Analysis
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max time kernel
143s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
11-08-2024 18:29
Static task
static1
Behavioral task
behavioral1
Sample
91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe
Resource
win10v2004-20240802-en
General
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Target
91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe
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Size
384KB
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MD5
27aa8ad8930fa0d076510cfb6573ce74
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SHA1
26da6ec9efcd8b95c2d744373532afd12d26bf8f
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SHA256
91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d
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SHA512
bb1af7c9caf9d05e6bf2ebf3ff8fbada74c0e4fbac04759428da3766110b66a8966081b22c0ffc4dc3a141a0914e552a6fc0a766c037c438546e8d4124f5922f
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SSDEEP
6144:6JHf/OboJwboxHcE2Heo6e+qFCKs7cDZGrBKdt7cWZGbpYByPT7lyvIcbSIvF68U:c3VwboxHc8o6epUVKd9cWvByPHly5WIl
Malware Config
Extracted
nanocore
1.2.2.0
blackangel.hopto.org:54984
f71cda30-fa3d-4402-acaf-cf2c8c816f12
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activate_away_mode
true
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backup_connection_host
blackangel.hopto.org
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2024-04-20T19:45:18.703376436Z
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bypass_user_account_control
true
- bypass_user_account_control_data
-
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
54984
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default_group
Default
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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
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
f71cda30-fa3d-4402-acaf-cf2c8c816f12
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
blackangel.hopto.org
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primary_dns_server
8.8.8.8
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request_elevation
true
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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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Executes dropped EXE 4 IoCs
Processes:
microsoft.exemicrosoft.exemicrosoft.exemicrosoft.exepid process 4724 microsoft.exe 3736 microsoft.exe 2080 microsoft.exe 4788 microsoft.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DSL Monitor = "C:\\Program Files (x86)\\DSL Monitor\\dslmon.exe" 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe -
Processes:
91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exemicrosoft.exemicrosoft.exedescription pid process target process PID 3172 set thread context of 1412 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe PID 4724 set thread context of 3736 4724 microsoft.exe microsoft.exe PID 2080 set thread context of 4788 2080 microsoft.exe microsoft.exe -
Drops file in Program Files directory 2 IoCs
Processes:
91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exedescription ioc process File created C:\Program Files (x86)\DSL Monitor\dslmon.exe 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe File opened for modification C:\Program Files (x86)\DSL Monitor\dslmon.exe 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe -
System Location Discovery: System Language Discovery 1 TTPs 18 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
microsoft.execmd.exemicrosoft.exemicrosoft.execmd.execmd.exe91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.execmd.execmd.execmd.exeschtasks.exeschtasks.execmd.exeschtasks.execmd.execmd.exe91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exemicrosoft.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsoft.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsoft.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsoft.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsoft.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 2784 schtasks.exe 2872 schtasks.exe 1632 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exepid process 1412 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe 1412 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe 1412 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe 1412 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe 1412 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe 1412 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exepid process 1412 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exedescription pid process Token: SeDebugPrivilege 1412 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe -
Suspicious use of WriteProcessMemory 60 IoCs
Processes:
91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.execmd.exemicrosoft.execmd.exemicrosoft.execmd.exedescription pid process target process PID 3172 wrote to memory of 1412 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe PID 3172 wrote to memory of 1412 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe PID 3172 wrote to memory of 1412 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe PID 3172 wrote to memory of 1412 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe PID 3172 wrote to memory of 1412 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe PID 3172 wrote to memory of 1412 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe PID 3172 wrote to memory of 1412 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe PID 3172 wrote to memory of 1412 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe PID 3172 wrote to memory of 4060 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe cmd.exe PID 3172 wrote to memory of 4060 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe cmd.exe PID 3172 wrote to memory of 4060 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe cmd.exe PID 3172 wrote to memory of 4128 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe cmd.exe PID 3172 wrote to memory of 4128 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe cmd.exe PID 3172 wrote to memory of 4128 