Analysis Overview
SHA256
6e4a05f7b769a8cb12f932281af71be353b058d68a3f96bd00a38b63e78bae70
Threat Level: Known bad
The file cc0f6af0ea57fc9cb9698c534fbbe1b2.exe was found to be: Known bad.
Malicious Activity Summary
NanoCore
Checks whether UAC is enabled
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Program Files directory
Unsigned PE
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-04 06:56
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-04 06:56
Reported
2023-12-04 06:58
Platform
win7-20231020-en
Max time kernel
121s
Max time network
152s
Command Line
Signatures
NanoCore
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Manager = "C:\\Program Files (x86)\\UDP Manager\\udpmgr.exe" | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.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\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3060 set thread context of 2840 | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\UDP Manager\udpmgr.exe | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| File opened for modification | C:\Program Files (x86)\UDP Manager\udpmgr.exe | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| 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\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe
"C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe"
C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe
"C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe"
C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe
"C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe"
C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe
"C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp82F5.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp84F9.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | btldinc7.sytes.net | udp |
| BG | 91.92.251.203:4510 | btldinc7.sytes.net | tcp |
Files
memory/3060-0-0x00000000000B0000-0x000000000017A000-memory.dmp
memory/3060-1-0x0000000074660000-0x0000000074D4E000-memory.dmp
memory/3060-2-0x0000000004D80000-0x0000000004DC0000-memory.dmp
memory/3060-3-0x0000000001F20000-0x0000000001F38000-memory.dmp
memory/3060-4-0x00000000006B0000-0x00000000006B8000-memory.dmp
memory/3060-5-0x0000000000700000-0x000000000070A000-memory.dmp
memory/3060-6-0x0000000004EC0000-0x0000000004F32000-memory.dmp
memory/2840-7-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2840-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2840-9-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2840-10-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2840-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2840-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2840-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2840-17-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2840-19-0x0000000074660000-0x0000000074D4E000-memory.dmp
memory/3060-18-0x0000000074660000-0x0000000074D4E000-memory.dmp
memory/2840-20-0x00000000048D0000-0x0000000004910000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp82F5.tmp
| MD5 | fc7fbae2a7339f292629b47f7c191d91 |
| SHA1 | 2572887548578a060a5eff284dac4e22db06f1d2 |
| SHA256 | 27ad5fb53e16fc402a004b5b5ee6bd52a4acd38ef1f783c774e5bb8b182e429b |
| SHA512 | 8b67a94d58a006f58ec3274498fec1a3ea689890369ea47794163bb2d7f16bea7bbd7a1c83f01bf523b239c9153e64a7b857263d8c1e09c2618d6e49c7bf77e4 |
C:\Users\Admin\AppData\Local\Temp\tmp84F9.tmp
| MD5 | c1c4b266e129249076bbe8a15cc5e06c |
| SHA1 | 312b8173c264245c834eee91e05dcca845c341f8 |
| SHA256 | f336d06dcadca621be6b2dc9493dcb84d871497e65142bc9fdd72c9f250a1b7b |
| SHA512 | 0f02ec7700f89d95d29014eec42d13c85234351c3fe1dc6a3efeea52ea76ca4bea3151567a6c798b5ce658d481b424646b43d93e95ccad897356a87a25d45041 |
memory/2840-28-0x0000000000450000-0x000000000045A000-memory.dmp
memory/2840-29-0x0000000000460000-0x000000000047E000-memory.dmp
memory/2840-30-0x0000000000500000-0x000000000050A000-memory.dmp
memory/2840-33-0x0000000000530000-0x0000000000542000-memory.dmp
memory/2840-34-0x0000000000680000-0x000000000069A000-memory.dmp
memory/2840-35-0x00000000006D0000-0x00000000006DE000-memory.dmp
memory/2840-36-0x00000000007E0000-0x00000000007F2000-memory.dmp
memory/2840-37-0x0000000000830000-0x000000000083E000-memory.dmp
memory/2840-38-0x0000000000840000-0x000000000084C000-memory.dmp
memory/2840-39-0x0000000001FB0000-0x0000000001FC4000-memory.dmp
memory/2840-40-0x0000000001FC0000-0x0000000001FD0000-memory.dmp
memory/2840-41-0x0000000002010000-0x0000000002024000-memory.dmp
