Malware Analysis Report

2025-04-13 21:10

Sample ID 240127-wgy3wahbb7
Target 7ae444463c080f41cec9880113950e23
SHA256 5a5b79ba0d6ca74fe3fad866b062600a794a1da6cfe39dfb44e256e8a2175b85
Tags
upx nanocore evasion keylogger 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

5a5b79ba0d6ca74fe3fad866b062600a794a1da6cfe39dfb44e256e8a2175b85

Threat Level: Known bad

The file 7ae444463c080f41cec9880113950e23 was found to be: Known bad.

Malicious Activity Summary

upx nanocore evasion keylogger spyware stealer trojan

NanoCore

UPX packed file

Executes dropped EXE

Loads dropped DLL

Checks whether UAC is enabled

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-27 17:54

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

2024-01-27 17:54

Reported

2024-01-27 17:56

Platform

win7-20231215-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7ae444463c080f41cec9880113950e23.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Executes dropped EXE

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2740 set thread context of 2316 N/A C:\Users\Admin\AppData\Local\Temp\test.exe C:\Users\Admin\AppData\Local\Temp\test.exe

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious behavior: MapViewOfSection

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2060 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\7ae444463c080f41cec9880113950e23.exe C:\Windows\SysWOW64\cmd.exe
PID 2060 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\7ae444463c080f41cec9880113950e23.exe C:\Windows\SysWOW64\cmd.exe
PID 2060 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\7ae444463c080f41cec9880113950e23.exe C:\Windows\SysWOW64\cmd.exe
PID 2060 wrote to memory of 1832 N/A C:\Users\Admin\AppData\Local\Temp\7ae444463c080f41cec9880113950e23.exe C:\Windows\SysWOW64\cmd.exe
PID 1832 wrote to memory of 2740 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\test.exe
PID 1832 wrote to memory of 2740 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\test.exe
PID 1832 wrote to memory of 2740 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\test.exe
PID 1832 wrote to memory of 2740 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Local\Temp\test.exe
PID 2740 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\test.exe C:\Users\Admin\AppData\Local\Temp\test.exe
PID 2740 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\test.exe C:\Users\Admin\AppData\Local\Temp\test.exe
PID 2740 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\test.exe C:\Users\Admin\AppData\Local\Temp\test.exe
PID 2740 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\test.exe C:\Users\Admin\AppData\Local\Temp\test.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7ae444463c080f41cec9880113950e23.exe

"C:\Users\Admin\AppData\Local\Temp\7ae444463c080f41cec9880113950e23.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c test.exe

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

test.exe

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

test.exe

Network

Country Destination Domain Proto
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp

Files

memory/2060-1-0x0000000000400000-0x0000000000847000-memory.dmp

\Users\Admin\AppData\Local\Temp\test.exe

MD5 bb1822894d880e74c2d146dc3c05f9bb
SHA1 4bf0a018db757e2b599b0b1fc36fb5f345a1a82e
SHA256 25aa68d90f13a87ef317d634b1ac4b066239b0b4037111ebb11bc041ec54f595
SHA512 00a0ff30443b3c4c6104175e20eb64fd4bd33802e90900f49d9888fd3f2cca1c3b5f77cd28bcb1a8691c3fa5ee62502d67e1ef420a261d7a6c2dfd590c2278d0

memory/2740-7-0x0000000000400000-0x00000000004D3000-memory.dmp

memory/1832-6-0x00000000023D0000-0x00000000024A3000-memory.dmp

memory/2740-10-0x00000000003F0000-0x00000000003F1000-memory.dmp

memory/2740-14-0x00000000021C0000-0x0000000002293000-memory.dmp

memory/2740-11-0x0000000000400000-0x00000000004D3000-memory.dmp

memory/2740-15-0x0000000000370000-0x000000000037C000-memory.dmp

memory/2316-9-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2316-20-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2060-19-0x0000000000400000-0x0000000000847000-memory.dmp

memory/2316-23-0x0000000000360000-0x0000000000398000-memory.dmp

memory/2316-22-0x0000000000360000-0x0000000000398000-memory.dmp

memory/2316-21-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2316-17-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2316-36-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-48-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-49-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-47-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-46-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-45-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-50-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/2316-52-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-53-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-51-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/2316-54-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-56-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-55-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-58-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-57-0x0000000001FA0000-0x0000000001FE0000-memory.dmp

memory/2316-44-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-43-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-42-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-41-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-40-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-39-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-38-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-37-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-35-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-34-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-60-0x0000000000400000-0x000000000047F000-memory.dmp

memory/2316-61-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-62-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/2316-64-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-65-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-66-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-67-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-68-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-69-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-77-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/2316-79-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-78-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-76-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-75-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-74-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-73-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-72-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-71-0x0000000076B40000-0x0000000076C50000-memory.dmp

memory/2316-70-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2316-80-0x0000000001FA0000-0x0000000001FE0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-27 17:54

