Analysis
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max time kernel
119s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
24-06-2024 21:01
Static task
static1
Behavioral task
behavioral1
Sample
5a42e2442b79943419bf0e39ad7be827.exe
Resource
win7-20240611-en
General
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Target
5a42e2442b79943419bf0e39ad7be827.exe
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Size
600KB
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MD5
5a42e2442b79943419bf0e39ad7be827
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SHA1
1a4a5d7594fbdfb3189915502a63c801a2180389
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SHA256
b449b20b95c94cd1dc77a0edbd7eb8c183392ff0bbb53f2ca374d129f5ace20a
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SHA512
f18e569b0fc487b77fbe55cb7beadfac99723d5ab0111d03e62bee1cb01db3b8bd6f97a050f95768f77f5eaddf78bf08f7f12ba4ffa52bd7e8e55a60bb4167ed
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SSDEEP
12288:U9PcfpbzzGwWjZK2P5VQiYwhKrmXLZNa8pKp1wFqexdCZMxZ3Q:viDj7xVQi9hOmXowFTCZQtQ
Malware Config
Extracted
nanocore
1.2.2.0
newsddawork.3utilities.com:1620
maxlogs.webhop.me:1620
1fa46b72-10f9-4da3-bc15-84dde165706d
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activate_away_mode
true
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backup_connection_host
maxlogs.webhop.me
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2024-02-17T03:41:10.727034736Z
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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
false
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connect_delay
4000
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connection_port
1620
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default_group
NewBin
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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
1fa46b72-10f9-4da3-bc15-84dde165706d
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
newsddawork.3utilities.com
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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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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
MSBuild.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Service = "C:\\Program Files (x86)\\DDP Service\\ddpsv.exe" MSBuild.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
5a42e2442b79943419bf0e39ad7be827.exedescription pid process target process PID 3008 set thread context of 2836 3008 5a42e2442b79943419bf0e39ad7be827.exe MSBuild.exe -
Drops file in Program Files directory 2 IoCs
Processes:
MSBuild.exedescription ioc process File created C:\Program Files (x86)\DDP Service\ddpsv.exe MSBuild.exe File opened for modification C:\Program Files (x86)\DDP Service\ddpsv.exe MSBuild.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 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 8 IoCs
Processes:
5a42e2442b79943419bf0e39ad7be827.exepowershell.exeMSBuild.exepid process 3008 5a42e2442b79943419bf0e39ad7be827.exe 3008 5a42e2442b79943419bf0e39ad7be827.exe 2704 powershell.exe 2836 MSBuild.exe 2836 MSBuild.exe 2836 MSBuild.exe 2836 MSBuild.exe 2836 MSBuild.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
MSBuild.exepid process 2836 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
5a42e2442b79943419bf0e39ad7be827.exepowershell.exeMSBuild.exedescription pid process Token: SeDebugPrivilege 3008 5a42e2442b79943419bf0e39ad7be827.exe Token: SeDebugPrivilege 2704 powershell.exe Token: SeDebugPrivilege 2836 MSBuild.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
5a42e2442b79943419bf0e39ad7be827.exedescription pid process target process PID 3008 wrote to memory of 2704 3008 5a42e2442b79943419bf0e39ad7be827.exe powershell.exe PID 3008 wrote to memory of 2704 3008 5a42e2442b79943419bf0e39ad7be827.exe powershell.exe PID 3008 wrote to memory of 2704 3008 5a42e2442b79943419bf0e39ad7be827.exe powershell.exe PID 3008 wrote to memory of 2704 3008 5a42e2442b79943419bf0e39ad7be827.exe powershell.exe PID 3008 wrote to memory of 2736 3008 5a42e2442b79943419bf0e39ad7be827.exe schtasks.exe PID 3008 wrote to memory of 2736 3008 5a42e2442b79943419bf0e39ad7be827.exe schtasks.exe PID 3008 wrote to memory of 2736 3008 5a42e2442b79943419bf0e39ad7be827.exe schtasks.exe PID 3008 wrote to memory of 2736 3008 5a42e2442b79943419bf0e39ad7be827.exe schtasks.exe PID 3008 wrote to memory of 2836 3008 5a42e2442b79943419bf0e39ad7be827.exe MSBuild.exe PID 3008 wrote to memory of 2836 3008 5a42e2442b79943419bf0e39ad7be827.exe MSBuild.exe PID 3008 wrote to memory of 2836 3008 5a42e2442b79943419bf0e39ad7be827.exe MSBuild.exe PID 3008 wrote to memory of 2836 3008 5a42e2442b79943419bf0e39ad7be827.exe MSBuild.exe PID 3008 wrote to memory of 2836 3008 5a42e2442b79943419bf0e39ad7be827.exe MSBuild.exe PID 3008 wrote to memory of 2836 3008 5a42e2442b79943419bf0e39ad7be827.exe MSBuild.exe PID 3008 wrote to memory of 2836 3008 5a42e2442b79943419bf0e39ad7be827.exe MSBuild.exe PID 3008 wrote to memory of 2836 3008 5a42e2442b79943419bf0e39ad7be827.exe MSBuild.exe PID 3008 wrote to memory of 2836 3008 5a42e2442b79943419bf0e39ad7be827.exe MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5a42e2442b79943419bf0e39ad7be827.exe"C:\Users\Admin\AppData\Local\Temp\5a42e2442b79943419bf0e39ad7be827.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zzTmYAoKh.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2704 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zzTmYAoKh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA728.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
