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 2 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
behavioral2/files/0x000500000001ab83-3.dat	cryptone
behavioral2/files/0x000500000001ab83-4.dat	cryptone

Executes dropped EXE 1 IoCs

Processes:

Alg

pid	Process
348	Alg

Modifies extensions of user files 18 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Alg

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\SaveWait.tiff => C:\Users\Admin\Pictures\SaveWait.tiff.phoenix	Alg
File opened for modification	C:\Users\Admin\Pictures\SaveWait.tiff.phoenix	Alg
File opened for modification	C:\Users\Admin\Pictures\CopyGroup.crw.phoenix	Alg
File opened for modification	C:\Users\Admin\Pictures\MergeShow.crw.phoenix	Alg
File renamed	C:\Users\Admin\Pictures\PublishExpand.tif => C:\Users\Admin\Pictures\PublishExpand.tif.phoenix	Alg
File opened for modification	C:\Users\Admin\Pictures\PublishExpand.tif.phoenix	Alg
File opened for modification	C:\Users\Admin\Pictures\StepPop.tif.phoenix	Alg
File renamed	C:\Users\Admin\Pictures\SetFind.png => C:\Users\Admin\Pictures\SetFind.png.phoenix	Alg
File opened for modification	C:\Users\Admin\Pictures\SetFind.png.phoenix	Alg
File renamed	C:\Users\Admin\Pictures\UndoFormat.png => C:\Users\Admin\Pictures\UndoFormat.png.phoenix	Alg
File opened for modification	C:\Users\Admin\Pictures\UndoFormat.png.phoenix	Alg
File renamed	C:\Users\Admin\Pictures\UninstallOptimize.crw => C:\Users\Admin\Pictures\UninstallOptimize.crw.phoenix	Alg
File renamed	C:\Users\Admin\Pictures\CopyGroup.crw => C:\Users\Admin\Pictures\CopyGroup.crw.phoenix	Alg
File renamed	C:\Users\Admin\Pictures\MergeShow.crw => C:\Users\Admin\Pictures\MergeShow.crw.phoenix	Alg
File renamed	C:\Users\Admin\Pictures\SelectUnprotect.png => C:\Users\Admin\Pictures\SelectUnprotect.png.phoenix	Alg
File opened for modification	C:\Users\Admin\Pictures\UninstallOptimize.crw.phoenix	Alg
File opened for modification	C:\Users\Admin\Pictures\SelectUnprotect.png.phoenix	Alg
File renamed	C:\Users\Admin\Pictures\StepPop.tif => C:\Users\Admin\Pictures\StepPop.tif.phoenix	Alg

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exeAlgcmd.execmd.exe

description	pid	Process	procid_target
PID 60 wrote to memory of 348	60	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe	79
PID 60 wrote to memory of 348	60	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe	79
PID 348 wrote to memory of 2384	348	Alg	81
PID 348 wrote to memory of 2384	348	Alg	81
PID 60 wrote to memory of 480	60	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe	83
PID 60 wrote to memory of 480	60	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe	83
PID 2384 wrote to memory of 3576	2384	cmd.exe	85
PID 2384 wrote to memory of 3576	2384	cmd.exe	85
PID 480 wrote to memory of 736	480	cmd.exe	86
PID 480 wrote to memory of 736	480	cmd.exe	86
PID 480 wrote to memory of 3204	480	cmd.exe	87
PID 480 wrote to memory of 3204	480	cmd.exe	87
PID 2384 wrote to memory of 3552	2384	cmd.exe	88
PID 2384 wrote to memory of 3552	2384	cmd.exe	88

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Processes:

attrib.exeattrib.exe

pid	Process
3204	attrib.exe
3552	attrib.exe

C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe
"C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:60
- C:\Users\Admin\AppData\Roaming\SetupOem\Alg
  C:\Users\Admin\AppData\Roaming\SetupOem\Alg /go
  2⤵
  - Executes dropped EXE
  - Modifies extensions of user files
  - Suspicious use of WriteProcessMemory
  PID:348
- - C:\Windows\SYSTEM32\cmd.exe
    cmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Roaming\SetupOem\Alg" & del "C:\Users\Admin\AppData\Roaming\SetupOem\Alg" & rd "C:\Users\Admin\AppData\Roaming\SetupOem\"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2384
  - - C:\Windows\system32\waitfor.exe
      waitfor /t 10 pause /d y
      4⤵
      PID:3576
  - - C:\Windows\system32\attrib.exe
      attrib -h "C:\Users\Admin\AppData\Roaming\SetupOem\Alg"
      4⤵
      Views/modifies file attributes
      PID:3552
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:480
- - C:\Windows\system32\waitfor.exe
    waitfor /t 10 pause /d y
    3⤵
    PID:736
- - C:\Windows\system32\attrib.exe
    attrib -h "C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe"
    3⤵
    - Views/modifies file attributes
    PID:3204

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\SetupOem\Alg

MD5
d86f451bbff804e59a549f9fb33d6e3f

SHA1
3cb0cb07cc2542f1d98060adccda726ea865db98

SHA256
008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549

SHA512
c86ad7e1d5c445d4de9866faab578b2eb04f72ffef4fac380b7164003471b4b48b09772e735ea15205e2ab4a1f4d194d188cdeb12c7199d0824ddaba393dcaa2

Download Submit
C:\Users\Admin\AppData\Roaming\SetupOem\Alg

MD5
d86f451bbff804e59a549f9fb33d6e3f

SHA1
3cb0cb07cc2542f1d98060adccda726ea865db98

SHA256
008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549

SHA512
c86ad7e1d5c445d4de9866faab578b2eb04f72ffef4fac380b7164003471b4b48b09772e735ea15205e2ab4a1f4d194d188cdeb12c7199d0824ddaba393dcaa2

Download Submit
memory/60-5-0x00000000021F0000-0x00000000023B0000-memory.dmp

Filesize
1.8MB

Download
memory/348-2-0x0000000000000000-mapping.dmp

Download
memory/480-8-0x0000000000000000-mapping.dmp

Download
memory/736-10-0x0000000000000000-mapping.dmp

Download
memory/2384-7-0x0000000000000000-mapping.dmp

Download
memory/3204-11-0x0000000000000000-mapping.dmp

Download
memory/3552-12-0x0000000000000000-mapping.dmp

Download
memory/3576-9-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads