Analysis
-
max time kernel
145s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 11:15
Static task
static1
Behavioral task
behavioral1
Sample
PO-54764456.AZ.r11.exe
Resource
win7-20220414-en
General
-
Target
PO-54764456.AZ.r11.exe
-
Size
364KB
-
MD5
608b0bdce6dcaa24d313cc6fa756e7d3
-
SHA1
c2b41b2cca7fefd3a8ba090b939f9ce301dd6140
-
SHA256
e843cd8a1f16a71c363c7b4f880c51c37b8e40404f4b09f49bf73f18fd357e52
-
SHA512
86cfc84f37e7bb5793ede6912ac749670cd0a11495938509adcb9496ed87af7277a67e5ceea6d38bf56ae74930c28502f827ad0fb53c74e311a58aaaf3b60e21
Malware Config
Extracted
nanocore
1.2.2.0
adikaremix.linkpc.net:1790
185.140.53.13:1790
9493864b-27d9-4410-9dcc-9a0c4732a1d5
-
activate_away_mode
true
-
backup_connection_host
185.140.53.13
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-03-21T11:14:38.887176036Z
-
bypass_user_account_control
true
- bypass_user_account_control_data
-
clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
1790
-
default_group
June@@
-
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
9493864b-27d9-4410-9dcc-9a0c4732a1d5
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
adikaremix.linkpc.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
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
PO-54764456.AZ.r11.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Service = "C:\\Program Files (x86)\\ARP Service\\arpsvc.exe" PO-54764456.AZ.r11.exe -
Processes:
PO-54764456.AZ.r11.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA PO-54764456.AZ.r11.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO-54764456.AZ.r11.exedescription pid process target process PID 1708 set thread context of 2016 1708 PO-54764456.AZ.r11.exe PO-54764456.AZ.r11.exe -
Drops file in Program Files directory 2 IoCs
Processes:
PO-54764456.AZ.r11.exedescription ioc process File created C:\Program Files (x86)\ARP Service\arpsvc.exe PO-54764456.AZ.r11.exe File opened for modification C:\Program Files (x86)\ARP Service\arpsvc.exe PO-54764456.AZ.r11.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
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 2 IoCs
Processes:
PO-54764456.AZ.r11.exepid process 2016 PO-54764456.AZ.r11.exe 2016 PO-54764456.AZ.r11.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
PO-54764456.AZ.r11.exepid process 2016 PO-54764456.AZ.r11.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
PO-54764456.AZ.r11.exedescription pid process Token: SeDebugPrivilege 2016 PO-54764456.AZ.r11.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
PO-54764456.AZ.r11.exedescription pid process target process PID 1708 wrote to memory of 1132 1708 PO-54764456.AZ.r11.exe schtasks.exe PID 1708 wrote to memory of 1132 1708 PO-54764456.AZ.r11.exe schtasks.exe PID 1708 wrote to memory of 1132 1708 PO-54764456.AZ.r11.exe schtasks.exe PID 1708 wrote to memory of 1132 1708 PO-54764456.AZ.r11.exe schtasks.exe PID 1708 wrote to memory of 2016 1708 PO-54764456.AZ.r11.exe PO-54764456.AZ.r11.exe PID 1708 wrote to memory of 2016 1708 PO-54764456.AZ.r11.exe PO-54764456.AZ.r11.exe PID 1708 wrote to memory of 2016 1708 PO-54764456.AZ.r11.exe PO-54764456.AZ.r11.exe PID 1708 wrote to memory of 2016 1708 PO-54764456.AZ.r11.exe PO-54764456.AZ.r11.exe PID 1708 wrote to memory of 2016 1708 PO-54764456.AZ.r11.exe PO-54764456.AZ.r11.exe PID 1708 wrote to memory of 2016 1708 PO-54764456.AZ.r11.exe PO-54764456.AZ.r11.exe PID 1708 wrote to memory of 2016 1708 PO-54764456.AZ.r11.exe PO-54764456.AZ.r11.exe PID 1708 wrote to memory of 2016 1708 PO-54764456.AZ.r11.exe PO-54764456.AZ.r11.exe PID 1708 wrote to memory of 2016 1708 PO-54764456.AZ.r11.exe PO-54764456.AZ.r11.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO-54764456.AZ.r11.exe"C:\Users\Admin\AppData\Local\Temp\PO-54764456.AZ.r11.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aLdebLCgiuUejE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9609.tmp"2⤵
- Creates scheduled task(s)
-
C:\Users\Admin\AppData\Local\Temp\PO-54764456.AZ.r11.exe"{path}"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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\tmp9609.tmpFilesize
1KB
MD5affce7c84e0974e34b546e9904c1775a
SHA18393551e44f3c15dd5bd917fb4a67e1738798c1a
SHA25627951e127a72c3fd194fd5751dab155ca23e1daf84ecb6cd93a169e2e18e28f6
SHA5120fcdf5ef49efebf1bb46ec96076ed493af134335b63772c324fd93a157cd65f75b554f0ce7cb8316df6d4b0878693e82a83ea8b45693833524decfeac56297d0
-
memory/1132-56-0x0000000000000000-mapping.dmp
-
memory/1708-54-0x0000000075A61000-0x0000000075A63000-memory.dmpFilesize
8KB
-
memory/1708-55-0x00000000741E0000-0x000000007478B000-memory.dmpFilesize
5.7MB
-
memory/2016-61-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2016-59-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2016-58-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2016-62-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2016-64-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2016-65-0x000000000041E792-mapping.dmp
-
memory/2016-67-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2016-69-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2016-71-0x0000000074160000-0x000000007470B000-memory.dmpFilesize
5.7MB