Analysis
-
max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
18-05-2024 01:12
Static task
static1
Behavioral task
behavioral1
Sample
62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe
Resource
win10v2004-20240226-en
General
-
Target
62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe
-
Size
697KB
-
MD5
c4c93bc9f72bed159b6b2eba554d9ff9
-
SHA1
5064d1765a61f37b166eccea7747d27e41332c67
-
SHA256
62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83
-
SHA512
d313f7791c09e47a832d0934a5e8875f580ac05c0d30f90263c4fa7dc6119cc6e34bdd328d2d1761f2fb82b318ebbacd64b656a5082724b4e181edc04290f409
-
SSDEEP
12288:Fi0pei36RcXKEl4qS5e99HNkaMAU7Bv7zB8tbcCt4pJ:FFpp36+6EWRerNTnU7BT2lco4
Malware Config
Extracted
nanocore
1.2.2.0
december2n.duckdns.org:65140
december2nd.ddns.net:65140
899d14c1-6714-492c-b745-3165bff717a5
-
activate_away_mode
false
-
backup_connection_host
december2nd.ddns.net
- backup_dns_server
-
buffer_size
65535
-
build_time
2024-02-27T02:16:51.671967236Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
65140
-
default_group
NO GREE
-
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
899d14c1-6714-492c-b745-3165bff717a5
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
december2n.duckdns.org
- primary_dns_server
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
-
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid process 2660 powershell.exe 2764 powershell.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTFS Monitor = "C:\\Program Files (x86)\\NTFS Monitor\\ntfsmon.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exedescription pid process target process PID 2108 set thread context of 3012 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe RegSvcs.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegSvcs.exedescription ioc process File created C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 2684 schtasks.exe 2488 schtasks.exe 1432 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exepowershell.exepowershell.exeRegSvcs.exepid process 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe 2764 powershell.exe 2660 powershell.exe 3012 RegSvcs.exe 3012 RegSvcs.exe 3012 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 3012 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exepowershell.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe Token: SeDebugPrivilege 2764 powershell.exe Token: SeDebugPrivilege 2660 powershell.exe Token: SeDebugPrivilege 3012 RegSvcs.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exeRegSvcs.exedescription pid process target process PID 2108 wrote to memory of 2660 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe powershell.exe PID 2108 wrote to memory of 2660 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe powershell.exe PID 2108 wrote to memory of 2660 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe powershell.exe PID 2108 wrote to memory of 2660 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe powershell.exe PID 2108 wrote to memory of 2764 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe powershell.exe PID 2108 wrote to memory of 2764 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe powershell.exe PID 2108 wrote to memory of 2764 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe powershell.exe PID 2108 wrote to memory of 2764 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe powershell.exe PID 2108 wrote to memory of 2684 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe schtasks.exe PID 2108 wrote to memory of 2684 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe schtasks.exe PID 2108 wrote to memory of 2684 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe schtasks.exe PID 2108 wrote to memory of 2684 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe schtasks.exe PID 2108 wrote to memory of 3012 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe RegSvcs.exe PID 2108 wrote to memory of 3012 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe RegSvcs.exe PID 2108 wrote to memory of 3012 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe RegSvcs.exe PID 2108 wrote to memory of 3012 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe RegSvcs.exe PID 2108 wrote to memory of 3012 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe RegSvcs.exe PID 2108 wrote to memory of 3012 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe RegSvcs.exe PID 2108 wrote to memory of 3012 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe RegSvcs.exe PID 2108 wrote to memory of 3012 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe