d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa

General

Target

d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exe
Size

1.8MB
MD5

afe1317423c7fea2eadb520f15fd1244
SHA1

f66af8f2ac9206b87a4388f59c69ae092502fb7b
SHA256

d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa
SHA512

909c2d66091da3f70e225e95ab24497a565cf1f45cb60e4ec511b0b9885456cb15bee8602eee49318f066b851aeddc8e6fff4f36e42a42d1754fd153eb1bd066

Score

10^/10

cryptone packer ransomware

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\HOW-TO-DECRYPT-gn9cj.txt

Ransom Note

[+] What happened? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has extension *.gn9cj By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant get back your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practice - time is much more valuable than money. [+] How to get access on website? [+] Using a TOR browser! - Download and install TOR browser from this site: hxxps://torproject.org/ - Open our website: hxxp://khfsk3ffg3av3rha.onion - Follow the on-screen instructions Extension name: *.gn9cj ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) will make everything possible for restoring, but please do not interfere. !!! !!! !!! ��

Extracted

Path

C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\HOW-TO-DECRYPT-gn9cj.txt

Ransom Note

[+] What happened? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has extension *.gn9cj By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant get back your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practice - time is much more valuable than money. [+] How to get access on website? [+] Using a TOR browser! - Download and install TOR browser from this site: hxxps://torproject.org/ - Open our website: hxxp://khfsk3ffg3av3rha.onion - Follow the on-screen instructions Extension name: *.gn9cj ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) will make everything possible for restoring, but please do not interfere. !!! !!! !!! ��[+] What happened? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has extension *.gn9cj By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant get back your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practice - time is much more valuable than money. [+] How to get access on website? [+] Using a TOR browser! - Download and install TOR browser from this site: hxxps://torproject.org/ - Open our website: hxxp://khfsk3ffg3av3rha.onion - Follow the on-screen instructions Extension name: *.gn9cj ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) will make everything possible for restoring, but please do not interfere. !!! !!! !!! ��

Signatures

CryptOne packer 4 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\ExplorerInterface\Msde	cryptone
\Users\Admin\AppData\Roaming\ExplorerInterface\Msde	cryptone
C:\Users\Admin\AppData\Roaming\ExplorerInterface\Msde	cryptone
C:\Users\Admin\AppData\Roaming\ExplorerInterface\Msde	cryptone

Executes dropped EXE 1 IoCs

Processes:

Msde

pid process

1036 Msde

pid	process
1036	Msde

Modifies extensions of user files 8 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Msde

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\OpenRead.raw.gn9cj	Msde
File renamed	C:\Users\Admin\Pictures\ResumeUninstall.png => C:\Users\Admin\Pictures\ResumeUninstall.png.gn9cj	Msde
File opened for modification	C:\Users\Admin\Pictures\ResumeUninstall.png.gn9cj	Msde
File renamed	C:\Users\Admin\Pictures\UndoProtect.raw => C:\Users\Admin\Pictures\UndoProtect.raw.gn9cj	Msde
File opened for modification	C:\Users\Admin\Pictures\UndoProtect.raw.gn9cj	Msde
File renamed	C:\Users\Admin\Pictures\NewWrite.tiff => C:\Users\Admin\Pictures\NewWrite.tiff.gn9cj	Msde
File opened for modification	C:\Users\Admin\Pictures\NewWrite.tiff.gn9cj	Msde
File renamed	C:\Users\Admin\Pictures\OpenRead.raw => C:\Users\Admin\Pictures\OpenRead.raw.gn9cj	Msde

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1860 cmd.exe

pid	process
1860	cmd.exe

Loads dropped DLL 2 IoCs

Processes:

d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exe

pid	process
1756	d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exe
1756	d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exeMsdecmd.execmd.exe

description	pid	process	target process
PID 1756 wrote to memory of 1036	1756	d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exe	Msde
PID 1756 wrote to memory of 1036	1756	d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exe	Msde
PID 1756 wrote to memory of 1036	1756	d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exe	Msde
PID 1036 wrote to memory of 564	1036	Msde	cmd.exe
PID 1036 wrote to memory of 564	1036	Msde	cmd.exe
PID 1036 wrote to memory of 564	1036	Msde	cmd.exe
PID 1756 wrote to memory of 1860	1756	d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exe	cmd.exe
PID 1756 wrote to memory of 1860	1756	d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exe	cmd.exe
PID 1756 wrote to memory of 1860	1756	d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exe	cmd.exe
PID 564 wrote to memory of 1552	564	cmd.exe	waitfor.exe
PID 564 wrote to memory of 1552	564	cmd.exe	waitfor.exe
PID 564 wrote to memory of 1552	564	cmd.exe	waitfor.exe
PID 1860 wrote to memory of 1624	1860	cmd.exe	waitfor.exe
PID 1860 wrote to memory of 1624	1860	cmd.exe	waitfor.exe
PID 1860 wrote to memory of 1624	1860	cmd.exe	waitfor.exe
PID 564 wrote to memory of 1608	564	cmd.exe	attrib.exe
PID 564 wrote to memory of 1608	564	cmd.exe	attrib.exe
PID 564 wrote to memory of 1608	564	cmd.exe	attrib.exe
PID 1860 wrote to memory of 1000	1860	cmd.exe	attrib.exe
PID 1860 wrote to memory of 1000	1860	cmd.exe	attrib.exe
PID 1860 wrote to memory of 1000	1860	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1000 attrib.exe
1608 attrib.exe

