Resubmissions
11/01/2024, 16:01
240111-tgd2laahcq1011/01/2024, 13:57
240111-q9c38ahbcn1030/12/2023, 02:18
231230-crebnsadgm9Analysis
- max time kernel
27s - max time network
41s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system - submitted
11/01/2024, 16:01
Static task
static1
Behavioral task
behavioral1
Sample
Satana.exe
Resource
win7-20231215-en
General
- Target Satana.exe
- Size 49KB
- Sample240111-tgd2laahcq
- SHA256 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96
- MD5 46bfd4f1d581d7c0121d2b19a005d3df
- SHA1 5b063298bbd1670b4d39e1baef67f854b8dcba9d
- SHA512 b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5
- SSDEEP 768:AbFw10RFnAwJM7MiqwecUaX5h4IuCdYa+XLXTGY1idL2WYiwtDj:Apw10vnAOIUaJh4IXdWXLXTWLfuFj
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
C:\Users\Admin\AppData\Local\Temp\!satana!.txt
- 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!>
Signatures
- Satana
Ransomware family which also encrypts the system's Master Boot Record (MBR).
- Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
- Deletes itself 1 IoCs
pid Process 2212 fnug.exe - Executes dropped EXE 2 IoCs
pid Process 2120 fnug.exe 2212 fnug.exe - Loads dropped DLL 5 IoCs
pid Process 2140 Satana.exe 2140 Satana.exe 2140 Satana.exe 2140 Satana.exe 2120 fnug.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\pfxfyjyk = "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 fnug.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2640 set thread context of 2140 2640 Satana.exe 28 PID 2120 set thread context of 2212 2120 fnug.exe 32 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2296 VSSADMIN.EXE - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2212 fnug.exe - Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2640 wrote to memory of 2140 2640 Satana.exe 28 PID 2640 wrote to memory of 2140 2640 Satana.exe 28 PID 2640 wrote to memory of 2140 2640 Satana.exe 28 PID 2640 wrote to memory of 2140 2640 Satana.exe 28 PID 2640 wrote to memory of 2140 2640 Satana.exe 28 PID 2640 wrote to memory of 2140 2640 Satana.exe 28 PID 2640 wrote to memory of 2140 2640 Satana.exe 28 PID 2640 wrote to memory of 2140 2640 Satana.exe 28 PID 2640 wrote to memory of 2140 2640 Satana.exe 28 PID 2640 wrote to memory of 2140 2640 Satana.exe 28 PID 2140 wrote to memory of 2120 2140 Satana.exe 31 PID 2140 wrote to memory of 2120 2140 Satana.exe 31 PID 2140 wrote to memory of 2120 2140 Satana.exe 31 PID 2140 wrote to memory of 2120 2140 Satana.exe 31 PID 2120 wrote to memory of 2212 2120 fnug.exe 32 PID 2120 wrote to memory of 2212 2120 fnug.exe 32 PID 2120 wrote to memory of 2212 2120 fnug.exe 32 PID 2120 wrote to memory of 2212 2120 fnug.exe 32 PID 2120 wrote to memory of 2212 2120 fnug.exe 32 PID 2120 wrote to memory of 2212 2120 fnug.exe 32 PID 2120 wrote to memory of 2212 2120 fnug.exe 32 PID 2120 wrote to memory of 2212 2120 fnug.exe 32 PID 2120 wrote to memory of 2212 2120 fnug.exe 32 PID 2120 wrote to memory of 2212 2120 fnug.exe 32
Processes
-
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:2640 -
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:2140 -
C:\Users\Admin\AppData\Local\Temp\fnug.exe"C:\Users\Admin\AppData\Local\Temp\fnug.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:2120 -
C:\Users\Admin\AppData\Local\Temp\fnug.exe"C:\Users\Admin\AppData\Local\Temp\fnug.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:2212 -
C:\Windows\SysWOW64\VSSADMIN.EXE"C:\Windows\system32\VSSADMIN.EXE" Delete Shadows /All /Quiet5⤵
- Interacts with shadow copies
PID:2296
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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
- Path C:\Users\Admin\AppData\Local\Temp\!satana!.txt
- Size 1KB
- SHA256 0956cbba6e944fd76a98fc03c69a1e4d819723e5e60dd87e550f5d4b11223af3
- MD5 4e444ad021ad48fd0cd35f75c0879102
- SHA1 eb76854620f07fed0ed40b4cc788e09b6df2867a
- SHA512 69147e34e5e230b86b38cec25176beb31c4fa4ca2ab47bc19d6312568ef79644bf131071bd1a0cee5357654ef69101efd8ee232d487b889d094c7e693065c20c
- MD5 SHA1 SHA512
- Path \Users\Admin\AppData\Local\Temp\fnug.exe
- Size 49KB
- SHA256 683a09da219918258c58a7f61f7dc4161a3a7a377cf82a31b840baabfb9a4a96
- MD5 46bfd4f1d581d7c0121d2b19a005d3df
- SHA1 5b063298bbd1670b4d39e1baef67f854b8dcba9d
- SHA512 b52aa090f689765d099689700be7e18922137e7a860a00113e3f72aa6553e94a870bbb741e52de9617506a236a2a59198fb224fcd128576d76642eec9d715df5
- SSDEEP 768:AbFw10RFnAwJM7MiqwecUaX5h4IuCdYa+XLXTGY1idL2WYiwtDj:Apw10vnAOIUaJh4IXdWXLXTWLfuFj
- MD5 SHA1 SHA512 SSDEEP