Analysis
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max time kernel
152s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2022 22:54
Static task
static1
Behavioral task
behavioral1
Sample
50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
Resource
win7-20220812-en
General
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Target
50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
-
Size
371KB
-
MD5
43f114afa21ad1fe53f9ac97c6644f75
-
SHA1
58c392562f5a7365d137f81eaedc32df0ef0b9b0
-
SHA256
50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f
-
SHA512
cd7226e9d6a4daa3a8e5bcd2c2ee2cf923bd93655e8f647b8be0e8f23901ca45c108d85fe885dbd49e4a5afcb87572f03370780e1579bc2be7157a5f0b6d1103
-
SSDEEP
6144:JRNWwLVJr58/VPYcAQKBCSa2b0PDsUFA6NN7Kia02yqb:JR0e58tdQCSRbqsU+Y5
Malware Config
Extracted
nanocore
1.2.1.1
tooblaq1.ddns.net:2233
tooblaq2.ddns.net:2233
722a6540-3583-410e-8546-79fbfc239905
-
activate_away_mode
false
-
backup_connection_host
tooblaq2.ddns.net
- backup_dns_server
-
buffer_size
65535
-
build_time
2014-09-30T12:55:59.665724036Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
2233
-
default_group
Default
-
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
722a6540-3583-410e-8546-79fbfc239905
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
tooblaq1.ddns.net
- primary_dns_server
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
true
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.1.1
-
wan_timeout
8000
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\update\\jzZ13pXfNp76.exe\",explorer.exe" 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe -
Processes:
50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exedescription pid process target process PID 2960 set thread context of 4400 2960 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exepid process 2960 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe 2960 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe 4400 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe 4400 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe 4400 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exepid process 4400 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exedescription pid process Token: SeDebugPrivilege 2960 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe Token: SeDebugPrivilege 4400 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exedescription pid process target process PID 2960 wrote to memory of 4400 2960 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe PID 2960 wrote to memory of 4400 2960 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe PID 2960 wrote to memory of 4400 2960 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe PID 2960 wrote to memory of 4400 2960 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe PID 2960 wrote to memory of 4400 2960 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe PID 2960 wrote to memory of 4400 2960 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe PID 2960 wrote to memory of 4400 2960 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe PID 2960 wrote to memory of 4400 2960 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe 50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe"C:\Users\Admin\AppData\Local\Temp\50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe"1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe"C:\Users\Admin\AppData\Local\Temp\50625b3d7a036373b2899796137b0ce7c77355a1f23625de7d5d3ef1db57922f.exe" winupdater2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2960-132-0x0000000075500000-0x0000000075AB1000-memory.dmpFilesize
5.7MB
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memory/2960-133-0x0000000075500000-0x0000000075AB1000-memory.dmpFilesize
5.7MB
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memory/4400-134-0x0000000000000000-mapping.dmp
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memory/4400-135-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/4400-136-0x0000000075500000-0x0000000075AB1000-memory.dmpFilesize
5.7MB
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memory/4400-137-0x0000000075500000-0x0000000075AB1000-memory.dmpFilesize
5.7MB