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Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
31/12/2024, 01:39
Behavioral task
behavioral1
Sample
e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe
Resource
win7-20240903-en
General
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Target
e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe
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Size
1.0MB
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MD5
99d403a61cae597889b28675946784e8
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SHA1
0a338766fa36dc694e4815bfa3447e17e97630dc
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SHA256
e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0
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SHA512
18f89173769938983b13d97472e516ba9fe69e5840f6bb5e8b388014abad4f9c6fdf24c552ca47771374485df48a8412a60650b84b4b27300d4ab763f3e0dd64
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SSDEEP
24576:Jur9gkEPGcHHXYDYDa6naGhywpCjq7jUv7cF6kZ6YriDfZ49p50/m:Ur9gNGKXYD+naGEsBXUv66k8o4yp5wm
Malware Config
Extracted
nanocore
1.2.2.0
testwork.kozow.com:8906
bd6fc7b5-d48b-4e23-98f7-784bd3ef305c
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activate_away_mode
true
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backup_connection_host
testwork.kozow.com
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2019-02-16T16:47:25.218235636Z
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bypass_user_account_control
true
- 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
8906
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default_group
star
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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
bd6fc7b5-d48b-4e23-98f7-784bd3ef305c
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
testwork.kozow.com
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primary_dns_server
8.8.8.8
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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 family
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Drops startup file 1 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PresentationHost.url e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegAsm.exe -
AutoIT Executable 12 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/memory/2112-18-0x0000000001020000-0x00000000011D1000-memory.dmp autoit_exe behavioral1/memory/2112-19-0x0000000001020000-0x00000000011D1000-memory.dmp autoit_exe behavioral1/memory/2112-22-0x0000000001020000-0x00000000011D1000-memory.dmp autoit_exe behavioral1/memory/2112-23-0x0000000001020000-0x00000000011D1000-memory.dmp autoit_exe behavioral1/memory/2112-24-0x0000000001020000-0x00000000011D1000-memory.dmp autoit_exe behavioral1/memory/2112-25-0x0000000001020000-0x00000000011D1000-memory.dmp autoit_exe behavioral1/memory/2112-26-0x0000000001020000-0x00000000011D1000-memory.dmp autoit_exe behavioral1/memory/2112-27-0x0000000001020000-0x00000000011D1000-memory.dmp autoit_exe behavioral1/memory/2112-28-0x0000000001020000-0x00000000011D1000-memory.dmp autoit_exe behavioral1/memory/2112-29-0x0000000001020000-0x00000000011D1000-memory.dmp autoit_exe behavioral1/memory/2112-30-0x0000000001020000-0x00000000011D1000-memory.dmp autoit_exe behavioral1/memory/2112-31-0x0000000001020000-0x00000000011D1000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2112 set thread context of 2660 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 31 -
resource yara_rule behavioral1/memory/2112-0-0x0000000001020000-0x00000000011D1000-memory.dmp upx behavioral1/memory/2112-18-0x0000000001020000-0x00000000011D1000-memory.dmp upx behavioral1/memory/2112-19-0x0000000001020000-0x00000000011D1000-memory.dmp upx behavioral1/memory/2112-22-0x0000000001020000-0x00000000011D1000-memory.dmp upx behavioral1/memory/2112-23-0x0000000001020000-0x00000000011D1000-memory.dmp upx behavioral1/memory/2112-24-0x0000000001020000-0x00000000011D1000-memory.dmp upx behavioral1/memory/2112-25-0x0000000001020000-0x00000000011D1000-memory.dmp upx behavioral1/memory/2112-26-0x0000000001020000-0x00000000011D1000-memory.dmp upx behavioral1/memory/2112-27-0x0000000001020000-0x00000000011D1000-memory.dmp upx behavioral1/memory/2112-28-0x0000000001020000-0x00000000011D1000-memory.dmp upx behavioral1/memory/2112-29-0x0000000001020000-0x00000000011D1000-memory.dmp upx behavioral1/memory/2112-30-0x0000000001020000-0x00000000011D1000-memory.dmp upx behavioral1/memory/2112-31-0x0000000001020000-0x00000000011D1000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 2 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 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2660 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2660 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2112 wrote to memory of 2660 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 31 PID 2112 wrote to memory of 2660 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 31 PID 2112 wrote to memory of 2660 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 31 PID 2112 wrote to memory of 2660 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 31 PID 2112 wrote to memory of 2660 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 31 PID 2112 wrote to memory of 2660 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 31 PID 2112 wrote to memory of 2660 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 31 PID 2112 wrote to memory of 2660 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 31 PID 2112 wrote to memory of 2660 2112 e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe"C:\Users\Admin\AppData\Local\Temp\e2b98f16b240560bdbcb6a044b83333a9a726bdbe99868c4df934af0582f02f0.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2112 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2660
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