Analysis
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max time kernel
133s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
26-07-2024 00:59
Static task
static1
Behavioral task
behavioral1
Sample
71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe
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Size
1.7MB
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MD5
71fb723b1b4984e25c1c4539efb2dee8
-
SHA1
27fada457ff4eb5d948ef8fe9f958e06b08b8768
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SHA256
fde0fbb24ecfbf2b58440d52311046399c5893a618a994ebb256b38b9648a92d
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SHA512
9a102dc69a4153a5a9dd4112c3ea311a5b59df0c4f78c358798dfb6392ff231b786d8804a6fc895518ede4e320d7efa277079cf0cc07a1176f025a66cf026611
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SSDEEP
24576:TAHnh+eWsN3skA4RV1Hom2KXSmdaGwLf2PC6nnjqKoepGgfXYod2ggSq7672uaJN:eh+ZkldoPKi2aGsSjqKoepGgf7MnSAf
Malware Config
Extracted
nanocore
1.2.2.0
firstfv.ddns.net:51505
72.4.145.179:51505
45095205-2849-44d0-a48a-c4688f3f67ce
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activate_away_mode
true
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backup_connection_host
72.4.145.179
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2019-04-12T17:13:35.206851336Z
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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
true
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
51505
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default_group
First
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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
45095205-2849-44d0-a48a-c4688f3f67ce
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
firstfv.ddns.net
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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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Deletes itself 1 IoCs
Processes:
cmd.exepid process 2888 cmd.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Host = "C:\\Program Files (x86)\\ARP Host\\arphost.exe" RegAsm.exe -
Processes:
RegAsm.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exedescription pid process target process PID 2312 set thread context of 1824 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe RegAsm.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegAsm.exedescription ioc process File created C:\Program Files (x86)\ARP Host\arphost.exe RegAsm.exe File opened for modification C:\Program Files (x86)\ARP Host\arphost.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 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exeRegAsm.execmd.exetimeout.exeschtasks.exeschtasks.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1884 timeout.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 2672 schtasks.exe 3000 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
RegAsm.exepid process 1824 RegAsm.exe 1824 RegAsm.exe 1824 RegAsm.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegAsm.exepid process 1824 RegAsm.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exepid process 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 1824 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exepid process 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exepid process 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.execmd.exeRegAsm.exedescription pid process target process PID 2312 wrote to memory of 1824 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe RegAsm.exe PID 2312 wrote to memory of 1824 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe RegAsm.exe PID 2312 wrote to memory of 1824 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe RegAsm.exe PID 2312 wrote to memory of 1824 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe RegAsm.exe PID 2312 wrote to memory of 1824 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe RegAsm.exe PID 2312 wrote to memory of 1824 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe RegAsm.exe PID 2312 wrote to memory of 1824 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe RegAsm.exe PID 2312 wrote to memory of 1824 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe RegAsm.exe PID 2312 wrote to memory of 2888 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe cmd.exe PID 2312 wrote to memory of 2888 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe cmd.exe PID 2312 wrote to memory of 2888 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe cmd.exe PID 2312 wrote to memory of 2888 2312 71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe cmd.exe PID 2888 wrote to memory of 1884 2888 cmd.exe timeout.exe PID 2888 wrote to memory of 1884 2888 cmd.exe timeout.exe PID 2888 wrote to memory of 1884 2888 cmd.exe timeout.exe PID 2888 wrote to memory of 1884 2888 cmd.exe timeout.exe PID 1824 wrote to memory of 2672 1824 RegAsm.exe schtasks.exe PID 1824 wrote to memory of 2672 1824 RegAsm.exe schtasks.exe PID 1824 wrote to memory of 2672 1824 RegAsm.exe schtasks.exe PID 1824 wrote to memory of 2672 1824 RegAsm.exe schtasks.exe PID 1824 wrote to memory of 3000 1824 RegAsm.exe schtasks.exe PID 1824 wrote to memory of 3000 1824 RegAsm.exe schtasks.exe PID 1824 wrote to memory of 3000 1824 RegAsm.exe schtasks.exe PID 1824 wrote to memory of 3000 1824 RegAsm.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2312 -
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:1824 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ARP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE5DC.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2672 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "ARP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE6B8.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3000 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\71fb723b1b4984e25c1c4539efb2dee8_JaffaCakes118.exe"2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Windows\SysWOW64\timeout.exeTimeOut 13⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1884
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
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Downloads
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Filesize
1KB
MD5c6f0625bf4c1cdfb699980c9243d3b22
SHA143de1fe580576935516327f17b5da0c656c72851
SHA2568dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576
SHA5129ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969
-
Filesize
1KB
MD5447ab194ab36cb1d20078d80e502b1b2
SHA1a947b3b2c91d7c50bb8d39bd4fc91a0d0cc5b1c0
SHA2568d5304b20b7d7dea223ce2738e5668054250d57bf6bed86b305b69924bd472f5
SHA51249ddc557f7f6635627eea9bf0fa12a14b7b13edb235ed560ee0044a7f87fe27b686ff878d347d0273d92eb0b318b8c2bca85c0fbf42d586ed7d7da39eac6a327