Analysis
- max time kernel
146s - max time network
153s - platform
windows10_x64 - resource
win10v20201028 - submitted
30/12/2020, 09:14
General
- Target DHL_file 187652345643476245.exe
- Size 494KB
- Sample201230-5knz2za3dx
- SHA256 a8850a204db73426d64f9cf6b238eea769978ea0ffbfe8d7343aec9b63c2e259
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
185.157.160.233:54984
-
annapro.linkpc.net:54984
-
0180f08c-0610-45ef-b82b-ad3da2122748
-
activate_away_mode
true
-
backup_connection_host
annapro.linkpc.net
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-10-02T06:05:41.370201336Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
true
-
connect_delay
4000
-
connection_port
54984
-
default_group
More Blessings
-
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
0180f08c-0610-45ef-b82b-ad3da2122748
-
mutex_timeout
5000
-
prevent_system_sleep
true
-
primary_connection_host
185.157.160.233
-
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.
- Suspicious use of SetThreadContext 1 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 6 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL_file 187652345643476245.exe"C:\Users\Admin\AppData\Local\Temp\DHL_file 187652345643476245.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XBYAcGboURiob" /XML "C:\Users\Admin\AppData\Local\Temp\tmp24A0.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"{path}"2⤵
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/516-24-0x0000000006370000-0x0000000006373000-memory.dmp
memory/516-23-0x0000000006010000-0x0000000006029000-memory.dmp
memory/516-22-0x00000000055C0000-0x00000000055C5000-memory.dmp
memory/516-15-0x0000000074070000-0x000000007475E000-memory.dmp
memory/516-13-0x0000000000400000-0x0000000000438000-memory.dmp
memory/816-7-0x0000000004C30000-0x0000000004C31000-memory.dmp
memory/816-10-0x0000000008470000-0x00000000084DA000-memory.dmp
memory/816-9-0x0000000008210000-0x0000000008214000-memory.dmp
memory/816-8-0x0000000008240000-0x0000000008241000-memory.dmp
memory/816-2-0x0000000074070000-0x000000007475E000-memory.dmp
memory/816-6-0x0000000004C80000-0x0000000004C81000-memory.dmp
memory/816-5-0x0000000005180000-0x0000000005181000-memory.dmp
memory/816-3-0x0000000000380000-0x0000000000381000-memory.dmp