Analysis
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max time kernel
147s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
19-01-2025 21:20
Static task
static1
Behavioral task
behavioral1
Sample
eda1f9271a18bd14c8e3ccc575ef8da0.exe
Resource
win7-20240729-en
General
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Target
eda1f9271a18bd14c8e3ccc575ef8da0.exe
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Size
1.3MB
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MD5
eda1f9271a18bd14c8e3ccc575ef8da0
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SHA1
704f796328f013f1ac9d2f82104c254bc96b8130
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SHA256
691c9052e43556c9e4fbbec1db2f27bb448bdc3ee6492a648ff0a5b53d35b5e8
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SHA512
50874d1629809f4e1c3ebf04ddd5303f21ec30e3f4782c398f369cbc048c7fc63af23e59497815325619a650d724270d498ffbb8feb0a1f11055ab603f8073b1
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SSDEEP
24576:gAHnh+eWsN3skA4RV1Hom2KXMmHaH04xmQPD5U:Xh+ZkldoPK8YafxU
Malware Config
Extracted
nanocore
1.2.2.0
ponnyhurb.duckdns.org:6290
b3d970d4-fe05-46df-a7e4-b0e6b6eee3ae
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activate_away_mode
false
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backup_connection_host
ponnyhurb.duckdns.org
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2018-02-04T04:37:36.694334036Z
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bypass_user_account_control
false
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bypass_user_account_control_data
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clear_access_control
false
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clear_zone_identifier
false
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connect_delay
3992
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connection_port
6290
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default_group
ponnyhurb.duckdns.org
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enable_debug_mode
true
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gc_threshold
1.0485783e+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
b3d970d4-fe05-46df-a7e4-b0e6b6eee3ae
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mutex_timeout
4963
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prevent_system_sleep
false
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primary_connection_host
ponnyhurb.duckdns.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
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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Nanocore family
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Executes dropped EXE 3 IoCs
pid Process 1832 convertvhd.exe 2344 convertvhd.exe 1288 convertvhd.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\PCI Service = "C:\\Program Files (x86)\\PCI Service\\pcisv.exe" RegAsm.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegAsm.exe -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/files/0x000500000001a4d7-23.dat autoit_exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 2652 set thread context of 1796 2652 eda1f9271a18bd14c8e3ccc575ef8da0.exe 30 PID 1832 set thread context of 1344 1832 convertvhd.exe 39 PID 2344 set thread context of 1744 2344 convertvhd.exe 43 PID 1288 set thread context of 2172 1288 convertvhd.exe 47 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\PCI Service\pcisv.exe RegAsm.exe File opened for modification C:\Program Files (x86)\PCI Service\pcisv.exe RegAsm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 13 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 eda1f9271a18bd14c8e3ccc575ef8da0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language convertvhd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language convertvhd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language convertvhd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2820 schtasks.exe 2844 schtasks.exe 2732 schtasks.exe 816 schtasks.exe 788 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1796 RegAsm.exe 1796 RegAsm.exe 1796 RegAsm.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1796 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1796 RegAsm.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2652 wrote to memory of 1796 2652 eda1f9271a18bd14c8e3ccc575ef8da0.exe 30 PID 2652 wrote to memory of 1796 2652 eda1f9271a18bd14c8e3ccc575ef8da0.exe 30 PID 2652 wrote to memory of 1796 2652 eda1f9271a18bd14c8e3ccc575ef8da0.exe 30 PID 2652 wrote to memory of 1796 2652 eda1f9271a18bd14c8e3ccc575ef8da0.exe 30 PID 2652 wrote to memory of 1796 2652 eda1f9271a18bd14c8e3ccc575ef8da0.exe 30 PID 2652 wrote to memory of 1796 2652 eda1f9271a18bd14c8e3ccc575ef8da0.exe 30 PID 2652 wrote to memory of 1796 2652 eda1f9271a18bd14c8e3ccc575ef8da0.exe 30 PID 2652 wrote to memory of 1796 2652 eda1f9271a18bd14c8e3ccc575ef8da0.exe 30 PID 2652 wrote to memory of 1796 2652 eda1f9271a18bd14c8e3ccc575ef8da0.exe 30 PID 1796 wrote to memory of 2820 1796 RegAsm.exe 31 PID 1796 wrote to memory of 2820 1796 RegAsm.exe 31 PID 1796 wrote to memory of 2820 1796 RegAsm.exe 31 PID 1796 wrote to memory of 2820 1796 RegAsm.exe 31 PID 1796 wrote to memory of 2844 1796 RegAsm.exe 33 PID 1796 wrote to memory of 2844 1796 RegAsm.exe 33 PID 1796 wrote to memory of 2844 1796 RegAsm.exe 33 PID 1796 wrote to memory of 2844 1796 RegAsm.exe 33 PID 2652 wrote to memory of 2732 2652 eda1f9271a18bd14c8e3ccc575ef8da0.exe 35 PID 2652 wrote to memory of 2732 2652 eda1f9271a18bd14c8e3ccc575ef8da0.exe 35 PID 2652 wrote to memory of 2732 2652 eda1f9271a18bd14c8e3ccc575ef8da0.exe 35 PID 2652 wrote to memory of 2732 2652 