Analysis
-
max time kernel
140s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 03:56
Static task
static1
Behavioral task
behavioral1
Sample
6WWUgqjTcGWPAyI.exe
Resource
win7-20240215-en
General
-
Target
6WWUgqjTcGWPAyI.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 3308 powershell.exe 4292 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
6WWUgqjTcGWPAyI.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 6WWUgqjTcGWPAyI.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\DPI Subsystem = "C:\\Program Files (x86)\\DPI Subsystem\\dpiss.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
6WWUgqjTcGWPAyI.exedescription pid process target process PID 4044 set thread context of 3956 4044 6WWUgqjTcGWPAyI.exe RegSvcs.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegSvcs.exedescription ioc process File created C:\Program Files (x86)\DPI Subsystem\dpiss.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\DPI Subsystem\dpiss.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 4504 schtasks.exe 2192 schtasks.exe 4328 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 17 IoCs
Processes:
6WWUgqjTcGWPAyI.exepowershell.exepowershell.exeRegSvcs.exepid process 4044 6WWUgqjTcGWPAyI.exe 4044 6WWUgqjTcGWPAyI.exe 4044 6WWUgqjTcGWPAyI.exe 4044 6WWUgqjTcGWPAyI.exe 4044 6WWUgqjTcGWPAyI.exe 4044 6WWUgqjTcGWPAyI.exe 4292 powershell.exe 3308 powershell.exe 4044 6WWUgqjTcGWPAyI.exe 4292 powershell.exe 3308 powershell.exe 3956 RegSvcs.exe 3956 RegSvcs.exe 3956 RegSvcs.exe 3956 RegSvcs.exe 3956 RegSvcs.exe 3956 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 3956 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
6WWUgqjTcGWPAyI.exepowershell.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 4044 6WWUgqjTcGWPAyI.exe Token: SeDebugPrivilege 3308 powershell.exe Token: SeDebugPrivilege 4292 powershell.exe Token: SeDebugPrivilege 3956 RegSvcs.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
6WWUgqjTcGWPAyI.exeRegSvcs.exedescription pid process target process PID 4044 wrote to memory of 3308 4044 6WWUgqjTcGWPAyI.exe powershell.exe PID 4044 wrote to memory of 3308 4044 6WWUgqjTcGWPAyI.exe powershell.exe PID 4044 wrote to memory of 3308 4044 6WWUgqjTcGWPAyI.exe powershell.exe PID 4044 wrote to memory of 4292 4044 6WWUgqjTcGWPAyI.exe powershell.exe PID 4044 wrote to memory of 4292 4044 6WWUgqjTcGWPAyI.exe powershell.exe PID 4044 wrote to memory of 4292 4044 6WWUgqjTcGWPAyI.exe powershell.exe PID 4044 wrote to memory of 4504 4044 6WWUgqjTcGWPAyI.exe schtasks.exe PID 4044 wrote to memory of 4504 4044 6WWUgqjTcGWPAyI.exe schtasks.exe PID 4044 wrote to memory of 4504 4044 6WWUgqjTcGWPAyI.exe schtasks.exe PID 4044 wrote to memory of 3956 4044 6WWUgqjTcGWPAyI.exe RegSvcs.exe PID 4044 wrote to memory of 3956 4044 6WWUgqjTcGWPAyI.exe RegSvcs.exe PID 4044 wrote to memory of 3956 4044 6WWUgqjTcGWPAyI.exe RegSvcs.exe PID 4044 wrote to memory of 3956 4044 6WWUgqjTcGWPAyI.exe RegSvcs.exe PID 4044 wrote to memory of 3956 4044 6WWUgqjTcGWPAyI.exe RegSvcs.exe PID 4044 wrote to memory of 3956 4044 6WWUgqjTcGWPAyI.exe RegSvcs.exe PID 4044 wrote to memory of 3956 4044 6WWUgqjTcGWPAyI.exe RegSvcs.exe PID 4044 wrote to memory of 3956 4044 6WWUgqjTcGWPAyI.exe RegSvcs.exe PID 3956 wrote to memory of 2192 3956 RegSvcs.exe schtasks.exe PID 3956 wrote to memory of 2192 3956 RegSvcs.exe schtasks.exe PID 3956 wrote to memory of 2192 3956 RegSvcs.exe schtasks.exe PID 3956 wrote to memory of 4328 3956 RegSvcs.exe schtasks.exe PID 3956 wrote to memory of 4328 3956 RegSvcs.exe schtasks.exe PID 3956 wrote to memory of 4328 3956 RegSvcs.exe schtasks.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\6WWUgqjTcGWPAyI.exe"C:\Users\Admin\AppData\Local\Temp\6WWUgqjTcGWPAyI.exe"1⤵
