008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549

General

Target

008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.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

resource	yara_rule
behavioral1/files/0x00040000000130f0-3.dat	cryptone
behavioral1/files/0x00040000000130f0-2.dat	cryptone
behavioral1/files/0x00040000000130f0-5.dat	cryptone
behavioral1/files/0x00040000000130f0-14.dat	cryptone

Executes dropped EXE 1 IoCs

pid	Process
472	Draw

Modifies extensions of user files 12 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\ResizeGroup.png.phoenix	Draw
File opened for modification	C:\Users\Admin\Pictures\TraceDeny.crw.phoenix	Draw
File opened for modification	C:\Users\Admin\Pictures\UnprotectResume.crw.phoenix	Draw
File renamed	C:\Users\Admin\Pictures\CompareUninstall.png => C:\Users\Admin\Pictures\CompareUninstall.png.phoenix	Draw
File renamed	C:\Users\Admin\Pictures\ExpandDeny.png => C:\Users\Admin\Pictures\ExpandDeny.png.phoenix	Draw
File opened for modification	C:\Users\Admin\Pictures\ExpandDeny.png.phoenix	Draw
File opened for modification	C:\Users\Admin\Pictures\OutMove.crw.phoenix	Draw
File renamed	C:\Users\Admin\Pictures\ResizeGroup.png => C:\Users\Admin\Pictures\ResizeGroup.png.phoenix	Draw
File opened for modification	C:\Users\Admin\Pictures\CompareUninstall.png.phoenix	Draw
File renamed	C:\Users\Admin\Pictures\OutMove.crw => C:\Users\Admin\Pictures\OutMove.crw.phoenix	Draw
File renamed	C:\Users\Admin\Pictures\TraceDeny.crw => C:\Users\Admin\Pictures\TraceDeny.crw.phoenix	Draw
File renamed	C:\Users\Admin\Pictures\UnprotectResume.crw => C:\Users\Admin\Pictures\UnprotectResume.crw.phoenix	Draw

Deletes itself 1 IoCs

pid	Process
604	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
1812	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe
1812	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 472	1812	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe	27
PID 1812 wrote to memory of 472	1812	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe	27
PID 1812 wrote to memory of 472	1812	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe	27
PID 472 wrote to memory of 1424	472	Draw	31
PID 472 wrote to memory of 1424	472	Draw	31
PID 472 wrote to memory of 1424	472	Draw	31
PID 1812 wrote to memory of 604	1812	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe	32
PID 1812 wrote to memory of 604	1812	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe	32
PID 1812 wrote to memory of 604	1812	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe	32
PID 604 wrote to memory of 1716	604	cmd.exe	36
PID 604 wrote to memory of 1716	604	cmd.exe	36
PID 604 wrote to memory of 1716	604	cmd.exe	36
PID 1424 wrote to memory of 1616	1424	cmd.exe	35
PID 1424 wrote to memory of 1616	1424	cmd.exe	35
PID 1424 wrote to memory of 1616	1424	cmd.exe	35
PID 604 wrote to memory of 1032	604	cmd.exe	37
PID 1424 wrote to memory of 280	1424	cmd.exe	38
PID 604 wrote to memory of 1032	604	cmd.exe	37
PID 1424 wrote to memory of 280	1424	cmd.exe	38
PID 604 wrote to memory of 1032	604	cmd.exe	37
PID 1424 wrote to memory of 280	1424	cmd.exe	38

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1032	attrib.exe
280	attrib.exe

C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe
"C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Users\Admin\AppData\Roaming\MediaDial\Draw
  C:\Users\Admin\AppData\Roaming\MediaDial\Draw /go
  2⤵
  - Executes dropped EXE
  - Modifies extensions of user files
  - Suspicious use of WriteProcessMemory
  PID:472
- - C:\Windows\system32\cmd.exe
    cmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Roaming\MediaDial\Draw" & del "C:\Users\Admin\AppData\Roaming\MediaDial\Draw" & rd "C:\Users\Admin\AppData\Roaming\MediaDial\"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1424
  - - C:\Windows\system32\waitfor.exe
      waitfor /t 10 pause /d y
      4⤵
      PID:1616
  - - C:\Windows\system32\attrib.exe
      attrib -h "C:\Users\Admin\AppData\Roaming\MediaDial\Draw"
      4⤵
      Views/modifies file attributes
      PID:280
- C:\Windows\system32\cmd.exe
  cmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe" & del "C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe" & rd "C:\Users\Admin\AppData\Local\Temp\"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:604
- - C:\Windows\system32\waitfor.exe
    waitfor /t 10 pause /d y
    3⤵
    PID:1716
- - C:\Windows\system32\attrib.exe
    attrib -h "C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe"
    3⤵
    - Views/modifies file attributes
    PID:1032

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/1812-6-0x0000000001D60000-0x0000000001F20000-memory.dmp

Filesize
1.8MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads