Malware Analysis Report

2024-10-23 19:39

Sample ID 240813-a3jz7azfkq
Target 0d47828b888817ccc0b40056b40211e0N.exe
SHA256 bd5cd250cd8e3bb4b497cc273411ca4efa1b366e27d956be38be62881f2758b2
Tags
nanocore discovery evasion 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

bd5cd250cd8e3bb4b497cc273411ca4efa1b366e27d956be38be62881f2758b2

Threat Level: Known bad

The file 0d47828b888817ccc0b40056b40211e0N.exe was found to be: Known bad.

Malicious Activity Summary

nanocore discovery evasion keylogger persistence spyware stealer trojan

NanoCore

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Checks whether UAC is enabled

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-13 00:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-13 00:44

Reported

2024-08-13 00:46

Platform

win7-20240704-en

Max time kernel

117s

Max time network

33s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.exe"

Signatures

NanoCore

keylogger trojan stealer spyware 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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.exe N/A

Checks whether UAC is enabled

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 2908 set thread context of 2664 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\Roaming\b1b2dqljdx3\a1punf5t2of.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.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 2224 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2224 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2224 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2224 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2224 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2224 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2224 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2908 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2908 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2908 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2908 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2908 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2908 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2908 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2908 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2908 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2908 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2908 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2908 wrote to memory of 2664 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\0d47828b888817ccc0b40056b40211e0N.exe

"C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.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/2224-0-0x00000000740C1000-0x00000000740C2000-memory.dmp

memory/2224-1-0x00000000740C0000-0x000000007466B000-memory.dmp

memory/2224-2-0x00000000740C0000-0x000000007466B000-memory.dmp

memory/2224-3-0x00000000740C0000-0x000000007466B000-memory.dmp

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

MD5 e8519238e16e8a5e76edbaddd511cb36
SHA1 fdf86ab0123245192bbf96ea732b0c2526445925
SHA256 bde33c354b895773feda99175fa0d92f4c05c208012e7c2e2b3edf358fe30788
SHA512 6b6d39662329035aa311f21443fae6dd282f08667db5b1d7f2395ab6da31b3cc860bb12d42aa8381bf242c5caf829ed70b81f7e70c4ee265546b6c90619ff69f

memory/2224-12-0x00000000740C0000-0x000000007466B000-memory.dmp

memory/2908-13-0x00000000740C0000-0x000000007466B000-memory.dmp

memory/2908-14-0x00000000740C0000-0x000000007466B000-memory.dmp

memory/2908-16-0x00000000740C0000-0x000000007466B000-memory.dmp

memory/2908-15-0x00000000740C0000-0x000000007466B000-memory.dmp

memory/2664-18-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2664-23-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2664-20-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2664-19-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2664-32-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2664-31-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2664-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2664-25-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2908-34-0x00000000740C0000-0x000000007466B000-memory.dmp

memory/2908-35-0x00000000740C0000-0x000000007466B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-13 00:44

Reported

2024-08-13 00:46

Platform

win10v2004-20240802-en

Max time kernel

120s

Max time network

106s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.exe N/A

Checks whether UAC is enabled

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 4196 set thread context of 4268 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\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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.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 1912 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1912 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1912 wrote to memory of 4196 N/A C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 4196 wrote to memory of 4268 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 4196 wrote to memory of 4268 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 4196 wrote to memory of 4268 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 4196 wrote to memory of 4268 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 4196 wrote to memory of 4268 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 4196 wrote to memory of 4268 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 4196 wrote to memory of 4268 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 4196 wrote to memory of 4268 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\0d47828b888817ccc0b40056b40211e0N.exe

"C:\Users\Admin\AppData\Local\Temp\0d47828b888817ccc0b40056b40211e0N.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 sysupdate24.ddns.net udp
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 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/1912-0-0x00000000753F2000-0x00000000753F3000-memory.dmp

memory/1912-1-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/1912-2-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/1912-3-0x00000000753F0000-0x00000000759A1000-memory.dmp

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

MD5 b5d7470524b76979faa6ec7749832063
SHA1 eff52e721968440b250000ce452ae06662dc4b4e
SHA256 3c051e22b95b4a4923764664b88a668e0240c48220e0809d2c7e9942ffe05df8
SHA512 1cd089a504596e2ac22dc2ee91ff5d4a5b04df3795560c711cf21aba687179359afb355869f638157c3d65f37bbeefddbe0ad27b79b355bd399a52f40d82f2f0

memory/1912-17-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4196-18-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4196-19-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4268-22-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4268-21-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4268-20-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4268-25-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4268-26-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4268-27-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4268-29-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4196-30-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4196-32-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4268-33-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4268-34-0x00000000753F0000-0x00000000759A1000-memory.dmp