Analysis
-
max time kernel
148s -
max time network
16s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
28-02-2021 07:18
Static task
static1
Behavioral task
behavioral1
Sample
4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
Resource
win7v20201028
General
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Target
4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe
-
Size
566KB
-
MD5
f26e9eb5914b78c8f295a4713939d4a9
-
SHA1
51997a3762efd15608e50abde8a687b17b481cc3
-
SHA256
4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965
-
SHA512
e51af7865aa4827fb4d525113a8d73373f3995a13194e21c70f792a68ed23c0f61090164670b68f16649b10fef54a2e3702ebe24810c32efca26e7d40c84dea9
Malware Config
Extracted
nanocore
1.2.2.0
:54984
127.0.0.1:54984
49c25f92-88ec-46d9-9a7c-8eb39880ba42
-
activate_away_mode
false
-
backup_connection_host
127.0.0.1
-
backup_dns_server
84.200.70.40
-
buffer_size
65535
-
build_time
2020-12-07T22:10:51.801964236Z
-
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
54984
-
default_group
Default
-
enable_debug_mode
false
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
49c25f92-88ec-46d9-9a7c-8eb39880ba42
-
mutex_timeout
5000
-
prevent_system_sleep
false
- primary_connection_host
-
primary_dns_server
84.200.69.80
-
request_elevation
false
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
false
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
7973
Signatures
-
Loads dropped DLL 2 IoCs
Processes:
4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exepid process 1004 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe 1004 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTFS Manager = "C:\\Program Files (x86)\\NTFS Manager\\ntfsmgr.exe" 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe -
Processes:
4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exedescription pid process target process PID 1004 set thread context of 1368 1004 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe -
Drops file in Program Files directory 2 IoCs
Processes:
4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exedescription ioc process File created C:\Program Files (x86)\NTFS Manager\ntfsmgr.exe 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe File opened for modification C:\Program Files (x86)\NTFS Manager\ntfsmgr.exe 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exepid process 1004 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe 1004 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe 1004 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe 1004 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe 1368 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe 1368 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe 1368 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exepid process 1368 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exepid process 1004 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exedescription pid process Token: SeDebugPrivilege 1368 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe Token: SeDebugPrivilege 1368 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exedescription pid process target process PID 1004 wrote to memory of 1368 1004 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe PID 1004 wrote to memory of 1368 1004 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe PID 1004 wrote to memory of 1368 1004 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe PID 1004 wrote to memory of 1368 1004 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe PID 1004 wrote to memory of 1368 1004 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe PID 1368 wrote to memory of 1580 1368 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe schtasks.exe PID 1368 wrote to memory of 1580 1368 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe schtasks.exe PID 1368 wrote to memory of 1580 1368 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe schtasks.exe PID 1368 wrote to memory of 1580 1368 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe schtasks.exe PID 1368 wrote to memory of 560 1368 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe schtasks.exe PID 1368 wrote to memory of 560 1368 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe schtasks.exe PID 1368 wrote to memory of 560 1368 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe schtasks.exe PID 1368 wrote to memory of 560 1368 4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe"C:\Users\Admin\AppData\Local\Temp\4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.exe"C:\Users\Admin\AppData\Local\Temp\4b13202d3051cdb4a77aea1f199b80e923c6071dc064246ae518a4ca57091965.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
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "NTFS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5C53.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "NTFS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5E09.tmp"3⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp5C53.tmpMD5
42720defdd16ddaf1eefae539842d62a
SHA19ace2b55a24537fe82b17c4782ecf9a4437f2701
SHA256903da32b8b842bf5c73f34da20626040385d20b52e6c05636126906edb8362e4
SHA512b851874c9a167b6899d00bdabfc79b1b1668ec5f43922d99c775c923c2a0e983536c02b92098da6181148537f7bca4ea0f7097c28aa389f669b8802bbc3cfb3b
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C:\Users\Admin\AppData\Local\Temp\tmp5E09.tmpMD5
41808f05a9aa523d0ef506d4993f1d6c
SHA15a228145decf63ebbbd673c9b7c08a86236a22d4
SHA256f76bd5da395a725b5998efab9a5d3160657cf2d44a8be83fa24af6ba29acf731
SHA5127cf71f8fd8dccaa8cf2c724afca3178be8b7a6e0cc6e4b44990e96413bd0dac8248e2bcfa1bb82da05efb6c4b46649722c20ce14cf4a44f1720e18732bd9246e
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\Users\Admin\AppData\Local\Temp\hcjp9mqi.dllMD5
c207d9eae3465543976410bb2f578c33
SHA1297ab2ee38cba9cb764cb74872155fb15d984ca2
SHA2561fc080f97140182ebaac437235b0ee53a32658bf7b6aed2680cd5c93e5c7c6e3
SHA512a563f62882f75e93d2c69bdf2880d3394686d5286469bb452b4ce54cdf5de4fc57edd9659d033def921091d918ac97c83cd6baa4d9e89e669f4d607f6b85b760
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\Users\Admin\AppData\Local\Temp\nsc4847.tmp\System.dllMD5
fccff8cb7a1067e23fd2e2b63971a8e1
SHA130e2a9e137c1223a78a0f7b0bf96a1c361976d91
SHA2566fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e
SHA512f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c
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memory/560-15-0x0000000000000000-mapping.dmp
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memory/1004-2-0x0000000076451000-0x0000000076453000-memory.dmpFilesize
8KB
-
memory/1368-11-0x0000000004651000-0x0000000004652000-memory.dmpFilesize
4KB
-
memory/1368-12-0x0000000004652000-0x0000000004653000-memory.dmpFilesize
4KB
-
memory/1368-10-0x0000000000400000-0x0000000000449000-memory.dmpFilesize
292KB
-
memory/1368-8-0x0000000000490000-0x00000000004C3000-memory.dmpFilesize
204KB
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memory/1368-7-0x0000000074B50000-0x000000007523E000-memory.dmpFilesize
6.9MB
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memory/1368-16-0x0000000004653000-0x0000000004654000-memory.dmpFilesize
4KB
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memory/1368-17-0x0000000004654000-0x0000000004655000-memory.dmpFilesize
4KB
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memory/1368-5-0x000000000040188B-mapping.dmp
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memory/1368-19-0x0000000004640000-0x0000000004645000-memory.dmpFilesize
20KB
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memory/1368-20-0x0000000004FA0000-0x0000000004FB9000-memory.dmpFilesize
100KB
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memory/1368-21-0x0000000004C00000-0x0000000004C03000-memory.dmpFilesize
12KB
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memory/1580-13-0x0000000000000000-mapping.dmp