Analysis
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max time kernel
138s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30-08-2024 01:24
Static task
static1
Behavioral task
behavioral1
Sample
8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe
Resource
win7-20240705-en
General
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Target
8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe
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Size
1.0MB
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MD5
15bd4ca6b9d238c9eca4159e5ac550c7
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SHA1
b184f22c346fc02f7eb98d979434cb5ee945cb05
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SHA256
8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829
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SHA512
e16c4be80024ae7bba60679801d68df24f5ead6167974f93a97db585adb285f23292404b7a93c45711d014e3f925336180d25e3e898d4a9fe6d611c1466a6074
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SSDEEP
24576:Mnpn/lsoEJvYWVX7UiLS2z+Q++D00BKidflm3ilPm:MnpnN3oYALU12z+UDjBKQl4v
Malware Config
Extracted
nanocore
1.2.2.0
e-businessloader.mywire.org:5230
127.0.0.1:5230
0be0e5d9-4209-4f88-b4fe-27e7b678a0b5
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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
2024-03-16T21:32:38.702958636Z
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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
5230
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default_group
e-business
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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
0be0e5d9-4209-4f88-b4fe-27e7b678a0b5
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
e-businessloader.mywire.org
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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
1.2.2.0
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wan_timeout
8000
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2460 created 3576 2460 8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe 56 -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Amtjh = "C:\\Users\\Admin\\AppData\\Roaming\\Amtjh.exe" 8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2460 set thread context of 3108 2460 8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe 87 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2460 8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe 3108 InstallUtil.exe 3108 InstallUtil.exe 3108 InstallUtil.exe 3108 InstallUtil.exe 3108 InstallUtil.exe 3108 InstallUtil.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3108 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2460 8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe Token: SeDebugPrivilege 2460 8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe Token: SeDebugPrivilege 3108 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2460 wrote to memory of 3108 2460 8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe 87 PID 2460 wrote to memory of 3108 2460 8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe 87 PID 2460 wrote to memory of 3108 2460 8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe 87 PID 2460 wrote to memory of 3108 2460 8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe 87 PID 2460 wrote to memory of 3108 2460 8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe 87 PID 2460 wrote to memory of 3108 2460 8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe 87 PID 2460 wrote to memory of 3108 2460 8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe 87 PID 2460 wrote to memory of 3108 2460 8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe 87
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3576
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C:\Users\Admin\AppData\Local\Temp\8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe"C:\Users\Admin\AppData\Local\Temp\8bdde20f5655fa32fc546f3b4e66b3b2a2872c0e55a73c377245808ffd218829.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2460
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3108
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