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Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06/01/2025, 06:04
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe
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Size
1.0MB
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MD5
12897cc89f6a46e25f9d5445e9299003
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SHA1
6b3d478c2895cccbf8bfd6135338e517bb20707c
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SHA256
f7943cf69c4834c48a432c2a76caa9eecc80fa9fffdf5868277556c6d3fefd64
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SHA512
0baa5d19ae88a4bab3d512717e0ea27d6d3edcd4ea67712e90c0d5b0013e3fe6315e138514fc4bb39f07af27e58d669ca87ea7126edf43990a44fafa1d64514f
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SSDEEP
24576:jWFOB6AlAlKal/zPsKuLubbXwUv8hzZhg3+TE/+PnyuXzhU:zB6Y1O3yAwUkhzXgOTaYnyq
Malware Config
Extracted
nanocore
1.2.2.0
luf.ddns.net:8282
127.0.0.1:8282
086e57af-7b22-4ec3-b93e-b3b9bd99d4ca
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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
37.235.1.177
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buffer_size
65535
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build_time
2021-07-26T10:00:17.908045136Z
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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
8282
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default_group
luciano
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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
086e57af-7b22-4ec3-b93e-b3b9bd99d4ca
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
luf.ddns.net
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primary_dns_server
37.235.1.174
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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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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.
pid Process 1736 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe -
Unexpected DNS network traffic destination 7 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 37.235.1.177 Destination IP 37.235.1.174 Destination IP 37.235.1.177 Destination IP 37.235.1.174 Destination IP 37.235.1.177 Destination IP 37.235.1.174 Destination IP 37.235.1.174 -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Subsystem = "C:\\Program Files (x86)\\SMTP Subsystem\\smtpss.exe" JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2036 set thread context of 2564 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 102 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\SMTP Subsystem\smtpss.exe JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe File opened for modification C:\Program Files (x86)\SMTP Subsystem\smtpss.exe JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.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 4 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 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1604 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 1736 powershell.exe 2564 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 2564 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 2564 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 1736 powershell.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2564 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe Token: SeDebugPrivilege 1736 powershell.exe Token: SeDebugPrivilege 2564 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2036 wrote to memory of 1736 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 99 PID 2036 wrote to memory of 1736 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 99 PID 2036 wrote to memory of 1736 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 99 PID 2036 wrote to memory of 1604 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 101 PID 2036 wrote to memory of 1604 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 101 PID 2036 wrote to memory of 1604 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 101 PID 2036 wrote to memory of 2564 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 102 PID 2036 wrote to memory of 2564 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 102 PID 2036 wrote to memory of 2564 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 102 PID 2036 wrote to memory of 2564 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 102 PID 2036 wrote to memory of 2564 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 102 PID 2036 wrote to memory of 2564 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 102 PID 2036 wrote to memory of 2564 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 102 PID 2036 wrote to memory of 2564 2036 JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036 -
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\JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1736
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VJGIel" /XML "C:\Users\Admin\AppData\Local\Temp\tmp54F1.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1604
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12897cc89f6a46e25f9d5445e9299003.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
PID:2564
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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
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82