Analysis
- max time kernel
148s - max time network
146s - platform
windows7_x64 - resource
win7v20201028 - 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 3 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\DHL_file 187652345643476245.exe"C:\Users\Admin\AppData\Local\Temp\DHL_file 187652345643476245.exe"1⤵
- Suspicious use of SetThreadContext
- 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\tmpCEA5.tmp"2⤵
- Creates scheduled task(s)
-
-
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/268-12-0x0000000000400000-0x0000000000438000-memory.dmp
memory/268-9-0x0000000000400000-0x0000000000438000-memory.dmp
memory/268-11-0x0000000000400000-0x0000000000438000-memory.dmp
memory/268-13-0x0000000073500000-0x0000000073BEE000-memory.dmp
memory/268-16-0x00000000003D0000-0x00000000003D5000-memory.dmp
memory/268-17-0x00000000003E0000-0x00000000003F9000-memory.dmp
memory/268-18-0x00000000005A0000-0x00000000005A3000-memory.dmp
memory/2024-5-0x00000000005A0000-0x00000000005A4000-memory.dmp
memory/2024-6-0x0000000004CE0000-0x0000000004D4A000-memory.dmp
memory/2024-3-0x0000000001390000-0x0000000001391000-memory.dmp
memory/2024-2-0x0000000074230000-0x000000007491E000-memory.dmp