Analysis
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max time kernel
164s -
max time network
92s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
27/11/2022, 00:05
Static task
static1
Behavioral task
behavioral1
Sample
6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe
Resource
win7-20221111-en
General
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Target
6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe
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Size
373KB
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MD5
8bec63147c104503e5fbf015f43aada1
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SHA1
7ac45539ec554d1868b76203d18d2c46fb4f069f
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SHA256
6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d
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SHA512
95147f853d23e498f46bc5f1d163fcfdaace088cf12f2e31409490ab9501483067686ef0920e419507c788468de045168c4460a570db4bf789f56441a6978f32
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SSDEEP
6144:A3GqLppybgISQTAfIi3afLvcWGJDB2uASN8EUbRSLQ0EwrfKza:clypScAfYfTEJDjFelALPTK
Malware Config
Extracted
nanocore
1.2.1.1
euroano.ddns.net:9033
euroano2.ddns.net:9033
69b947b8-14b5-4929-94b4-6b6cc9d47ccf
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activate_away_mode
true
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backup_connection_host
euroano2.ddns.net
- backup_dns_server
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buffer_size
65535
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build_time
2014-10-23T22:33:32.053582736Z
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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
9033
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default_group
nano
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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
69b947b8-14b5-4929-94b4-6b6cc9d47ccf
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mutex_timeout
5000
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prevent_system_sleep
true
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primary_connection_host
euroano.ddns.net
- primary_dns_server
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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
1.2.1.1
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wan_timeout
8000
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\9oNqwXA0uhYSdCD3\\fwJRU0yK4uB3.exe\",explorer.exe" 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1724 set thread context of 468 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 29 -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 468 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 468 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 468 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe Token: SeDebugPrivilege 468 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1724 wrote to memory of 1124 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 28 PID 1724 wrote to memory of 1124 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 28 PID 1724 wrote to memory of 1124 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 28 PID 1724 wrote to memory of 1124 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 28 PID 1724 wrote to memory of 468 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 29 PID 1724 wrote to memory of 468 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 29 PID 1724 wrote to memory of 468 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 29 PID 1724 wrote to memory of 468 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 29 PID 1724 wrote to memory of 468 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 29 PID 1724 wrote to memory of 468 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 29 PID 1724 wrote to memory of 468 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 29 PID 1724 wrote to memory of 468 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 29 PID 1724 wrote to memory of 468 1724 6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe"C:\Users\Admin\AppData\Local\Temp\6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe"1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Users\Admin\AppData\Local\Temp\6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe"C:\Users\Admin\AppData\Local\Temp\6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe"2⤵PID:1124
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C:\Users\Admin\AppData\Local\Temp\6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe"C:\Users\Admin\AppData\Local\Temp\6771ab93cecc2ca6b8527d18d4a6c449610d7d836d7a4d2bd9321b0993d0e84d.exe"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:468
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