PID:2736 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2836
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
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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C:\Users\Admin\AppData\Local\Temp\tmpA728.tmpFilesize
1KB
MD5ab91a7f6546ab5488b65a91b6a51ddbc
SHA1b23ac43cb909bd21cf80aa5ea3df4c9b38f8568f
SHA2562ce5765b9da7e8d747c9dca1954dbc9c41b6bfdd8e497770fe2186cb3082f4f5
SHA51212d7201c336bd4eda673bb2ab66e82344a5ad80b7523c3786734a246506a753080357e4e701080e17cd99807888951665fe6914dde3adf4db94894f9822a04d3
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memory/2836-17-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2836-44-0x0000000002100000-0x000000000210E000-memory.dmpFilesize
56KB
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memory/2836-19-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2836-45-0x0000000002270000-0x000000000229E000-memory.dmpFilesize
184KB
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memory/2836-43-0x00000000020B0000-0x00000000020C4000-memory.dmpFilesize
80KB
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memory/2836-41-0x00000000008F0000-0x0000000000904000-memory.dmpFilesize
80KB
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memory/2836-42-0x0000000000940000-0x0000000000950000-memory.dmpFilesize
64KB
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memory/2836-38-0x00000000008C0000-0x00000000008D2000-memory.dmpFilesize
72KB
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memory/2836-15-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2836-26-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2836-25-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2836-24-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2836-23-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmpFilesize
4KB
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memory/2836-21-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2836-46-0x0000000002160000-0x0000000002174000-memory.dmpFilesize
80KB
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memory/2836-39-0x00000000008D0000-0x00000000008DC000-memory.dmpFilesize
48KB
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memory/2836-40-0x00000000008E0000-0x00000000008EE000-memory.dmpFilesize
56KB
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memory/2836-30-0x0000000000480000-0x000000000048A000-memory.dmpFilesize
40KB
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memory/2836-31-0x00000000004C0000-0x00000000004DE000-memory.dmpFilesize
120KB
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memory/2836-32-0x0000000000490000-0x000000000049A000-memory.dmpFilesize
40KB
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memory/2836-35-0x00000000005B0000-0x00000000005C2000-memory.dmpFilesize
72KB
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memory/2836-36-0x0000000000810000-0x000000000082A000-memory.dmpFilesize
104KB
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memory/2836-37-0x0000000000650000-0x000000000065E000-memory.dmpFilesize
56KB
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memory/3008-7-0x0000000005290000-0x000000000530A000-memory.dmpFilesize
488KB
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memory/3008-2-0x0000000074720000-0x0000000074E0E000-memory.dmpFilesize
6.9MB
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memory/3008-1-0x0000000000F50000-0x0000000000FEC000-memory.dmpFilesize
624KB
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memory/3008-27-0x0000000074720000-0x0000000074E0E000-memory.dmpFilesize
6.9MB
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memory/3008-6-0x0000000000350000-0x000000000035C000-memory.dmpFilesize
48KB
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memory/3008-5-0x0000000000340000-0x0000000000348000-memory.dmpFilesize
32KB
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memory/3008-0-0x000000007472E000-0x000000007472F000-memory.dmpFilesize
4KB
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memory/3008-4-0x0000000000240000-0x0000000000252000-memory.dmpFilesize
72KB
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memory/3008-3-0x0000000004880000-0x0000000004912000-memory.dmpFilesize
584KB