satana | 4785c134b128df624760c02ad23c7e345a234a99828c3fecf58fbd6d5449897f

General

Target

unpacked.exe
Size

72KB
MD5

108756f41d114eb93e136ba2feb838d0
SHA1

8c6b51923ee7da2f4642c7717db95fbb77d96164
SHA256

b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c
SHA512

d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa
SSDEEP

768:F9NJK3qZRhxXHIQBsLL16BKc+bBQZ/UMc2:rXzXol6cc+lQZMMc2

Score

10^/10

satana bootkit discovery 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: 0C4417665563FACACC6BCADD33341B79 and pay on a Bitcoin Wallet: XsHmuuiWcMgjitqGaxdaafnBGCnP13zcy6 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: 0C4417665563FACACC6BCADD33341B79 this is code; you must send BTC: XsHmuuiWcMgjitqGaxdaafnBGCnP13zcy6 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 itself 1 IoCs

Processes:

vnn.exe

pid process

1412 vnn.exe
Executes dropped EXE 1 IoCs

Processes:

vnn.exe

pid process

1412 vnn.exe

pid	process
1412	vnn.exe

pid	process
1412	vnn.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

unpacked.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-970747758-134341002-3585657277-1000\Software\Microsoft\Windows\CurrentVersion\Run\wkzjtxl = "C:\\Users\\Admin\\AppData\\Local\\Temp\\!satana!.txt"	unpacked.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

Processes:

vnn.exe

description ioc process

File opened for modification \??\PHYSICALDRIVE0 vnn.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File opened for modification	\??\PHYSICALDRIVE0	vnn.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

unpacked.exevnn.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	unpacked.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vnn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

vnn.exe

description pid process

Token: SeIncBasePriorityPrivilege 1412 vnn.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1412	vnn.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

unpacked.exe

description	pid	process	target process
PID 4216 wrote to memory of 1412	4216	unpacked.exe	vnn.exe
PID 4216 wrote to memory of 1412	4216	unpacked.exe	vnn.exe
PID 4216 wrote to memory of 1412	4216	unpacked.exe	vnn.exe

C:\Users\Admin\AppData\Local\Temp\unpacked.exe
"C:\Users\Admin\AppData\Local\Temp\unpacked.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4216
- C:\Users\Admin\AppData\Local\Temp\vnn.exe
  "C:\Users\Admin\AppData\Local\Temp\vnn.exe" {4a6feaa9-5125-11ef-ad6f-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\unpacked.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
3ded20899c7c81e008441b646fa6b96a

SHA1
dcd2687c0e7ed577d456ffd26da0565b3326866d

SHA256
b7aa982c8ab7795cc5bdc1e63d8e3dcadd5cf0dd50b4712e4b31e6b7eb1da28e

SHA512
eb9dbfc8cfe53f1d5f6525e1495c505799b8b86bf0db1c2c3f5ebceefb7a63d779ae3daffbeaad24e08d50e04a81e5bd1bf8b94794a15febe195390cb18e9c3b

Download Submit
C:\Users\Admin\AppData\Local\Temp\vnn.exe

Filesize
72KB

MD5
108756f41d114eb93e136ba2feb838d0

SHA1
8c6b51923ee7da2f4642c7717db95fbb77d96164

SHA256
b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c

SHA512
d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads