Analysis
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max time kernel
53s -
max time network
96s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
06-04-2024 04:47
Static task
static1
Behavioral task
behavioral1
Sample
Satana.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Satana.exe
Resource
win10v2004-20240226-en
General
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Target
Satana.exe
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Size
49KB
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MD5
46bfd4f1d581d7c0121d2b19a005d3df
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SHA1
5b063298bbd1670b4d39e1baef67f854b8dcba9d
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SHA256
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96
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SHA512
b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5
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SSDEEP
768:AbFw10RFnAwJM7MiqwecUaX5h4IuCdYa+XLXTGY1idL2WYiwtDj:Apw10vnAOIUaJh4IXdWXLXTWLfuFj
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!satana!.txt
Signatures
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Satana
Ransomware family which also encrypts the system's Master Boot Record (MBR).
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Deletes itself 1 IoCs
pid Process 2936 ixisw.exe -
Executes dropped EXE 2 IoCs
pid Process 2448 ixisw.exe 2936 ixisw.exe -
Loads dropped DLL 5 IoCs
pid Process 2508 Satana.exe 2508 Satana.exe 2508 Satana.exe 2508 Satana.exe 2448 ixisw.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\dhod = "C:\\Users\\Admin\\AppData\\Local\\Temp\\!satana!.txt" Satana.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 ixisw.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2252 set thread context of 2508 2252 Satana.exe 29 PID 2448 set thread context of 2936 2448 ixisw.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 768 VSSADMIN.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2936 ixisw.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2252 wrote to memory of 2508 2252 Satana.exe 29 PID 2252 wrote to memory of 2508 2252 Satana.exe 29 PID 2252 wrote to memory of 2508 2252 Satana.exe 29 PID 2252 wrote to memory of 2508 2252 Satana.exe 29 PID 2252 wrote to memory of 2508 2252 Satana.exe 29 PID 2252 wrote to memory of 2508 2252 Satana.exe 29 PID 2252 wrote to memory of 2508 2252 Satana.exe 29 PID 2252 wrote to memory of 2508 2252 Satana.exe 29 PID 2252 wrote to memory of 2508 2252 Satana.exe 29 PID 2252 wrote to memory of 2508 2252 Satana.exe 29 PID 2508 wrote to memory of 2448 2508 Satana.exe 30 PID 2508 wrote to memory of 2448 2508 Satana.exe 30 PID 2508 wrote to memory of 2448 2508 Satana.exe 30 PID 2508 wrote to memory of 2448 2508 Satana.exe 30 PID 2448 wrote to memory of 2936 2448 ixisw.exe 31 PID 2448 wrote to memory of 2936 2448 ixisw.exe 31 PID 2448 wrote to memory of 2936 2448 ixisw.exe 31 PID 2448 wrote to memory of 2936 2448 ixisw.exe 31 PID 2448 wrote to memory of 2936 2448 ixisw.exe 31 PID 2448 wrote to memory of 2936 2448 ixisw.exe 31 PID 2448 wrote to memory of 2936 2448 ixisw.exe 31 PID 2448 wrote to memory of 2936 2448 ixisw.exe 31 PID 2448 wrote to memory of 2936 2448 ixisw.exe 31 PID 2448 wrote to memory of 2936 2448 ixisw.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\Satana.exe"C:\Users\Admin\AppData\Local\Temp\Satana.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Users\Admin\AppData\Local\Temp\Satana.exe"C:\Users\Admin\AppData\Local\Temp\Satana.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Users\Admin\AppData\Local\Temp\ixisw.exe"C:\Users\Admin\AppData\Local\Temp\ixisw.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\Satana.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Users\Admin\AppData\Local\Temp\ixisw.exe"C:\Users\Admin\AppData\Local\Temp\ixisw.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\Satana.exe"4⤵
- Deletes itself
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
PID:2936 -
C:\Windows\SysWOW64\VSSADMIN.EXE"C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet5⤵
- Interacts with shadow copies
PID:768
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
1KB
MD54b33a53a3532bb90370d6aae90aab027
SHA1b6ac998ed6bdf588242f5b4bd1f72128ad189129
SHA2560ba9b8fe5532f9fc04cbbfbc6a1730a8b8ad9445c8c73e0b8bb82a41ff968b2a
SHA51201a65fe62646251a98ca53de3e7454985d0afec099c2f9c0bc4b6cc0f0e34b37b6b6158e4347804466c9ecdeb89359eb13278b57613abe2b3553475fabced872
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Filesize
49KB
MD546bfd4f1d581d7c0121d2b19a005d3df
SHA15b063298bbd1670b4d39e1baef67f854b8dcba9d
SHA256683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96
SHA512b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5