fa848d8b2491636e848a92acb2146bef8801d9fb317b3547198f0acc6eee6f9e

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

Executes dropped EXE 1 IoCs

Processes:

Alg

pid process

2240 Alg

pid	process
2240	Alg

Modifies extensions of user files 10 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

Alg

description	ioc	process
File renamed	C:\Users\Admin\Pictures\EnterSwitch.tif => C:\Users\Admin\Pictures\EnterSwitch.tif.phoenix	Alg
File opened for modification	C:\Users\Admin\Pictures\EnterSwitch.tif.phoenix	Alg
File renamed	C:\Users\Admin\Pictures\StopResolve.tiff => C:\Users\Admin\Pictures\StopResolve.tiff.phoenix	Alg
File opened for modification	C:\Users\Admin\Pictures\StopResolve.tiff.phoenix	Alg
File renamed	C:\Users\Admin\Pictures\CheckpointOpen.tif => C:\Users\Admin\Pictures\CheckpointOpen.tif.phoenix	Alg
File renamed	C:\Users\Admin\Pictures\CopyUnblock.tiff => C:\Users\Admin\Pictures\CopyUnblock.tiff.phoenix	Alg
File opened for modification	C:\Users\Admin\Pictures\CopyUnblock.tiff.phoenix	Alg
File opened for modification	C:\Users\Admin\Pictures\CheckpointOpen.tif.phoenix	Alg
File renamed	C:\Users\Admin\Pictures\TraceDismount.raw => C:\Users\Admin\Pictures\TraceDismount.raw.phoenix	Alg
File opened for modification	C:\Users\Admin\Pictures\TraceDismount.raw.phoenix	Alg

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exeAlgcmd.execmd.exe

description	pid	process	target process
PID 636 wrote to memory of 2240	636	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe	Alg
PID 636 wrote to memory of 2240	636	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe	Alg
PID 2240 wrote to memory of 756	2240	Alg	cmd.exe
PID 2240 wrote to memory of 756	2240	Alg	cmd.exe
PID 636 wrote to memory of 1968	636	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe	cmd.exe
PID 636 wrote to memory of 1968	636	008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe	cmd.exe
PID 756 wrote to memory of 2756	756	cmd.exe	waitfor.exe
PID 756 wrote to memory of 2756	756	cmd.exe	waitfor.exe
PID 1968 wrote to memory of 3508	1968	cmd.exe	waitfor.exe
PID 1968 wrote to memory of 3508	1968	cmd.exe	waitfor.exe
PID 756 wrote to memory of 1148	756	cmd.exe	attrib.exe
PID 756 wrote to memory of 1148	756	cmd.exe	attrib.exe
PID 1968 wrote to memory of 3704	1968	cmd.exe	attrib.exe
PID 1968 wrote to memory of 3704	1968	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1148 attrib.exe
3704 attrib.exe

pid	process
1148	attrib.exe
3704	attrib.exe

C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe
"C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:636

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:2240

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:756

C:\Windows\system32\waitfor.exe
waitfor /t 10 pause /d y
4⤵
PID:2756

C:\Windows\system32\attrib.exe
attrib -h "C:\Users\Admin\AppData\Roaming\SetupOem\Alg"
4⤵
- Views/modifies file attributes
PID:1148

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:1968

C:\Windows\system32\waitfor.exe
waitfor /t 10 pause /d y
3⤵
PID:3508

C:\Windows\system32\attrib.exe
attrib -h "C:\Users\Admin\AppData\Local\Temp\008ec79765325200361d9c93ac35edd430f8b17894ff843268caa5acd6224549.exe"
3⤵
- Views/modifies file attributes
PID:3704

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\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/636-2-0x0000000002100000-0x00000000022C0000-memory.dmp

Filesize
1.8MB

Download
memory/756-7-0x0000000000000000-mapping.dmp

Download
memory/1148-11-0x0000000000000000-mapping.dmp

Download
memory/1968-8-0x0000000000000000-mapping.dmp

Download
memory/2240-3-0x0000000000000000-mapping.dmp

Download
memory/2756-9-0x0000000000000000-mapping.dmp

Download
memory/3508-10-0x0000000000000000-mapping.dmp

Download
memory/3704-12-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads