008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549

General

Target

Control.exe
Size

1.9MB
MD5

d86f451bbff804e59a549f9fb33d6e3f
SHA1

3cb0cb07cc2542f1d98060adccda726ea865db98
SHA256

008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549
SHA512

c86ad7e1d5c445d4de9866faab578b2eb04f72ffef4fac380b7164003471b4b48b09772e735ea15205e2ab4a1f4d194d188cdeb12c7199d0824ddaba393dcaa2

Score

9^/10

cryptone packer ransomware

Malware Config

Signatures

CryptOne packer 4 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\CenterLibrary\Tip	cryptone
\Users\Admin\AppData\Roaming\CenterLibrary\Tip	cryptone
C:\Users\Admin\AppData\Roaming\CenterLibrary\Tip	cryptone
C:\Users\Admin\AppData\Roaming\CenterLibrary\Tip	cryptone

Executes dropped EXE 1 IoCs

Processes:

Tip

pid process

1708 Tip

pid	process
1708	Tip

Modifies extensions of user files 14 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Tip

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\RevokeRepair.crw.phoenix	Tip
File renamed	C:\Users\Admin\Pictures\StartJoin.png => C:\Users\Admin\Pictures\StartJoin.png.phoenix	Tip
File renamed	C:\Users\Admin\Pictures\RevokeRepair.crw => C:\Users\Admin\Pictures\RevokeRepair.crw.phoenix	Tip
File renamed	C:\Users\Admin\Pictures\UndoOptimize.tiff => C:\Users\Admin\Pictures\UndoOptimize.tiff.phoenix	Tip
File opened for modification	C:\Users\Admin\Pictures\EnterWatch.crw.phoenix	Tip
File renamed	C:\Users\Admin\Pictures\OptimizeMerge.tiff => C:\Users\Admin\Pictures\OptimizeMerge.tiff.phoenix	Tip
File opened for modification	C:\Users\Admin\Pictures\OptimizeMerge.tiff.phoenix	Tip
File renamed	C:\Users\Admin\Pictures\RequestTest.raw => C:\Users\Admin\Pictures\RequestTest.raw.phoenix	Tip
File opened for modification	C:\Users\Admin\Pictures\RequestTest.raw.phoenix	Tip
File opened for modification	C:\Users\Admin\Pictures\UndoOptimize.tiff.phoenix	Tip
File renamed	C:\Users\Admin\Pictures\ConvertToResume.raw => C:\Users\Admin\Pictures\ConvertToResume.raw.phoenix	Tip
File opened for modification	C:\Users\Admin\Pictures\ConvertToResume.raw.phoenix	Tip
File renamed	C:\Users\Admin\Pictures\EnterWatch.crw => C:\Users\Admin\Pictures\EnterWatch.crw.phoenix	Tip
File opened for modification	C:\Users\Admin\Pictures\StartJoin.png.phoenix	Tip

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

928 cmd.exe
Loads dropped DLL 2 IoCs

Processes:

Control.exe

pid process

1964 Control.exe
1964 Control.exe

pid	process
928	cmd.exe

pid	process
1964	Control.exe
1964	Control.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Control.exeTipcmd.execmd.exe

description	pid	process	target process
PID 1964 wrote to memory of 1708	1964	Control.exe	Tip
PID 1964 wrote to memory of 1708	1964	Control.exe	Tip
PID 1964 wrote to memory of 1708	1964	Control.exe	Tip
PID 1708 wrote to memory of 652	1708	Tip	cmd.exe
PID 1708 wrote to memory of 652	1708	Tip	cmd.exe
PID 1708 wrote to memory of 652	1708	Tip	cmd.exe
PID 1964 wrote to memory of 928	1964	Control.exe	cmd.exe
PID 1964 wrote to memory of 928	1964	Control.exe	cmd.exe
PID 1964 wrote to memory of 928	1964	Control.exe	cmd.exe
PID 652 wrote to memory of 1868	652	cmd.exe	waitfor.exe
PID 652 wrote to memory of 1868	652	cmd.exe	waitfor.exe
PID 652 wrote to memory of 1868	652	cmd.exe	waitfor.exe
PID 928 wrote to memory of 1660	928	cmd.exe	waitfor.exe
PID 928 wrote to memory of 1660	928	cmd.exe	waitfor.exe
PID 928 wrote to memory of 1660	928	cmd.exe	waitfor.exe
PID 652 wrote to memory of 1684	652	cmd.exe	attrib.exe
PID 652 wrote to memory of 1684	652	cmd.exe	attrib.exe
PID 652 wrote to memory of 1684	652	cmd.exe	attrib.exe
PID 928 wrote to memory of 1680	928	cmd.exe	attrib.exe
PID 928 wrote to memory of 1680	928	cmd.exe	attrib.exe
PID 928 wrote to memory of 1680	928	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1684 attrib.exe
1680 attrib.exe

pid	process
1684	attrib.exe
1680	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Control.exe
"C:\Users\Admin\AppData\Local\Temp\Control.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1964

