70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8

General

Target

70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
Size

211KB
MD5

3f68886e4974aa2cda27e7ebd4577488
SHA1

a21326daa72e09db39a61c13258adb9737deac0e
SHA256

70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8
SHA512

7f4e262847795f5371823b1bf5dbcf461774382d03dc8c653fba7b9261a4bbc55c778101e93f20241b41add223d3ed8cddbae3a80c980a846893a3a506f0d732
SSDEEP

3072:WfJ4pUdCdc0E+/tYByANc/sg1WyQmG07nMzHrscxO9xEtobhlL5WN:WfJ4GCdlEQtGaWcGQiLnxO9xEto9lu

Score

9^/10

cryptone packer persistence

Malware Config

Signatures

CryptOne packer 7 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
behavioral2/memory/4844-133-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/4844-136-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/4308-140-0x00000000012B0000-0x00000000012D9000-memory.dmp	cryptone
behavioral2/memory/4308-141-0x00000000012B0000-0x00000000012D9000-memory.dmp	cryptone
behavioral2/memory/4308-142-0x00000000012B0000-0x00000000012D9000-memory.dmp	cryptone
behavioral2/memory/4844-147-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/1776-150-0x0000000000FC0000-0x0000000000FE9000-memory.dmp	cryptone

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exemspaint.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe System Incorporated = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Adobe\\Reader_sl.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wwvrvn = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Wwvrvn.exe"	mspaint.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

svchost.exemspaint.exe

description	ioc	process
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\F:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\D:	mspaint.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe

description	pid	process	target process
PID 1564 set thread context of 4844	1564	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 4844 set thread context of 1548	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exesvchost.exe70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe

pid	process
1564	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
1564	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
1564	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
1564	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
1776	svchost.exe
1776	svchost.exe
1548	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
1548	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
1548	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe

pid process

4844 70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe

pid	process
4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exesvchost.exemspaint.execalc.exe

description	pid	process
Token: SeDebugPrivilege	1548	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
Token: SeDebugPrivilege	1776	svchost.exe
Token: SeDebugPrivilege	4308	mspaint.exe
Token: SeDebugPrivilege	3084	calc.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exesvchost.exe70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe

description	pid	process	target process
PID 1564 wrote to memory of 4844	1564	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 1564 wrote to memory of 4844	1564	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 1564 wrote to memory of 4844	1564	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 1564 wrote to memory of 4844	1564	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 1564 wrote to memory of 4844	1564	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 1564 wrote to memory of 4844	1564	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 1564 wrote to memory of 4844	1564	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 1564 wrote to memory of 4844	1564	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 1564 wrote to memory of 4844	1564	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 1564 wrote to memory of 4844	1564	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 4844 wrote to memory of 1776	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	svchost.exe
PID 4844 wrote to memory of 1776	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	svchost.exe
PID 4844 wrote to memory of 1776	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	svchost.exe
PID 4844 wrote to memory of 1776	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	svchost.exe
PID 4844 wrote to memory of 3084	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	calc.exe
PID 4844 wrote to memory of 3084	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	calc.exe
PID 4844 wrote to memory of 3084	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	calc.exe
PID 4844 wrote to memory of 3084	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	calc.exe
PID 4844 wrote to memory of 3084	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	calc.exe
PID 1776 wrote to memory of 4308	1776	svchost.exe	mspaint.exe
PID 1776 wrote to memory of 4308	1776	svchost.exe	mspaint.exe
PID 1776 wrote to memory of 4308	1776	svchost.exe	mspaint.exe
PID 1776 wrote to memory of 4308	1776	svchost.exe	mspaint.exe
PID 4844 wrote to memory of 1548	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 4844 wrote to memory of 1548	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 4844 wrote to memory of 1548	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 4844 wrote to memory of 1548	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 4844 wrote to memory of 1548	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 4844 wrote to memory of 1548	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 4844 wrote to memory of 1548	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 4844 wrote to memory of 1548	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 4844 wrote to memory of 1548	4844	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
PID 1548 wrote to memory of 1776	1548	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	svchost.exe
PID 1548 wrote to memory of 1776	1548	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	svchost.exe
PID 1548 wrote to memory of 3084	1548	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	calc.exe
PID 1548 wrote to memory of 3084	1548	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	calc.exe
PID 1548 wrote to memory of 4308	1548	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	mspaint.exe
PID 1548 wrote to memory of 4308	1548	70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe	mspaint.exe

C:\Users\Admin\AppData\Local\Temp\70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
"C:\Users\Admin\AppData\Local\Temp\70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1564

C:\Users\Admin\AppData\Local\Temp\70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
"C:\Users\Admin\AppData\Local\Temp\70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4844

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3084

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
3⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776

C:\Windows\SysWOW64\mspaint.exe
"C:\Windows\SysWOW64\mspaint.exe"
4⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:4308

C:\Users\Admin\AppData\Local\Temp\70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe
"C:\Users\Admin\AppData\Local\Temp\70bb37aed4406a1fd15a466095198b562da388a9525e5f6bc6c899ab2b9e9eb8.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1548

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1548-144-0x0000000000000000-mapping.dmp

Download
memory/1548-152-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1548-149-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1548-148-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1548-145-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1564-134-0x0000000002180000-0x0000000002194000-memory.dmp

Filesize
80KB

Download
memory/1776-137-0x0000000000000000-mapping.dmp

Download
memory/1776-153-0x0000000001210000-0x000000000125E000-memory.dmp

Filesize
312KB

Download
memory/1776-150-0x0000000000FC0000-0x0000000000FE9000-memory.dmp

Filesize
164KB

Download
memory/3084-138-0x0000000000000000-mapping.dmp

Download
memory/3084-154-0x0000000002E30000-0x0000000002E7E000-memory.dmp

Filesize
312KB

Download
memory/4308-139-0x0000000000000000-mapping.dmp

Download
memory/4308-140-0x00000000012B0000-0x00000000012D9000-memory.dmp

Filesize
164KB

Download
memory/4308-142-0x00000000012B0000-0x00000000012D9000-memory.dmp

Filesize
164KB

Download
memory/4308-151-0x00000000012B0000-0x00000000012D9000-memory.dmp

Filesize
164KB

Download
memory/4308-143-0x00000000012B0000-0x00000000012D9000-memory.dmp

Filesize
164KB

Download
memory/4308-141-0x00000000012B0000-0x00000000012D9000-memory.dmp

Filesize
164KB

Download
memory/4308-155-0x00000000012F0000-0x000000000133E000-memory.dmp

Filesize
312KB

Download
memory/4308-156-0x00000000012F0000-0x000000000133E000-memory.dmp

Filesize
312KB

Download
memory/4844-132-0x0000000000000000-mapping.dmp

Download
memory/4844-147-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4844-136-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4844-133-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads