Analysis
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max time kernel
106s -
max time network
114s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2024 18:39
Static task
static1
Behavioral task
behavioral1
Sample
3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe
Resource
win7-20240903-en
General
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Target
3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe
-
Size
503KB
-
MD5
e3b82786df3bd9f8229a19e92be0d274
-
SHA1
fef46d7f381df092d99eee0d3009d0ea05e67643
-
SHA256
3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343
-
SHA512
dde4aa66f2d79e3b0e0f872c6326d13ee496642b6d3cc57bc0461f47923afc2b52041b23d635e04a02584d54e04d061183e70e3bfc75e649e8fbfbdc79eee222
-
SSDEEP
12288:eVGgMOAslYbn5vK2w7CeEBOB8tfjHmdqW:btslYbN2Ebt7HmdqW
Malware Config
Extracted
nanocore
1.2.2.0
212.192.241.19:9530
0e53723b-45a2-4610-9e0f-bcbf71098cb0
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activate_away_mode
false
- backup_connection_host
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2021-07-26T03:05:48.681858136Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
9530
-
default_group
Saint
-
enable_debug_mode
true
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
0e53723b-45a2-4610-9e0f-bcbf71098cb0
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
212.192.241.19
-
primary_dns_server
8.8.8.8
-
request_elevation
false
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
false
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
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Nanocore family
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 788 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Monitor = "C:\\Program Files (x86)\\SCSI Monitor\\scsimon.exe" 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4832 set thread context of 708 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 106 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\SCSI Monitor\scsimon.exe 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe File opened for modification C:\Program Files (x86)\SCSI Monitor\scsimon.exe 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1852 schtasks.exe 2604 schtasks.exe 4660 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 788 powershell.exe 788 powershell.exe 708 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 708 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 708 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 708 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe Token: SeDebugPrivilege 788 powershell.exe Token: SeDebugPrivilege 708 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe Token: SeDebugPrivilege 708 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 4832 wrote to memory of 788 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 101 PID 4832 wrote to memory of 788 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 101 PID 4832 wrote to memory of 788 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 101 PID 4832 wrote to memory of 1852 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 103 PID 4832 wrote to memory of 1852 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 103 PID 4832 wrote to memory of 1852 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 103 PID 4832 wrote to memory of 1904 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 104 PID 4832 wrote to memory of 1904 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 104 PID 4832 wrote to memory of 1904 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 104 PID 4832 wrote to memory of 708 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 106 PID 4832 wrote to memory of 708 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 106 PID 4832 wrote to memory of 708 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 106 PID 4832 wrote to memory of 708 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 106 PID 4832 wrote to memory of 708 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 106 PID 4832 wrote to memory of 708 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 106 PID 4832 wrote to memory of 708 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 106 PID 4832 wrote to memory of 708 4832 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 106 PID 708 wrote to memory of 2604 708 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 107 PID 708 wrote to memory of 2604 708 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 107 PID 708 wrote to memory of 2604 708 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 107 PID 708 wrote to memory of 4660 708 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 109 PID 708 wrote to memory of 4660 708 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 109 PID 708 wrote to memory of 4660 708 3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe 109
Processes
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C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe"C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4832 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:788
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qvSCyEhVKRwxif" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F4D.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1852
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C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe"C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe"2⤵PID:1904
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C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe"C:\Users\Admin\AppData\Local\Temp\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:708 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SCSI Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8160.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2604
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SCSI Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp826B.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4660
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3b2c1236db252027ba0974610b5cd1303944118a1140fa5f5635f16f1cb2c343.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5880c907b8c33169156161f55ec3b5a40
SHA1265fb88ed2d5ed904316bfec5b56536a1810d1c6
SHA2561757ce7769c0919705022346d0ae51130ae4b381c0e793db16ce5c110d2638cc
SHA512c1b1f1342b7cb3ff26fd77c6d975f7ab47b0669a67ef7b078588a9851692c0f1f350ad6265d9c679230228ab49a988976254dbf83f58095e1c2a13911ff27b67
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Filesize
1KB
MD52862e61d09852ea2886c036af0465051
SHA145e30b14543868213f7f1cba0a1e0cc840fb2cd2
SHA256d4ba6219d0aff5a36d129a8475cf35b00043d205f751f63ddd56a5c7d4a03ff3
SHA51233dfd9d12adaa19dd3d4dd7013930e233dd3ff1d114e1e86e50d20ffa848a27582eebdffc09ab974b8de86316c01da6f6254f349992ad507d0f8b13cf0e36579