Analysis
-
max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02/03/2025, 04:36
Static task
static1
Behavioral task
behavioral1
Sample
bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe
Resource
win10v2004-20250217-en
General
-
Target
bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe
-
Size
685KB
-
MD5
09bca025504d51921fea0c27fed0f570
-
SHA1
d07867cf868e70188478b98c3ee2d176f63a8153
-
SHA256
bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598
-
SHA512
8f1acb9ef6a1a60335949f1deab733ca43baaa53c73370fbdf4280deedd16eaf9a7411e09a152c0af59c6312a7a93c71b20ea30a3b03cf28212091783f5e533a
-
SSDEEP
12288:o383le9ciUcsw99WWoQCIgeHPbH/jTlWv+AURMbHR9VlQPrVYV:a3Wcp9dtCI7HPL3EGfMhlCK
Malware Config
Extracted
nanocore
1.2.2.0
elroithegodofnsppd.duckdns.org:43366
elroithegodofnsppd.ddnsfree.com:43366
4991469e-2d84-4048-8aed-20a53304961e
-
activate_away_mode
false
-
backup_connection_host
elroithegodofnsppd.ddnsfree.com
- backup_dns_server
-
buffer_size
65538
-
build_time
2024-12-06T15:16:37.862063536Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
43366
-
default_group
EROI MY GOD
-
enable_debug_mode
true
-
gc_threshold
1.0485772e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.0485772e+07
-
mutex
4991469e-2d84-4048-8aed-20a53304961e
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
elroithegodofnsppd.duckdns.org
- primary_dns_server
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
false
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8009
Signatures
-
Nanocore family
-
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2720 powershell.exe 2052 powershell.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Manager = "C:\\Program Files (x86)\\DHCP Manager\\dhcpmgr.exe" bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Checks whether UAC is enabled 1 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2860 set thread context of 592 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 36 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\DHCP Manager\dhcpmgr.exe bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe File opened for modification C:\Program Files (x86)\DHCP Manager\dhcpmgr.exe bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 7 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2584 schtasks.exe 1444 schtasks.exe 2340 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 2720 powershell.exe 2052 powershell.exe 592 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 592 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 592 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 592 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe Token: SeDebugPrivilege 2720 powershell.exe Token: SeDebugPrivilege 2052 powershell.exe Token: SeDebugPrivilege 592 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe Token: SeDebugPrivilege 592 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 2860 wrote to memory of 2720 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 30 PID 2860 wrote to memory of 2720 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 30 PID 2860 wrote to memory of 2720 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 30 PID 2860 wrote to memory of 2720 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 30 PID 2860 wrote to memory of 2052 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 32 PID 2860 wrote to memory of 2052 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 32 PID 2860 wrote to memory of 2052 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 32 PID 2860 wrote to memory of 2052 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 32 PID 2860 wrote to memory of 2584 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 33 PID 2860 wrote to memory of 2584 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 33 PID 2860 wrote to memory of 2584 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 33 PID 2860 wrote to memory of 2584 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 33 PID 2860 wrote to memory of 592 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 36 PID 2860 wrote to memory of 592 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 36 PID 2860 wrote to memory of 592 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 36 PID 2860 wrote to memory of 592 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 36 PID 2860 wrote to memory of 592 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 36 PID 2860 wrote to memory of 592 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 36 PID 2860 wrote to memory of 592 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 36 PID 2860 wrote to memory of 592 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 36 PID 2860 wrote to memory of 592 2860 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 36 PID 592 wrote to memory of 1444 592 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 37 PID 592 wrote to memory of 1444 592 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 37 PID 592 wrote to memory of 1444 592 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 37 PID 592 wrote to memory of 1444 592 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 37 PID 592 wrote to memory of 2340 592 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 39 PID 592 wrote to memory of 2340 592 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 39 PID 592 wrote to memory of 2340 592 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 39 PID 592 wrote to memory of 2340 592 bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe 39
Processes
-
C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2860 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2720
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eVWFaJcLOjFwb.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2052
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eVWFaJcLOjFwb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA8FC.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2584
-
-
C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"C:\Users\Admin\AppData\Local\Temp\bf66c57ddedff135697f519e883eb73817f95e3e591079c17b3ee6c5aa1f6598.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:592 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpAAD0.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1444
-
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpAB1F.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2340
-
-
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
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD58c9ef4f5fe0804813ce6458c5f400730
SHA1d26dd03999a9fbfbd588ad4ca6956982d8b3a75f
SHA256a90f93c12cd506dd40526f2103b6fff80b23bb8a2129e0a3b5d2633c821738fa
SHA512997f7754b40e18fdd89b2262e593ea1976aea9021bdf7dbaa1212851e1865e0dcc10aece9c01a300a682088bd6997694250403e114da6b1c5598bfaf3a8d66b1
-
Filesize
1KB
MD54470d22aa72351f1f9cd955ef2212657
SHA185a717ff20895d58cffb775bae162d87fd8da5fa
SHA2563140ae583b3b3eefdaf66e7edb59109078449693c724b211f0445edb70316003
SHA51236202b63c6821e32634036ea98810f98762f122042a8fda60b75230530717fdb1fe163fabc4fe69cba5b1375dcaa1ae553267953faf787f18582cb6b3d736d89
-
Filesize
1KB
MD5cdf5683344404764a0f3592e9db8a5a1
SHA16705943b404de237cdd7080c05af25e2b1b6410c
SHA2561ea0af7c86be3e61c281ada0470c6dcf178834380def1903b5bb78b49440ffff
SHA51223c56873ca8520784cc1d6b0b4211b373fff6fb429872932e5274801d3b9d786566877cd16d1ffa0adca8c7aebb0b935701a0c071073edfbdb319002f99a182b
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD53018b7ae1f27a09ac7b900d65854348c
SHA14ddff32324bdf6f52bd0ae5468c14716cd8d0810
SHA256b4d2c0947de45f9f99f549411deb67363951c5cb79ef43db040bd718a3f9789b
SHA512d5deba5862c01298911b99c8c4cb7f42ae3285b806a4f38caf780e874220bc22fbdd7386c6fced840e86ca3fa422e0db9d37542caf9fde0a3c89f89fa392fad1