Analysis
-
max time kernel
1200s -
max time network
1196s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 10:39
Static task
static1
General
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Target
63HiIJrDNvEfDcl.exe
-
Size
660KB
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MD5
e47509572ea188a78326872fda99fe64
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SHA1
61445d5ea22042336963a7a1060e6049c5d52fc1
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SHA256
ef2c040076c60b1c9dbe49868b75a036073d4e3d4d9d20d911e0166ffe1317f5
-
SHA512
98b9c9822008bff777797b4346df430fdb97516539b423984b709db878353cf4b8d20d53a1110507abafe94920468387f381e32f056493244f41ddbd37129c90
-
SSDEEP
12288:nyLMnTWeLAfxcFnogLeYyyrto7lydPuDdiOSoKLZytl7eDhbMWz3E65qq9:fnTW5wiWto7HijovLKDKWa
Malware Config
Extracted
nanocore
1.2.2.0
december2nd.ddns.net:65024
december2n.duckdns.org:65024
2c009a56-c28c-48f4-8875-acf9e1222e9f
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activate_away_mode
false
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backup_connection_host
december2n.duckdns.org
- backup_dns_server
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buffer_size
65535
-
build_time
2024-02-17T09:12:36.211032636Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
false
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clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
65024
-
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
2c009a56-c28c-48f4-8875-acf9e1222e9f
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
december2nd.ddns.net
- primary_dns_server
-
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 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid process 3000 powershell.exe 3716 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
63HiIJrDNvEfDcl.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation 63HiIJrDNvEfDcl.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\LAN Monitor = "C:\\Program Files (x86)\\LAN Monitor\\lanmon.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
63HiIJrDNvEfDcl.exedescription pid process target process PID 1712 set thread context of 4836 1712 63HiIJrDNvEfDcl.exe RegSvcs.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegSvcs.exedescription ioc process File created C:\Program Files (x86)\LAN Monitor\lanmon.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\LAN Monitor\lanmon.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 2792 schtasks.exe 2348 schtasks.exe 1620 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
Processes:
63HiIJrDNvEfDcl.exepowershell.exepowershell.exeRegSvcs.exepid process 1712 63HiIJrDNvEfDcl.exe 1712 63HiIJrDNvEfDcl.exe 1712 63HiIJrDNvEfDcl.exe 1712 63HiIJrDNvEfDcl.exe 1712 63HiIJrDNvEfDcl.exe 1712 63HiIJrDNvEfDcl.exe 3000 powershell.exe 3716 powershell.exe 1712 63HiIJrDNvEfDcl.exe 1712 63HiIJrDNvEfDcl.exe 3000 powershell.exe 1712 63HiIJrDNvEfDcl.exe 3716 powershell.exe 4836 RegSvcs.exe 4836 RegSvcs.exe 4836 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 4836 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
63HiIJrDNvEfDcl.exepowershell.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1712 63HiIJrDNvEfDcl.exe Token: SeDebugPrivilege 3000 powershell.exe Token: SeDebugPrivilege 3716 powershell.exe Token: SeDebugPrivilege 4836 RegSvcs.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
