Analysis
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max time kernel
112s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
29/11/2023, 16:41
Static task
static1
Behavioral task
behavioral1
Sample
e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe
Resource
win7-20231023-en
General
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Target
e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe
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Size
654KB
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MD5
d0cc28fddecca60c208ae56d78014e95
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SHA1
34069e3897de6509b630f9b65b067ae9a74baffc
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SHA256
e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5
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SHA512
68626b0f448af738fdc41b4c8f71adb956d6ea29e5cd843ad71902b59f6beee88b42805ee50387749b05f2a019f56f45b2efa443883c6d7afd9edcc66d518d80
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SSDEEP
12288:wEg7SnvSNDeJDeR9p36kn3nqoMyOw3ZguCvvUH4qtQJ3aPjSEIOLusQmbCpi3U:wEg+vODyDIX36k3uA3Z3Cny4qt8aP2Ey
Malware Config
Extracted
nanocore
1.2.2.0
rn72836.sytes.net:6696
127.0.0.1:6696
3f30b298-001f-4f08-b22c-606b0d3632bd
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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
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buffer_size
65535
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build_time
2023-09-08T19:00:17.997607436Z
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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
6696
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default_group
rn728
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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
3f30b298-001f-4f08-b22c-606b0d3632bd
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
rn72836.sytes.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
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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Manager = "C:\\Program Files (x86)\\DHCP Manager\\dhcpmgr.exe" e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2548 set thread context of 4856 2548 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 91 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\DHCP Manager\dhcpmgr.exe e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe File opened for modification C:\Program Files (x86)\DHCP Manager\dhcpmgr.exe e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3836 schtasks.exe 2496 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4856 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 4856 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 4856 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 4856 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 4856 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 4856 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4856 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4856 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2548 wrote to memory of 4856 2548 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 91 PID 2548 wrote to memory of 4856 2548 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 91 PID 2548 wrote to memory of 4856 2548 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 91 PID 2548 wrote to memory of 4856 2548 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 91 PID 2548 wrote to memory of 4856 2548 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 91 PID 2548 wrote to memory of 4856 2548 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 91 PID 2548 wrote to memory of 4856 2548 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 91 PID 2548 wrote to memory of 4856 2548 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 91 PID 4856 wrote to memory of 3836 4856 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 93 PID 4856 wrote to memory of 3836 4856 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 93 PID 4856 wrote to memory of 3836 4856 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 93 PID 4856 wrote to memory of 2496 4856 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 95 PID 4856 wrote to memory of 2496 4856 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 95 PID 4856 wrote to memory of 2496 4856 e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe"C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe"C:\Users\Admin\AppData\Local\Temp\e3f6a75a8004412643549e095af1150d8329a3c46a06aef839842b90d54933a5exe.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp196A.tmp"3⤵
- Creates scheduled task(s)
PID:3836
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp21F6.tmp"3⤵
- Creates scheduled task(s)
PID:2496
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5875dc87e150d02c32fff4a9b93e2c597
SHA15fcabd949c2819d092fc8ebccb9f5ccd643cc414
SHA256aba11d13c09cfc9704e52c7d9704a4eca16276e26f172d3853b78fc3c525e09a
SHA5125780dbd6401991302f6b45e5b3ed9f929b3b6a4d93b0dd95f0800fee9a55912b942bb08929c3605f0fe9bb285a43719f7d4893344ad3999ce71683a4878d3b2f
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Filesize
1KB
MD5cdf5683344404764a0f3592e9db8a5a1
SHA16705943b404de237cdd7080c05af25e2b1b6410c
SHA2561ea0af7c86be3e61c281ada0470c6dcf178834380def1903b5bb78b49440ffff
SHA51223c56873ca8520784cc1d6b0b4211b373fff6fb429872932e5274801d3b9d786566877cd16d1ffa0adca8c7aebb0b935701a0c071073edfbdb319002f99a182b