Malware Analysis Report

2024-10-19 07:05

Sample ID 240806-16wfhasdpr
Target 5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3
SHA256 5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3
Tags
discovery persistence 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

5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3

Threat Level: Known bad

The file 5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3 was found to be: Known bad.

Malicious Activity Summary

discovery persistence nanocore evasion keylogger spyware stealer trojan

NanoCore

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Checks whether UAC is enabled

Adds Run key to start application

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-06 22:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-06 22:16

Reported

2024-08-06 22:18

Platform

win7-20240704-en

Max time kernel

38s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
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\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe N/A

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\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1668 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1668 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1668 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1668 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1668 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1668 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1668 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2684 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2684 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2684 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2684 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2684 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2684 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 2684 wrote to memory of 2972 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\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe

"C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.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

N/A

Files

memory/1668-0-0x0000000074021000-0x0000000074022000-memory.dmp

memory/1668-1-0x0000000074020000-0x00000000745CB000-memory.dmp

memory/1668-2-0x0000000074020000-0x00000000745CB000-memory.dmp

memory/1668-3-0x0000000074020000-0x00000000745CB000-memory.dmp

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

MD5 92b2c0fe8d5f5146c29520a34e51d2a1
SHA1 0130a602ddfd766d4f910720f232772e9fa6ec4b
SHA256 66f3be3ec13c7cc9465e8568254140bbbfd33e1cf8b3b6bbd94fe0d4ba1d5c68
SHA512 c485219175328f2aba8e529a7de56a8e23038f520316888a06c3a8d4787b796c4b22dd6ab531c1dc5989a9ab244c58187b23d71b1b8f624a5eb211f8886526a4

memory/1668-12-0x0000000074020000-0x00000000745CB000-memory.dmp

memory/2684-14-0x0000000074020000-0x00000000745CB000-memory.dmp

memory/2684-15-0x0000000074020000-0x00000000745CB000-memory.dmp

memory/2684-16-0x0000000074020000-0x00000000745CB000-memory.dmp

memory/2684-13-0x0000000074020000-0x00000000745CB000-memory.dmp

memory/2684-18-0x0000000074020000-0x00000000745CB000-memory.dmp

memory/2684-19-0x0000000074020000-0x00000000745CB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-06 22:16

Reported

2024-08-06 22:18

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.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 1788 set thread context of 440 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\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.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 528 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 528 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 528 wrote to memory of 1788 N/A C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1788 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1788 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1788 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1788 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1788 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1788 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1788 wrote to memory of 440 N/A C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
PID 1788 wrote to memory of 440 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\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe

"C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 sysupdate24.ddns.net udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/528-0-0x0000000074C02000-0x0000000074C03000-memory.dmp

memory/528-1-0x0000000074C00000-0x00000000751B1000-memory.dmp

memory/528-2-0x0000000074C00000-0x00000000751B1000-memory.dmp

memory/528-3-0x0000000074C00000-0x00000000751B1000-memory.dmp

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

MD5 4fd9cffb67227daef8643293605ec917
SHA1 b83553da97fb4b6f1af6f949f7bda40e2dc747a8
SHA256 d406ef883dc6f43a701d37612b42b9728c089f1268bd960324e1173186090178
SHA512 12e108d86b3ffe2abeb4c6e0d4230b531667e92277265b7c811cc4a72d6979fd7cfd22da1c19af9fa522f5a64cf2c837ee21eebc9fac215da1d08d128adef106

memory/1788-17-0x0000000074C00000-0x00000000751B1000-memory.dmp

memory/528-18-0x0000000074C00000-0x00000000751B1000-memory.dmp

memory/1788-19-0x0000000074C00000-0x00000000751B1000-memory.dmp

memory/1788-20-0x0000000074C00000-0x00000000751B1000-memory.dmp

memory/1788-21-0x0000000074C00000-0x00000000751B1000-memory.dmp

memory/440-22-0x0000000000400000-0x0000000000438000-memory.dmp

memory/440-24-0x0000000000400000-0x0000000000438000-memory.dmp

memory/440-23-0x0000000000400000-0x0000000000438000-memory.dmp

memory/440-27-0x0000000074C00000-0x00000000751B1000-memory.dmp

memory/440-28-0x0000000074C00000-0x00000000751B1000-memory.dmp

memory/440-29-0x0000000074C00000-0x00000000751B1000-memory.dmp

memory/440-31-0x0000000074C00000-0x00000000751B1000-memory.dmp

memory/1788-32-0x0000000074C00000-0x00000000751B1000-memory.dmp

memory/1788-34-0x0000000074C00000-0x00000000751B1000-memory.dmp

memory/440-35-0x0000000074C00000-0x00000000751B1000-memory.dmp

memory/440-36-0x0000000074C00000-0x00000000751B1000-memory.dmp