Analysis
- max time kernel
140s - max time network
145s - platform
windows10_x64 - resource
win10v200722 - submitted
15/10/2020, 12:15
Static task
static1
Behavioral task
behavioral1
Sample
2020101408898,pdf.exe
Resource
win7
General
- Target 2020101408898,pdf.exe
- Size 530KB
- Sample201015-81xtlglz2e
- SHA256 1c42bd094eeb6df10d17cb2fc16a7e167e38ee01d273f7c31ddf4775e015d59c
- MD5 d631fc784a817b038050901c9210535e
- SHA1 0592a92b11ebdbb0b24f093d69be88baf394aac4
- SHA512 f1cc015b4bdfdbfcc9eae528c83bc87bb185799289fe669287e8a81aadc077cf320659980ca902b6b6d4d554bad8e51c0cce3fad78997f6474b9bc34b5a7b699
- MD5 SHA1 SHA512
Malware Config
Extracted
-
nanocore
-
1.2.2.0
-
billionaire.ddns.net:3734
-
20d8de57-81d3-46f5-82d3-182b167de96f
-
activate_away_mode
true
- backup_connection_host
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-07-06T08:15:40.303502536Z
-
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
3734
-
default_group
GRACE
-
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
20d8de57-81d3-46f5-82d3-182b167de96f
-
mutex_timeout
5000
-
prevent_system_sleep
true
-
primary_connection_host
billionaire.ddns.net
-
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
description pid Process procid_target PID 3908 set thread context of 1000 3908 2020101408898,pdf.exe 77 - Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3384 schtasks.exe 1744 schtasks.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1000 MSBuild.exe 1000 MSBuild.exe 1000 MSBuild.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1000 MSBuild.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1000 MSBuild.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3908 wrote to memory of 1744 3908 2020101408898,pdf.exe 75 PID 3908 wrote to memory of 1744 3908 2020101408898,pdf.exe 75 PID 3908 wrote to memory of 1744 3908 2020101408898,pdf.exe 75 PID 3908 wrote to memory of 1000 3908 2020101408898,pdf.exe 77 PID 3908 wrote to memory of 1000 3908 2020101408898,pdf.exe 77 PID 3908 wrote to memory of 1000 3908 2020101408898,pdf.exe 77 PID 3908 wrote to memory of 1000 3908 2020101408898,pdf.exe 77 PID 3908 wrote to memory of 1000 3908 2020101408898,pdf.exe 77 PID 3908 wrote to memory of 1000 3908 2020101408898,pdf.exe 77 PID 3908 wrote to memory of 1000 3908 2020101408898,pdf.exe 77 PID 3908 wrote to memory of 1000 3908 2020101408898,pdf.exe 77 PID 1000 wrote to memory of 3384 1000 MSBuild.exe 78 PID 1000 wrote to memory of 3384 1000 MSBuild.exe 78 PID 1000 wrote to memory of 3384 1000 MSBuild.exe 78
Processes
-
C:\Users\Admin\AppData\Local\Temp\2020101408898,pdf.exe"C:\Users\Admin\AppData\Local\Temp\2020101408898,pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3908 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qnkDCdcEdG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD5A0.tmp"2⤵
- Creates scheduled task(s)
PID:1744
-
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "IMAP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpD9F6.tmp"3⤵
- Creates scheduled task(s)
PID:3384
-
-