Analysis
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max time kernel
147s -
max time network
134s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
26-06-2024 22:13
Static task
static1
Behavioral task
behavioral1
Sample
13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe
Resource
win7-20240611-en
General
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Target
13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe
-
Size
1.5MB
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MD5
13a733e32aa3f317fd087999257a5d2e
-
SHA1
ad1216b185267398100c6b882dc8067371b7436b
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SHA256
07d377ce32bbdbb123c2808d3abeca3d0135cf120429821cf0ae0696d412bd39
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SHA512
66a0e32c1cf30d6b5406a2bf6f3ea395069550b8724309566b3fa73a4224ca96d4a8371f8d00cd0a34153bb5eb75c6394045df1085edee7fd596d9099ed304d8
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SSDEEP
24576:cCdxte/80jYLT3U1jfsWaZ9XRqn0m/Z3Y37VLf20Q:dw80cTsjkWaZN7pw
Malware Config
Extracted
nanocore
1.2.2.0
194.5.98.32:1990
127.0.0.1:1990
0252b6c2-b974-4f8a-bacc-db6b0b4441c9
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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
2018-09-10T04:25:53.807624236Z
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bypass_user_account_control
true
- bypass_user_account_control_data
-
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
1990
-
default_group
November
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enable_debug_mode
true
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
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keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
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mutex
0252b6c2-b974-4f8a-bacc-db6b0b4441c9
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
194.5.98.32
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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
-
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:
13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Firefoxx.url 13a733e32aa3f317fd087999257a5d2e_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:
13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exedescription pid process target process PID 1936 set thread context of 3052 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exeRegAsm.exepid process 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe 3052 RegAsm.exe 3052 RegAsm.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegAsm.exepid process 3052 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 3052 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exepid process 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exepid process 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exedescription pid process target process PID 1936 wrote to memory of 3052 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe RegAsm.exe PID 1936 wrote to memory of 3052 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe RegAsm.exe PID 1936 wrote to memory of 3052 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe RegAsm.exe PID 1936 wrote to memory of 3052 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe RegAsm.exe PID 1936 wrote to memory of 3052 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe RegAsm.exe PID 1936 wrote to memory of 3052 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe RegAsm.exe PID 1936 wrote to memory of 3052 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe RegAsm.exe PID 1936 wrote to memory of 3052 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe RegAsm.exe PID 1936 wrote to memory of 3052 1936 13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\13a733e32aa3f317fd087999257a5d2e_JaffaCakes118.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1936 -
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
PID:3052
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1936-10-0x00000000002C0000-0x00000000002C1000-memory.dmpFilesize
4KB
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memory/3052-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/3052-2-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/3052-9-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/3052-8-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/3052-0-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
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memory/3052-11-0x0000000074062000-0x0000000074064000-memory.dmpFilesize
8KB
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memory/3052-17-0x0000000074062000-0x0000000074064000-memory.dmpFilesize
8KB