- Checks computer location settings
- 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\6WWUgqjTcGWPAyI.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\tmpA18F.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 "DPI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA6DF.tmp"3⤵
- Creates scheduled task(s)
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DPI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA9AE.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_y45wfchz.h0r.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Local\Temp\tmpA18F.tmpFilesize
1KB
MD50587b98e281220cb1cd1320e7860a652
SHA145a2eb5d11c0dae6d1287141991c5df14f76c7c3
SHA256fc10771bbb6d8578f707050c0c6290cc9bdecf468680c069455175d78572660e
SHA512395b737ac9f26ac281ef7236b66fbb66c587660d498c1870a2e54ac1ab84ad1aab4d9774cb99f8f7f16dd5e6fb6c92d1cf86b9e14d41ad30350cb4e44ec837ff
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C:\Users\Admin\AppData\Local\Temp\tmpA6DF.tmpFilesize
1KB
MD58cad1b41587ced0f1e74396794f31d58
SHA111054bf74fcf5e8e412768035e4dae43aa7b710f
SHA2563086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c
SHA51299c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef
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C:\Users\Admin\AppData\Local\Temp\tmpA9AE.tmpFilesize
1KB
MD55fea24e883e06e4df6d240dc72abf2c5
SHA1d778bf0f436141e02df4b421e8188abdcc9a84a4
SHA256e858982f4ab3c74f7a8903eea18c0f73501a77273ae38b54d5c9dec997e79a66
SHA51215afc2ffbbee14d28a5ff8dc8285d01c942147aada36fb33e31045a4e998769b51738bebe199bcad3462f918b535845a893aa2f80c84b9c795cd1fee4a327924
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memory/3308-20-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
-
memory/3308-46-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
-
memory/3308-77-0x0000000075A70000-0x0000000075ABC000-memory.dmpFilesize
304KB
-
memory/3308-98-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
-
memory/3308-38-0x0000000005B00000-0x0000000005E54000-memory.dmpFilesize
3.3MB
-
memory/3308-19-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
-
memory/3308-17-0x0000000005240000-0x0000000005868000-memory.dmpFilesize
6.2MB
-
memory/3308-16-0x0000000002820000-0x0000000002856000-memory.dmpFilesize
216KB
-
memory/3956-62-0x0000000005F40000-0x0000000005F5E000-memory.dmpFilesize
120KB
-
memory/3956-102-0x0000000006A50000-0x0000000006A62000-memory.dmpFilesize
72KB
-
memory/3956-110-0x0000000006B10000-0x0000000006B24000-memory.dmpFilesize
80KB
-
memory/3956-109-0x0000000006B00000-0x0000000006B10000-memory.dmpFilesize
64KB
-
memory/3956-103-0x0000000006A60000-0x0000000006A7A000-memory.dmpFilesize
104KB
-
memory/3956-113-0x0000000006B70000-0x0000000006B84000-memory.dmpFilesize
80KB
-
memory/3956-104-0x0000000006A90000-0x0000000006A9E000-memory.dmpFilesize
56KB
-
memory/3956-106-0x0000000006AB0000-0x0000000006ABE000-memory.dmpFilesize
56KB
-
memory/3956-112-0x0000000006B40000-0x0000000006B6E000-memory.dmpFilesize
184KB
-
memory/3956-105-0x0000000006AA0000-0x0000000006AB2000-memory.dmpFilesize
