Analysis Overview
SHA256
e2baf0f5b01a92323fa0f46207e5b9ae09ec8945ef722b912d3559d43c6e907c
Threat Level: Known bad
The file 7a40d67c8a78ef63bda595ab16f5ac0f was found to be: Known bad.
Malicious Activity Summary
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 behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-27 12:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-27 12:27
Reported
2024-01-27 12:29
Platform
win7-20231215-en
Max time kernel
146s
Max time network
154s
Command Line
Signatures
NanoCore
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\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2336 set thread context of 596 | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe
"C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uTptUfOsJI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5206.tmp"
C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe
"C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | fablousy.kozow.com | udp |
| NO | 194.5.98.75:4050 | fablousy.kozow.com | tcp |
| US | 8.8.8.8:53 | fablousy.kozow.com | udp |
| NO | 194.5.98.75:4050 | fablousy.kozow.com | tcp |
| US | 8.8.8.8:53 | fablousy.kozow.com | udp |
| NO | 194.5.98.75:4050 | fablousy.kozow.com | tcp |
| N/A | 127.0.0.1:4050 | tcp | |
| N/A | 127.0.0.1:4050 | tcp | |
| N/A | 127.0.0.1:4050 | tcp | |
| US | 8.8.8.8:53 | fablousy.kozow.com | udp |
| NO | 194.5.98.75:4050 | fablousy.kozow.com | tcp |
| US | 8.8.8.8:53 | fablousy.kozow.com | udp |
| NO | 194.5.98.75:4050 | fablousy.kozow.com | tcp |
Files
memory/2336-0-0x0000000001260000-0x00000000013F0000-memory.dmp
memory/2336-1-0x0000000074550000-0x0000000074C3E000-memory.dmp
memory/2336-2-0x0000000001090000-0x00000000010D0000-memory.dmp
memory/2336-3-0x00000000001C0000-0x00000000001DE000-memory.dmp
memory/2336-4-0x0000000074550000-0x0000000074C3E000-memory.dmp
memory/2336-5-0x0000000001090000-0x00000000010D0000-memory.dmp
memory/2336-6-0x0000000005840000-0x00000000058EA000-memory.dmp
memory/2336-7-0x0000000000AB0000-0x0000000000AEA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp5206.tmp
| MD5 | 6bd631165363f9d2a16b51b4a04e8da7 |
| SHA1 | 3f7e3f7850f18cdb9ea4f269421a21957c0640ae |
| SHA256 | 126119e16b352ec912c0dd2ed4a7dd573fb61be98afa4e020de08376eec287b0 |
| SHA512 | bffea97ac73a0074caa6f549525a21c4679dd9a6275dbfd3f39feac2583acc3b024ee2cfb782440e31f0664ea9d2ecef98f58a0f5853fc4088547002ceac189f |
memory/596-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/596-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/596-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/596-16-0x0000000000400000-0x0000000000438000-memory.dmp
memory/596-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/596-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/596-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2336-24-0x0000000074550000-0x0000000074C3E000-memory.dmp
memory/596-23-0x0000000000400000-0x0000000000438000-memory.dmp
memory/596-25-0x0000000073E60000-0x000000007454E000-memory.dmp
memory/596-26-0x0000000000F80000-0x0000000000FC0000-memory.dmp
memory/596-28-0x00000000004C0000-0x00000000004CA000-memory.dmp
memory/596-29-0x00000000005D0000-0x00000000005EE000-memory.dmp
memory/596-30-0x0000000000680000-0x000000000068A000-memory.dmp
memory/596-31-0x0000000073E60000-0x000000007454E000-memory.dmp
memory/596-32-0x0000000000F80000-0x0000000000FC0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-27 12:27
Reported
2024-01-27 12:29
Platform
win10v2004-20231222-en
Max time kernel
149s
Max time network
148s
Command Line
Signatures
NanoCore
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.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\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4944 set thread context of 3988 | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe
"C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uTptUfOsJI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3BDB.tmp"
C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe
"C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe"
C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe
"C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe"
C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe
"C:\Users\Admin\AppData\Local\Temp\7a40d67c8a78ef63bda595ab16f5ac0f.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.14.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | fablousy.kozow.com | udp |
| NO | 194.5.98.75:4050 | fablousy.kozow.com | tcp |
| US | 8.8.8.8:53 | fablousy.kozow.com | udp |
| NO | 194.5.98.75:4050 | fablousy.kozow.com | tcp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | fablousy.kozow.com | udp |
| NO | 194.5.98.75:4050 | fablousy.kozow.com | tcp |
| N/A | 127.0.0.1:4050 | tcp | |
| N/A | 127.0.0.1:4050 | tcp | |
| N/A | 127.0.0.1:4050 | tcp | |
| US | 8.8.8.8:53 | fablousy.kozow.com | udp |
| NO | 194.5.98.75:4050 | fablousy.kozow.com | tcp |
| US | 8.8.8.8:53 | 12.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| NO | 194.5.98.75:4050 | tcp |
Files
memory/4944-1-0x0000000074F60000-0x0000000075710000-memory.dmp
memory/4944-0-0x00000000009D0000-0x0000000000B60000-memory.dmp
memory/4944-2-0x0000000005AC0000-0x0000000006064000-memory.dmp
memory/4944-3-0x00000000055B0000-0x0000000005642000-memory.dmp
memory/4944-4-0x0000000005760000-0x0000000005770000-memory.dmp
memory/4944-5-0x0000000005560000-0x000000000556A000-memory.dmp
memory/4944-6-0x0000000006BA0000-0x0000000006C3C000-memory.dmp
memory/4944-7-0x0000000006B00000-0x0000000006B1E000-memory.dmp
memory/4944-8-0x0000000074F60000-0x0000000075710000-memory.dmp
memory/4944-9-0x0000000005760000-0x0000000005770000-memory.dmp
memory/4944-10-0x0000000006EB0000-0x0000000006F5A000-memory.dmp
memory/4944-11-0x0000000006B60000-0x0000000006B9A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp3BDB.tmp
| MD5 | a8312b3e81ba60ee5a4987159b88c157 |
| SHA1 | 4bcefaa659645a2b92c7d5c23a81b9120090fc9c |
| SHA256 | eb59fd50309022602a46f5c798a49ae6fbc88935e639bc91b6f5bb479ab4be2f |
| SHA512 | 74b5c4d8dc1bdeb33e9323794f92b366204efbdd9f9110cdffa022f4600a3e7cfa87102fda87cd836c3c09b4b7272d0ae9ea0d63cb58842970b597def6a4f547 |
memory/3988-17-0x0000000000400000-0x0000000000438000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\7a40d67c8a78ef63bda595ab16f5ac0f.exe.log
| MD5 | 8ec831f3e3a3f77e4a7b9cd32b48384c |
| SHA1 | d83f09fd87c5bd86e045873c231c14836e76a05c |
| SHA256 | 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982 |
| SHA512 | 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3 |
memory/4944-20-0x0000000074F60000-0x0000000075710000-memory.dmp
memory/3988-21-0x0000000074F60000-0x0000000075710000-memory.dmp
memory/3988-22-0x00000000052E0000-0x00000000052F0000-memory.dmp
memory/3988-24-0x00000000052C0000-0x00000000052CA000-memory.dmp
memory/3988-25-0x0000000005DA0000-0x0000000005DBE000-memory.dmp
memory/3988-26-0x0000000005EC0000-0x0000000005ECA000-memory.dmp
memory/3988-27-0x0000000074F60000-0x0000000075710000-memory.dmp
memory/3988-28-0x00000000052E0000-0x00000000052F0000-memory.dmp