satana | ea46a1fb5b5896dfe1f49d26ca9946d7fd76d525da791dee481694912f02d257

Resubmissions

14-05-2023 19:15

230514-xydc6sdc98 10

Analysis

max time kernel
26s
max time network
38s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
14-05-2023 19:15

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General

Target

683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
Size

49KB
MD5

46bfd4f1d581d7c0121d2b19a005d3df
SHA1

5b063298bbd1670b4d39e1baef67f854b8dcba9d
SHA256

683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96
SHA512

b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5
SSDEEP

768:AbFw10RFnAwJM7MiqwecUaX5h4IuCdYa+XLXTGY1idL2WYiwtDj:Apw10vnAOIUaJh4IXdWXLXTWLfuFj

Score

10^/10

satana bootkit persistence ransomware

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: A3D90235E1136671AB1195C6078184FF and pay on a Bitcoin Wallet: XpVh1a3MqRPea2e1GJEvAYeVkpvF98sqhS 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: A3D90235E1136671AB1195C6078184FF this is code; you must send BTC: XpVh1a3MqRPea2e1GJEvAYeVkpvF98sqhS 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
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Deletes itself 1 IoCs

pid	Process
616	nbanhx.exe

Executes dropped EXE 2 IoCs

pid	Process
1700	nbanhx.exe
616	nbanhx.exe

Loads dropped DLL 6 IoCs

pid	Process
2040	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
2040	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
2040	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
2040	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
1700	nbanhx.exe
616	nbanhx.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows\CurrentVersion\Run\adti = "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.

bootkit persistence

Bootkit

T1067

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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 288 set thread context of 2040	288	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe	28
PID 1700 set thread context of 616	1700	nbanhx.exe	30

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

System Information Discovery
T1082

Interacts with shadow copies 2 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1107

Inhibit System Recovery

T1490

pid	Process
1968	VSSADMIN.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	616	nbanhx.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 288 wrote to memory of 2040	288	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe	28
PID 288 wrote to memory of 2040	288	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe	28
PID 288 wrote to memory of 2040	288	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe	28
PID 288 wrote to memory of 2040	288	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe	28
PID 288 wrote to memory of 2040	288	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe	28
PID 288 wrote to memory of 2040	288	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe	28
PID 288 wrote to memory of 2040	288	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe	28
PID 288 wrote to memory of 2040	288	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe	28
PID 288 wrote to memory of 2040	288	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe	28
PID 288 wrote to memory of 2040	288	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe	28
PID 2040 wrote to memory of 1700	2040	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe	29
PID 2040 wrote to memory of 1700	2040	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe	29
PID 2040 wrote to memory of 1700	2040	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe	29
PID 2040 wrote to memory of 1700	2040	683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe	29
PID 1700 wrote to memory of 616	1700	nbanhx.exe	30
PID 1700 wrote to memory of 616	1700	nbanhx.exe	30
PID 1700 wrote to memory of 616	1700	nbanhx.exe	30
PID 1700 wrote to memory of 616	1700	nbanhx.exe	30
PID 1700 wrote to memory of 616	1700	nbanhx.exe	30
PID 1700 wrote to memory of 616	1700	nbanhx.exe	30
PID 1700 wrote to memory of 616	1700	nbanhx.exe	30
PID 1700 wrote to memory of 616	1700	nbanhx.exe	30
PID 1700 wrote to memory of 616	1700	nbanhx.exe	30
PID 1700 wrote to memory of 616	1700	nbanhx.exe	30

C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe
"C:\Users\Admin\AppData\Local\Temp\683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:288
- 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
  - Suspicious use of WriteProcessMemory
  PID:2040
- - C:\Users\Admin\AppData\Local\Temp\nbanhx.exe
    "C:\Users\Admin\AppData\Local\Temp\nbanhx.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
    - Suspicious use of WriteProcessMemory
    PID:1700
  - - C:\Users\Admin\AppData\Local\Temp\nbanhx.exe
      "C:\Users\Admin\AppData\Local\Temp\nbanhx.exe" {846ee340-7039-11de-9d20-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\683A09~1.EXE"
      4⤵
      Deletes itself
      Executes dropped EXE
      Loads dropped DLL
      Writes to the Master Boot Record (MBR)
      Suspicious use of AdjustPrivilegeToken
      PID:616
    - - C:\Windows\SysWOW64\VSSADMIN.EXE
        
        "C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet
        5⤵
        Interacts with shadow copies
        
        PID:1968

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File Deletion

T1107

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact