Analysis
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max time kernel
147s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
06/01/2024, 09:35
Static task
static1
Behavioral task
behavioral1
Sample
45e50d930432d9cedc34dfd29d0ef10d.exe
Resource
win7-20231215-en
General
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Target
45e50d930432d9cedc34dfd29d0ef10d.exe
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Size
687KB
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MD5
45e50d930432d9cedc34dfd29d0ef10d
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SHA1
aaffe2041e2fc8619a24d862c1ca1abae5fe1f71
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SHA256
0aef1c6bc3804b522b5793742d05d6346a951c1ccf4000ab0dd3b37a1c362c14
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SHA512
ddc600c5fccfc20ecdc09dd852e213be9b7d5aeef2998da0f31f510845ca49a3162fc466141525c204965f92150794d445eec719f4209306c1e25cffd04fd01a
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SSDEEP
12288:n+J70shAUfvBweg+wToULrNMmnjx05WqV+60RiVycWTQLbOQDFi14Bp/j+PIH3ms:n+J70cLvBwP+8oUSmntIV+60wST8OQpi
Malware Config
Extracted
nanocore
1.2.2.0
microsoftsecurity.sytes.net:1177
backupnew.duckdns.org:1177
f0d143be-967c-4293-98d3-3a1e128b5398
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activate_away_mode
true
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backup_connection_host
backupnew.duckdns.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
2021-05-07T22:19:05.511961436Z
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bypass_user_account_control
false
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bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
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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
1177
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default_group
BotNet
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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
f0d143be-967c-4293-98d3-3a1e128b5398
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
microsoftsecurity.sytes.net
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primary_dns_server
8.8.8.8
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request_elevation
false
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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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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions 45e50d930432d9cedc34dfd29d0ef10d.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools 45e50d930432d9cedc34dfd29d0ef10d.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 45e50d930432d9cedc34dfd29d0ef10d.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 45e50d930432d9cedc34dfd29d0ef10d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Service = "C:\\Program Files (x86)\\ARP Service\\arpsvc.exe" 45e50d930432d9cedc34dfd29d0ef10d.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 45e50d930432d9cedc34dfd29d0ef10d.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 45e50d930432d9cedc34dfd29d0ef10d.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 45e50d930432d9cedc34dfd29d0ef10d.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1768 set thread context of 2536 1768 45e50d930432d9cedc34dfd29d0ef10d.exe 33 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\ARP Service\arpsvc.exe 45e50d930432d9cedc34dfd29d0ef10d.exe File opened for modification C:\Program Files (x86)\ARP Service\arpsvc.exe 45e50d930432d9cedc34dfd29d0ef10d.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2596 schtasks.exe 572 schtasks.exe 2112 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2536 45e50d930432d9cedc34dfd29d0ef10d.exe 2536 45e50d930432d9cedc34dfd29d0ef10d.exe 2536 45e50d930432d9cedc34dfd29d0ef10d.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2536 45e50d930432d9cedc34dfd29d0ef10d.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2536 45e50d930432d9cedc34dfd29d0ef10d.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1768 wrote to memory of 2596 1768 45e50d930432d9cedc34dfd29d0ef10d.exe 31 PID 1768 wrote to memory of 2596 1768 45e50d930432d9cedc34dfd29d0ef10d.exe 31 PID 1768 wrote to memory of 2596 1768 45e50d930432d9cedc34dfd29d0ef10d.exe 31 PID 1768 wrote to memory of 2596 1768 45e50d930432d9cedc34dfd29d0ef10d.exe 31 PID 1768 wrote to memory of 2536 1768 45e50d930432d9cedc34dfd29d0ef10d.exe 33 PID 1768 wrote to memory of 2536 1768 45e50d930432d9cedc34dfd29d0ef10d.exe 33 PID 1768 wrote to memory of 2536 1768 45e50d930432d9cedc34dfd29d0ef10d.exe 33 PID 1768 wrote to memory of 2536 1768 45e50d930432d9cedc34dfd29d0ef10d.exe 33 PID 1768 wrote to memory of 2536 1768 45e50d930432d9cedc34dfd29d0ef10d.exe 33 PID 1768 wrote to memory of 2536 1768 45e50d930432d9cedc34dfd29d0ef10d.exe 33 PID 1768 wrote to memory of 2536 1768 45e50d930432d9cedc34dfd29d0ef10d.exe 33 PID 1768 wrote to memory of 2536 1768 45e50d930432d9cedc34dfd29d0ef10d.exe 33 PID 1768 wrote to memory of 2536 1768 45e50d930432d9cedc34dfd29d0ef10d.exe 33 PID 2536 wrote to memory of 572 2536 45e50d930432d9cedc34dfd29d0ef10d.exe 34 PID 2536 wrote to memory of 572 2536 45e50d930432d9cedc34dfd29d0ef10d.exe 34 PID 2536 wrote to memory of 572 2536 45e50d930432d9cedc34dfd29d0ef10d.exe 34 PID 2536 wrote to memory of 572 2536 45e50d930432d9cedc34dfd29d0ef10d.exe 34 PID 2536 wrote to memory of 2112 2536 45e50d930432d9cedc34dfd29d0ef10d.exe 36 PID 2536 wrote to memory of 2112 2536 45e50d930432d9cedc34dfd29d0ef10d.exe 36 PID 2536 wrote to memory of 2112 2536 45e50d930432d9cedc34dfd29d0ef10d.exe 36 PID 2536 wrote to memory of 2112 2536 45e50d930432d9cedc34dfd29d0ef10d.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\45e50d930432d9cedc34dfd29d0ef10d.exe"C:\Users\Admin\AppData\Local\Temp\45e50d930432d9cedc34dfd29d0ef10d.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eBopYzBwUYOW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE3BA.tmp"2⤵
- Creates scheduled task(s)
PID:2596
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C:\Users\Admin\AppData\Local\Temp\45e50d930432d9cedc34dfd29d0ef10d.exe"{path}"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
PID:2536 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ARP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp168.tmp"3⤵
- Creates scheduled task(s)
PID:572
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ARP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2897.tmp"3⤵
- Creates scheduled task(s)
PID:2112
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5b938545ec264ac88cd1cc5fee7065554
SHA1b8100bc5c9d5b1116e171516092d474b0943f5d8
SHA2562c2b2d9082ffec52a5e88af31b120ef3b6754adfc2c337587a29864d746b5584
SHA512604034c52b1f7b796a631d770b28763e475dad3b65c8f5ebc04281f97bc1e449c2a7edb9b4c26a25dac1aedef35e0d5770f4e4d985cd425dc928826971a576af
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Filesize
1KB
MD528331d17c88749bd38944ddfe076dace
SHA1cab0e7314bef60c91b32f6f0a40742986599bc3a
SHA256cc6f68146b86e21f82597359d8f8f762074baaff2f601e1056945f6413aaa38d
SHA5126052ab0c7035607cafa49290f9700f08b9d8009ad03917a4f9a53dd1648aa58c1cf88a5d03057ff9f4a97a36712783f6f80719ce1794e46b436d3540e8b65af6