Malware Analysis Report

2025-04-13 21:10

Sample ID 240127-cz2f6scggk
Target 790b9e9961e4b8ca5171d422239e0541
SHA256 b1eeeb094d51c8f5f2931b00533cb5a0dfb98cf310ea06580c7967976d215b3b
Tags
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

b1eeeb094d51c8f5f2931b00533cb5a0dfb98cf310ea06580c7967976d215b3b

Threat Level: Known bad

The file 790b9e9961e4b8ca5171d422239e0541 was found to be: Known bad.

Malicious Activity Summary

nanocore evasion keylogger spyware stealer trojan

NanoCore

Checks computer location settings

Checks whether UAC is enabled

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-27 02:31

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-27 02:31

Reported

2024-01-27 02:34

Platform

win7-20231215-en

Max time kernel

146s

Max time network

133s

Command Line

"C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

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\790b9e9961e4b8ca5171d422239e0541.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2500 set thread context of 2160 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe

Enumerates physical storage devices

Creates scheduled task(s)

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

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2500 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Windows\SysWOW64\schtasks.exe
PID 2500 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Windows\SysWOW64\schtasks.exe
PID 2500 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Windows\SysWOW64\schtasks.exe
PID 2500 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Windows\SysWOW64\schtasks.exe
PID 2500 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 2500 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 2500 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 2500 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 2500 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 2500 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 2500 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 2500 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 2500 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 2500 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 2500 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 2500 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 2500 wrote to memory of 2160 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe

Processes

C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe

"C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sRwOrsHsaniq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEE26.tmp"

C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe

"C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe"

C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe

"C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe"

Network

Country Destination Domain Proto
NO 194.5.98.28:3040 tcp
NO 194.5.98.28:3040 tcp
NO 194.5.98.28:3040 tcp
N/A 127.0.0.1:3040 tcp
N/A 127.0.0.1:3040 tcp
N/A 127.0.0.1:3040 tcp
NO 194.5.98.28:3040 tcp
NO 194.5.98.28:3040 tcp
NO 194.5.98.28:3040 tcp
N/A 127.0.0.1:3040 tcp
N/A 127.0.0.1:3040 tcp
N/A 127.0.0.1:3040 tcp
NO 194.5.98.28:3040 tcp
NO 194.5.98.28:3040 tcp
NO 194.5.98.28:3040 tcp
N/A 127.0.0.1:3040 tcp
N/A 127.0.0.1:3040 tcp
N/A 127.0.0.1:3040 tcp

Files

memory/2500-1-0x0000000074B10000-0x00000000751FE000-memory.dmp

memory/2500-0-0x0000000000A60000-0x0000000000B6E000-memory.dmp

memory/2500-2-0x0000000004D40000-0x0000000004D80000-memory.dmp

memory/2500-3-0x00000000004E0000-0x00000000004FE000-memory.dmp

memory/2500-4-0x0000000074B10000-0x00000000751FE000-memory.dmp

memory/2500-5-0x0000000004D40000-0x0000000004D80000-memory.dmp

memory/2500-6-0x0000000005610000-0x00000000056B6000-memory.dmp

memory/2500-7-0x0000000004810000-0x000000000484A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpEE26.tmp

MD5 0f2408529a379d4126cc0c6bf4e637cc
SHA1 e5b872e57cdafb8ae664544c37956c8032d97ad5
SHA256 4335c2a04042be06de88eacc9a7a8b055d404b20e51444c44e212564cc2b687c
SHA512 355a2173a3f65ec81b25cab89dd75700defaf1ab794fd405eab3f07ef3b2bc77d61b7ad8863dd79d8387d68846eceeef05d114dbf24e809a2bfe57f8bca4ba2e

memory/2160-13-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2160-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2160-27-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2160-25-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2160-23-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2500-28-0x0000000074B10000-0x00000000751FE000-memory.dmp

memory/2160-30-0x0000000005010000-0x0000000005050000-memory.dmp

memory/2160-29-0x0000000074B10000-0x00000000751FE000-memory.dmp

memory/2160-19-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2160-17-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2160-15-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2160-33-0x00000000004C0000-0x00000000004DE000-memory.dmp

memory/2160-34-0x00000000004E0000-0x00000000004EA000-memory.dmp

memory/2160-32-0x0000000000470000-0x000000000047A000-memory.dmp

memory/2160-35-0x0000000074B10000-0x00000000751FE000-memory.dmp

memory/2160-36-0x0000000005010000-0x0000000005050000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-27 02:31

