Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
26-04-2024 07:49
Static task
static1
Behavioral task
behavioral1
Sample
004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe
Resource
win7-20240221-en
General
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Target
004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe
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Size
1.3MB
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MD5
004f7dbf5fb799c4f078c3f0832b19b7
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SHA1
cc64d24c325f8f77f14d5233effbdf24b8cce107
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SHA256
8c7d7b57c53c0a217d1c8cb3a75bcc499bf709d81931d20c85332aeeac776e15
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SHA512
0f32d3d846f2218f42fe137654c92a87d40a0ca6269aa33dda52fdde33f05441b25344275cc080b6a52b4834baf425d18329f3ee50a81b292040c82a46a54a15
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SSDEEP
24576:Mu6Jx3O0c+JY5UZ+XC0kGso/Wag5+OfKawLzmYthlWY:WI0c++OCvkGsUWag1Y
Malware Config
Extracted
nanocore
1.2.2.0
craftedfollowing.duckdns.org:5654
sandshoe.ignorelist.com:5654
c803da37-67c9-4565-a9a1-7b4402ff282d
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activate_away_mode
true
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backup_connection_host
sandshoe.ignorelist.com
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backup_dns_server
sandshoe.ignorelist.com
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buffer_size
65535
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build_time
2019-08-23T09:46:02.141270836Z
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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
Default
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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
c803da37-67c9-4565-a9a1-7b4402ff282d
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
craftedfollowing.duckdns.org
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primary_dns_server
craftedfollowing.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
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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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\DHCP Host = "C:\\Program Files (x86)\\DHCP Host\\dhcphost.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:
004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exedescription pid process target process PID 2884 set thread context of 2832 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe RegAsm.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegAsm.exedescription ioc process File created C:\Program Files (x86)\DHCP Host\dhcphost.exe RegAsm.exe File opened for modification C:\Program Files (x86)\DHCP Host\dhcphost.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 2084 schtasks.exe 2648 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 2832 RegAsm.exe 2832 RegAsm.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegAsm.exepid process 2832 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 2832 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exepid process 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exepid process 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exeRegAsm.exedescription pid process target process PID 2884 wrote to memory of 2832 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe RegAsm.exe PID 2884 wrote to memory of 2832 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe RegAsm.exe PID 2884 wrote to memory of 2832 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe RegAsm.exe PID 2884 wrote to memory of 2832 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe RegAsm.exe PID 2884 wrote to memory of 2832 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe RegAsm.exe PID 2884 wrote to memory of 2832 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe RegAsm.exe PID 2884 wrote to memory of 2832 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe RegAsm.exe PID 2884 wrote to memory of 2832 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe RegAsm.exe PID 2884 wrote to memory of 2832 2884 004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe RegAsm.exe PID 2832 wrote to memory of 2084 2832 RegAsm.exe schtasks.exe PID 2832 wrote to memory of 2084 2832 RegAsm.exe schtasks.exe PID 2832 wrote to memory of 2084 2832 RegAsm.exe schtasks.exe PID 2832 wrote to memory of 2084 2832 RegAsm.exe schtasks.exe PID 2832 wrote to memory of 2648 2832 RegAsm.exe schtasks.exe PID 2832 wrote to memory of 2648 2832 RegAsm.exe schtasks.exe PID 2832 wrote to memory of 2648 2832 RegAsm.exe schtasks.exe PID 2832 wrote to memory of 2648 2832 RegAsm.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\004f7dbf5fb799c4f078c3f0832b19b7_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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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⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp120A.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "DHCP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp12A7.tmp"3⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp120A.tmpFilesize
1KB
MD5c6f0625bf4c1cdfb699980c9243d3b22
SHA143de1fe580576935516327f17b5da0c656c72851
SHA2568dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576
SHA5129ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969
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C:\Users\Admin\AppData\Local\Temp\tmp12A7.tmpFilesize
1KB
MD50479d5f304ef2d7e3c15fb24a99f88c1
SHA18edbb1450a656fac5f5e96779ffe440ee8c1aec9
SHA256112557c2b2d0c669a3b115129dc32f005341e965330fa8f2ad3e5de1926594bc
SHA512537e8d87e5cd975f0e69bb145f81d6e9d7b0d82eed143ac351304ea38577137386a51fdb7357ec6d641eb04ff5f51e249bba2db8a4b5bf2934d561394a4a3f15
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memory/2832-3-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2832-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2832-9-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2832-10-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2832-11-0x0000000074130000-0x00000000746DB000-memory.dmpFilesize
5.7MB
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memory/2832-2-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/2832-19-0x00000000008E0000-0x0000000000920000-memory.dmpFilesize
256KB
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memory/2832-20-0x0000000074130000-0x00000000746DB000-memory.dmpFilesize
5.7MB
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memory/2832-21-0x00000000008E0000-0x0000000000920000-memory.dmpFilesize
256KB
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memory/2884-0-0x0000000001050000-0x0000000001083000-memory.dmpFilesize
204KB
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memory/2884-1-0x00000000005F0000-0x00000000005F1000-memory.dmpFilesize
4KB