Analysis
-
max time kernel
117s -
max time network
157s -
platform
windows7_x64 -
resource
win7 -
submitted
10-07-2020 09:29
Static task
static1
Behavioral task
behavioral1
Sample
PURCHASE ORDER_PDF____________________________________,,,.exe
Resource
win7
Behavioral task
behavioral2
Sample
PURCHASE ORDER_PDF____________________________________,,,.exe
Resource
win10
General
-
Target
PURCHASE ORDER_PDF____________________________________,,,.exe
-
Size
422KB
-
MD5
4f06e6718d72fa923363b59a6268e008
-
SHA1
f8c9c70f255c8e7813f1923a55f01c7ff4276d7e
-
SHA256
6cef6b24f9c34ef5503ed6ba52ded7847882e7599bd39954ff9d3409042eeb74
-
SHA512
92f78a861c6c66e8ddfee75a475226ed09e6200b78353725759c560f846e670b3b926db8bc873df0adc2ea2a5ad03937c640081295c8cd1d9a03b7c4300972bc
Malware Config
Extracted
nanocore
1.2.2.0
ugorji.ddns.net:30945
ba2abc2f-5e90-4aeb-9b1a-61434cc52e82
-
activate_away_mode
true
- backup_connection_host
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-04-13T01:35:16.715365936Z
-
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
30945
-
default_group
u new file
-
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
ba2abc2f-5e90-4aeb-9b1a-61434cc52e82
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
ugorji.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
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 1348 schtasks.exe 1864 schtasks.exe 1092 schtasks.exe -
Suspicious use of WriteProcessMemory 41 IoCs
Processes:
PURCHASE ORDER_PDF____________________________________,,,.exePURCHASE ORDER_PDF____________________________________,,,.exedescription pid process target process PID 900 wrote to memory of 1092 900 PURCHASE ORDER_PDF____________________________________,,,.exe schtasks.exe PID 900 wrote to memory of 1092 900 PURCHASE ORDER_PDF____________________________________,,,.exe schtasks.exe PID 900 wrote to memory of 1092 900 PURCHASE ORDER_PDF____________________________________,,,.exe schtasks.exe PID 900 wrote to memory of 1092 900 PURCHASE ORDER_PDF____________________________________,,,.exe schtasks.exe PID 900 wrote to memory of 1660 900 PURCHASE ORDER_PDF____________________________________,,,.exe PURCHASE ORDER_PDF____________________________________,,,.exe PID 900 wrote to memory of 1660 900 PURCHASE ORDER_PDF____________________________________,,,.exe PURCHASE ORDER_PDF____________________________________,,,.exe PID 900 wrote to memory of 1660 900 PURCHASE ORDER_PDF____________________________________,,,.exe PURCHASE ORDER_PDF____________________________________,,,.exe PID 900 wrote to memory of 1660 900 PURCHASE ORDER_PDF____________________________________,,,.exe PURCHASE ORDER_PDF____________________________________,,,.exe PID 900 wrote to memory of 1660 900 PURCHASE ORDER_PDF____________________________________,,,.exe PURCHASE ORDER_PDF____________________________________,,,.exe PID 900 wrote to memory of 1660 900 PURCHASE ORDER_PDF____________________________________,,,.exe PURCHASE ORDER_PDF____________________________________,,,.exe PID 900 wrote to memory of 1660 900 PURCHASE ORDER_PDF____________________________________,,,.exe PURCHASE ORDER_PDF____________________________________,,,.exe PID 900 wrote to memory of 1660 900 PURCHASE ORDER_PDF____________________________________,,,.exe PURCHASE ORDER_PDF____________________________________,,,.exe PID 900 wrote to memory of 1660 900 PURCHASE ORDER_PDF____________________________________,,,.exe PURCHASE ORDER_PDF____________________________________,,,.exe PID 1660 wrote to memory of 1348 1660 PURCHASE ORDER_PDF____________________________________,,,.exe schtasks.exe PID 1660 wrote to memory of 1348 1660 PURCHASE ORDER_PDF____________________________________,,,.exe schtasks.exe PID 1660 wrote to memory of 1348 1660 PURCHASE ORDER_PDF____________________________________,,,.exe schtasks.exe PID 1660 wrote to memory of 1348 1660 PURCHASE ORDER_PDF____________________________________,,,.exe schtasks.exe PID 1660 wrote to memory of 1864 1660 PURCHASE ORDER_PDF____________________________________,,,.exe schtasks.exe PID 1660 wrote to memory of 1864 1660 PURCHASE ORDER_PDF____________________________________,,,.exe schtasks.exe PID 1660 wrote to memory of 1864 1660 PURCHASE ORDER_PDF____________________________________,,,.exe schtasks.exe PID 1660 wrote to memory of 1864 1660 PURCHASE ORDER_PDF____________________________________,,,.exe schtasks.exe PID 1660 wrote to memory of 1972 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1972 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1972 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1972 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1972 