Analysis
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max time kernel
149s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01-10-2022 22:27
Static task
static1
Behavioral task
behavioral1
Sample
97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe
Resource
win7-20220812-en
General
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Target
97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe
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Size
549KB
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MD5
600969332802cc63fb2d2e24b1f76480
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SHA1
8801e4feb678ecd1b711b4d3c420c15b4b38ffab
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SHA256
97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7
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SHA512
18f9cfdbb0531c620685b088bd569c64fa82c5158b8b220d02dd04582da8e6a6507675ee74772660a1c3ec14ed964eed7dc87c0cd44fa29066b8de5815b67f15
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SSDEEP
12288:9n1jYssf65HQ8NJUpdD3nYGLi2LXoaxsLwIUf:9n1jYsq6hQ87mXLzL4aQof
Malware Config
Extracted
nanocore
1.2.2.2
robbertwayne.no-ip.biz:55809
127.0.0.1:55809
23414355-6598-4916-89e5-1dfb813410de
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activate_away_mode
true
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backup_connection_host
127.0.0.1
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2015-05-07T20:11:35.713773936Z
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bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
true
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connect_delay
4000
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connection_port
55809
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default_group
Decent
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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
-
lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
23414355-6598-4916-89e5-1dfb813410de
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
robbertwayne.no-ip.biz
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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
true
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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
1.2.2.2
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wan_timeout
8000
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
REG.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run REG.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ytrfyt = "C:\\Users\\Admin\\AppData\\Roaming\\bugbuh.exe" REG.exe -
Processes:
97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exedescription pid process target process PID 1504 set thread context of 952 1504 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe -
Modifies registry key 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exepid process 952 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe 952 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe 952 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe 952 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exepid process 952 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exedescription pid process Token: SeDebugPrivilege 1504 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe Token: SeDebugPrivilege 952 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exedescription pid process target process PID 1504 wrote to memory of 952 1504 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe PID 1504 wrote to memory of 952 1504 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe PID 1504 wrote to memory of 952 1504 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe PID 1504 wrote to memory of 952 1504 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe PID 1504 wrote to memory of 952 1504 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe PID 1504 wrote to memory of 952 1504 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe PID 1504 wrote to memory of 952 1504 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe PID 1504 wrote to memory of 952 1504 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe PID 1504 wrote to memory of 952 1504 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe PID 1504 wrote to memory of 520 1504 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe REG.exe PID 1504 wrote to memory of 520 1504 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe REG.exe PID 1504 wrote to memory of 520 1504 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe REG.exe PID 1504 wrote to memory of 520 1504 97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe REG.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe"C:\Users\Admin\AppData\Local\Temp\97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe"C:\Users\Admin\AppData\Local\Temp\97d71c63bb6db84b28a9c3b591eba52dd76ae15a3c7b06c2409566d0c65211d7.exe"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\REG.exeREG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /V "ytrfyt" /t REG_SZ /F /D "C:\Users\Admin\AppData\Roaming\bugbuh.exe2⤵
- Adds Run key to start application
- Modifies registry key
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/520-71-0x0000000000000000-mapping.dmp
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memory/952-61-0x0000000000400000-0x000000000047C000-memory.dmpFilesize
496KB
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memory/952-64-0x000000000041E73A-mapping.dmp
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memory/952-57-0x0000000000400000-0x000000000047C000-memory.dmpFilesize
496KB
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memory/952-58-0x0000000000400000-0x000000000047C000-memory.dmpFilesize
496KB
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memory/952-60-0x0000000000400000-0x000000000047C000-memory.dmpFilesize
496KB
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memory/952-73-0x0000000074C70000-0x000000007521B000-memory.dmpFilesize
5.7MB
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memory/952-63-0x0000000000400000-0x000000000047C000-memory.dmpFilesize
496KB
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memory/952-70-0x0000000074C70000-0x000000007521B000-memory.dmpFilesize
5.7MB
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memory/952-66-0x0000000000400000-0x000000000047C000-memory.dmpFilesize
496KB
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memory/952-68-0x0000000000400000-0x000000000047C000-memory.dmpFilesize
496KB
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memory/1504-56-0x0000000074C70000-0x000000007521B000-memory.dmpFilesize
5.7MB
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memory/1504-55-0x0000000074C70000-0x000000007521B000-memory.dmpFilesize
5.7MB
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memory/1504-72-0x0000000074C70000-0x000000007521B000-memory.dmpFilesize
5.7MB
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memory/1504-54-0x00000000768A1000-0x00000000768A3000-memory.dmpFilesize
8KB