Analysis
- max time kernel
4294180s - max time network
156s - platform
windows7_x64 - resource
win7-20220310-en - submitted
21/03/2022, 09:17
Static task
static1
Behavioral task
behavioral1
Sample
payment-00789.exe
Resource
win7-20220310-en
0 signatures
0 seconds
General
- Target payment-00789.exe
- Size 1.0MB
- Sample220321-k848esbbbr
- SHA256 b771e6a9cb56600b3cb46440bd7af362598c9904350163754898505d35cff4ad
- MD5 f6d31e5f8ffde788e0532fabbc88989d
- SHA1 aa3b9657270582ddbc44837b0d0dc6de7e67a142
- SHA512 2f03b941d792abd40bb0c71a914c3113552e3664350953b5d3a12abaf4b0bd5af740e2d77177e7404262f977f75a0ab489911f9cfc5d9879f0ef3654905c5765
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
nanocore
Version
-
1.2.2.0
C2
-
papakamzy.ddns.net:7600
-
37.0.11.164:7600
Mutex
-
ac6a884e-62fc-40ea-8806-2477faf478a1
Attributes
-
activate_away_mode
true
-
backup_connection_host
37.0.11.164
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2021-12-26T23:16:16.178333136Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
7600
-
default_group
37.0.11.164
-
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
ac6a884e-62fc-40ea-8806-2477faf478a1
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
papakamzy.ddns.net
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
- suricata: ET MALWARE Possible NanoCore C2 60B
suricata: ET MALWARE Possible NanoCore C2 60B
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DPI Subsystem = "C:\\Program Files (x86)\\DPI Subsystem\\dpiss.exe" payment-00789.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA payment-00789.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1268 set thread context of 1932 1268 payment-00789.exe 29 - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\DPI Subsystem\dpiss.exe payment-00789.exe File opened for modification C:\Program Files (x86)\DPI Subsystem\dpiss.exe payment-00789.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1932 payment-00789.exe 1932 payment-00789.exe 1932 payment-00789.exe 1932 payment-00789.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1932 payment-00789.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1932 payment-00789.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1268 wrote to memory of 1932 1268 payment-00789.exe 29 PID 1268 wrote to memory of 1932 1268 payment-00789.exe 29 PID 1268 wrote to memory of 1932 1268 payment-00789.exe 29 PID 1268 wrote to memory of 1932 1268 payment-00789.exe 29 PID 1268 wrote to memory of 1932 1268 payment-00789.exe 29 PID 1268 wrote to memory of 1932 1268 payment-00789.exe 29 PID 1268 wrote to memory of 1932 1268 payment-00789.exe 29 PID 1268 wrote to memory of 1932 1268 payment-00789.exe 29 PID 1268 wrote to memory of 1932 1268 payment-00789.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\payment-00789.exe"C:\Users\Admin\AppData\Local\Temp\payment-00789.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1268 -
C:\Users\Admin\AppData\Local\Temp\payment-00789.exe"C:\Users\Admin\AppData\Local\Temp\payment-00789.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1932
-