Analysis
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max time kernel
148s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
27-04-2024 06:29
Static task
static1
Behavioral task
behavioral1
Sample
02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe
Resource
win7-20240220-en
General
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Target
02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe
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Size
822KB
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MD5
02a1d12573f25e2c3dc5a3cbeab95ba4
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SHA1
148f271664a2d85954fc6ca8e8fe324cb111dc17
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SHA256
79eaf2d7188fe253da3171e6b4629105bb5399c125e60c90905b7d7b4ca507a6
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SHA512
152ade000175f8bc3ce851f9c9e467e831b97e41304f348bd434534c79e013d901193eb8b8339b9f9813f819bf4072f3c3323cac39a635579cf119a25d78f80c
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SSDEEP
12288:6PcNQnE3sErb7eGnwnPfJ5SuQ9eYhK5JG1c46:6PBE3so7QnPj3SUJGb6
Malware Config
Extracted
nanocore
1.2.2.0
testyme08.duckdns.org:2299
127.0.0.1:2299
259f5965-e6b9-4d8a-8537-9480cf48b35e
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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
8.8.4.4
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buffer_size
65535
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build_time
2018-08-24T11:25:42.690113836Z
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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
2299
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default_group
New Start
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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
259f5965-e6b9-4d8a-8537-9480cf48b35e
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
testyme08.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
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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Drops startup file 1 IoCs
Processes:
02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Svhost.url 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.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:
02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exedescription pid process target process PID 3796 set thread context of 1784 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe RegAsm.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 4928 schtasks.exe 1820 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exeRegAsm.exepid process 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe 1784 RegAsm.exe 1784 RegAsm.exe 1784 RegAsm.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegAsm.exepid process 1784 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe Token: SeDebugPrivilege 1784 RegAsm.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exeRegAsm.exedescription pid process target process PID 3796 wrote to memory of 5000 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe schtasks.exe PID 3796 wrote to memory of 5000 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe schtasks.exe PID 3796 wrote to memory of 5000 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe schtasks.exe PID 3796 wrote to memory of 4928 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe schtasks.exe PID 3796 wrote to memory of 4928 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe schtasks.exe PID 3796 wrote to memory of 4928 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe schtasks.exe PID 3796 wrote to memory of 776 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe RegAsm.exe PID 3796 wrote to memory of 776 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe RegAsm.exe PID 3796 wrote to memory of 776 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe RegAsm.exe PID 3796 wrote to memory of 1784 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe RegAsm.exe PID 3796 wrote to memory of 1784 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe RegAsm.exe PID 3796 wrote to memory of 1784 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe RegAsm.exe PID 3796 wrote to memory of 1784 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe RegAsm.exe PID 3796 wrote to memory of 1784 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe RegAsm.exe PID 3796 wrote to memory of 1784 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe RegAsm.exe PID 3796 wrote to memory of 1784 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe RegAsm.exe PID 3796 wrote to memory of 1784 3796 02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe RegAsm.exe PID 1784 wrote to memory of 1820 1784 RegAsm.exe schtasks.exe PID 1784 wrote to memory of 1820 1784 RegAsm.exe schtasks.exe PID 1784 wrote to memory of 1820 1784 RegAsm.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\02a1d12573f25e2c3dc5a3cbeab95ba4_JaffaCakes118.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3796 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /query2⤵PID:5000
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /sc MINUTE /tn Svhost /MO 1 /tr "C:\Users\Admin\Svhost\Svhost.exe\2⤵
- Creates scheduled task(s)
PID:4928 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵PID:776
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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:1784 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "UDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3FD8.tmp"3⤵
- Creates scheduled task(s)
PID:1820
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5c6f0625bf4c1cdfb699980c9243d3b22
SHA143de1fe580576935516327f17b5da0c656c72851
SHA2568dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576
SHA5129ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969