Analysis
- max time kernel
148s - max time network
152s - platform
windows7_x64 - resource
win7v20201028 - submitted
16/12/2020, 19:43
General
- Target SecuriteInfo.com.BehavesLike.Win32.Generic.jc.9685.exe
- Size 671KB
- Sample201216-3hem4nyp3x
- SHA256 b52d51a3fcc992ee839f94f07d7ac0bcdeccc5c1a3de24b82357a01ee9bf37c1
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
corsi111.myq-see.com:32126
-
127.0.0.1:32126
-
5a922753-3c31-4878-b641-77dc563234e5
-
activate_away_mode
false
-
backup_connection_host
127.0.0.1
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-09-27T13:20:25.832005336Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
false
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
32126
-
default_group
Start Afresh
-
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
5a922753-3c31-4878-b641-77dc563234e5
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
corsi111.myq-see.com
-
primary_dns_server
corsi111.myq-see.com
-
request_elevation
true
-
restart_delay
5000
-
run_delay
50
-
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
- NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 2 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.jc.9685.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.jc.9685.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ChluXjkvFH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF392.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.jc.9685.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.jc.9685.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/788-2-0x0000000074DA0000-0x000000007548E000-memory.dmp
memory/788-3-0x0000000000B10000-0x0000000000B11000-memory.dmp
memory/788-5-0x0000000000350000-0x0000000000362000-memory.dmp
memory/788-6-0x00000000051D0000-0x000000000522E000-memory.dmp
memory/788-7-0x0000000000570000-0x0000000000578000-memory.dmp
memory/788-9-0x0000000000640000-0x0000000000680000-memory.dmp
memory/1608-12-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1608-14-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1608-15-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1608-16-0x00000000746B0000-0x0000000074D9E000-memory.dmp
memory/1608-19-0x0000000000520000-0x0000000000525000-memory.dmp
memory/1608-20-0x0000000000840000-0x0000000000859000-memory.dmp
memory/1608-21-0x0000000000570000-0x0000000000573000-memory.dmp