Analysis
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max time kernel
135s -
max time network
111s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
30-06-2020 12:12
Static task
static1
Behavioral task
behavioral1
Sample
9a2e3d2411e4749e116810fa7826a7bc.exe
Resource
win7v200430
General
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Target
9a2e3d2411e4749e116810fa7826a7bc.exe
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Size
413KB
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MD5
9a2e3d2411e4749e116810fa7826a7bc
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SHA1
8fa36894d0225ff558ec80c7701005f46eb52e6f
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SHA256
bc81143f6e0e4ead0a9c2922505798b21a81ffef96ad0d0bae5909d82550df6b
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SHA512
b986c71936d3f11d7d47b9ab66f7e3326e979277f0436b55bbfd043a8cf16f6bc7a279c2ec485aad48361dcb7763d200c80e563bdf88dc2016b5be17b077d242
Malware Config
Extracted
nanocore
1.2.2.0
bolingost.ddns.net:4419
194.5.97.23:4419
9f02c9d1-7da8-455c-851f-9e8eeebbb1c9
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activate_away_mode
true
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backup_connection_host
194.5.97.23
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2020-03-05T20:05:47.678818236Z
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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
4419
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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
9f02c9d1-7da8-455c-851f-9e8eeebbb1c9
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
bolingost.ddns.net
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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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Suspicious use of WriteProcessMemory 17 IoCs
Processes:
9a2e3d2411e4749e116810fa7826a7bc.exeMSBuild.exedescription pid process target process PID 1512 wrote to memory of 1992 1512 9a2e3d2411e4749e116810fa7826a7bc.exe schtasks.exe PID 1512 wrote to memory of 1992 1512 9a2e3d2411e4749e116810fa7826a7bc.exe schtasks.exe PID 1512 wrote to memory of 1992 1512 9a2e3d2411e4749e116810fa7826a7bc.exe schtasks.exe PID 1512 wrote to memory of 1992 1512 9a2e3d2411e4749e116810fa7826a7bc.exe schtasks.exe PID 1512 wrote to memory of 1056 1512 9a2e3d2411e4749e116810fa7826a7bc.exe MSBuild.exe PID 1512 wrote to memory of 1056 1512 9a2e3d2411e4749e116810fa7826a7bc.exe MSBuild.exe PID 1512 wrote to memory of 1056 1512 9a2e3d2411e4749e116810fa7826a7bc.exe MSBuild.exe PID 1512 wrote to memory of 1056 1512 9a2e3d2411e4749e116810fa7826a7bc.exe MSBuild.exe PID 1512 wrote to memory of 1056 1512 9a2e3d2411e4749e116810fa7826a7bc.exe MSBuild.exe PID 1512 wrote to memory of 1056 1512 9a2e3d2411e4749e116810fa7826a7bc.exe MSBuild.exe PID 1512 wrote to memory of 1056 1512 9a2e3d2411e4749e116810fa7826a7bc.exe MSBuild.exe PID 1512 wrote to memory of 1056 1512 9a2e3d2411e4749e116810fa7826a7bc.exe MSBuild.exe PID 1512 wrote to memory of 1056 1512 9a2e3d2411e4749e116810fa7826a7bc.exe MSBuild.exe PID 1056 wrote to memory of 1176 1056 MSBuild.exe schtasks.exe PID 1056 wrote to memory of 1176 1056 MSBuild.exe schtasks.exe PID 1056 wrote to memory of 1176 1056 MSBuild.exe schtasks.exe PID 1056 wrote to memory of 1176 1056 MSBuild.exe schtasks.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
9a2e3d2411e4749e116810fa7826a7bc.exedescription pid process target process PID 1512 set thread context of 1056 1512 9a2e3d2411e4749e116810fa7826a7bc.exe MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 1056 MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 1056 MSBuild.exe 1056 MSBuild.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
MSBuild.exepid process 1056 MSBuild.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1992 schtasks.exe 1176 schtasks.exe -
Processes:
MSBuild.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9a2e3d2411e4749e116810fa7826a7bc.exe"C:\Users\Admin\AppData\Local\Temp\9a2e3d2411e4749e116810fa7826a7bc.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bjqXbeSlfmg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp35DE.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"{path}"2⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Checks whether UAC is enabled
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WPA Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3D3E.tmp"3⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp35DE.tmp
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C:\Users\Admin\AppData\Local\Temp\tmp3D3E.tmp
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memory/1056-85-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1056-86-0x000000000041E792-mapping.dmp
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memory/1056-87-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1056-88-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1176-89-0x0000000000000000-mapping.dmp
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memory/1992-83-0x0000000000000000-mapping.dmp