Analysis
- max time kernel
149s - max time network
151s - platform
windows10_x64 - resource
win10v200722 - submitted
27/08/2020, 05:41
General
- Target Bestellung 2020-032208 .exe
- Size 536KB
- Sample200827-ttcbg5by6a
- SHA256 5fd2a9f7370fb2395eba599c52c1a8297d2e5074dea8122e181a3be762b0fac2
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
69tallboy.ddns.net:2669
-
8fdc780a-cebf-44f9-af0f-208bc0340a1a
-
activate_away_mode
true
- backup_connection_host
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-06-07T08:07:38.152569436Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
2669
-
default_group
69tallboy.ddns.net
-
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
8fdc780a-cebf-44f9-af0f-208bc0340a1a
-
mutex_timeout
5000
-
prevent_system_sleep
true
-
primary_connection_host
69tallboy.ddns.net
-
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 whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 16 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Bestellung 2020-032208 .exe"C:\Users\Admin\AppData\Local\Temp\Bestellung 2020-032208 .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\taOJFt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp694F.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Bestellung 2020-032208 .exe"{path}"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Bestellung 2020-032208 .exe"{path}"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Bestellung 2020-032208 .exe"{path}"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Bestellung 2020-032208 .exe"{path}"2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "IMAP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7015.tmp"3⤵
- Creates scheduled task(s)
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3868-26-0x0000000006420000-0x000000000642D000-memory.dmp
memory/3868-29-0x0000000006950000-0x000000000695A000-memory.dmp
memory/3868-32-0x0000000006CD0000-0x0000000006CD1000-memory.dmp
memory/3868-31-0x0000000006AD0000-0x0000000006ADF000-memory.dmp
memory/3868-30-0x0000000006AA0000-0x0000000006AC9000-memory.dmp
memory/3868-11-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3868-25-0x0000000005810000-0x0000000005813000-memory.dmp
memory/3868-14-0x00000000739D0000-0x00000000740BE000-memory.dmp
memory/3868-17-0x0000000005820000-0x0000000005821000-memory.dmp
memory/3868-20-0x0000000005460000-0x0000000005461000-memory.dmp
memory/3868-28-0x0000000006940000-0x000000000694F000-memory.dmp
memory/3868-27-0x0000000006430000-0x0000000006445000-memory.dmp
memory/3868-23-0x00000000054E0000-0x00000000054E5000-memory.dmp
memory/3868-24-0x0000000005720000-0x0000000005739000-memory.dmp
memory/3984-3-0x00000000025D0000-0x00000000025D7000-memory.dmp
memory/3984-0-0x00000000739D0000-0x00000000740BE000-memory.dmp
memory/3984-1-0x00000000002D0000-0x00000000002D1000-memory.dmp
memory/3984-7-0x0000000007C30000-0x0000000007C7E000-memory.dmp
memory/3984-4-0x0000000004C80000-0x0000000004C81000-memory.dmp
memory/3984-5-0x0000000005320000-0x0000000005321000-memory.dmp
memory/3984-6-0x0000000005630000-0x000000000569D000-memory.dmp
memory/3984-8-0x000000000B4C0000-0x000000000B4C1000-memory.dmp