Analysis
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max time kernel
120s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13-12-2024 10:55
Static task
static1
Behavioral task
behavioral1
Sample
a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe
Resource
win10v2004-20241007-en
General
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Target
a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe
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Size
1.0MB
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MD5
b3d29fb2f6ee5fa0ce6e777eed56d420
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SHA1
6ebd26c9ae4a12e76699682a99b7e47c591481ff
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SHA256
a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161
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SHA512
3780cf7a0f339f673735ab847a36abc91aa5b3e1d63c7ab18a29507a0384018f2d0dcd62ebea4beb559d73173f763897517a567a27595743532129e26b8b8956
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SSDEEP
24576:ou6J33O0c+JY5UZ+XC0kGso6FauUAGhCtti4n0WY:Cu0c++OCvkGs9FauNBttLXY
Malware Config
Extracted
nanocore
1.2.2.0
192.177.111.65:7090
3ddebdae-a1f4-41b3-9606-ade5cb2cec4c
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activate_away_mode
true
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backup_connection_host
192.177.111.65
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backup_dns_server
192.177.111.65
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buffer_size
65535
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build_time
2024-09-21T08:21:20.013878636Z
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bypass_user_account_control
false
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bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
7090
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default_group
Default
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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
3ddebdae-a1f4-41b3-9606-ade5cb2cec4c
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
192.177.111.65
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primary_dns_server
192.177.111.65
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request_elevation
false
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restart_delay
5000
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run_delay
0
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run_on_startup
false
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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 family
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2268 set thread context of 2092 2268 a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe 30 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\UDP Service\udpsv.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\UDP Service\udpsv.exe RegSvcs.exe -
System Location Discovery: System Language Discovery 1 TTPs 4 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 a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2188 schtasks.exe 2828 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2092 RegSvcs.exe 2092 RegSvcs.exe 2092 RegSvcs.exe 2092 RegSvcs.exe 2092 RegSvcs.exe 2092 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2092 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2268 a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2092 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2268 a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe 2268 a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 2268 a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe 2268 a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2268 wrote to memory of 2092 2268 a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe 30 PID 2268 wrote to memory of 2092 2268 a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe 30 PID 2268 wrote to memory of 2092 2268 a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe 30 PID 2268 wrote to memory of 2092 2268 a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe 30 PID 2268 wrote to memory of 2092 2268 a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe 30 PID 2268 wrote to memory of 2092 2268 a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe 30 PID 2268 wrote to memory of 2092 2268 a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe 30 PID 2268 wrote to memory of 2092 2268 a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe 30 PID 2092 wrote to memory of 2188 2092 RegSvcs.exe 31 PID 2092 wrote to memory of 2188 2092 RegSvcs.exe 31 PID 2092 wrote to memory of 2188 2092 RegSvcs.exe 31 PID 2092 wrote to memory of 2188 2092 RegSvcs.exe 31 PID 2092 wrote to memory of 2828 2092 RegSvcs.exe 33 PID 2092 wrote to memory of 2828 2092 RegSvcs.exe 33 PID 2092 wrote to memory of 2828 2092 RegSvcs.exe 33 PID 2092 wrote to memory of 2828 2092 RegSvcs.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe"C:\Users\Admin\AppData\Local\Temp\a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2268 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\a9b8879292fbf7bd63b7880cf9e1084040aa1c9adaf0b0f2d05e721696aae161.exe"2⤵
- Adds Run key to start application
- 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:2092 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA1EA.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2188
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA297.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2828
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Network
MITRE ATT&CK Enterprise v15
Persistence
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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Filesize
203KB
MD5c7ffd1e38d28f553bea2faf8df2dadfe
SHA1689336226ca2a224d58df97cad0150eef09d7296
SHA256710cc40bf10d7a602e604243b9d22b00e443bac3ff2e6f767ef56258f92fed30
SHA5122a47ebb8927b84c94075ccacb8afed7b27d37a3e4d737c014a3a3cce502e0b549c44950b13605ccccaf6e50c35df608bdaf3fa336945a7bd0f40bc8cb0564a03
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Filesize
1KB
MD540b11ef601fb28f9b2e69d36857bf2ec
SHA1b6454020ad2ceed193f4792b77001d0bd741b370
SHA256c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1
SHA512e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5
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Filesize
1KB
MD50a24db62cb5b84309c4803346caaa25d
SHA167660778f61bb44168c33ed3fe56ed86cf9583e8
SHA25638d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df
SHA512d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548