Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
10-07-2024 17:55
Static task
static1
Behavioral task
behavioral1
Sample
93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe
Resource
win7-20240704-en
General
-
Target
93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe
-
Size
1.9MB
-
MD5
5474cd7ac3c1177904da5a67e636b2dd
-
SHA1
c86c722522a0fa6b9b7f2a98f59ca04110de0d11
-
SHA256
93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d
-
SHA512
1fd6c3ffd3eb8b8f1cc873112e77345886fee715771a1612edb22247fa532f50fd1ed2f01a845fe8d02757b397c560ad0d0da0fa9f0156e9c53ac1f80fe7534f
-
SSDEEP
49152:GSJChpoK4czru6sRSnin2+zcRARaKpOB0IGb8sj5ip0RkNG3k+YY8:irhUEmf9Yh
Malware Config
Extracted
nanocore
1.2.2.0
arkseven7002.ddns.net:7727
10a66da6-234d-4e15-acda-574830a08fca
-
activate_away_mode
true
-
backup_connection_host
arkseven7002.ddns.net
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2024-04-18T01:03:25.467183836Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
false
-
clear_zone_identifier
true
-
connect_delay
4000
-
connection_port
7727
-
default_group
BLESSED BOTS
-
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
10a66da6-234d-4e15-acda-574830a08fca
-
mutex_timeout
5000
-
prevent_system_sleep
true
-
primary_connection_host
arkseven7002.ddns.net
-
primary_dns_server
8.8.8.8
-
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
-
Disables RegEdit via registry modification 1 IoCs
Processes:
93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
regasm.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Service = "C:\\Program Files (x86)\\DDP Service\\ddpsvc.exe" regasm.exe -
Processes:
regasm.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA regasm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exedescription pid process target process PID 4032 set thread context of 2336 4032 93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe regasm.exe -
Drops file in Program Files directory 2 IoCs
Processes:
regasm.exedescription ioc process File opened for modification C:\Program Files (x86)\DDP Service\ddpsvc.exe regasm.exe File created C:\Program Files (x86)\DDP Service\ddpsvc.exe regasm.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
regasm.exepid process 2336 regasm.exe 2336 regasm.exe 2336 regasm.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
regasm.exepid process 2336 regasm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
regasm.exedescription pid process Token: SeDebugPrivilege 2336 regasm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exedescription pid process target process PID 4032 wrote to memory of 2336 4032 93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe regasm.exe PID 4032 wrote to memory of 2336 4032 93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe regasm.exe PID 4032 wrote to memory of 2336 4032 93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe regasm.exe PID 4032 wrote to memory of 2336 4032 93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe regasm.exe PID 4032 wrote to memory of 2336 4032 93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe regasm.exe PID 4032 wrote to memory of 2336 4032 93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe regasm.exe PID 4032 wrote to memory of 2336 4032 93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe regasm.exe PID 4032 wrote to memory of 2336 4032 93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe regasm.exe -
System policy modification 1 TTPs 2 IoCs
Processes:
93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1" 93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe"C:\Users\Admin\AppData\Local\Temp\93ef803a0a6d30205faaee49199b47907fa378e2350016cc63088eeb9514931d.exe"1⤵
- Disables RegEdit via registry modification
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/2336-0-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2336-1-0x000000007470E000-0x000000007470F000-memory.dmpFilesize
4KB
-
memory/2336-2-0x0000000005B20000-0x00000000060C4000-memory.dmpFilesize
5.6MB
-
memory/2336-3-0x0000000005610000-0x00000000056A2000-memory.dmpFilesize
584KB
-
memory/2336-4-0x00000000056B0000-0x000000000574C000-memory.dmpFilesize
624KB
-
memory/2336-5-0x0000000005850000-0x000000000585A000-memory.dmpFilesize
40KB
-
memory/2336-8-0x00000000058A0000-0x00000000058AA000-memory.dmpFilesize
40KB
-
memory/2336-9-0x0000000005A30000-0x0000000005A4E000-memory.dmpFilesize
120KB
-
memory/2336-10-0x0000000006590000-0x000000000659A000-memory.dmpFilesize
40KB
-
memory/2336-12-0x000000007470E000-0x000000007470F000-memory.dmpFilesize
4KB