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1972 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1972 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1972 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1972 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1972 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1028 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1028 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1028 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1028 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1028 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1028 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1028 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1028 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1028 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 wrote to memory of 1028 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
PURCHASE ORDER_PDF____________________________________,,,.exePURCHASE ORDER_PDF____________________________________,,,.exedescription pid process target process PID 900 set thread context of 1660 900 PURCHASE ORDER_PDF____________________________________,,,.exe PURCHASE ORDER_PDF____________________________________,,,.exe PID 1660 set thread context of 1972 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe PID 1660 set thread context of 1028 1660 PURCHASE ORDER_PDF____________________________________,,,.exe vbc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
PURCHASE ORDER_PDF____________________________________,,,.exedescription pid process Token: SeDebugPrivilege 1660 PURCHASE ORDER_PDF____________________________________,,,.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
PURCHASE ORDER_PDF____________________________________,,,.exepid process 1660 PURCHASE ORDER_PDF____________________________________,,,.exe -
Drops file in Program Files directory 2 IoCs
Processes:
PURCHASE ORDER_PDF____________________________________,,,.exedescription ioc process File created C:\Program Files (x86)\WAN Subsystem\wanss.exe PURCHASE ORDER_PDF____________________________________,,,.exe File opened for modification C:\Program Files (x86)\WAN Subsystem\wanss.exe PURCHASE ORDER_PDF____________________________________,,,.exe -
Adds Run entry to start application 2 TTPs 1 IoCs
Processes:
PURCHASE ORDER_PDF____________________________________,,,.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WAN Subsystem = "C:\\Program Files (x86)\\WAN Subsystem\\wanss.exe" PURCHASE ORDER_PDF____________________________________,,,.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
PURCHASE ORDER_PDF____________________________________,,,.exepid process 1660 PURCHASE ORDER_PDF____________________________________,,,.exe 1660 PURCHASE ORDER_PDF____________________________________,,,.exe 1660 PURCHASE ORDER_PDF____________________________________,,,.exe 1660 PURCHASE ORDER_PDF____________________________________,,,.exe 1660 PURCHASE ORDER_PDF____________________________________,,,.exe -
Uses the VBS compiler for execution 1 TTPs
-
Processes:
PURCHASE ORDER_PDF____________________________________,,,.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA PURCHASE ORDER_PDF____________________________________,,,.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER_PDF____________________________________,,,.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER_PDF____________________________________,,,.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:900 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LnJAltu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp980A.tmp"2⤵
- Creates scheduled task(s)
PID:1092 -
C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER_PDF____________________________________,,,.exe"{path}"2⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: GetForegroundWindowSpam
- Drops file in Program Files directory
- Adds Run entry to start application
- Suspicious behavior: EnumeratesProcesses
- Checks whether UAC is enabled
PID:1660 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WAN Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9CCB.tmp"3⤵
- Creates scheduled task(s)
PID:1348 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WAN Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9D58.tmp"3⤵
- Creates scheduled task(s)
PID:1864 -
\??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe"c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\saphydxi.ok0"3⤵PID:1972
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\??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe"c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\zk03kjti.ug4"3⤵PID:1028