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Analysis
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max time kernel
162s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
13/02/2022, 12:21
General
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Target
unpacked.exe
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Size
72KB
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MD5
108756f41d114eb93e136ba2feb838d0
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SHA1
8c6b51923ee7da2f4642c7717db95fbb77d96164
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SHA256
b38b4c1dcf6d6ecd1bbfc236b43c37c18044c2f42f11e5088384f4bd0751929c
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SHA512
d13183e8ba4689475b0cb3f5cc7acbfba34a1ba661eb5988984647c2bd3e561cfa03f6267f60ae9fb2ca0783f26c105cdbcfc89def598c48968febef23c21aaa
Score
10/10
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: 18B25953E328E11606833463C8A10A63 and pay on
a Bitcoin Wallet: XbvKCGr8VowpBLwE8VxHNL2oL24ukKcNFw 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: 18B25953E328E11606833463C8A10A63 this is code; you must send
BTC: XbvKCGr8VowpBLwE8VxHNL2oL24ukKcNFw 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
Signatures
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Satana
Ransomware family which also encrypts the system's Master Boot Record (MBR).
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Executes dropped EXE 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Adds Run key to start application 2 TTPs 2 IoCs
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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.
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Drops file in Windows directory 8 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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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
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C:\Users\Admin\AppData\Local\Temp\mcdp.exe"C:\Users\Admin\AppData\Local\Temp\mcdp.exe" {ea90e9d2-74a7-11ec-b993-806e6f6e6963} "C:\Users\Admin\AppData\Local\Temp\unpacked.exe"2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
64KB
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Filesize
64KB
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Filesize
16KB