060-2-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/5060-3-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/5060-4-0x0000000074BF2000-0x0000000074BF3000-memory.dmp

memory/5060-5-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/5060-6-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/5060-7-0x0000000074BF0000-0x00000000751A1000-memory.dmp

C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

MD5 6b5a783e82208994c6c1c99e9f8aca1d
SHA1 39328f6e6c037c86df54b96984099db863a73f38
SHA256 f20591d94d8871054cb5c4e86f58e04cf61f0f27849fabc8f8c2521039180583
SHA512 e0b92aa72ec59dda0e6dd79e4e38fb0d8d8dd01691445eed88ae65027f250088aa2fe3db8209dcbb27b606fad28856d174e13ba3de8bc23a0593f4e43996f414

memory/5060-22-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/456-21-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/456-24-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/456-23-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/456-25-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/456-26-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/456-27-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/4332-29-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4332-30-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4332-28-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4332-33-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/4332-34-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/4332-35-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/4332-37-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/4332-38-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/456-40-0x0000000074BF0000-0x00000000751A1000-memory.dmp

memory/4332-41-0x0000000074BF0000-0x00000000751A1000-memory.dmp