memory/2840-42-0x0000000002020000-0x000000000202E000-memory.dmp
memory/2840-43-0x0000000002080000-0x00000000020AE000-memory.dmp
memory/2840-44-0x00000000020B0000-0x00000000020C4000-memory.dmp
memory/2840-46-0x0000000074660000-0x0000000074D4E000-memory.dmp
memory/2840-47-0x00000000048D0000-0x0000000004910000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-04 06:56
Reported
2023-12-04 06:58
Platform
win10v2004-20231130-en
Max time kernel
144s
Max time network
131s
Command Line
Signatures
NanoCore
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ISS Monitor = "C:\\Program Files (x86)\\ISS Monitor\\issmon.exe" | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.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\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4616 set thread context of 8 | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\ISS Monitor\issmon.exe | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| File opened for modification | C:\Program Files (x86)\ISS Monitor\issmon.exe | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| 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\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe
"C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe"
C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe
"C:\Users\Admin\AppData\Local\Temp\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ISS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8722.tmp"
C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ISS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8761.tmp"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | btldinc7.sytes.net | udp |
| US | 8.8.4.4:53 | btldinc7.sytes.net | udp |
| US | 8.8.8.8:53 | 4.4.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | btldinc7.sytes.net | udp |
| US | 8.8.8.8:53 | 254.159.250.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | btldinc7.sytes.net | udp |
| US | 8.8.4.4:53 | btldinc7.sytes.net | udp |
| US | 8.8.8.8:53 | btldinc7.sytes.net | udp |
| US | 8.8.8.8:53 | btldinc7.sytes.net | udp |
| US | 8.8.4.4:53 | btldinc7.sytes.net | udp |
| US | 8.8.8.8:53 | btldinc7.sytes.net | udp |
| N/A | 127.0.0.1:4510 | tcp | |
| N/A | 127.0.0.1:4510 | tcp |
Files
memory/4616-0-0x0000000000240000-0x000000000030A000-memory.dmp
memory/4616-1-0x0000000075300000-0x0000000075AB0000-memory.dmp
memory/4616-2-0x00000000052A0000-0x0000000005844000-memory.dmp
memory/4616-3-0x0000000004CF0000-0x0000000004D82000-memory.dmp
memory/4616-4-0x0000000004E10000-0x0000000004E20000-memory.dmp
memory/4616-5-0x0000000004DA0000-0x0000000004DAA000-memory.dmp
memory/4616-6-0x0000000004F70000-0x0000000004F88000-memory.dmp
memory/4616-7-0x0000000005040000-0x0000000005048000-memory.dmp
memory/4616-8-0x0000000005260000-0x000000000526A000-memory.dmp
memory/4616-9-0x0000000006650000-0x00000000066C2000-memory.dmp
memory/4616-10-0x0000000006460000-0x00000000064FC000-memory.dmp
memory/8-11-0x0000000000400000-0x0000000000438000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\cc0f6af0ea57fc9cb9698c534fbbe1b2.exe.log
| MD5 | 8ec831f3e3a3f77e4a7b9cd32b48384c |
| SHA1 | d83f09fd87c5bd86e045873c231c14836e76a05c |
| SHA256 | 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982 |
| SHA512 | 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3 |
memory/8-14-0x0000000075300000-0x0000000075AB0000-memory.dmp
memory/8-15-0x0000000005730000-0x0000000005740000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp8722.tmp
| MD5 | fc7fbae2a7339f292629b47f7c191d91 |
| SHA1 | 2572887548578a060a5eff284dac4e22db06f1d2 |
| SHA256 | 27ad5fb53e16fc402a004b5b5ee6bd52a4acd38ef1f783c774e5bb8b182e429b |
| SHA512 | 8b67a94d58a006f58ec3274498fec1a3ea689890369ea47794163bb2d7f16bea7bbd7a1c83f01bf523b239c9153e64a7b857263d8c1e09c2618d6e49c7bf77e4 |
C:\Users\Admin\AppData\Local\Temp\tmp8761.tmp
| MD5 | 97ca1345e92062cecc79ad320a0e89b1 |
| SHA1 | 9e696a4df86c685befe01d00a16611331ed7e763 |
| SHA256 | 937a440251a10c5a8921104975e5b7f166a34be5e48aa5c4ad344f8beadd1ad2 |
| SHA512 | b7cce6586e4db4e387343c01977b0768fca8c4842098f1caf7e4240fa89273279b1ade5ed25aaf108102dd06c0ee945a24cf4786eb24de34520b4c11c2e82214 |
memory/8-23-0x00000000055B0000-0x00000000055BA000-memory.dmp
memory/8-24-0x00000000065F0000-0x000000000660E000-memory.dmp
memory/8-25-0x0000000006710000-0x000000000671A000-memory.dmp
memory/4616-26-0x0000000075300000-0x0000000075AB0000-memory.dmp
memory/8-27-0x0000000075300000-0x0000000075AB0000-memory.dmp
memory/8-28-0x0000000005730000-0x0000000005740000-memory.dmp