Analysis Overview
SHA256
5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3
Threat Level: Known bad
The file 5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3 was found to be: Known bad.
Malicious Activity Summary
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
Enterprise Matrix V15
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
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5db52dc47ddbbde1f4de3f35348ce12b8d3a13f381e64e23afb01afd2a14bab3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
Adds Run key to start application
| 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
| 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
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
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
Signatures
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
| 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
| 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
| 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: EnumeratesProcesses
| 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 |
| N/A | N/A | 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
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