C:\Users\Admin\AppData\Roaming\CenterLibrary\Tip
C:\Users\Admin\AppData\Roaming\CenterLibrary\Tip /go
2⤵
- Executes dropped EXE
- Modifies extensions of user files
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\system32\cmd.exe
cmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Roaming\CenterLibrary\Tip" & del "C:\Users\Admin\AppData\Roaming\CenterLibrary\Tip" & rd "C:\Users\Admin\AppData\Roaming\CenterLibrary\"
3⤵
- Suspicious use of WriteProcessMemory
PID:652

C:\Windows\system32\waitfor.exe
waitfor /t 10 pause /d y
4⤵
PID:1868

C:\Windows\system32\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\CenterLibrary\Tip"
4⤵
- Views/modifies file attributes
PID:1684

C:\Windows\system32\cmd.exe
cmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\Control.exe" & del "C:\Users\Admin\AppData\Local\Temp\Control.exe" & rd "C:\Users\Admin\AppData\Local\Temp\"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:928

C:\Windows\system32\waitfor.exe
waitfor /t 10 pause /d y
3⤵
PID:1660

C:\Windows\system32\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\Control.exe"
3⤵
- Views/modifies file attributes
PID:1680

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\PHOENIX-HELP.txt
1⤵
PID:576

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\CenterLibrary\Tip
MD5
d86f451bbff804e59a549f9fb33d6e3f

SHA1
3cb0cb07cc2542f1d98060adccda726ea865db98

SHA256
008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549

SHA512
c86ad7e1d5c445d4de9866faab578b2eb04f72ffef4fac380b7164003471b4b48b09772e735ea15205e2ab4a1f4d194d188cdeb12c7199d0824ddaba393dcaa2

Download Submit
C:\Users\Admin\AppData\Roaming\CenterLibrary\Tip
MD5
d86f451bbff804e59a549f9fb33d6e3f

SHA1
3cb0cb07cc2542f1d98060adccda726ea865db98

SHA256
008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549

SHA512
c86ad7e1d5c445d4de9866faab578b2eb04f72ffef4fac380b7164003471b4b48b09772e735ea15205e2ab4a1f4d194d188cdeb12c7199d0824ddaba393dcaa2

Download Submit
C:\Users\Admin\Desktop\PHOENIX-HELP.txt
MD5
da5d4b050389dea3bccf57dcb9be5a07

SHA1
72a35a5cc4439111d51a685e2eb1bfee53d28121

SHA256
109fcc906bd7387dc22d43bf44d4a3b73d4b5300863185ccd9a2b734791a4343

SHA512
42382e3c26fd4fd056db19a8130645a79d9a1741bfff9a980f2e5c65be74c41a6690ebc2595cc7736e84edccaf0b5ebe7cc9a5014cc650c51bbbccefa89511d0

Download Submit
\Users\Admin\AppData\Roaming\CenterLibrary\Tip
MD5
d86f451bbff804e59a549f9fb33d6e3f

SHA1
3cb0cb07cc2542f1d98060adccda726ea865db98

SHA256
008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549

SHA512
c86ad7e1d5c445d4de9866faab578b2eb04f72ffef4fac380b7164003471b4b48b09772e735ea15205e2ab4a1f4d194d188cdeb12c7199d0824ddaba393dcaa2

Download Submit
\Users\Admin\AppData\Roaming\CenterLibrary\Tip
MD5
d86f451bbff804e59a549f9fb33d6e3f

SHA1
3cb0cb07cc2542f1d98060adccda726ea865db98

SHA256
008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549

SHA512
c86ad7e1d5c445d4de9866faab578b2eb04f72ffef4fac380b7164003471b4b48b09772e735ea15205e2ab4a1f4d194d188cdeb12c7199d0824ddaba393dcaa2

Download Submit
memory/576-15-0x000007FEFB831000-0x000007FEFB833000-memory.dmp

Filesize
8KB

Download
memory/584-17-0x000007FEF5E90000-0x000007FEF610A000-memory.dmp

Filesize
2.5MB

Download
memory/652-8-0x0000000000000000-mapping.dmp

Download
memory/928-9-0x0000000000000000-mapping.dmp

Download
memory/1660-11-0x0000000000000000-mapping.dmp

Download
memory/1680-13-0x0000000000000000-mapping.dmp

Download
memory/1684-12-0x0000000000000000-mapping.dmp

Download
memory/1708-5-0x0000000000000000-mapping.dmp

Download
memory/1868-10-0x0000000000000000-mapping.dmp

Download
memory/1964-2-0x0000000001E10000-0x0000000001FD0000-memory.dmp

Filesize
1.8MB

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads