Analysis
-
max time kernel
92s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-10-2024 08:12
Static task
static1
Behavioral task
behavioral1
Sample
87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe
Resource
win7-20240704-en
General
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Target
87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe
-
Size
655KB
-
MD5
76839e674adbc02d2acf25a4fdde1039
-
SHA1
f5f977c2d069d41f45c2a138ef837228a929214f
-
SHA256
87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf
-
SHA512
55b7bbf5dda6dbe5b81f4fa0e131883ecd11c5db18c4b3c80d3af2b3ea078b991466496a906f1deb7f5178144a7133c48b58680d11658d2e3feefc0fa36fe043
-
SSDEEP
12288:WnCrahC2unU+ihE6d7YLQwX3796XDIXXcEre7mPKOjewUnB3GmEq:TahQU+4dmQan5re7myqewUVNE
Malware Config
Extracted
nanocore
1.2.2.0
blv23728.ddns.net:6110
127.0.0.1:6110
7c49fc8b-b4e3-4ea2-a895-eda0223cb79d
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activate_away_mode
true
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backup_connection_host
127.0.0.1
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backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2024-07-11T09:55:17.304143036Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
6110
-
default_group
M3M3
-
enable_debug_mode
true
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
7c49fc8b-b4e3-4ea2-a895-eda0223cb79d
-
mutex_timeout
5000
-
prevent_system_sleep
false
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primary_connection_host
blv23728.ddns.net
-
primary_dns_server
8.8.8.8
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request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
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set_critical_process
true
-
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.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Host = "C:\\Program Files (x86)\\ARP Host\\arphost.exe" 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe -
Processes:
87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exedescription pid Process procid_target PID 2440 set thread context of 1008 2440 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 88 -
Drops file in Program Files directory 2 IoCs
Processes:
87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exedescription ioc Process File created C:\Program Files (x86)\ARP Host\arphost.exe 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe File opened for modification C:\Program Files (x86)\ARP Host\arphost.exe 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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:
schtasks.exe87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exepowershell.exeschtasks.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.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 2060 schtasks.exe 2848 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
powershell.exe87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exepid Process 2884 powershell.exe 1008 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 1008 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 1008 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 2884 powershell.exe 1008 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 1008 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 1008 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exepid Process 1008 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exe87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exedescription pid Process Token: SeDebugPrivilege 2884 powershell.exe Token: SeDebugPrivilege 1008 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exedescription pid Process procid_target PID 2440 wrote to memory of 2884 2440 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 86 PID 2440 wrote to memory of 2884 2440 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 86 PID 2440 wrote to memory of 2884 2440 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 86 PID 2440 wrote to memory of 1008 2440 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 88 PID 2440 wrote to memory of 1008 2440 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 88 PID 2440 wrote to memory of 1008 2440 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 88 PID 2440 wrote to memory of 1008 2440 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 88 PID 2440 wrote to memory of 1008 2440 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 88 PID 2440 wrote to memory of 1008 2440 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 88 PID 2440 wrote to memory of 1008 2440 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 88 PID 2440 wrote to memory of 1008 2440 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 88 PID 1008 wrote to memory of 2060 1008 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 89 PID 1008 wrote to memory of 2060 1008 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 89 PID 1008 wrote to memory of 2060 1008 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 89 PID 1008 wrote to memory of 2848 1008 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 91 PID 1008 wrote to memory of 2848 1008 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 91 PID 1008 wrote to memory of 2848 1008 87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe"C:\Users\Admin\AppData\Local\Temp\87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440 -
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\87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2884
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C:\Users\Admin\AppData\Local\Temp\87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe"C:\Users\Admin\AppData\Local\Temp\87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.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:1008 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ARP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB508.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2060
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ARP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB5D4.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2848
-
-
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
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\87df6e5a5e0a50b6d49e15500f70588476991ef2ce6b6a745ab5164314a34fcf.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5944a7564eca114d8cc0bf09cacae107e
SHA1f9e178fe9e44fae8d9fd9d574cc39b799d06547e
SHA256ba522b99de13a7cd669a3dc482911ff76f2c34526651b0530e2f7906466c5c91
SHA512b49bd228b56b3455de89f98bef9b88c69ab9bed9e91088f73706c2a30364aad8e85b219bfff8a6ee5b64d26132fdd589b578e1549574329a9bf1a6e41475fbe5
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Filesize
1KB
MD5447ab194ab36cb1d20078d80e502b1b2
SHA1a947b3b2c91d7c50bb8d39bd4fc91a0d0cc5b1c0
SHA2568d5304b20b7d7dea223ce2738e5668054250d57bf6bed86b305b69924bd472f5
SHA51249ddc557f7f6635627eea9bf0fa12a14b7b13edb235ed560ee0044a7f87fe27b686ff878d347d0273d92eb0b318b8c2bca85c0fbf42d586ed7d7da39eac6a327