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe cmd.exe PID 4128 wrote to memory of 2784 4128 cmd.exe schtasks.exe PID 4128 wrote to memory of 2784 4128 cmd.exe schtasks.exe PID 4128 wrote to memory of 2784 4128 cmd.exe schtasks.exe PID 3172 wrote to memory of 3524 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe cmd.exe PID 3172 wrote to memory of 3524 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe cmd.exe PID 3172 wrote to memory of 3524 3172 91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe cmd.exe PID 4724 wrote to memory of 3736 4724 microsoft.exe microsoft.exe PID 4724 wrote to memory of 3736 4724 microsoft.exe microsoft.exe PID 4724 wrote to memory of 3736 4724 microsoft.exe microsoft.exe PID 4724 wrote to memory of 3736 4724 microsoft.exe microsoft.exe PID 4724 wrote to memory of 3736 4724 microsoft.exe microsoft.exe PID 4724 wrote to memory of 3736 4724 microsoft.exe microsoft.exe PID 4724 wrote to memory of 3736 4724 microsoft.exe microsoft.exe PID 4724 wrote to memory of 3736 4724 microsoft.exe microsoft.exe PID 4724 wrote to memory of 2972 4724 microsoft.exe cmd.exe PID 4724 wrote to memory of 2972 4724 microsoft.exe cmd.exe PID 4724 wrote to memory of 2972 4724 microsoft.exe cmd.exe PID 4724 wrote to memory of 2896 4724 microsoft.exe cmd.exe PID 4724 wrote to memory of 2896 4724 microsoft.exe cmd.exe PID 4724 wrote to memory of 2896 4724 microsoft.exe cmd.exe PID 2896 wrote to memory of 2872 2896 cmd.exe schtasks.exe PID 2896 wrote to memory of 2872 2896 cmd.exe schtasks.exe PID 2896 wrote to memory of 2872 2896 cmd.exe schtasks.exe PID 4724 wrote to memory of 1196 4724 microsoft.exe cmd.exe PID 4724 wrote to memory of 1196 4724 microsoft.exe cmd.exe PID 4724 wrote to memory of 1196 4724 microsoft.exe cmd.exe PID 2080 wrote to memory of 4788 2080 microsoft.exe microsoft.exe PID 2080 wrote to memory of 4788 2080 microsoft.exe microsoft.exe PID 2080 wrote to memory of 4788 2080 microsoft.exe microsoft.exe PID 2080 wrote to memory of 4788 2080 microsoft.exe microsoft.exe PID 2080 wrote to memory of 4788 2080 microsoft.exe microsoft.exe PID 2080 wrote to memory of 4788 2080 microsoft.exe microsoft.exe PID 2080 wrote to memory of 4788 2080 microsoft.exe microsoft.exe PID 2080 wrote to memory of 4788 2080 microsoft.exe microsoft.exe PID 2080 wrote to memory of 624 2080 microsoft.exe cmd.exe PID 2080 wrote to memory of 624 2080 microsoft.exe cmd.exe PID 2080 wrote to memory of 624 2080 microsoft.exe cmd.exe PID 2080 wrote to memory of 1064 2080 microsoft.exe cmd.exe PID 2080 wrote to memory of 1064 2080 microsoft.exe cmd.exe PID 2080 wrote to memory of 1064 2080 microsoft.exe cmd.exe PID 1064 wrote to memory of 1632 1064 cmd.exe schtasks.exe PID 1064 wrote to memory of 1632 1064 cmd.exe schtasks.exe PID 1064 wrote to memory of 1632 1064 cmd.exe schtasks.exe PID 2080 wrote to memory of 4332 2080 microsoft.exe cmd.exe PID 2080 wrote to memory of 4332 2080 microsoft.exe cmd.exe PID 2080 wrote to memory of 4332 2080 microsoft.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe"C:\Users\Admin\AppData\Local\Temp\91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3172 -
C:\Users\Admin\AppData\Local\Temp\91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe"C:\Users\Admin\AppData\Local\Temp\91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1412 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\microsoft"2⤵
- System Location Discovery: System Language Discovery
PID:4060 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe'" /f2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4128 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe'" /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2784 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\91dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d.exe" "C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe"2⤵
- System Location Discovery: System Language Discovery
PID:3524
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C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exeC:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4724 -
C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe"C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3736 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\microsoft"2⤵
- System Location Discovery: System Language Discovery
PID:2972 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe'" /f2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe'" /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2872 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe" "C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe"2⤵
- System Location Discovery: System Language Discovery
PID:1196
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C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exeC:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080 -
C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe"C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4788 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\microsoft"2⤵
- System Location Discovery: System Language Discovery
PID:624 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe'" /f2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe'" /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1632 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe" "C:\Users\Admin\AppData\Roaming\microsoft\microsoft.exe"2⤵
- System Location Discovery: System Language Discovery
PID:4332
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
520B
MD5197fd086992c5b5eb6157c9a3a975845
SHA10f91d80c561c3c9398dca480bccd2b97be7d3995
SHA2563ed1b46e4594bb416a85f689348ecea7a74c7529a9997f116ada05d1430683c4
SHA5122deb85a9ee1b4e99e9a3875ab6089da6fe7e6e502fc2eebf65e8c9de9e2fae79b07465f2c71b24739914952cd4d646b71ddca4adf602b4cafebff01e4a8a9ad2
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Filesize
384KB
MD527aa8ad8930fa0d076510cfb6573ce74
SHA126da6ec9efcd8b95c2d744373532afd12d26bf8f
SHA25691dc640360851a1e69261fe72d9fa570a73e6d9465c8ebf971dbe840493b890d
SHA512bb1af7c9caf9d05e6bf2ebf3ff8fbada74c0e4fbac04759428da3766110b66a8966081b22c0ffc4dc3a141a0914e552a6fc0a766c037c438546e8d4124f5922f