63HiIJrDNvEfDcl.exeRegSvcs.exedescription pid process target process PID 1712 wrote to memory of 3000 1712 63HiIJrDNvEfDcl.exe powershell.exe PID 1712 wrote to memory of 3000 1712 63HiIJrDNvEfDcl.exe powershell.exe PID 1712 wrote to memory of 3000 1712 63HiIJrDNvEfDcl.exe powershell.exe PID 1712 wrote to memory of 3716 1712 63HiIJrDNvEfDcl.exe powershell.exe PID 1712 wrote to memory of 3716 1712 63HiIJrDNvEfDcl.exe powershell.exe PID 1712 wrote to memory of 3716 1712 63HiIJrDNvEfDcl.exe powershell.exe PID 1712 wrote to memory of 2792 1712 63HiIJrDNvEfDcl.exe schtasks.exe PID 1712 wrote to memory of 2792 1712 63HiIJrDNvEfDcl.exe schtasks.exe PID 1712 wrote to memory of 2792 1712 63HiIJrDNvEfDcl.exe schtasks.exe PID 1712 wrote to memory of 3112 1712 63HiIJrDNvEfDcl.exe RegSvcs.exe PID 1712 wrote to memory of 3112 1712 63HiIJrDNvEfDcl.exe RegSvcs.exe PID 1712 wrote to memory of 3112 1712 63HiIJrDNvEfDcl.exe RegSvcs.exe PID 1712 wrote to memory of 4836 1712 63HiIJrDNvEfDcl.exe RegSvcs.exe PID 1712 wrote to memory of 4836 1712 63HiIJrDNvEfDcl.exe RegSvcs.exe PID 1712 wrote to memory of 4836 1712 63HiIJrDNvEfDcl.exe RegSvcs.exe PID 1712 wrote to memory of 4836 1712 63HiIJrDNvEfDcl.exe RegSvcs.exe PID 1712 wrote to memory of 4836 1712 63HiIJrDNvEfDcl.exe RegSvcs.exe PID 1712 wrote to memory of 4836 1712 63HiIJrDNvEfDcl.exe RegSvcs.exe PID 1712 wrote to memory of 4836 1712 63HiIJrDNvEfDcl.exe RegSvcs.exe PID 1712 wrote to memory of 4836 1712 63HiIJrDNvEfDcl.exe RegSvcs.exe PID 4836 wrote to memory of 2348 4836 RegSvcs.exe schtasks.exe PID 4836 wrote to memory of 2348 4836 RegSvcs.exe schtasks.exe PID 4836 wrote to memory of 2348 4836 RegSvcs.exe schtasks.exe PID 4836 wrote to memory of 1620 4836 RegSvcs.exe schtasks.exe PID 4836 wrote to memory of 1620 4836 RegSvcs.exe schtasks.exe PID 4836 wrote to memory of 1620 4836 RegSvcs.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\63HiIJrDNvEfDcl.exe"C:\Users\Admin\AppData\Local\Temp\63HiIJrDNvEfDcl.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\63HiIJrDNvEfDcl.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vrwJUPrQkQA.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vrwJUPrQkQA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9B84.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
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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
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA131.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA3F2.tmp"3⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nfhduvie.550.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\tmp9B84.tmpFilesize
1KB
MD5e29b7c5241d7bf27d62653e9a0f31752
SHA13ba3dbe57591d61f9834817e370ae372735440ae
SHA2564bf74d73e57006fb8158383b6da2e4835f5d5811a7b2f63acb99e8e503e5d5c4
SHA512f1d9d65c89f1d6174997c5acbf8092d65b77e089e6fb7e5780c68e0aa38f36c99584baa9ec9318063d2de78170047ec62f726d2f818ca2a0521b28be0bb9e899
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C:\Users\Admin\AppData\Local\Temp\tmpA131.tmpFilesize
1KB
MD58cad1b41587ced0f1e74396794f31d58
SHA111054bf74fcf5e8e412768035e4dae43aa7b710f
SHA2563086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c
SHA51299c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef
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C:\Users\Admin\AppData\Local\Temp\tmpA3F2.tmpFilesize
1KB
MD5ecf141ec69adbb2a5c3dd5c85cd0ec39
SHA10ad224632fa58d103142c05c44a142f3d7208291
SHA25664d8cfa0b25afee269839cd5fc0b66e5643bc318e5f4d3ce1b9dba2456c83316
SHA5124821b062d6672f3ed07833cfd7ab9abb533850b451b632d781fbfad8238fcd5ac52855f1f239547ae2d1c1477959f022430302a75cfd3c19a8473af72a1ef201
-
memory/1712-8-0x0000000006460000-0x0000000006470000-memory.dmpFilesize
64KB
-
memory/1712-0-0x000000007458E000-0x000000007458F000-memory.dmpFilesize
4KB
-
memory/1712-6-0x0000000005420000-0x00000000054BC000-memory.dmpFilesize
624KB
-
