046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8

General

Target

046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
Size

228KB
MD5

a6fb1262525f863430735b4d0def9f98
SHA1

25f4bbc41f8b3e6d10b583a756ebe5b94c4759b7
SHA256

046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8
SHA512

68d86a91f0a16fe58b3c61fb4e9c076e9dbc002a5b6005559d09fcc7ffe2271aa5d05f840573114734f3227a583bd77dd973aa32e8c3cc8eb0d87373bcd348b1
SSDEEP

3072:y0L6J2yckO/k0FpvZDJ47ZA39SiryydT4lh:nL/k0FpdJ+A3nyqU

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/2264-133-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/2264-136-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/4808-140-0x00000000006B0000-0x00000000006D9000-memory.dmp	cryptone
behavioral2/memory/4808-141-0x00000000006B0000-0x00000000006D9000-memory.dmp	cryptone
behavioral2/memory/4808-142-0x00000000006B0000-0x00000000006D9000-memory.dmp	cryptone
behavioral2/memory/1224-147-0x00000000008A0000-0x00000000008C9000-memory.dmp	cryptone
behavioral2/memory/2264-150-0x0000000000400000-0x0000000000429000-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-1-5-21-2891029575-1462575-1165213807-1000\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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Putpte = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Putpte.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)	\??\Q:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\F:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\D:	mspaint.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe

description	pid	process	target process
PID 4264 set thread context of 2264	4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 2264 set thread context of 4272	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exesvchost.exe046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe

pid	process
4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
1224	svchost.exe
1224	svchost.exe
4272	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
4272	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
4272	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe

pid process

2264 046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe

pid	process
2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exesvchost.execalc.exemspaint.exe

description	pid	process
Token: 33	4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
Token: SeIncBasePriorityPrivilege	4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
Token: SeDebugPrivilege	4272	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
Token: SeDebugPrivilege	1224	svchost.exe
Token: SeDebugPrivilege	2912	calc.exe
Token: SeDebugPrivilege	4808	mspaint.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exesvchost.exe046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe

description	pid	process	target process
PID 4264 wrote to memory of 2264	4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 4264 wrote to memory of 2264	4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 4264 wrote to memory of 2264	4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 4264 wrote to memory of 2264	4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 4264 wrote to memory of 2264	4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 4264 wrote to memory of 2264	4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 4264 wrote to memory of 2264	4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 4264 wrote to memory of 2264	4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 4264 wrote to memory of 2264	4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 4264 wrote to memory of 2264	4264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 2264 wrote to memory of 1224	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	svchost.exe
PID 2264 wrote to memory of 1224	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	svchost.exe
PID 2264 wrote to memory of 1224	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	svchost.exe
PID 2264 wrote to memory of 1224	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	svchost.exe
PID 2264 wrote to memory of 2912	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	calc.exe
PID 2264 wrote to memory of 2912	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	calc.exe
PID 2264 wrote to memory of 2912	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	calc.exe
PID 2264 wrote to memory of 2912	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	calc.exe
PID 2264 wrote to memory of 2912	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	calc.exe
PID 1224 wrote to memory of 4808	1224	svchost.exe	mspaint.exe
PID 1224 wrote to memory of 4808	1224	svchost.exe	mspaint.exe
PID 1224 wrote to memory of 4808	1224	svchost.exe	mspaint.exe
PID 1224 wrote to memory of 4808	1224	svchost.exe	mspaint.exe
PID 2264 wrote to memory of 4272	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 2264 wrote to memory of 4272	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 2264 wrote to memory of 4272	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 2264 wrote to memory of 4272	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 2264 wrote to memory of 4272	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 2264 wrote to memory of 4272	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 2264 wrote to memory of 4272	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 2264 wrote to memory of 4272	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 2264 wrote to memory of 4272	2264	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
PID 4272 wrote to memory of 1224	4272	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	svchost.exe
PID 4272 wrote to memory of 1224	4272	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	svchost.exe
PID 4272 wrote to memory of 2912	4272	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	calc.exe
PID 4272 wrote to memory of 2912	4272	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	calc.exe
PID 4272 wrote to memory of 4808	4272	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	mspaint.exe
PID 4272 wrote to memory of 4808	4272	046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe	mspaint.exe

C:\Users\Admin\AppData\Local\Temp\046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
"C:\Users\Admin\AppData\Local\Temp\046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4264

C:\Users\Admin\AppData\Local\Temp\046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
"C:\Users\Admin\AppData\Local\Temp\046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2264

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:1224

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:4808

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2912

C:\Users\Admin\AppData\Local\Temp\046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe
"C:\Users\Admin\AppData\Local\Temp\046b313759086c63638af6e7a6d9786c701ccc131e5b6724e1f9b53a47e604f8.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4272

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/1224-147-0x00000000008A0000-0x00000000008C9000-memory.dmp

Filesize
164KB

Download
memory/1224-137-0x0000000000000000-mapping.dmp

Download
memory/1224-153-0x00000000008E0000-0x000000000092E000-memory.dmp

Filesize
312KB

Download
memory/2264-133-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2264-136-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2264-150-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2264-132-0x0000000000000000-mapping.dmp

Download
memory/2912-138-0x0000000000000000-mapping.dmp

Download
memory/2912-154-0x0000000002EE0000-0x0000000002F2E000-memory.dmp

Filesize
312KB

Download
memory/4264-134-0x00000000007F0000-0x0000000000804000-memory.dmp

Filesize
80KB

Download
memory/4272-148-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4272-144-0x0000000000000000-mapping.dmp

Download
memory/4272-145-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4272-151-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4272-152-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4808-143-0x00000000006B0000-0x00000000006D9000-memory.dmp

Filesize
164KB

Download
memory/4808-149-0x00000000006B0000-0x00000000006D9000-memory.dmp

Filesize
164KB

Download
memory/4808-142-0x00000000006B0000-0x00000000006D9000-memory.dmp

Filesize
164KB

Download
memory/4808-141-0x00000000006B0000-0x00000000006D9000-memory.dmp

Filesize
164KB

Download
memory/4808-140-0x00000000006B0000-0x00000000006D9000-memory.dmp

Filesize
164KB

Download
memory/4808-139-0x0000000000000000-mapping.dmp

Download
memory/4808-155-0x00000000006F0000-0x000000000073E000-memory.dmp

Filesize
312KB

Download
memory/4808-156-0x00000000006F0000-0x000000000073E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads