Analysis
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max time kernel
145s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
17-06-2024 13:03
Static task
static1
Behavioral task
behavioral1
Sample
20200610dc.exe
Resource
win7-20231129-en
General
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Target
20200610dc.exe
-
Size
1.2MB
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MD5
aeb3a06c21e39bbe3f408c5200b6c915
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SHA1
232e4d47cb6693407c0bad4b9f3e978849eda91d
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SHA256
fab230794e95cf1e3f8b01e6f4d5c61547a53c20ebe04d761226a1d119d48b2f
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SHA512
1335cf8951a2f9ed1e60724eecbab92b765610e4f896bf523c7e1c82c21acf3d90fefed36e061aeea03d3093947e04c980ffce8b828e3a8089c1089fa831bd6e
-
SSDEEP
24576:wAHnh+eWsN3skA4RV1Hom2KXMmHaf8ejxfhINmCmXEXPO7b45:nh+ZkldoPK8Yaf8ej5WmLcPKi
Malware Config
Extracted
nanocore
1.2.2.0
smith2020.ddns.net:1012
2ed7fe7a-0c42-4ab6-864c-db46cdd54bc1
-
activate_away_mode
true
- backup_connection_host
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-03-06T10:24:37.314917536Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
1012
-
default_group
Grace
-
enable_debug_mode
true
-
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
-
max_packet_size
1.048576e+07
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mutex
2ed7fe7a-0c42-4ab6-864c-db46cdd54bc1
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
smith2020.ddns.net
-
primary_dns_server
8.8.8.8
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request_elevation
true
-
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
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
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Drops startup file 1 IoCs
Processes:
20200610dc.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AboutSettingsHandlers.url 20200610dc.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
20200610dc.exedescription pid process target process PID 2520 set thread context of 3628 2520 20200610dc.exe MSBuild.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 27 IoCs
Processes:
20200610dc.exeMSBuild.exepid process 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 3628 MSBuild.exe 3628 MSBuild.exe 3628 MSBuild.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
MSBuild.exepid process 3628 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MSBuild.exedescription pid process Token: SeDebugPrivilege 3628 MSBuild.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
20200610dc.exepid process 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
20200610dc.exepid process 2520 20200610dc.exe 2520 20200610dc.exe 2520 20200610dc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
20200610dc.exeMSBuild.exedescription pid process target process PID 2520 wrote to memory of 3628 2520 20200610dc.exe MSBuild.exe PID 2520 wrote to memory of 3628 2520 20200610dc.exe MSBuild.exe PID 2520 wrote to memory of 3628 2520 20200610dc.exe MSBuild.exe PID 2520 wrote to memory of 3628 2520 20200610dc.exe MSBuild.exe PID 2520 wrote to memory of 3628 2520 20200610dc.exe MSBuild.exe PID 3628 wrote to memory of 3944 3628 MSBuild.exe schtasks.exe PID 3628 wrote to memory of 3944 3628 MSBuild.exe schtasks.exe PID 3628 wrote to memory of 3944 3628 MSBuild.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\20200610dc.exe"C:\Users\Admin\AppData\Local\Temp\20200610dc.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3628 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "AGP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE1D4.tmp"3⤵
- Creates scheduled task(s)
PID:3944
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpE1D4.tmpFilesize
1KB
MD5ae766004c0d8792953bafffe8f6a2e3b
SHA114b12f27543a401e2fe0af8052e116cab0032426
SHA2561abdd9b6a6b84e4ba1af1282dc84ce276c59ba253f4c4af05fea498a4fd99540
SHA512e530da4a5d4336fc37838d0e93b5eb3804b9c489c71f6954a47fc81a4c655bb72ec493e109cf96e6e3617d7623ac80697ad3bbd5ffc6281bafc8b34dca5e6567
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memory/2520-3-0x0000000003B20000-0x0000000003B86000-memory.dmpFilesize
408KB
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memory/2520-4-0x0000000003960000-0x00000000039C6000-memory.dmpFilesize
408KB
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memory/3628-5-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/3628-10-0x0000000074172000-0x0000000074173000-memory.dmpFilesize
4KB
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memory/3628-11-0x0000000074170000-0x0000000074721000-memory.dmpFilesize
5.7MB
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memory/3628-12-0x0000000074170000-0x0000000074721000-memory.dmpFilesize
5.7MB
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memory/3628-17-0x0000000074170000-0x0000000074721000-memory.dmpFilesize
5.7MB
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memory/3628-18-0x0000000074172000-0x0000000074173000-memory.dmpFilesize
4KB
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memory/3628-19-0x0000000074170000-0x0000000074721000-memory.dmpFilesize
5.7MB
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memory/3628-20-0x0000000074170000-0x0000000074721000-memory.dmpFilesize
5.7MB
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memory/3628-21-0x0000000074170000-0x0000000074721000-memory.dmpFilesize
5.7MB