Analysis
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max time kernel
145s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-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
-
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
-
build_time
2024-02-17T03:41:10.727034736Z
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bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
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
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
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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
-
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
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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\TCP Subsystem = "C:\\Program Files (x86)\\TCP Subsystem\\tcpss.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exedescription pid process target process PID 2136 set thread context of 1620 2136 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegSvcs.exedescription ioc process File created C:\Program Files (x86)\TCP Subsystem\tcpss.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\TCP Subsystem\tcpss.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
RegSvcs.exepid process 1620 RegSvcs.exe 1620 RegSvcs.exe 1620 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 1620 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 1620 RegSvcs.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exedescription pid process target process PID 2136 wrote to memory of 1620 2136 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 2136 wrote to memory of 1620 2136 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 2136 wrote to memory of 1620 2136 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 2136 wrote to memory of 1620 2136 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 2136 wrote to memory of 1620 2136 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 2136 wrote to memory of 1620 2136 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 2136 wrote to memory of 1620 2136 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 2136 wrote to memory of 1620 2136 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 2136 wrote to memory of 1620 2136 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 2136 wrote to memory of 1620 2136 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 2136 wrote to memory of 1620 2136 b3ecfad7812c038effe03852fe7794bd52d291a97d858245c48ba8fd8408e131.exe RegSvcs.exe PID 2136 wrote to memory of 1620 2136 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/1620-21-0x0000000073EC0000-0x00000000745AE000-memory.dmpFilesize
6.9MB
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memory/1620-9-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1620-27-0x0000000073EC0000-0x00000000745AE000-memory.dmpFilesize
6.9MB
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memory/1620-26-0x00000000003E0000-0x00000000003EA000-memory.dmpFilesize
40KB
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memory/1620-25-0x00000000003C0000-0x00000000003DE000-memory.dmpFilesize
120KB
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memory/1620-24-0x00000000003B0000-0x00000000003BA000-memory.dmpFilesize
40KB
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memory/1620-28-0x0000000073EC0000-0x00000000745AE000-memory.dmpFilesize
6.9MB
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memory/1620-7-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1620-20-0x0000000073EC0000-0x00000000745AE000-memory.dmpFilesize
6.9MB
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memory/1620-8-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1620-14-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1620-16-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1620-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/1620-11-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1620-18-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2136-5-0x0000000000700000-0x000000000070E000-memory.dmpFilesize
56KB
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memory/2136-19-0x0000000073EC0000-0x00000000745AE000-memory.dmpFilesize
6.9MB
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memory/2136-6-0x0000000004FA0000-0x000000000501A000-memory.dmpFilesize
488KB
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memory/2136-0-0x0000000073ECE000-0x0000000073ECF000-memory.dmpFilesize
4KB
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memory/2136-4-0x0000000000670000-0x0000000000678000-memory.dmpFilesize
32KB
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memory/2136-3-0x0000000000460000-0x0000000000472000-memory.dmpFilesize
72KB
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memory/2136-2-0x0000000073EC0000-0x00000000745AE000-memory.dmpFilesize
6.9MB
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memory/2136-1-0x0000000000EB0000-0x0000000000F66000-memory.dmpFilesize
728KB