Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
-
submitted
28/11/2024, 04:56
General
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Target
ab0f429587409856cbf8b7eeda784818_JaffaCakes118.exe
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Size
569KB
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MD5
ab0f429587409856cbf8b7eeda784818
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SHA1
11361e5f830be948fe2f3115875baf8bd784009b
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SHA256
9b916d451ce81a4fa56209262065797748bcbce9d8819288e46004c6d0f95c6b
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SHA512
83ea74f260d64b143b44fbc067696aebe6e2cd670a4456b30b12282c0cb538428296fa53fd5ad37960d2edc146c95b4f383459f3ef666f4e672fd4dc243a801e
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SSDEEP
12288:2NeZIXMuf2BBHkr4AgKB2E3/XjCPncDMQNvdL3XO2:68vLkrsE3/Xkc3vNnO
Malware Config
Extracted
nanocore
1.2.2.0
0.tcp.ngrok.io:15642
d61fa598-6d05-4c22-9eba-11b25460477f
-
activate_away_mode
true
- backup_connection_host
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2021-05-15T14:08:35.896694436Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
15642
-
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
-
max_packet_size
1.048576e+07
-
mutex
d61fa598-6d05-4c22-9eba-11b25460477f
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
0.tcp.ngrok.io
-
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
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
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NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
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Nanocore family
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Adds Run key to start application 2 TTPs 1 IoCs
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 19 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Drops file in Program Files directory 2 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ab0f429587409856cbf8b7eeda784818_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ab0f429587409856cbf8b7eeda784818_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"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
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
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Filesize
120KB
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Filesize
7.7MB
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Filesize
80KB
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Filesize
184KB
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Filesize
40KB
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Filesize
72KB
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Filesize
80KB
-
Filesize
48KB
-
Filesize
56KB
-
Filesize
624KB
-
Filesize
576KB
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Filesize
7.7MB
-
Filesize
80KB
-
Filesize
56KB
-
Filesize
72KB
-
Filesize
56KB
-
Filesize
104KB
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Filesize
40KB
-
Filesize
592KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
120KB
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Filesize
592KB
-
Filesize
7.7MB
-
Filesize
4KB
-
Filesize
472KB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
584KB
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Filesize
5.6MB