Analysis
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max time kernel
149s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30-08-2024 16:06
Behavioral task
behavioral1
Sample
20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe
Resource
win10v2004-20240802-en
General
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Target
20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe
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Size
144KB
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MD5
baaaf1539a72ab606ebdb8f3fc1b9e79
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SHA1
edcc94fcc1bb8c70e5ee2d558e22ba3af9350b88
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SHA256
cd2b9754497e4b364242705cc435703bc110e1631ff3ec3064f8d05e55e6b268
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SHA512
f260103ba23e4a6bd9b6b5ddcf84bf6a1f51d41dfb6624cc736e713443da1b860e4a21983c50d71e86004f936aa82b78df916a9a57434119d03ce8eccb5366ca
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SSDEEP
768:oebF010RFnAwJM7MiqwecUaX5h4IuCdYa+XLXTGY1idL2WYiwtwq6gTl7:oep010vnAOIUaJh4IXdWXLXTWLfuR
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe -
Deletes itself 1 IoCs
Processes:
ymdid.exepid process 3840 ymdid.exe -
Executes dropped EXE 2 IoCs
Processes:
ymdid.exeymdid.exepid process 2892 ymdid.exe 3840 ymdid.exe -
Processes:
resource yara_rule behavioral2/memory/3004-0-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/memory/3004-6-0x0000000000400000-0x0000000000424000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\ymdid.exe upx behavioral2/memory/2892-30-0x0000000000400000-0x0000000000424000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bdvded = "C:\\Users\\Admin\\AppData\\Local\\Temp\\!satana!.txt" 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.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.
Processes:
ymdid.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 ymdid.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exeymdid.exedescription pid process target process PID 3004 set thread context of 2028 3004 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe PID 2892 set thread context of 3840 2892 ymdid.exe ymdid.exe -
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.
Processes:
20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exeymdid.exeymdid.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ymdid.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ymdid.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
ymdid.exedescription pid process Token: SeIncBasePriorityPrivilege 3840 ymdid.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exeymdid.exedescription pid process target process PID 3004 wrote to memory of 2028 3004 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe PID 3004 wrote to memory of 2028 3004 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe PID 3004 wrote to memory of 2028 3004 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe PID 3004 wrote to memory of 2028 3004 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe PID 3004 wrote to memory of 2028 3004 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe PID 3004 wrote to memory of 2028 3004 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe PID 3004 wrote to memory of 2028 3004 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe PID 3004 wrote to memory of 2028 3004 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe PID 3004 wrote to memory of 2028 3004 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe PID 2028 wrote to memory of 2892 2028 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe ymdid.exe PID 2028 wrote to memory of 2892 2028 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe ymdid.exe PID 2028 wrote to memory of 2892 2028 20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe ymdid.exe PID 2892 wrote to memory of 3840 2892 ymdid.exe ymdid.exe PID 2892 wrote to memory of 3840 2892 ymdid.exe ymdid.exe PID 2892 wrote to memory of 3840 2892 ymdid.exe ymdid.exe PID 2892 wrote to memory of 3840 2892 ymdid.exe ymdid.exe PID 2892 wrote to memory of 3840 2892 ymdid.exe ymdid.exe PID 2892 wrote to memory of 3840 2892 ymdid.exe ymdid.exe PID 2892 wrote to memory of 3840 2892 ymdid.exe ymdid.exe PID 2892 wrote to memory of 3840 2892 ymdid.exe ymdid.exe PID 2892 wrote to memory of 3840 2892 ymdid.exe ymdid.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe"C:\Users\Admin\AppData\Local\Temp\20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Users\Admin\AppData\Local\Temp\20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe"C:\Users\Admin\AppData\Local\Temp\20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Users\Admin\AppData\Local\Temp\ymdid.exe"C:\Users\Admin\AppData\Local\Temp\ymdid.exe" {96169552-510d-11ef-8d47-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\202408~1.EXE"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892 -
C:\Users\Admin\AppData\Local\Temp\ymdid.exe"C:\Users\Admin\AppData\Local\Temp\ymdid.exe" {96169552-510d-11ef-8d47-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\202408~1.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:3840
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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
MD5f8716c4dfb09a3f33d212528815dadb9
SHA197f5e66b3264b2f07462a18b41f2450b8467384d
SHA256dd41fa4b272f3b9abe7ae130b337c528d6f708afa34010030a458a7277291450
SHA5120f99710600271c15f010f6d199001059b35ecf880b43bbc7998eb620f256fee2bec1ae1cb711fcc43c1eb7a13a3969786c4e8e4c8e7f374a96c5318c878b634f
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Filesize
144KB
MD5baaaf1539a72ab606ebdb8f3fc1b9e79
SHA1edcc94fcc1bb8c70e5ee2d558e22ba3af9350b88
SHA256cd2b9754497e4b364242705cc435703bc110e1631ff3ec3064f8d05e55e6b268
SHA512f260103ba23e4a6bd9b6b5ddcf84bf6a1f51d41dfb6624cc736e713443da1b860e4a21983c50d71e86004f936aa82b78df916a9a57434119d03ce8eccb5366ca