pid	process
1000	attrib.exe
1608	attrib.exe

C:\Users\Admin\AppData\Local\Temp\d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exe
"C:\Users\Admin\AppData\Local\Temp\d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1756

C:\Users\Admin\AppData\Roaming\ExplorerInterface\Msde
C:\Users\Admin\AppData\Roaming\ExplorerInterface\Msde /go
2⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:1036

C:\Windows\system32\cmd.exe
cmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Roaming\ExplorerInterface\Msde" & del "C:\Users\Admin\AppData\Roaming\ExplorerInterface\Msde" & rd "C:\Users\Admin\AppData\Roaming\ExplorerInterface\"
3⤵
- Suspicious use of WriteProcessMemory
PID:564

C:\Windows\system32\waitfor.exe
waitfor /t 10 pause /d y
4⤵
PID:1552

C:\Windows\system32\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\ExplorerInterface\Msde"
4⤵
- Views/modifies file attributes
PID:1608

C:\Windows\system32\cmd.exe
cmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exe" & del "C:\Users\Admin\AppData\Local\Temp\d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exe" & rd "C:\Users\Admin\AppData\Local\Temp\"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1860

C:\Windows\system32\waitfor.exe
waitfor /t 10 pause /d y
3⤵
PID:1624

C:\Windows\system32\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa.exe"
3⤵
- Views/modifies file attributes
PID:1000

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\ExplorerInterface\Msde
MD5
afe1317423c7fea2eadb520f15fd1244

SHA1
f66af8f2ac9206b87a4388f59c69ae092502fb7b

SHA256
d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa

SHA512
909c2d66091da3f70e225e95ab24497a565cf1f45cb60e4ec511b0b9885456cb15bee8602eee49318f066b851aeddc8e6fff4f36e42a42d1754fd153eb1bd066

Download Submit
C:\Users\Admin\AppData\Roaming\ExplorerInterface\Msde
MD5
afe1317423c7fea2eadb520f15fd1244

SHA1
f66af8f2ac9206b87a4388f59c69ae092502fb7b

SHA256
d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa

SHA512
909c2d66091da3f70e225e95ab24497a565cf1f45cb60e4ec511b0b9885456cb15bee8602eee49318f066b851aeddc8e6fff4f36e42a42d1754fd153eb1bd066

Download Submit
\Users\Admin\AppData\Roaming\ExplorerInterface\Msde
MD5
afe1317423c7fea2eadb520f15fd1244

SHA1
f66af8f2ac9206b87a4388f59c69ae092502fb7b

SHA256
d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa

SHA512
909c2d66091da3f70e225e95ab24497a565cf1f45cb60e4ec511b0b9885456cb15bee8602eee49318f066b851aeddc8e6fff4f36e42a42d1754fd153eb1bd066

Download Submit
\Users\Admin\AppData\Roaming\ExplorerInterface\Msde
MD5
afe1317423c7fea2eadb520f15fd1244

SHA1
f66af8f2ac9206b87a4388f59c69ae092502fb7b

SHA256
d35c8035a81539f841afcbc400ba73c66290f97b07881fbb590ea67a82990baa

SHA512
909c2d66091da3f70e225e95ab24497a565cf1f45cb60e4ec511b0b9885456cb15bee8602eee49318f066b851aeddc8e6fff4f36e42a42d1754fd153eb1bd066

Download Submit
memory/564-65-0x0000000000000000-mapping.dmp

Download
memory/1000-70-0x0000000000000000-mapping.dmp

Download
memory/1036-62-0x0000000140000000-0x00000001401D8000-memory.dmp

Filesize
1.8MB

Download
memory/1036-60-0x0000000000000000-mapping.dmp

Download
memory/1552-67-0x0000000000000000-mapping.dmp

Download
memory/1608-69-0x0000000000000000-mapping.dmp

Download
memory/1624-68-0x0000000000000000-mapping.dmp

Download
memory/1756-54-0x0000000140000000-0x00000001401D8000-memory.dmp

Filesize
1.8MB

Download
memory/1756-57-0x0000000001C60000-0x0000000001E22000-memory.dmp

Filesize
1.8MB

Download
memory/1860-66-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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