satana | ea46a1fb5b5896dfe1f49d26ca9946d7fd76d525da791dee481694912f02d257

Resubmissions

14-05-2023 19:15

230514-xydc6sdc98 10

Analysis

max time kernel
116s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14-05-2023 19:15

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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: 457447E2185D65A7A1F3B86D1758E7B3 and pay on a Bitcoin Wallet: XtumpYQZE3THSx5fG3P9uFTocAbU6DCdwQ 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: 457447E2185D65A7A1F3B86D1758E7B3 this is code; you must send BTC: XtumpYQZE3THSx5fG3P9uFTocAbU6DCdwQ 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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	unpacked.exe

Executes dropped EXE 1 IoCs

pid	Process
2888	yxzzx.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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	unpacked.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gvwgs = "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

T1067

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	yxzzx.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

description	pid	Process
Token: SeIncBasePriorityPrivilege	2888	yxzzx.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 2888	4660	unpacked.exe	88
PID 4660 wrote to memory of 2888	4660	unpacked.exe	88
PID 4660 wrote to memory of 2888	4660	unpacked.exe	88

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:4660
- C:\Users\Admin\AppData\Local\Temp\yxzzx.exe
  "C:\Users\Admin\AppData\Local\Temp\yxzzx.exe" {0338073a-b1a2-11ed-9ee7-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\unpacked.exe"
  2⤵
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of AdjustPrivilegeToken
  PID:2888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
1KB

MD5
c0f911ca5ab1082ea9f0ac2cfc3a33ea

SHA1
5e724640e5436e3cebcb81a9066d2b244e5f66ff

SHA256
b2fa9f56565ff5e379dfce959ac1a9ced503c4beaff51bdc60ab8263743b02d9

SHA512
7a5d5fa17e47753f81c96341577d6112ea0860e65f8422eba66cd80991e74fe5826ebd906cca758d5e8a3e741c1690d1c5618e729472b01d61d0142a3ce502bc

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C:\Users\Admin\AppData\Local\Temp\yxzzx.exe

Filesize
72KB

MD5
108756f41d114eb93e136ba2feb838d0

SHA1
8c6b51923ee7da2f4642c7717db95fbb77d96164

SHA256
b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c

SHA512
d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa

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C:\Users\Admin\AppData\Local\Temp\yxzzx.exe

Filesize
72KB

MD5
108756f41d114eb93e136ba2feb838d0

SHA1
8c6b51923ee7da2f4642c7717db95fbb77d96164

SHA256
b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c

SHA512
d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa

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C:\Users\Admin\AppData\Local\Temp\yxzzx.exe

Filesize
72KB

MD5
108756f41d114eb93e136ba2feb838d0

SHA1
8c6b51923ee7da2f4642c7717db95fbb77d96164

SHA256
b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c

SHA512
d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa

Download Submit