72KB
-
memory/3956-111-0x0000000006B30000-0x0000000006B3E000-memory.dmpFilesize
56KB
-
memory/3956-60-0x0000000005020000-0x000000000502A000-memory.dmpFilesize
40KB
-
memory/3956-47-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
-
memory/3956-61-0x0000000005040000-0x000000000504C000-memory.dmpFilesize
48KB
-
memory/3956-63-0x0000000005F60000-0x0000000005F6A000-memory.dmpFilesize
40KB
-
memory/3956-107-0x0000000006AC0000-0x0000000006ACC000-memory.dmpFilesize
48KB
-
memory/3956-108-0x0000000006AD0000-0x0000000006AE4000-memory.dmpFilesize
80KB
-
memory/4044-11-0x00000000751FE000-0x00000000751FF000-memory.dmpFilesize
4KB
-
memory/4044-8-0x00000000024D0000-0x00000000024E0000-memory.dmpFilesize
64KB
-
memory/4044-2-0x0000000005240000-0x00000000057E4000-memory.dmpFilesize
5.6MB
-
memory/4044-1-0x0000000000100000-0x00000000001B4000-memory.dmpFilesize
720KB
-
memory/4044-10-0x0000000009C80000-0x0000000009D1C000-memory.dmpFilesize
624KB
-
memory/4044-18-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
-
memory/4044-50-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
-
memory/4044-7-0x0000000009BD0000-0x0000000009BDC000-memory.dmpFilesize
48KB
-
memory/4044-4-0x0000000004C50000-0x0000000004C5A000-memory.dmpFilesize
40KB
-
memory/4044-5-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
-
memory/4044-3-0x0000000004BB0000-0x0000000004C42000-memory.dmpFilesize
584KB
-
memory/4044-0-0x00000000751FE000-0x00000000751FF000-memory.dmpFilesize
4KB
-
memory/4044-6-0x0000000004E50000-0x0000000004E72000-memory.dmpFilesize
136KB
-
memory/4044-9-0x0000000006090000-0x000000000610C000-memory.dmpFilesize
496KB
-
memory/4292-25-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
-
memory/4292-89-0x0000000007B00000-0x0000000007B0A000-memory.dmpFilesize
40KB
-
memory/4292-90-0x0000000007D00000-0x0000000007D96000-memory.dmpFilesize
600KB
-
memory/4292-91-0x0000000007C80000-0x0000000007C91000-memory.dmpFilesize
68KB
-
memory/4292-92-0x0000000007CB0000-0x0000000007CBE000-memory.dmpFilesize
56KB
-
memory/4292-93-0x0000000007CC0000-0x0000000007CD4000-memory.dmpFilesize
80KB
-
memory/4292-94-0x0000000007DC0000-0x0000000007DDA000-memory.dmpFilesize
104KB
-
memory/4292-95-0x0000000007DA0000-0x0000000007DA8000-memory.dmpFilesize
32KB
-
memory/4292-99-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
-
memory/4292-88-0x0000000007A80000-0x0000000007A9A000-memory.dmpFilesize
104KB
-
memory/4292-87-0x00000000080D0000-0x000000000874A000-memory.dmpFilesize
6.5MB
-
memory/4292-76-0x0000000007750000-0x00000000077F3000-memory.dmpFilesize
652KB
-
memory/4292-64-0x0000000007710000-0x0000000007742000-memory.dmpFilesize
200KB
-
memory/4292-65-0x0000000075A70000-0x0000000075ABC000-memory.dmpFilesize
304KB
-
memory/4292-75-0x00000000076F0000-0x000000000770E000-memory.dmpFilesize
120KB
-
memory/4292-55-0x0000000006780000-0x00000000067CC000-memory.dmpFilesize
304KB
-
memory/4292-51-0x0000000006760000-0x000000000677E000-memory.dmpFilesize
120KB
-
memory/4292-49-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
-
memory/4292-21-0x0000000005780000-0x00000000057A2000-memory.dmpFilesize
136KB
-
memory/4292-36-0x00000000751F0000-0x00000000759A0000-memory.dmpFilesize
7.7MB
-
memory/4292-22-0x0000000005820000-0x0000000005886000-memory.dmpFilesize
408KB
-
memory/4292-23-0x0000000005890000-0x00000000058F6000-memory.dmpFilesize
408KB