Analysis
-
max time kernel
65s -
max time network
152s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
26-11-2020 06:40
Static task
static1
Behavioral task
behavioral1
Sample
Receipt#502.exe
Resource
win7v20201028
General
-
Target
Receipt#502.exe
-
Size
680KB
-
MD5
e2e26573196fd444c8845d29e73a6b00
-
SHA1
8a2fc9e82c11d234e74846451b12c73d69dea955
-
SHA256
40fe69be55041a8607bf2596d0fa649ab26f6d6bd6973fb955f14f4e8a066b6c
-
SHA512
02906faffe3bb49e0a936f5d07215ffe8b7cc28b2f65536e17b1b6204aa7966998b4a70bb09bf5a1fdfaa6efef6f729fbeabb1a2e3c540cd1965f73edabc8b78
Malware Config
Extracted
nanocore
1.2.2.0
without.duckdns.org:2078
17fd7e7e-3990-4c53-9987-94767303fd64
-
activate_away_mode
true
-
backup_connection_host
without.duckdns.org
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-09-03T20:18:47.158112236Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
2078
-
default_group
without
-
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
17fd7e7e-3990-4c53-9987-94767303fd64
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
without.duckdns.org
-
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
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
Receipt#502.exedescription pid process target process PID 1944 set thread context of 1892 1944 Receipt#502.exe RegSvcs.exe -
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 9 IoCs
Processes:
Receipt#502.exeRegSvcs.exepid process 1944 Receipt#502.exe 1944 Receipt#502.exe 1944 Receipt#502.exe 1892 RegSvcs.exe 1892 RegSvcs.exe 1892 RegSvcs.exe 1892 RegSvcs.exe 1892 RegSvcs.exe 1892 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 1892 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Receipt#502.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1944 Receipt#502.exe Token: SeDebugPrivilege 1892 RegSvcs.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
Receipt#502.exedescription pid process target process PID 1944 wrote to memory of 636 1944 Receipt#502.exe schtasks.exe PID 1944 wrote to memory of 636 1944 Receipt#502.exe schtasks.exe PID 1944 wrote to memory of 636 1944 Receipt#502.exe schtasks.exe PID 1944 wrote to memory of 636 1944 Receipt#502.exe schtasks.exe PID 1944 wrote to memory of 1820 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1820 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1820 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1820 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1820 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1820 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1820 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1892 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1892 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1892 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1892 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1892 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1892 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1892 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1892 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1892 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1892 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1892 1944 Receipt#502.exe RegSvcs.exe PID 1944 wrote to memory of 1892 1944 Receipt#502.exe RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Receipt#502.exe"C:\Users\Admin\AppData\Local\Temp\Receipt#502.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\NeKPJNb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE9F1.tmp"2⤵
- Creates scheduled task(s)
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"{path}"2⤵
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\tmpE9F1.tmpMD5
3193b25d4eee99da9fb0677d322564eb
SHA1960cddf8027fed5f02ab231331e13a311ae039ec
SHA2561b5a233540d131c0120a3646c898983bd8b02d3fb457d32528c5f6afb2fd85a5
SHA512ba0f3f89bef0a6ec4d080cb6a8019856a666fa4ae6bae5e17635751bdd415f36abffc67347dd70a10f18cd1b599612c65d0b0522b17f98f28fa1db5fbe9af68c
-
memory/636-0-0x0000000000000000-mapping.dmp
-
memory/1892-3-0x000000000041E792-mapping.dmp
-
memory/1892-2-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/1892-5-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/1892-4-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB