Analysis
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max time kernel
150s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
26-11-2022 22:53
Static task
static1
Behavioral task
behavioral1
Sample
abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe
Resource
win7-20220901-en
General
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Target
abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe
-
Size
1.4MB
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MD5
004b74244795c938035ec870563e12a7
-
SHA1
400ce597011a7e3d42b84ac0219370249b8d8b4c
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SHA256
abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e
-
SHA512
c035467da13398bc5505cab90ec614526a5bf66e6baef4e3dc291420f7b3cd579da9c395969df67e5df46279375dd123052fcf359365dbf92e2e478d0c99923d
-
SSDEEP
12288:XH7Wcjdc/r2sxxiPGGAOOPSXDV8ClgVYhX5FSsf8Qg3C8okvHouRGwQpGeIw2X09:XbCj2sObHtqQ4Qt8oOIuRApTIHX+
Malware Config
Extracted
nanocore
1.2.1.1
zebookis.ddns.net:9033
551d96d5-d3e5-420a-8bcb-23ec5fc382df
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activate_away_mode
false
- backup_connection_host
- backup_dns_server
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buffer_size
65535
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build_time
2014-10-16T08:18:48.226675736Z
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bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
9033
-
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
551d96d5-d3e5-420a-8bcb-23ec5fc382df
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
zebookis.ddns.net
- primary_dns_server
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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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Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\POLICIES\EXPLORER\RUN abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\RUN\abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe" abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe" abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.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:
abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exedescription pid process target process PID 2016 set thread context of 1924 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe RegAsm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 1924 RegAsm.exe 1924 RegAsm.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegAsm.exepid process 1924 RegAsm.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exepid process 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 1924 RegAsm.exe -
Suspicious use of FindShellTrayWindow 10 IoCs
Processes:
abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exepid process 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe -
Suspicious use of SendNotifyMessage 10 IoCs
Processes:
abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exepid process 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exedescription pid process target process PID 2016 wrote to memory of 1924 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe RegAsm.exe PID 2016 wrote to memory of 1924 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe RegAsm.exe PID 2016 wrote to memory of 1924 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe RegAsm.exe PID 2016 wrote to memory of 1924 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe RegAsm.exe PID 2016 wrote to memory of 1924 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe RegAsm.exe PID 2016 wrote to memory of 1924 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe RegAsm.exe PID 2016 wrote to memory of 1924 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe RegAsm.exe PID 2016 wrote to memory of 1924 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe RegAsm.exe PID 2016 wrote to memory of 1924 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe RegAsm.exe PID 2016 wrote to memory of 1924 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe RegAsm.exe PID 2016 wrote to memory of 1924 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe RegAsm.exe PID 2016 wrote to memory of 1924 2016 abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe"C:\Users\Admin\AppData\Local\Temp\abf0b091de54892055d70bd290afc1b41e2155524eab977a1fe49f5e52fb105e.exe"1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- 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/1924-56-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1924-55-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1924-58-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1924-59-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1924-61-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1924-62-0x000000000041EDAE-mapping.dmp
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memory/1924-64-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1924-66-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/1924-68-0x0000000074870000-0x0000000074E1B000-memory.dmpFilesize
5.7MB
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memory/1924-69-0x0000000074870000-0x0000000074E1B000-memory.dmpFilesize
5.7MB
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memory/2016-54-0x0000000075A71000-0x0000000075A73000-memory.dmpFilesize
8KB