Analysis
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max time kernel
114s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30-09-2024 15:23
Static task
static1
Behavioral task
behavioral1
Sample
4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe
Resource
win7-20240903-en
General
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Target
4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe
-
Size
629KB
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MD5
280baa14b25c23e63122a4028928dff0
-
SHA1
8070c5e450768312a50c64be6edc386b009bea77
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SHA256
4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226
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SHA512
26b96a7b246c3abaa02a989ea1e90a9ede181133f8a1e1b9605b3812f1505527d4164e14c169c73773e5872881bfa512793cffb381110c4a3b4f160e307f0f6f
-
SSDEEP
12288:6dbG8Q1q8vDd/e6REdJqTu5XWN62tlN3d8SPzG2gvXqQ4tqXZUwxTJ:n8C7pecAMC5XKvNt8S7Nsy4FlJ
Malware Config
Extracted
nanocore
1.2.2.0
pnauco5.ddns.net:1664
cde38e58-d99c-4068-b775-59569bc2e8ce
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activate_away_mode
true
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backup_connection_host
pnauco5.ddns.net
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backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2024-07-03T06:48:27.569053036Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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clear_access_control
true
-
clear_zone_identifier
false
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connect_delay
4000
-
connection_port
1664
-
default_group
NEW
-
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
-
max_packet_size
1.048576e+07
-
mutex
cde38e58-d99c-4068-b775-59569bc2e8ce
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mutex_timeout
5000
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prevent_system_sleep
false
-
primary_connection_host
pnauco5.ddns.net
-
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
false
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set_critical_process
true
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timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
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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.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Monitor = "C:\\Program Files (x86)\\WPA Monitor\\wpamon.exe" 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe -
Processes:
4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exedescription pid Process procid_target PID 3944 set thread context of 4468 3944 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 99 -
Drops file in Program Files directory 2 IoCs
Processes:
4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exedescription ioc Process File created C:\Program Files (x86)\WPA Monitor\wpamon.exe 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe File opened for modification C:\Program Files (x86)\WPA Monitor\wpamon.exe 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe -
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 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exepowershell.exeschtasks.exeschtasks.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.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.
Processes:
schtasks.exeschtasks.exepid Process 2500 schtasks.exe 2984 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
powershell.exe4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exepid Process 4224 powershell.exe 4224 powershell.exe 4224 powershell.exe 4468 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 4468 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 4468 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 4468 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 4468 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 4468 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 4468 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exepid Process 4468 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exe4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exedescription pid Process Token: SeDebugPrivilege 4224 powershell.exe Token: SeDebugPrivilege 4468 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exedescription pid Process procid_target PID 3944 wrote to memory of 4224 3944 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 97 PID 3944 wrote to memory of 4224 3944 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 97 PID 3944 wrote to memory of 4224 3944 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 97 PID 3944 wrote to memory of 4468 3944 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 99 PID 3944 wrote to memory of 4468 3944 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 99 PID 3944 wrote to memory of 4468 3944 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 99 PID 3944 wrote to memory of 4468 3944 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 99 PID 3944 wrote to memory of 4468 3944 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 99 PID 3944 wrote to memory of 4468 3944 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 99 PID 3944 wrote to memory of 4468 3944 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 99 PID 3944 wrote to memory of 4468 3944 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 99 PID 4468 wrote to memory of 2500 4468 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 100 PID 4468 wrote to memory of 2500 4468 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 100 PID 4468 wrote to memory of 2500 4468 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 100 PID 4468 wrote to memory of 2984 4468 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 102 PID 4468 wrote to memory of 2984 4468 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 102 PID 4468 wrote to memory of 2984 4468 4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe"C:\Users\Admin\AppData\Local\Temp\4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3944 -
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\4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4224
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C:\Users\Admin\AppData\Local\Temp\4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe"C:\Users\Admin\AppData\Local\Temp\4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.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:4468 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WPA Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9F19.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2500
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WPA Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA17C.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2984
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4324,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=4340 /prefetch:81⤵PID:4092
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\4a842606d80e5bc30a9817fc11877889b24e3daccc2ba7ea0711d5c259e70226N.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5b674601d371594f10788817896dc1ac2
SHA104ab51c106292c6c5a7de234fb28105a9f684895
SHA25667328ea8324f47a48a58d1c49f5504bebc5a62eedb9ef0e7cb802dcfc294f3eb
SHA512eabbe97492be8f803105d674a68fc80e3e7d115f1345e55cdc5e79081de809874a8104f4c794d54ede18bdc3e0756ef2c618bf23dbc7b461a6c9cb5e2f885973
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Filesize
1KB
MD5a246b3561d823177f3586e629f144233
SHA10f05d12e55a1d2e5e6a4f307c193882fba093315
SHA2566abae7707b06e52b58f537b335e367cc54b093e899d78f16e94ceaf7ceafca52
SHA5124246aa9a96331e2c7e36b37fa778e31ecae055c77164e0dc673aa50cdec368f08d356ab06ef1a4540816c474828048ab1bebed7e211a4eb929f2918e1fac9c6d