eda1f9271a18bd14c8e3ccc575ef8da0.exe 35 PID 2240 wrote to memory of 1832 2240 taskeng.exe 38 PID 2240 wrote to memory of 1832 2240 taskeng.exe 38 PID 2240 wrote to memory of 1832 2240 taskeng.exe 38 PID 2240 wrote to memory of 1832 2240 taskeng.exe 38 PID 1832 wrote to memory of 1344 1832 convertvhd.exe 39 PID 1832 wrote to memory of 1344 1832 convertvhd.exe 39 PID 1832 wrote to memory of 1344 1832 convertvhd.exe 39 PID 1832 wrote to memory of 1344 1832 convertvhd.exe 39 PID 1832 wrote to memory of 1344 1832 convertvhd.exe 39 PID 1832 wrote to memory of 1344 1832 convertvhd.exe 39 PID 1832 wrote to memory of 1344 1832 convertvhd.exe 39 PID 1832 wrote to memory of 1344 1832 convertvhd.exe 39 PID 1832 wrote to memory of 1344 1832 convertvhd.exe 39 PID 1832 wrote to memory of 816 1832 convertvhd.exe 40 PID 1832 wrote to memory of 816 1832 convertvhd.exe 40 PID 1832 wrote to memory of 816 1832 convertvhd.exe 40 PID 1832 wrote to memory of 816 1832 convertvhd.exe 40 PID 2240 wrote to memory of 2344 2240 taskeng.exe 42 PID 2240 wrote to memory of 2344 2240 taskeng.exe 42 PID 2240 wrote to memory of 2344 2240 taskeng.exe 42 PID 2240 wrote to memory of 2344 2240 taskeng.exe 42 PID 2344 wrote to memory of 1744 2344 convertvhd.exe 43 PID 2344 wrote to memory of 1744 2344 convertvhd.exe 43 PID 2344 wrote to memory of 1744 2344 convertvhd.exe 43 PID 2344 wrote to memory of 1744 2344 convertvhd.exe 43 PID 2344 wrote to memory of 1744 2344 convertvhd.exe 43 PID 2344 wrote to memory of 1744 2344 convertvhd.exe 43 PID 2344 wrote to memory of 1744 2344 convertvhd.exe 43 PID 2344 wrote to memory of 1744 2344 convertvhd.exe 43 PID 2344 wrote to memory of 1744 2344 convertvhd.exe 43 PID 2344 wrote to memory of 788 2344 convertvhd.exe 44 PID 2344 wrote to memory of 788 2344 convertvhd.exe 44 PID 2344 wrote to memory of 788 2344 convertvhd.exe 44 PID 2344 wrote to memory of 788 2344 convertvhd.exe 44 PID 2240 wrote to memory of 1288 2240 taskeng.exe 46 PID 2240 wrote to memory of 1288 2240 taskeng.exe 46 PID 2240 wrote to memory of 1288 2240 taskeng.exe 46 PID 2240 wrote to memory of 1288 2240 taskeng.exe 46 PID 1288 wrote to memory of 2172 1288 convertvhd.exe 47 PID 1288 wrote to memory of 2172 1288 convertvhd.exe 47 PID 1288 wrote to memory of 2172 1288 convertvhd.exe 47 PID 1288 wrote to memory of 2172 1288 convertvhd.exe 47 PID 1288 wrote to memory of 2172 1288 convertvhd.exe 47
Processes
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C:\Users\Admin\AppData\Local\Temp\eda1f9271a18bd14c8e3ccc575ef8da0.exe"C:\Users\Admin\AppData\Local\Temp\eda1f9271a18bd14c8e3ccc575ef8da0.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.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:1796 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "PCI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA9D6.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2820
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "PCI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpAA64.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2844
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn chglogon /tr "C:\Users\Admin\CompatTelRunner\convertvhd.exe" /sc minute /mo 1 /F2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2732
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C:\Windows\system32\taskeng.exetaskeng.exe {D03D9E14-CA7C-4860-AD8F-E233ACA9D321} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Users\Admin\CompatTelRunner\convertvhd.exeC:\Users\Admin\CompatTelRunner\convertvhd.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"3⤵
- System Location Discovery: System Language Discovery
PID:1344
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn chglogon /tr "C:\Users\Admin\CompatTelRunner\convertvhd.exe" /sc minute /mo 1 /F3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:816
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C:\Users\Admin\CompatTelRunner\convertvhd.exeC:\Users\Admin\CompatTelRunner\convertvhd.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"3⤵
- System Location Discovery: System Language Discovery
PID:1744
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn chglogon /tr "C:\Users\Admin\CompatTelRunner\convertvhd.exe" /sc minute /mo 1 /F3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:788
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C:\Users\Admin\CompatTelRunner\convertvhd.exeC:\Users\Admin\CompatTelRunner\convertvhd.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1288 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"3⤵
- System Location Discovery: System Language Discovery
PID:2172
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Network
MITRE ATT&CK Enterprise v15
Persistence
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
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Filesize
1KB
MD5c6f0625bf4c1cdfb699980c9243d3b22
SHA143de1fe580576935516327f17b5da0c656c72851
SHA2568dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576
SHA5129ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969
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Filesize
1KB
MD5bbb0d424bb7cb3b0e6aeb68cf82b8f5f
SHA17e95dcd21a27ee53e5c23ed5a163df56a43d572a
SHA25608d6bee474edf0151a0d8ff942ba9e6a1efe069585c63477abd1c7bd8046e130
SHA5120dc790a415f9717f6e7633c1d5f2749a2eca5582c5bbe114119c3ddba6d4e4d0df48029622e2fe07f94d8ae97c334b88691b7721da50ada261449769ae31d466
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Filesize
1.3MB
MD5b4c4b54224a187e23dfc81804f3053bd
SHA1fa7344721c2154c62dcbd5eabc2d765fa7394f2e
SHA256c3e9bfdcb6058ba6347453517a197b7ae82c2ed3dbd09d7ca45bebb64def0ccd
SHA5122c9cd2e2acec5cad12c885caa8a181bdcc761d0aa887b0b3bb805b2ec5c6f01302aaf92819a9bb43d3e52dffa3ffb7fe4ca7f9ab75ffef1c672953f21bc339f7