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 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: 33F9C58FDB6BBC8C25F60A92DAA4F1EB and pay on a Bitcoin Wallet: Xqz5WKhkQJBub7XABd4TJANXtQXGCacNUG 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: 33F9C58FDB6BBC8C25F60A92DAA4F1EB this is code; you must send BTC: Xqz5WKhkQJBub7XABd4TJANXtQXGCacNUG 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

Processes:

unpacked.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	unpacked.exe

Deletes itself 1 IoCs

Processes:

ewpt.exe

pid process

1916 ewpt.exe
Executes dropped EXE 1 IoCs

Processes:

ewpt.exe

pid process

1916 ewpt.exe

pid	process
1916	ewpt.exe

pid	process
1916	ewpt.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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ebigg = "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:

ewpt.exe

description ioc process

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

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ewpt.exe

description pid process

Token: SeIncBasePriorityPrivilege 1916 ewpt.exe

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

description	pid	process
Token: SeIncBasePriorityPrivilege	1916	ewpt.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

unpacked.exe

description	pid	process	target process
PID 3764 wrote to memory of 1916	3764	unpacked.exe	ewpt.exe
PID 3764 wrote to memory of 1916	3764	unpacked.exe	ewpt.exe
PID 3764 wrote to memory of 1916	3764	unpacked.exe	ewpt.exe

C:\Users\Admin\AppData\Local\Temp\unpacked.exe
"C:\Users\Admin\AppData\Local\Temp\unpacked.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3764
- C:\Users\Admin\AppData\Local\Temp\ewpt.exe
  "C:\Users\Admin\AppData\Local\Temp\ewpt.exe" {b507c657-0d76-11ef-9505-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\unpacked.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of AdjustPrivilegeToken
  PID:1916

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
7b698c46a42304e21979a850ae6b4fe7

SHA1
48ad79501110a2493c9bd81877fe22d890ada2a7

SHA256
56b72cd91d9bf5e808f077848b5f75393443545807202077f9d063612c1c8dbc

SHA512
35dc74fb897c1b2c3946e12413a21c5feefa48d417c5b409d001378c9666ff87a0ce97182a8f66e2e31d8f3357f1de60481d07c39bb9f3a4df7fcf7bdccedaf5

Download Submit
C:\Users\Admin\AppData\Local\Temp\ewpt.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