Analysis
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max time kernel
137s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
15-08-2024 04:37
Static task
static1
Behavioral task
behavioral1
Sample
98edee6a736fd329af602c895531f560_JaffaCakes118.exe
Resource
win7-20240708-en
General
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Target
98edee6a736fd329af602c895531f560_JaffaCakes118.exe
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Size
636KB
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MD5
98edee6a736fd329af602c895531f560
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SHA1
5fece25803bdcb0f283fe479c70fdcd06042421c
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SHA256
bf1f247b36adba6085a563ea0d78d2a96cb4c523cbcbe2842a19dd214a0e655a
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SHA512
f52986e5916f1f3bd1efb8d7f0f7aa79da8818adbacc8f48e1eb41c3571f5ec1e8289ff7f2c42f8e45a49eaef58bd2a68d3e27a9f6fc930f432ab7067795ecc3
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SSDEEP
12288:BUSME+vHKKB9YP2BFc+2zgjSrN5bkab6zp8cDYd5AynZNE7y9toRSuFcUrlqk:5cfKLv+2zgkiVCqCvZNdoEuFcUQk
Malware Config
Extracted
nanocore
1.2.2.0
amechi.duckdns.org:4190
3b3fb7d2-e471-4b8f-930b-90a0b4d21b99
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activate_away_mode
true
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backup_connection_host
amechi.duckdns.org
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2020-11-30T09:04:45.886194136Z
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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
4190
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default_group
PRINCE SA HANDWORK
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enable_debug_mode
true
-
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
-
max_packet_size
1.048576e+07
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mutex
3b3fb7d2-e471-4b8f-930b-90a0b4d21b99
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
amechi.duckdns.org
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primary_dns_server
8.8.8.8
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request_elevation
true
-
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
98edee6a736fd329af602c895531f560_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation 98edee6a736fd329af602c895531f560_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
98edee6a736fd329af602c895531f560_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Subsystem = "C:\\Program Files (x86)\\WPA Subsystem\\wpass.exe" 98edee6a736fd329af602c895531f560_JaffaCakes118.exe -
Processes:
98edee6a736fd329af602c895531f560_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 98edee6a736fd329af602c895531f560_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
98edee6a736fd329af602c895531f560_JaffaCakes118.exedescription pid process target process PID 4564 set thread context of 4716 4564 98edee6a736fd329af602c895531f560_JaffaCakes118.exe 98edee6a736fd329af602c895531f560_JaffaCakes118.exe -
Drops file in Program Files directory 2 IoCs
Processes:
98edee6a736fd329af602c895531f560_JaffaCakes118.exedescription ioc process File created C:\Program Files (x86)\WPA Subsystem\wpass.exe 98edee6a736fd329af602c895531f560_JaffaCakes118.exe File opened for modification C:\Program Files (x86)\WPA Subsystem\wpass.exe 98edee6a736fd329af602c895531f560_JaffaCakes118.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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
98edee6a736fd329af602c895531f560_JaffaCakes118.exeschtasks.exe98edee6a736fd329af602c895531f560_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 98edee6a736fd329af602c895531f560_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 98edee6a736fd329af602c895531f560_JaffaCakes118.exe -
Scheduled Task/Job: Scheduled Task 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 4 IoCs
Processes:
98edee6a736fd329af602c895531f560_JaffaCakes118.exe98edee6a736fd329af602c895531f560_JaffaCakes118.exepid process 4564 98edee6a736fd329af602c895531f560_JaffaCakes118.exe 4716 98edee6a736fd329af602c895531f560_JaffaCakes118.exe 4716 98edee6a736fd329af602c895531f560_JaffaCakes118.exe 4716 98edee6a736fd329af602c895531f560_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
98edee6a736fd329af602c895531f560_JaffaCakes118.exepid process 4716 98edee6a736fd329af602c895531f560_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
98edee6a736fd329af602c895531f560_JaffaCakes118.exe98edee6a736fd329af602c895531f560_JaffaCakes118.exedescription pid process Token: SeDebugPrivilege 4564 98edee6a736fd329af602c895531f560_JaffaCakes118.exe Token: SeDebugPrivilege 4716 98edee6a736fd329af602c895531f560_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
98edee6a736fd329af602c895531f560_JaffaCakes118.exedescription pid process target process PID 4564 wrote to memory of 4648 4564 98edee6a736fd329af602c895531f560_JaffaCakes118.exe schtasks.exe PID 4564 wrote to memory of 4648 4564 98edee6a736fd329af602c895531f560_JaffaCakes118.exe schtasks.exe PID 4564 wrote to memory of 4648 4564 98edee6a736fd329af602c895531f560_JaffaCakes118.exe schtasks.exe PID 4564 wrote to memory of 4716 4564 98edee6a736fd329af602c895531f560_JaffaCakes118.exe 98edee6a736fd329af602c895531f560_JaffaCakes118.exe PID 4564 wrote to memory of 4716 4564 98edee6a736fd329af602c895531f560_JaffaCakes118.exe 98edee6a736fd329af602c895531f560_JaffaCakes118.exe PID 4564 wrote to memory of 4716 4564 98edee6a736fd329af602c895531f560_JaffaCakes118.exe 98edee6a736fd329af602c895531f560_JaffaCakes118.exe PID 4564 wrote to memory of 4716 4564 98edee6a736fd329af602c895531f560_JaffaCakes118.exe 98edee6a736fd329af602c895531f560_JaffaCakes118.exe PID 4564 wrote to memory of 4716 4564 98edee6a736fd329af602c895531f560_JaffaCakes118.exe 98edee6a736fd329af602c895531f560_JaffaCakes118.exe PID 4564 wrote to memory of 4716 4564 98edee6a736fd329af602c895531f560_JaffaCakes118.exe 98edee6a736fd329af602c895531f560_JaffaCakes118.exe PID 4564 wrote to memory of 4716 4564 98edee6a736fd329af602c895531f560_JaffaCakes118.exe 98edee6a736fd329af602c895531f560_JaffaCakes118.exe PID 4564 wrote to memory of 4716 4564 98edee6a736fd329af602c895531f560_JaffaCakes118.exe 98edee6a736fd329af602c895531f560_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\98edee6a736fd329af602c895531f560_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\98edee6a736fd329af602c895531f560_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4564 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AxXDlVIQlS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp32A4.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4648 -
C:\Users\Admin\AppData\Local\Temp\98edee6a736fd329af602c895531f560_JaffaCakes118.exe"{path}"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
PID:4716
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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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\98edee6a736fd329af602c895531f560_JaffaCakes118.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
1KB
MD55bc7cd5d7c185b93a8a8dde01fd825e9
SHA1ae4eb2e04583aaaa53375f3471d0bc70e24c0848
SHA256a60b68d8140635ec85d4b07582a3251b8c79a6b554eefe4cd3c3b476fd73701f
SHA51270a1da39578f69fa9072d368671208730925a9aaaa49ccac422a953bac2de88d5c7ab9aeb9a8a7733d6fd38a8b38ce4a210b51da0bf0450bc9c093eeb7fc77c9