Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
28/09/2024, 09:45
General
- Target fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe
- Size 453KB
- Sample240928-lrdjta1fph
- SHA256 2db7cd1f54eb77ad7f41ab2acaf6db56b08c4a257c293c1a59ff6ba1a880dc67
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
185.244.30.99:2346
-
dish123newpro.publicvm.com:2346
-
e8beec1b-867e-4791-bc74-957fe35d1cc7
-
activate_away_mode
true
-
backup_connection_host
dish123newpro.publicvm.com
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2018-11-11T22:49:50.303838236Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
2346
-
default_group
NAPORT2346
-
enable_debug_mode
true
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
e8beec1b-867e-4791-bc74-957fe35d1cc7
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
185.244.30.99
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
true
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
- NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fc073d184823f14d6b8e2ac32687c388_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fc073d184823f14d6b8e2ac32687c388_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
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lyhQbCjQnAUX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D43.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
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
- 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
tmp3D43.tmp
memory/3428-15-0x0000000075350000-0x0000000075901000-memory.dmp
memory/3428-13-0x0000000075350000-0x0000000075901000-memory.dmp
memory/3428-12-0x0000000075350000-0x0000000075901000-memory.dmp
memory/3428-10-0x0000000075350000-0x0000000075901000-memory.dmp
memory/3428-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4628-3-0x0000000075350000-0x0000000075901000-memory.dmp
memory/4628-5-0x0000000075350000-0x0000000075901000-memory.dmp
memory/4628-4-0x0000000075352000-0x0000000075353000-memory.dmp
memory/4628-11-0x0000000075350000-0x0000000075901000-memory.dmp
memory/4628-0-0x0000000075352000-0x0000000075353000-memory.dmp
memory/4628-2-0x0000000075350000-0x0000000075901000-memory.dmp
memory/4628-1-0x0000000075350000-0x0000000075901000-memory.dmp