Analysis Overview
SHA256
05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38d
Threat Level: Known bad
The file 05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe was found to be: Known bad.
Malicious Activity Summary
Nanocore family
NanoCore
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Checks whether UAC is enabled
Suspicious use of SetThreadContext
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-25 18:28
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-25 18:28
Reported
2025-01-25 18:30
Platform
win7-20240903-en
Max time kernel
119s
Max time network
26s
Command Line
Signatures
NanoCore
Nanocore family
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 |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" | C:\Users\Admin\AppData\Local\Temp\05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.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 2864 set thread context of 2628 | 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\Roaming\b1b2dqljdx3\a1punf5t2of.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.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\05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe
"C:\Users\Admin\AppData\Local\Temp\05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.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/2128-0-0x00000000746C1000-0x00000000746C2000-memory.dmp
memory/2128-1-0x00000000746C0000-0x0000000074C6B000-memory.dmp
memory/2128-2-0x00000000746C0000-0x0000000074C6B000-memory.dmp
memory/2128-3-0x00000000746C0000-0x0000000074C6B000-memory.dmp
memory/2128-4-0x00000000746C0000-0x0000000074C6B000-memory.dmp
memory/2128-5-0x00000000746C0000-0x0000000074C6B000-memory.dmp
\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
| MD5 | c049bbcf6ee3e2a2d36713099c7584c5 |
| SHA1 | 7e13b774b6a0e22a83daa37e30c9509971d935d9 |
| SHA256 | 09630fab1348bdc149182c433bfd78409e9c8d6abe389873d0a665aa16b1758a |
| SHA512 | 7ca133475fa7250ef71633b07b94dd80eb413ce6450f452ce89b2f739d18688466f15231852f88715500bbf1894e74f7ae821947617912d0ab26604ff67b1739 |
memory/2864-15-0x00000000746C0000-0x0000000074C6B000-memory.dmp
memory/2128-14-0x00000000746C0000-0x0000000074C6B000-memory.dmp
memory/2864-16-0x00000000746C0000-0x0000000074C6B000-memory.dmp
memory/2864-17-0x00000000746C0000-0x0000000074C6B000-memory.dmp
memory/2864-18-0x00000000746C0000-0x0000000074C6B000-memory.dmp
memory/2864-19-0x00000000746C0000-0x0000000074C6B000-memory.dmp
memory/2628-23-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2628-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2628-31-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2628-37-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2628-39-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2628-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2628-28-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2628-25-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2864-41-0x00000000746C0000-0x0000000074C6B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-25 18:28
Reported
2025-01-25 18:30
Platform
win10v2004-20241007-en
Max time kernel
116s
Max time network
96s
Command Line
Signatures
NanoCore
Nanocore family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" | C:\Users\Admin\AppData\Local\Temp\05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.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 3000 set thread context of 4544 | 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\Local\Temp\05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.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\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\05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.exe
"C:\Users\Admin\AppData\Local\Temp\05e4da2036e45d49b716262f7e55d1e15b1a26bbd6a6f29181be3ce206a8d38dN.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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.114.82.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sysupdate24.ddns.net | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/3496-0-0x0000000074FB2000-0x0000000074FB3000-memory.dmp
memory/3496-1-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/3496-2-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/3496-3-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/3496-4-0x0000000074FB2000-0x0000000074FB3000-memory.dmp
memory/3496-5-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/3496-6-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/3496-7-0x0000000074FB0000-0x0000000075561000-memory.dmp
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
| MD5 | d359ea4cd20ebcecb9e46a3ad443b574 |
| SHA1 | c9cec4f2b41122e3b50f65462ce96bd312cc8ae2 |
| SHA256 | 1b5b5d48f31611b8a8f86c66d54c0d46e41da3c475ef9f6abafd61fe388d4e42 |
| SHA512 | b432b0be2135b7f060ec1f08dbc09b299d36a1f94084b689edb7894e89f1305b6e59a39df60182d0d52eeb1a0152146faa1d471d35a979e3a22f0909b49d1c84 |
memory/3000-21-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/3000-23-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/3496-22-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/3000-24-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/3000-25-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/3000-26-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/3000-27-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/4544-28-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4544-29-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4544-30-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4544-33-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/4544-34-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/4544-36-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/4544-37-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/3000-39-0x0000000074FB0000-0x0000000075561000-memory.dmp
memory/4544-40-0x0000000074FB0000-0x0000000075561000-memory.dmp