Analysis
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max time kernel
28s -
max time network
26s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
14-01-2025 21:03
Static task
static1
Behavioral task
behavioral1
Sample
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
unpacked.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
unpacked.exe
Resource
win10v2004-20241007-en
General
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Target
683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.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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Satana family
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Deletes itself 1 IoCs
pid Process 2660 uaidnd.exe -
Executes dropped EXE 2 IoCs
pid Process 2940 uaidnd.exe 2660 uaidnd.exe -
Loads dropped DLL 5 IoCs
pid Process 2672 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 2672 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 2672 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 2672 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 2940 uaidnd.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\dviq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\!satana!.txt" 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.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 uaidnd.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1948 set thread context of 2672 1948 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2940 set thread context of 2660 2940 uaidnd.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language uaidnd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language uaidnd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2780 VSSADMIN.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2660 uaidnd.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1948 wrote to memory of 2672 1948 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 1948 wrote to memory of 2672 1948 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 1948 wrote to memory of 2672 1948 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 1948 wrote to memory of 2672 1948 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 1948 wrote to memory of 2672 1948 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 1948 wrote to memory of 2672 1948 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 1948 wrote to memory of 2672 1948 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 1948 wrote to memory of 2672 1948 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 1948 wrote to memory of 2672 1948 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 1948 wrote to memory of 2672 1948 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 30 PID 2672 wrote to memory of 2940 2672 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 31 PID 2672 wrote to memory of 2940 2672 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 31 PID 2672 wrote to memory of 2940 2672 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 31 PID 2672 wrote to memory of 2940 2672 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe 31 PID 2940 wrote to memory of 2660 2940 uaidnd.exe 32 PID 2940 wrote to memory of 2660 2940 uaidnd.exe 32 PID 2940 wrote to memory of 2660 2940 uaidnd.exe 32 PID 2940 wrote to memory of 2660 2940 uaidnd.exe 32 PID 2940 wrote to memory of 2660 2940 uaidnd.exe 32 PID 2940 wrote to memory of 2660 2940 uaidnd.exe 32 PID 2940 wrote to memory of 2660 2940 uaidnd.exe 32 PID 2940 wrote to memory of 2660 2940 uaidnd.exe 32 PID 2940 wrote to memory of 2660 2940 uaidnd.exe 32 PID 2940 wrote to memory of 2660 2940 uaidnd.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672 -
C:\Users\Admin\AppData\Local\Temp\uaidnd.exe"C:\Users\Admin\AppData\Local\Temp\uaidnd.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\683A09~1.EXE"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2940 -
C:\Users\Admin\AppData\Local\Temp\uaidnd.exe"C:\Users\Admin\AppData\Local\Temp\uaidnd.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\683A09~1.EXE"4⤵
- Deletes itself
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2660 -
C:\Windows\SysWOW64\VSSADMIN.EXE"C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet5⤵
- Interacts with shadow copies
PID:2780
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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
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
1Pre-OS Boot
1Bootkit
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5beeafa98cd3e8c96d3975cb4466127ba
SHA17ef8c3c7dd6f37c88ed3f48deceb088aa56d0dd1
SHA256cd51dd6f9c8fb53c15464d89c249d5b661408bae8de26b1e85e28169ff81eb20
SHA512ea3a349b7eb1aaac5dd6f0eb8d81e04fbec7fee9d34477a3bfae069bca92339d943cc89339ffbd74a5f570a2ff19d7eff41c47376c2b4181701581fe67bd690d
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Filesize
49KB
MD546bfd4f1d581d7c0121d2b19a005d3df
SHA15b063298bbd1670b4d39e1baef67f854b8dcba9d
SHA256683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96
SHA512b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5