Analysis
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max time kernel
141s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
27-04-2024 20:41
Static task
static1
Behavioral task
behavioral1
Sample
0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe
Resource
win7-20240221-en
General
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Target
0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe
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Size
1.2MB
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MD5
0394e709d2c479e8334f4dab1bf8934f
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SHA1
cdfabfaea1c5401dd90eab200ac11edd2fda6aee
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SHA256
f3db4024743d94dac00d75d0775baa2d6e8cef9a078e2b4de1b3d085f3b14b3b
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SHA512
482514bcde3b8fa46d216c38b689871cb06ae605cf96c6458385a64a4bf2554fddc812b92ec3aeb4ba198a55d3f2b94e05bcba41ad49ffc916810e5979506c3a
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SSDEEP
24576:Ku6Jx3O0c+JY5UZ+XC0kGso/WaPldqQ4tATR3LMzmPGmqi3HAWY:8I0c++OCvkGsUWaP75ntTY
Malware Config
Extracted
nanocore
1.2.2.0
3112r.duckdns.org:5654
3113r.duckdns.org:5654
9365c7dc-1101-4f0b-bbb6-857716ad8621
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activate_away_mode
true
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backup_connection_host
3113r.duckdns.org
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backup_dns_server
3113r.duckdns.org
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buffer_size
65535
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build_time
2019-09-27T13:14:07.464020836Z
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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
5654
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default_group
sharper
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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
9365c7dc-1101-4f0b-bbb6-857716ad8621
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
3112r.duckdns.org
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primary_dns_server
3112r.duckdns.org
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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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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:
0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exedescription pid process target process PID 2292 set thread context of 2044 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe RegAsm.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 2044 RegAsm.exe 2044 RegAsm.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegAsm.exepid process 2044 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 2044 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exepid process 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exepid process 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exeRegAsm.exedescription pid process target process PID 2292 wrote to memory of 2044 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe RegAsm.exe PID 2292 wrote to memory of 2044 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe RegAsm.exe PID 2292 wrote to memory of 2044 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe RegAsm.exe PID 2292 wrote to memory of 2044 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe RegAsm.exe PID 2292 wrote to memory of 2044 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe RegAsm.exe PID 2292 wrote to memory of 2044 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe RegAsm.exe PID 2292 wrote to memory of 2044 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe RegAsm.exe PID 2292 wrote to memory of 2044 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe RegAsm.exe PID 2292 wrote to memory of 2044 2292 0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe RegAsm.exe PID 2044 wrote to memory of 2532 2044 RegAsm.exe schtasks.exe PID 2044 wrote to memory of 2532 2044 RegAsm.exe schtasks.exe PID 2044 wrote to memory of 2532 2044 RegAsm.exe schtasks.exe PID 2044 wrote to memory of 2532 2044 RegAsm.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\0394e709d2c479e8334f4dab1bf8934f_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2292 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1A44.tmp"3⤵
- Creates scheduled task(s)
PID:2532
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5c6f0625bf4c1cdfb699980c9243d3b22
SHA143de1fe580576935516327f17b5da0c656c72851
SHA2568dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576
SHA5129ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969