Analysis
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max time kernel
147s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
11-07-2024 02:51
Static task
static1
Behavioral task
behavioral1
Sample
b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe
Resource
win7-20240705-en
General
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Target
b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe
-
Size
699KB
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MD5
56fae07d0d9ee560ef2fb4c536868b11
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SHA1
1ebcf170ce900f63a7238ad710cedbe1cfc712be
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SHA256
b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131
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SHA512
d32341d1e6a242a1f093c6ca7efcd73e512e90343dbdafa0efe66881f5d40db1a93dcf6fb64ce3f2bd39ea54457d98421cb54805c6f378fedabc1cefc16ce541
-
SSDEEP
12288:FnMuCLXNc0xC0eQJNPPFW1HJmLCstwCD5Nyk9wYKHsXUB0vioVUp24Ebp:FMfLXNcECriN1W1HJ4UCD7KJB06oVUp
Malware Config
Extracted
nanocore
1.2.2.0
newsddawork.3utilities.com:1620
maxlogs.webhop.me:1620
1fa46b72-10f9-4da3-bc15-84dde165706d
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activate_away_mode
true
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backup_connection_host
maxlogs.webhop.me
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2024-02-17T03:41:10.727034736Z
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bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
1620
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default_group
NewBin
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enable_debug_mode
true
-
gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
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mutex
1fa46b72-10f9-4da3-bc15-84dde165706d
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
newsddawork.3utilities.com
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primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
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run_delay
0
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run_on_startup
false
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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wan_timeout
8000
Signatures
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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\NAT Service = "C:\\Program Files (x86)\\NAT Service\\natsv.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exedescription pid process target process PID 988 set thread context of 3172 988 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Program Files (x86)\NAT Service\natsv.exe RegSvcs.exe File created C:\Program Files (x86)\NAT Service\natsv.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
RegSvcs.exepid process 3172 RegSvcs.exe 3172 RegSvcs.exe 3172 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 3172 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 3172 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exedescription pid process target process PID 988 wrote to memory of 3172 988 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 988 wrote to memory of 3172 988 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 988 wrote to memory of 3172 988 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 988 wrote to memory of 3172 988 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 988 wrote to memory of 3172 988 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 988 wrote to memory of 3172 988 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 988 wrote to memory of 3172 988 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 988 wrote to memory of 3172 988 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe"C:\Users\Admin\AppData\Local\Temp\b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/988-10-0x0000000009460000-0x00000000094FC000-memory.dmpFilesize
624KB
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memory/988-14-0x00000000751A0000-0x0000000075950000-memory.dmpFilesize
7.7MB
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memory/988-2-0x0000000005B20000-0x00000000060C4000-memory.dmpFilesize
5.6MB
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memory/988-3-0x0000000005610000-0x00000000056A2000-memory.dmpFilesize
584KB
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memory/988-4-0x00000000055D0000-0x00000000055DA000-memory.dmpFilesize
40KB
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memory/988-5-0x00000000751A0000-0x0000000075950000-memory.dmpFilesize
7.7MB
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memory/988-6-0x0000000005850000-0x0000000005862000-memory.dmpFilesize
72KB
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memory/988-0-0x00000000751AE000-0x00000000751AF000-memory.dmpFilesize
4KB
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memory/988-8-0x0000000005B10000-0x0000000005B1E000-memory.dmpFilesize
56KB
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memory/988-1-0x0000000000B00000-0x0000000000BB6000-memory.dmpFilesize
728KB
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memory/988-7-0x0000000005B00000-0x0000000005B08000-memory.dmpFilesize
32KB
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memory/988-9-0x00000000067E0000-0x000000000685A000-memory.dmpFilesize
488KB
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memory/3172-20-0x0000000005F10000-0x0000000005F1A000-memory.dmpFilesize
40KB
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memory/3172-13-0x00000000751A0000-0x0000000075950000-memory.dmpFilesize
7.7MB
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memory/3172-15-0x00000000751A0000-0x0000000075950000-memory.dmpFilesize
7.7MB
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memory/3172-18-0x0000000004FB0000-0x0000000004FBA000-memory.dmpFilesize
40KB
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memory/3172-19-0x00000000054B0000-0x00000000054CE000-memory.dmpFilesize
120KB
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memory/3172-11-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/3172-21-0x00000000751A0000-0x0000000075950000-memory.dmpFilesize
7.7MB
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memory/3172-22-0x00000000751A0000-0x0000000075950000-memory.dmpFilesize
7.7MB