Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
15-10-2024 22:01
General
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Target
4a36eccbb48f54d243b7982530cfa61b_JaffaCakes118.exe
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Size
903KB
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MD5
4a36eccbb48f54d243b7982530cfa61b
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SHA1
fbf72fc16184a18f6a15800daa1e828a514fc392
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SHA256
eb2c54829751a21c9865767bcd7056892a02a66f73bf39c2c07a1eb6e3ea5599
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SHA512
db680deea1b90f6457c840195f33c36ddf851e05e807d5f6e1f8fca26bdd180a56826db80916e9e1146845a78e3026d6d0f1e5ee25304829828847a40fb4a520
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SSDEEP
24576:yJKuPp9AR95yTbUwK/blz88KCw/fLZ1R5:8PpKRyTbUwGlUfF1R
Malware Config
Extracted
nanocore
1.2.2.0
79.134.225.120:1913
d546cc73-3253-46d2-a040-3bee294c3ed7
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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
2021-05-21T18:00:18.544248036Z
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bypass_user_account_control
true
- 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
1913
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default_group
Jojo
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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
d546cc73-3253-46d2-a040-3bee294c3ed7
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
79.134.225.120
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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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NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext 1 IoCs
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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.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\4a36eccbb48f54d243b7982530cfa61b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4a36eccbb48f54d243b7982530cfa61b_JaffaCakes118.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\4a36eccbb48f54d243b7982530cfa61b_JaffaCakes118.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Users\Admin\AppData\Local\Temp\4a36eccbb48f54d243b7982530cfa61b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4a36eccbb48f54d243b7982530cfa61b_JaffaCakes118.exe"2⤵
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
7.7MB
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Filesize
584KB
-
Filesize
5.6MB
-
Filesize
4KB
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Filesize
7.7MB
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Filesize
344KB
-
Filesize
40KB
-
Filesize
88KB
-
Filesize
4KB
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Filesize
7.7MB
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Filesize
928KB
-
Filesize
232KB
-
Filesize
408KB
-
Filesize
624KB
-
Filesize
672KB
-
Filesize
7.7MB
-
Filesize
68KB
-
Filesize
6.2MB
-
Filesize
408KB
-
Filesize
304KB
-
Filesize
7.7MB
-
Filesize
216KB
-
Filesize
3.3MB
-
Filesize
136KB
-
Filesize
120KB
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Filesize
304KB
-
Filesize
120KB
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Filesize
7.7MB
-
Filesize
32KB
-
Filesize
104KB
-
Filesize
80KB
-
Filesize
56KB
-
Filesize
652KB
-
Filesize
6.5MB
-
Filesize
104KB
-
Filesize
40KB
-
Filesize
600KB
-
Filesize
200KB
-
Filesize
40KB
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Filesize
7.7MB
-
Filesize
224KB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
120KB