Analysis
- max time kernel
143s - max time network
149s - platform
windows10_x64 - resource
win10v20201028 - submitted
05/11/2020, 10:15
General
- Target Doc_AWB#5305323204643_UPS.pdf.exe
- Size 922KB
- Sample201105-bhpnn6e24s
- SHA256 74c4b80dac4f93d030f93df8f89b5c5321330a5b28243bd2020eb64f0b3bed62
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
185.140.53.207:2121
-
annapro.linkpc.net.:2121
-
34118051-8385-43c4-bed1-aa9e16db604f
-
activate_away_mode
true
-
backup_connection_host
annapro.linkpc.net.
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-08-14T02:17:37.803675836Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
true
-
connect_delay
4000
-
connection_port
2121
-
default_group
hip
-
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
34118051-8385-43c4-bed1-aa9e16db604f
-
mutex_timeout
5000
-
prevent_system_sleep
true
-
primary_connection_host
185.140.53.207
-
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 8 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Doc_AWB#5305323204643_UPS.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Doc_AWB#5305323204643_UPS.pdf.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\mcTcCjUWwnsouF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD670.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⤵
-
-
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/3856-23-0x0000000005180000-0x0000000005183000-memory.dmp
memory/3856-22-0x00000000050D0000-0x00000000050E9000-memory.dmp
memory/3856-21-0x0000000004F10000-0x0000000004F15000-memory.dmp
memory/3856-14-0x0000000073300000-0x00000000739EE000-memory.dmp
memory/3856-12-0x0000000000400000-0x0000000000438000-memory.dmp
memory/3932-5-0x00000000030C0000-0x00000000030C1000-memory.dmp
memory/3932-9-0x0000000008420000-0x0000000008421000-memory.dmp
memory/3932-8-0x0000000007D80000-0x0000000007E34000-memory.dmp
memory/3932-7-0x0000000005850000-0x0000000005866000-memory.dmp
memory/3932-6-0x0000000007E50000-0x0000000007E51000-memory.dmp
memory/3932-0-0x0000000073300000-0x00000000739EE000-memory.dmp
memory/3932-4-0x0000000005640000-0x0000000005641000-memory.dmp
memory/3932-3-0x0000000005C90000-0x0000000005C91000-memory.dmp
memory/3932-1-0x0000000000C00000-0x0000000000C01000-memory.dmp