Analysis
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max time kernel
75s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
13/11/2022, 00:23
Static task
static1
Behavioral task
behavioral1
Sample
Payment advice.exe
Resource
win7-20220812-en
General
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Target
Payment advice.exe
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Size
365KB
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MD5
8f611e4d2ddc8f4d2c035492a85c42ff
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SHA1
e9fac31b5585503a8866899f493e3980a9e7cb3c
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SHA256
982d20cce7e6458f1b964b36efef0c7245bd155962c04b08e02323c9efc60f3b
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SHA512
743b7a2d06121e837710c5656dd5b00531b16210ee1777923720cfbda72a4e648f752fb6a41ff5782aebee27ad307113f66f6826f5e0e5b96cd7f002a2db29e0
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SSDEEP
6144:zsQPugqOYPVaWsQFRoi1rzHsdMKQ6VaxEvEayYCVdKrLKTI0ppU:z3kAWsQnoiFzHNIVqEM+Ci/QI0ppU
Malware Config
Extracted
nanocore
1.2.2.0
brewsterchristophe.ddns.net:5899
194,147,5,75:5899
b8aebc29-8c64-444f-99e6-dc4122e9bbfc
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activate_away_mode
true
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backup_connection_host
194,147,5,75
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2022-04-29T03:26:40.572298236Z
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bypass_user_account_control
false
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bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
false
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connect_delay
4000
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connection_port
5899
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default_group
Default
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enable_debug_mode
true
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
b8aebc29-8c64-444f-99e6-dc4122e9bbfc
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
brewsterchristophe.ddns.net
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primary_dns_server
8.8.8.8
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request_elevation
true
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restart_delay
5000
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run_delay
0
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run_on_startup
false
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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wan_timeout
8000
Signatures
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Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Systeddgsm.exe Powershell.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Systeddgsm.exe Powershell.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Service = "C:\\Program Files (x86)\\SCSI Service\\scsisvc.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1096 set thread context of 2032 1096 Payment advice.exe 29 -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\SCSI Service\scsisvc.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\SCSI Service\scsisvc.exe RegSvcs.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 620 schtasks.exe 1692 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2036 Powershell.exe 2032 RegSvcs.exe 2032 RegSvcs.exe 2032 RegSvcs.exe 2032 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2032 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1096 Payment advice.exe Token: SeDebugPrivilege 2036 Powershell.exe Token: SeDebugPrivilege 2032 RegSvcs.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1096 wrote to memory of 2036 1096 Payment advice.exe 27 PID 1096 wrote to memory of 2036 1096 Payment advice.exe 27 PID 1096 wrote to memory of 2036 1096 Payment advice.exe 27 PID 1096 wrote to memory of 2036 1096 Payment advice.exe 27 PID 1096 wrote to memory of 2032 1096 Payment advice.exe 29 PID 1096 wrote to memory of 2032 1096 Payment advice.exe 29 PID 1096 wrote to memory of 2032 1096 Payment advice.exe 29 PID 1096 wrote to memory of 2032 1096 Payment advice.exe 29 PID 1096 wrote to memory of 2032 1096 Payment advice.exe 29 PID 1096 wrote to memory of 2032 1096 Payment advice.exe 29 PID 1096 wrote to memory of 2032 1096 Payment advice.exe 29 PID 1096 wrote to memory of 2032 1096 Payment advice.exe 29 PID 1096 wrote to memory of 2032 1096 Payment advice.exe 29 PID 1096 wrote to memory of 2032 1096 Payment advice.exe 29 PID 1096 wrote to memory of 2032 1096 Payment advice.exe 29 PID 1096 wrote to memory of 2032 1096 Payment advice.exe 29 PID 2032 wrote to memory of 1692 2032 RegSvcs.exe 30 PID 2032 wrote to memory of 1692 2032 RegSvcs.exe 30 PID 2032 wrote to memory of 1692 2032 RegSvcs.exe 30 PID 2032 wrote to memory of 1692 2032 RegSvcs.exe 30 PID 2032 wrote to memory of 620 2032 RegSvcs.exe 32 PID 2032 wrote to memory of 620 2032 RegSvcs.exe 32 PID 2032 wrote to memory of 620 2032 RegSvcs.exe 32 PID 2032 wrote to memory of 620 2032 RegSvcs.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\Payment advice.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Systeddgsm.exe'2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2036
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SCSI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp897B.tmp"3⤵
- Creates scheduled task(s)
PID:1692
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SCSI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8B12.tmp"3⤵
- Creates scheduled task(s)
PID:620
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD58cad1b41587ced0f1e74396794f31d58
SHA111054bf74fcf5e8e412768035e4dae43aa7b710f
SHA2563086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c
SHA51299c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef
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Filesize
1KB
MD54e71faa3a77029484cfaba423d96618f
SHA19c837d050bb43d69dc608af809c292e13bca4718
SHA256c470f45efd2e7c4c5b88534a18965a78dce0f8e154d3e45a9d5569ad0e334bdb
SHA5126d014de41352f2b0b494d94cd58188791e81d4e53578d0722110b6827793b735e19c614877f25c61b26233dea1b5f1998ba1240bdc8fa04c87b7e64a4ca15fe0