memory/1712-7-0x0000000005680000-0x000000000569E000-memory.dmpFilesize
120KB
-
memory/1712-4-0x0000000005330000-0x000000000533A000-memory.dmpFilesize
40KB
-
memory/1712-9-0x0000000006590000-0x00000000065A6000-memory.dmpFilesize
88KB
-
memory/1712-10-0x0000000007CF0000-0x0000000007D6C000-memory.dmpFilesize
496KB
-
memory/1712-5-0x0000000074580000-0x0000000074D30000-memory.dmpFilesize
7.7MB
-
memory/1712-16-0x000000007458E000-0x000000007458F000-memory.dmpFilesize
4KB
-
memory/1712-3-0x00000000051A0000-0x0000000005232000-memory.dmpFilesize
584KB
-
memory/1712-2-0x00000000056B0000-0x0000000005C54000-memory.dmpFilesize
5.6MB
-
memory/1712-52-0x0000000074580000-0x0000000074D30000-memory.dmpFilesize
7.7MB
-
memory/1712-37-0x0000000074580000-0x0000000074D30000-memory.dmpFilesize
7.7MB
-
memory/1712-1-0x00000000006F0000-0x000000000079C000-memory.dmpFilesize
688KB
-
memory/3000-76-0x0000000006AC0000-0x0000000006B63000-memory.dmpFilesize
652KB
-
memory/3000-79-0x0000000004860000-0x000000000486A000-memory.dmpFilesize
40KB
-
memory/3000-22-0x0000000004B00000-0x0000000004B22000-memory.dmpFilesize
136KB
-
memory/3000-98-0x0000000074580000-0x0000000074D30000-memory.dmpFilesize
7.7MB
-
memory/3000-24-0x0000000005440000-0x00000000054A6000-memory.dmpFilesize
408KB
-
memory/3000-20-0x0000000074580000-0x0000000074D30000-memory.dmpFilesize
7.7MB
-
memory/3000-94-0x0000000007160000-0x000000000717A000-memory.dmpFilesize
104KB
-
memory/3000-92-0x0000000007050000-0x000000000705E000-memory.dmpFilesize
56KB
-
memory/3000-91-0x0000000007020000-0x0000000007031000-memory.dmpFilesize
68KB
-
memory/3000-48-0x0000000005AB0000-0x0000000005ACE000-memory.dmpFilesize
120KB
-
memory/3000-90-0x00000000070A0000-0x0000000007136000-memory.dmpFilesize
600KB
-
memory/3000-50-0x0000000005F20000-0x0000000005F6C000-memory.dmpFilesize
304KB
-
memory/3000-19-0x0000000074580000-0x0000000074D30000-memory.dmpFilesize
7.7MB
-
memory/3000-17-0x0000000004CF0000-0x0000000005318000-memory.dmpFilesize
6.2MB
-
memory/3000-18-0x0000000074580000-0x0000000074D30000-memory.dmpFilesize
7.7MB
-
memory/3000-23-0x00000000053D0000-0x0000000005436000-memory.dmpFilesize
408KB
-
memory/3000-77-0x00000000074D0000-0x0000000007B4A000-memory.dmpFilesize
6.5MB
-
memory/3000-78-0x0000000006BF0000-0x0000000006C0A000-memory.dmpFilesize
104KB
-
memory/3000-65-0x000000006FAF0000-0x000000006FB3C000-memory.dmpFilesize
304KB
-
memory/3000-64-0x0000000006080000-0x00000000060B2000-memory.dmpFilesize
200KB
-
memory/3000-75-0x0000000006A90000-0x0000000006AAE000-memory.dmpFilesize
120KB
-
memory/3000-15-0x00000000021F0000-0x0000000002226000-memory.dmpFilesize
216KB
-
memory/3716-38-0x0000000074580000-0x0000000074D30000-memory.dmpFilesize
7.7MB
-
memory/3716-80-0x000000006FAF0000-0x000000006FB3C000-memory.dmpFilesize
304KB
-
memory/3716-35-0x0000000074580000-0x0000000074D30000-memory.dmpFilesize
7.7MB
-
memory/3716-36-0x0000000005CB0000-0x0000000006004000-memory.dmpFilesize
3.3MB
-
memory/3716-93-0x0000000007810000-0x0000000007824000-memory.dmpFilesize
80KB
-
memory/3716-95-0x00000000078F0000-0x00000000078F8000-memory.dmpFilesize
32KB
-
memory/3716-99-0x0000000074580000-0x0000000074D30000-memory.dmpFilesize
7.7MB
-
memory/3716-25-0x0000000074580000-0x0000000074D30000-memory.dmpFilesize
7.7MB
-
memory/4836-63-0x0000000005990000-0x000000000599A000-memory.dmpFilesize
40KB
-
memory/4836-62-0x00000000051E0000-0x00000000051FE000-memory.dmpFilesize
120KB
-
memory/4836-60-0x0000000004E20000-0x0000000004E2A000-memory.dmpFilesize
40KB
-
memory/4836-49-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/4836-61-0x0000000004E30000-0x0000000004E3C000-memory.dmpFilesize
48KB