Reported

2024-01-27 02:34

Platform

win10v2004-20231222-en

Max time kernel

145s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.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\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4288 set thread context of 5088 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe

Enumerates physical storage devices

Creates scheduled task(s)

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

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4288 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Windows\SysWOW64\schtasks.exe
PID 4288 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Windows\SysWOW64\schtasks.exe
PID 4288 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Windows\SysWOW64\schtasks.exe
PID 4288 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 4288 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 4288 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 4288 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 4288 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 4288 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 4288 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe
PID 4288 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe

Processes

C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe

"C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sRwOrsHsaniq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp20A2.tmp"

C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe

"C:\Users\Admin\AppData\Local\Temp\790b9e9961e4b8ca5171d422239e0541.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
NO 194.5.98.28:3040 tcp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
NO 194.5.98.28:3040 tcp
NO 194.5.98.28:3040 tcp
N/A 127.0.0.1:3040 tcp
N/A 127.0.0.1:3040 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
N/A 127.0.0.1:3040 tcp
NO 194.5.98.28:3040 tcp
NO 194.5.98.28:3040 tcp
NO 194.5.98.28:3040 tcp
N/A 127.0.0.1:3040 tcp
N/A 127.0.0.1:3040 tcp
N/A 127.0.0.1:3040 tcp
NO 194.5.98.28:3040 tcp
NO 194.5.98.28:3040 tcp
NO 194.5.98.28:3040 tcp

Files

memory/4288-0-0x00000000007B0000-0x00000000008BE000-memory.dmp

memory/4288-1-0x0000000074BE0000-0x0000000075390000-memory.dmp

memory/4288-2-0x0000000005300000-0x000000000539C000-memory.dmp

memory/4288-3-0x0000000005950000-0x0000000005EF4000-memory.dmp

memory/4288-4-0x00000000053A0000-0x0000000005432000-memory.dmp

memory/4288-5-0x0000000005500000-0x0000000005510000-memory.dmp

memory/4288-7-0x00000000054A0000-0x00000000054F6000-memory.dmp

memory/4288-6-0x00000000052B0000-0x00000000052BA000-memory.dmp

memory/4288-8-0x0000000005450000-0x000000000546E000-memory.dmp

memory/4288-9-0x0000000074BE0000-0x0000000075390000-memory.dmp

memory/4288-10-0x0000000005500000-0x0000000005510000-memory.dmp

memory/4288-11-0x00000000062F0000-0x0000000006396000-memory.dmp

memory/4288-12-0x00000000060C0000-0x00000000060FA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp20A2.tmp

MD5 372fde01a0dc2ff581c862e4070fead0
SHA1 d869f5af11f96359c8d93e0f41bd6f042a6ad001
SHA256 62ca54a873628404b9d6881c03f43511be57dd814ab7c1140bf405a98438523e
SHA512 d5946c4986b12308b4e9e857945ad570bf3d2180dc68886a348d8dbba7c4b0b9886faa6ca6c24023feaefacab1517278f7af15221149375ea76c24927f322b8c

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\790b9e9961e4b8ca5171d422239e0541.exe.log

MD5 17573558c4e714f606f997e5157afaac
SHA1 13e16e9415ceef429aaf124139671ebeca09ed23
SHA256 c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
SHA512 f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

memory/4288-22-0x0000000074BE0000-0x0000000075390000-memory.dmp

memory/5088-21-0x0000000074BE0000-0x0000000075390000-memory.dmp

memory/5088-18-0x0000000000400000-0x0000000000438000-memory.dmp

memory/5088-23-0x00000000055E0000-0x00000000055F0000-memory.dmp

memory/5088-27-0x00000000058A0000-0x00000000058AA000-memory.dmp

memory/5088-26-0x0000000005560000-0x000000000557E000-memory.dmp

memory/5088-25-0x0000000005510000-0x000000000551A000-memory.dmp

memory/5088-28-0x0000000074BE0000-0x0000000075390000-memory.dmp

memory/5088-29-0x00000000055E0000-0x00000000055F0000-memory.dmp