Reported

2024-01-27 17:56

Platform

win10v2004-20231222-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7ae444463c080f41cec9880113950e23.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Executes dropped EXE

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3888 set thread context of 1592 N/A C:\Users\Admin\AppData\Local\Temp\test.exe C:\Users\Admin\AppData\Local\Temp\test.exe

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious behavior: MapViewOfSection

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

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\7ae444463c080f41cec9880113950e23.exe

"C:\Users\Admin\AppData\Local\Temp\7ae444463c080f41cec9880113950e23.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c test.exe

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

test.exe

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

test.exe

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
PL 185.244.30.139:4050 tcp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
PL 185.244.30.139:4050 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
PL 185.244.30.139:4050 tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
US 8.8.8.8:53 57.110.18.2.in-addr.arpa udp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp
PL 185.244.30.139:4050 tcp

Files

memory/2268-0-0x0000000000400000-0x0000000000847000-memory.dmp

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

MD5 bb1822894d880e74c2d146dc3c05f9bb
SHA1 4bf0a018db757e2b599b0b1fc36fb5f345a1a82e
SHA256 25aa68d90f13a87ef317d634b1ac4b066239b0b4037111ebb11bc041ec54f595
SHA512 00a0ff30443b3c4c6104175e20eb64fd4bd33802e90900f49d9888fd3f2cca1c3b5f77cd28bcb1a8691c3fa5ee62502d67e1ef420a261d7a6c2dfd590c2278d0

memory/3888-5-0x0000000000400000-0x00000000004D3000-memory.dmp

memory/3888-6-0x0000000002330000-0x0000000002331000-memory.dmp

memory/1592-12-0x0000000000400000-0x000000000047F000-memory.dmp

memory/1592-18-0x00000000009A0000-0x00000000009D8000-memory.dmp

memory/1592-16-0x0000000000400000-0x000000000047F000-memory.dmp

memory/1592-17-0x00000000009A0000-0x00000000009D8000-memory.dmp

memory/1592-30-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-43-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-44-0x00000000754B0000-0x0000000075A61000-memory.dmp

memory/1592-49-0x0000000077D22000-0x0000000077D23000-memory.dmp

memory/1592-48-0x0000000077470000-0x0000000077560000-memory.dmp

memory/1592-51-0x0000000077470000-0x0000000077560000-memory.dmp

memory/1592-50-0x00000000754B0000-0x0000000075A61000-memory.dmp

memory/1592-47-0x0000000077470000-0x0000000077560000-memory.dmp

memory/1592-46-0x0000000077470000-0x0000000077560000-memory.dmp

memory/1592-45-0x0000000002370000-0x0000000002380000-memory.dmp

memory/1592-42-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-41-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-40-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-39-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-38-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-37-0x0000000077D22000-0x0000000077D23000-memory.dmp

memory/1592-53-0x0000000002370000-0x0000000002380000-memory.dmp

memory/1592-36-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-35-0x0000000077470000-0x0000000077560000-memory.dmp

memory/1592-34-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-33-0x0000000077470000-0x0000000077560000-memory.dmp

memory/1592-32-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-31-0x0000000077470000-0x0000000077560000-memory.dmp

memory/1592-29-0x0000000077470000-0x0000000077560000-memory.dmp

memory/2268-15-0x0000000000400000-0x0000000000847000-memory.dmp

memory/1592-14-0x0000000000400000-0x000000000047F000-memory.dmp

memory/3888-13-0x0000000002510000-0x0000000002511000-memory.dmp

memory/3888-11-0x0000000000400000-0x00000000004D3000-memory.dmp

memory/3888-10-0x0000000002360000-0x000000000236C000-memory.dmp

memory/1592-7-0x0000000000400000-0x000000000047F000-memory.dmp

memory/1592-54-0x0000000000400000-0x000000000047F000-memory.dmp

memory/1592-55-0x0000000077470000-0x0000000077560000-memory.dmp

memory/1592-56-0x00000000754B0000-0x0000000075A61000-memory.dmp

memory/1592-57-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-58-0x0000000077470000-0x0000000077560000-memory.dmp

memory/1592-59-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-60-0x0000000077470000-0x0000000077560000-memory.dmp

memory/1592-72-0x0000000077470000-0x0000000077560000-memory.dmp

memory/1592-71-0x0000000077470000-0x0000000077560000-memory.dmp

memory/1592-70-0x0000000077470000-0x0000000077560000-memory.dmp

memory/1592-69-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-68-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-67-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-66-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-65-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-64-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-63-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-62-0x0000000077470000-0x0000000077560000-memory.dmp

memory/1592-61-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1592-74-0x00000000754B0000-0x0000000075A61000-memory.dmp

memory/1592-75-0x0000000077470000-0x0000000077560000-memory.dmp

memory/1592-76-0x0000000002370000-0x0000000002380000-memory.dmp