RegSvcs.exe PID 2108 wrote to memory of 3012 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe RegSvcs.exe PID 2108 wrote to memory of 3012 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe RegSvcs.exe PID 2108 wrote to memory of 3012 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe RegSvcs.exe PID 2108 wrote to memory of 3012 2108 62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe RegSvcs.exe PID 3012 wrote to memory of 2488 3012 RegSvcs.exe schtasks.exe PID 3012 wrote to memory of 2488 3012 RegSvcs.exe schtasks.exe PID 3012 wrote to memory of 2488 3012 RegSvcs.exe schtasks.exe PID 3012 wrote to memory of 2488 3012 RegSvcs.exe schtasks.exe PID 3012 wrote to memory of 1432 3012 RegSvcs.exe schtasks.exe PID 3012 wrote to memory of 1432 3012 RegSvcs.exe schtasks.exe PID 3012 wrote to memory of 1432 3012 RegSvcs.exe schtasks.exe PID 3012 wrote to memory of 1432 3012 RegSvcs.exe schtasks.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe"C:\Users\Admin\AppData\Local\Temp\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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\62ce4e89f91a70f82f5a61bf76c4ab592982f761eef609bd7ea7b196f9415e83.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aJDyPjUKcXvqr.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aJDyPjUKcXvqr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp73D9.tmp"2⤵
- Creates scheduled task(s)
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "NTFS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7677.tmp"3⤵
- Creates scheduled task(s)
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "NTFS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp76F5.tmp"3⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\tmp73D9.tmpFilesize
1KB
MD5e739b2e1c085a4a156b72845d3a0fff9
SHA189650cb22cbfe75407a4548f30b9c3cf664da854
SHA256d065f3df10ec54fa3bf004f15cf3970617d846c6fe3e80f2844539d0710b92e3
SHA51277384d5f5f3b51bdb64f0b186c2532190b110731e460bb2c74e3bf3af6b75d87563141d9e7e1d57e16904b91846e6fff8c37ef775a6654721885991ada4591e9
-
C:\Users\Admin\AppData\Local\Temp\tmp7677.tmpFilesize
1KB
MD58cad1b41587ced0f1e74396794f31d58
SHA111054bf74fcf5e8e412768035e4dae43aa7b710f
SHA2563086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c
SHA51299c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef
-
C:\Users\Admin\AppData\Local\Temp\tmp76F5.tmpFilesize
1KB
MD5981e126601526eaa5b0ad45c496c4465
SHA1d610d6a21a8420cc73fcd3e54ddae75a5897b28b
SHA25611ae277dfa39e7038b782ca6557339e7fe88533fe83705c356a1500a1402d527
SHA512a59fb704d931ccb7e1ec1a7b98e24ccd8708be529066c6de4b673098cdebef539f7f50d9e051c43954b5a8e7f810862b3a4ede170f131e080dadc3e763ed4bdb
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msFilesize
7KB
MD526248478416d46f5a27dbbbd46c9aee7
SHA142e9c065097f28d8e42e9d3ce72826a219f2830d
SHA2568cc4ff251de96c0aabdfb13da1cd845ae4fab13345270ae2a784054a3f947e8a
SHA5122e55ddbe130ba5cc44fc448a6e5ff7c7e650e391443d2bd2865bab8c720d07e464204b9d6b9feebda4d2b3977bffe6ba9c7e3cd62fba9cea961be94a234b22ff
-
memory/2108-33-0x0000000074B30000-0x000000007521E000-memory.dmpFilesize
6.9MB
-
memory/2108-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmpFilesize
4KB
-
memory/2108-6-0x00000000051A0000-0x000000000521C000-memory.dmpFilesize
496KB
-
memory/2108-4-0x00000000006E0000-0x00000000006EC000-memory.dmpFilesize
48KB
-
memory/2108-3-0x00000000007A0000-0x00000000007C2000-memory.dmpFilesize
136KB
-
memory/2108-19-0x0000000074B3E000-0x0000000074B3F000-memory.dmpFilesize
4KB
-
memory/2108-5-0x0000000000300000-0x0000000000310000-memory.dmpFilesize
64KB
-
memory/2108-1-0x0000000000AC0000-0x0000000000B74000-memory.dmpFilesize
720KB
-
memory/2108-2-0x0000000074B30000-0x000000007521E000-memory.dmpFilesize
6.9MB
-
memory/3012-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
-
memory/3012-26-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/3012-32-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/3012-30-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/3012-29-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/3012-22-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/3012-24-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/3012-21-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/3012-41-0x00000000004D0000-0x00000000004DA000-memory.dmpFilesize
40KB
-
memory/3012-42-0x00000000004E0000-0x00000000004EC000-memory.dmpFilesize
48KB
-
memory/3012-43-0x00000000006E0000-0x00000000006FE000-memory.dmpFilesize
120KB
-
memory/3012-44-0x0000000000B60000-0x0000000000B6A000-memory.dmpFilesize
40KB