satana | cd2b9754497e4b364242705cc435703bc110e1631ff3ec3064f8d05e55e6b268

Analysis

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

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General

Target
20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe
Size 144KB
Sample240830-tkcb6ssfna
SHA256 cd2b9754497e4b364242705cc435703bc110e1631ff3ec3064f8d05e55e6b268
MD5 baaaf1539a72ab606ebdb8f3fc1b9e79
SHA1 edcc94fcc1bb8c70e5ee2d558e22ba3af9350b88
SHA512 f260103ba23e4a6bd9b6b5ddcf84bf6a1f51d41dfb6624cc736e713443da1b860e4a21983c50d71e86004f936aa82b78df916a9a57434119d03ce8eccb5366ca
SSDEEP 768:oebF010RFnAwJM7MiqwecUaX5h4IuCdYa+XLXTGY1idL2WYiwtwq6gTl7:oep010vnAOIUaJh4IXdWXLXTWLfuR
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

satana bootkit discovery persistence ransomware upx

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\!satana!.txt

Ransom Note

You had bad luck.There was crypting of all your files in a FS bootkit virus <!SATANA!> To decrypt you need send on this E-mail: [email protected] your private code: 2405A4C71764E4DD5F21F96288ACCDE6 and pay on a Bitcoin Wallet: XjU81vkJn4kExpBE2r92tcA3zXVdbfux6T total 0,5 btc After that during 1 - 2 days the software will be sent to you - decryptor - and the necessary instructions. All changes in hardware configurations of your computer can make the decryption of your files absolutely impossible! Decryption of your files is possible only on your PC! Recovery is possible during 7 days, after which the program - decryptor - can not ask for the necessary signature from a public certificate server. Please contact via e-mail, which you can find as yet in the form of a text document in a folder with encrypted files, as well as in the name of all encrypted files.If you do not appreciate your files we recommend you format all your disks and reinstall the system. Read carefully this warning as it is no longer able to see at startup of the computer. We remind once again- it is all serious! Do not touch the configuration of your computer! E-mail: [email protected] - this is our mail CODE: 2405A4C71764E4DD5F21F96288ACCDE6 this is code; you must send BTC: XjU81vkJn4kExpBE2r92tcA3zXVdbfux6T here need to pay 0,5 bitcoins How to pay on the Bitcoin wallet you can easily find on the Internet. Enter your unlock code, obtained by E-mail here and press "ENTER" to continue the normal download on your computer. Good luck! May God help you! <!SATANA!>

Emails

[email protected]

Signatures

Satana
Ransomware family which also encrypts the system's Master Boot Record (MBR).
ransomware satana

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	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

pid	Process
3840	ymdid.exe

Executes dropped EXE 2 IoCs

pid	Process
2892	ymdid.exe
3840	ymdid.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3004-0-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/memory/3004-6-0x0000000000400000-0x0000000000424000-memory.dmp	upx
behavioral2/files/0x00110000000234e1-16.dat	upx
behavioral2/memory/2892-30-0x0000000000400000-0x0000000000424000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	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.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	ymdid.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3004 set thread context of 2028	3004	20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe	87
PID 2892 set thread context of 3840	2892	ymdid.exe	97

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

discovery

System Language Discovery

T1614.001

description	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

description	pid	Process
Token: SeIncBasePriorityPrivilege	3840	ymdid.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2028	3004	20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe	87
PID 3004 wrote to memory of 2028	3004	20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe	87
PID 3004 wrote to memory of 2028	3004	20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe	87
PID 3004 wrote to memory of 2028	3004	20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe	87
PID 3004 wrote to memory of 2028	3004	20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe	87
PID 3004 wrote to memory of 2028	3004	20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe	87
PID 3004 wrote to memory of 2028	3004	20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe	87
PID 3004 wrote to memory of 2028	3004	20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe	87
PID 3004 wrote to memory of 2028	3004	20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe	87
PID 2028 wrote to memory of 2892	2028	20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe	95
PID 2028 wrote to memory of 2892	2028	20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe	95
PID 2028 wrote to memory of 2892	2028	20240830baaaf1539a72ab606ebdb8f3fc1b9e79satana.exe	95
PID 2892 wrote to memory of 3840	2892	ymdid.exe	97
PID 2892 wrote to memory of 3840	2892	ymdid.exe	97
PID 2892 wrote to memory of 3840	2892	ymdid.exe	97
PID 2892 wrote to memory of 3840	2892	ymdid.exe	97
PID 2892 wrote to memory of 3840	2892	ymdid.exe	97
PID 2892 wrote to memory of 3840	2892	ymdid.exe	97
PID 2892 wrote to memory of 3840	2892	ymdid.exe	97
PID 2892 wrote to memory of 3840	2892	ymdid.exe	97
PID 2892 wrote to memory of 3840	2892	ymdid.exe	97

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

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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!satana!.txt

Path C:\Users\Admin\AppData\Local\Temp\!satana!.txt
Size 1KB
SHA256 dd41fa4b272f3b9abe7ae130b337c528d6f708afa34010030a458a7277291450
MD5 f8716c4dfb09a3f33d212528815dadb9
SHA1 97f5e66b3264b2f07462a18b41f2450b8467384d
SHA512 0f99710600271c15f010f6d199001059b35ecf880b43bbc7998eb620f256fee2bec1ae1cb711fcc43c1eb7a13a3969786c4e8e4c8e7f374a96c5318c878b634f
MD5 SHA1 SHA512

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ymdid.exe

Path C:\Users\Admin\AppData\Local\Temp\ymdid.exe
Size 144KB
SHA256 cd2b9754497e4b364242705cc435703bc110e1631ff3ec3064f8d05e55e6b268
MD5 baaaf1539a72ab606ebdb8f3fc1b9e79
SHA1 edcc94fcc1bb8c70e5ee2d558e22ba3af9350b88
SHA512 f260103ba23e4a6bd9b6b5ddcf84bf6a1f51d41dfb6624cc736e713443da1b860e4a21983c50d71e86004f936aa82b78df916a9a57434119d03ce8eccb5366ca
SSDEEP 768:oebF010RFnAwJM7MiqwecUaX5h4IuCdYa+XLXTGY1idL2WYiwtwq6gTl7:oep010vnAOIUaJh4IXdWXLXTWLfuR
MD5 SHA1 SHA512 SSDEEP

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memory/2028-1-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/2028-4-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/2028-2-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/2028-7-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/2028-9-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/2028-12-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/2892-30-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/2892-23-0x0000000000401000-0x0000000000402000-memory.dmp

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memory/3004-6-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/3004-0-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/3840-31-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3840-32-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3840-34-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3840-35-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3840-36-0x0000000000400000-0x000000000041B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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