Analysis
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max time kernel
35s -
max time network
36s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
26-09-2024 23:25
General
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Target
5662fcdd92b61586c76444eff1eb05941748fc399e2b2dd2daf35f1a8e47217d.exe
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Size
413KB
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MD5
0f7528228f5f1f403241747bd489b283
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SHA1
d5448b701a5350e87f9c2e2e3a142af4e85c307b
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SHA256
5662fcdd92b61586c76444eff1eb05941748fc399e2b2dd2daf35f1a8e47217d
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SHA512
a010752dd12a3af64475e08235c49ec9db433da0fbbb61429e5da45a4582458a070160011063de565b4788cac52032c3e507eee3757774021972d1ca40c2d8a8
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SSDEEP
6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RUm:ITNYrnE3bm/CiejewY5vl
Malware Config
Extracted
nanocore
1.2.2.0
[email protected]:46218
178.32.224.116:46218
4af74541-e3f1-469c-8af7-efe4071b81cf
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activate_away_mode
false
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backup_connection_host
178.32.224.116
- backup_dns_server
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buffer_size
65535
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build_time
2018-07-28T12:59:38.488799236Z
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bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
false
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
46218
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default_group
tourex
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enable_debug_mode
true
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
4af74541-e3f1-469c-8af7-efe4071b81cf
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mutex_timeout
5000
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prevent_system_sleep
false
- primary_connection_host
- primary_dns_server
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request_elevation
true
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restart_delay
5000
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run_delay
0
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run_on_startup
true
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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wan_timeout
8000
Signatures
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NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 57 IoCs
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Suspicious behavior: GetForegroundWindowSpam 2 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of FindShellTrayWindow 41 IoCs
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Suspicious use of SendNotifyMessage 41 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\5662fcdd92b61586c76444eff1eb05941748fc399e2b2dd2daf35f1a8e47217d.exe"C:\Users\Admin\AppData\Local\Temp\5662fcdd92b61586c76444eff1eb05941748fc399e2b2dd2daf35f1a8e47217d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"3⤵
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
-
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
413KB
MD50d1e52602665ddd9874467c6df57f3d8
SHA13edc596bb068a9da9634296c920ecdf72e560303
SHA256c6bc57a4a49a0b9701c737647ee6286cb9ecb86a422e699fc5c8432fee5bc626
SHA512c4238b6f697c700cabc1dbf55e218aeeb53a6b6c83d51599c101e8f466a3be2f2afe2a2a14b2d5d1210686be57a4c02c792c67ece70dd34f341ed66d3e7ab2a8
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Filesize
240KB
-
Filesize
5.6MB
-
Filesize
584KB
-
Filesize
40KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
440KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
7.7MB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
120KB
-
Filesize
224KB
-
Filesize
40KB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
624KB
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Filesize
224KB
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Filesize
224KB
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Filesize
7.7MB