Analysis
- max time kernel
147s - max time network
132s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
06/05/2024, 06:12
General
- Target 1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe
- Size 907KB
- Sample240506-gyapaaef25
- SHA256 0220a3ae6cbda6cdc544fc2d115029d570f3ae05b4ec7d8253908bb66ae9c845
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
finlandmc.com:54984
-
127.0.0.1:54984
-
b7c5d67b-f577-4d35-adc7-6994a8049b53
-
activate_away_mode
true
-
backup_connection_host
127.0.0.1
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-07-14T18:20:34.159605436Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
54984
-
default_group
Default
-
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
b7c5d67b-f577-4d35-adc7-6994a8049b53
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
finlandmc.com
-
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.
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1b21cc86b8c6265e0a01bb8886de3f96_JaffaCakes118.exe"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/716-0-0x0000000002380000-0x0000000002381000-memory.dmp
memory/716-1-0x0000000002540000-0x0000000002552000-memory.dmp
memory/716-3-0x0000000002560000-0x0000000002561000-memory.dmp
memory/716-2-0x0000000002540000-0x0000000002552000-memory.dmp
memory/716-8-0x0000000000400000-0x00000000004E9000-memory.dmp
memory/1372-12-0x0000000000400000-0x0000000000483000-memory.dmp
memory/1372-11-0x0000000000990000-0x00000000009CA000-memory.dmp
memory/1372-6-0x0000000000400000-0x0000000000483000-memory.dmp
memory/1372-9-0x0000000000400000-0x0000000000483000-memory.dmp
memory/1372-10-0x0000000000990000-0x00000000009CA000-memory.dmp
memory/1372-4-0x0000000000400000-0x0000000000483000-memory.dmp
memory/1372-7-0x0000000000400000-0x0000000000483000-memory.dmp
memory/1372-23-0x0000000000400000-0x0000000000483000-memory.dmp