548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e

General

Target

548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
Size

211KB
MD5

62650be2c71873cc78d9a8c9500b3c7a
SHA1

8d12976e696b83064a4fb55540c36b52a0cc296a
SHA256

548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e
SHA512

0de93e1fb89931da1d630a021162d100bd991f0631cae42a561e36123a3ad8fd01b2ff88a8ad9624fba8546bbc1ba658b2451234689c01dcb192c6a9b285b71f
SSDEEP

3072:kblLYNrblBWBcywc06lO9a1t8zvIvCghnqj01XUNRD5byFW:wIdw0ZkUzvIagNqj4UjD5uW

Score

9^/10

cryptone packer persistence

Malware Config

Signatures

CryptOne packer 8 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
behavioral2/memory/3680-133-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/3680-139-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/4004-140-0x00000000004F0000-0x0000000000519000-memory.dmp	cryptone
behavioral2/memory/4004-142-0x00000000004F0000-0x0000000000519000-memory.dmp	cryptone
behavioral2/memory/4004-143-0x00000000004F0000-0x0000000000519000-memory.dmp	cryptone
behavioral2/memory/1392-141-0x0000000000390000-0x00000000003B9000-memory.dmp	cryptone
behavioral2/memory/3680-148-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/1392-156-0x0000000000390000-0x00000000003B9000-memory.dmp	cryptone

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mspaint.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Eoaoas = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Eoaoas.exe"	mspaint.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe System Incorporated = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Adobe\\Reader_sl.exe"	svchost.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)	\??\I:	svchost.exe
File opened (read-only)	\??\D:	mspaint.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\F:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe

description	pid	process	target process
PID 4956 set thread context of 3680	4956	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 3680 set thread context of 1396	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exesvchost.exe548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe

pid	process
4956	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
4956	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
4956	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
4956	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
1392	svchost.exe
1392	svchost.exe
1396	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
1396	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
1396	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe

pid process

3680 548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe

pid	process
3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exesvchost.exemspaint.execalc.exe

description	pid	process
Token: SeDebugPrivilege	1396	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
Token: SeDebugPrivilege	1392	svchost.exe
Token: SeDebugPrivilege	4004	mspaint.exe
Token: SeDebugPrivilege	4420	calc.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exesvchost.exe548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe

description	pid	process	target process
PID 4956 wrote to memory of 3680	4956	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 4956 wrote to memory of 3680	4956	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 4956 wrote to memory of 3680	4956	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 4956 wrote to memory of 3680	4956	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 4956 wrote to memory of 3680	4956	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 4956 wrote to memory of 3680	4956	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 4956 wrote to memory of 3680	4956	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 4956 wrote to memory of 3680	4956	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 4956 wrote to memory of 3680	4956	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 4956 wrote to memory of 3680	4956	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 3680 wrote to memory of 1392	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	svchost.exe
PID 3680 wrote to memory of 1392	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	svchost.exe
PID 3680 wrote to memory of 1392	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	svchost.exe
PID 3680 wrote to memory of 1392	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	svchost.exe
PID 3680 wrote to memory of 4420	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	calc.exe
PID 3680 wrote to memory of 4420	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	calc.exe
PID 3680 wrote to memory of 4420	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	calc.exe
PID 3680 wrote to memory of 4420	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	calc.exe
PID 3680 wrote to memory of 4420	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	calc.exe
PID 1392 wrote to memory of 4004	1392	svchost.exe	mspaint.exe
PID 1392 wrote to memory of 4004	1392	svchost.exe	mspaint.exe
PID 1392 wrote to memory of 4004	1392	svchost.exe	mspaint.exe
PID 1392 wrote to memory of 4004	1392	svchost.exe	mspaint.exe
PID 3680 wrote to memory of 1396	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 3680 wrote to memory of 1396	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 3680 wrote to memory of 1396	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 3680 wrote to memory of 1396	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 3680 wrote to memory of 1396	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 3680 wrote to memory of 1396	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 3680 wrote to memory of 1396	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 3680 wrote to memory of 1396	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 3680 wrote to memory of 1396	3680	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
PID 1396 wrote to memory of 1392	1396	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	svchost.exe
PID 1396 wrote to memory of 1392	1396	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	svchost.exe
PID 1396 wrote to memory of 4420	1396	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	calc.exe
PID 1396 wrote to memory of 4420	1396	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	calc.exe
PID 1396 wrote to memory of 4004	1396	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	mspaint.exe
PID 1396 wrote to memory of 4004	1396	548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe	mspaint.exe

C:\Users\Admin\AppData\Local\Temp\548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
"C:\Users\Admin\AppData\Local\Temp\548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4956

C:\Users\Admin\AppData\Local\Temp\548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
"C:\Users\Admin\AppData\Local\Temp\548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3680

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:1392

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:4004

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4420

C:\Users\Admin\AppData\Local\Temp\548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe
"C:\Users\Admin\AppData\Local\Temp\548f712908ed2c8aac2f1f1545aeab0bfbc3353db9ab6035d3d2040b6ecaae9e.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1396

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/1392-141-0x0000000000390000-0x00000000003B9000-memory.dmp

Filesize
164KB

Download
memory/1392-156-0x0000000000390000-0x00000000003B9000-memory.dmp

Filesize
164KB

Download
memory/1392-153-0x00000000003D0000-0x000000000041E000-memory.dmp

Filesize
312KB

Download
memory/1392-136-0x0000000000000000-mapping.dmp

Download
memory/1396-152-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1396-151-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1396-149-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1396-146-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1396-145-0x0000000000000000-mapping.dmp

Download
memory/3680-132-0x0000000000000000-mapping.dmp

Download
memory/3680-148-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3680-133-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3680-139-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4004-138-0x0000000000000000-mapping.dmp

Download
memory/4004-140-0x00000000004F0000-0x0000000000519000-memory.dmp

Filesize
164KB

Download
memory/4004-144-0x00000000004F0000-0x0000000000519000-memory.dmp

Filesize
164KB

Download
memory/4004-150-0x00000000004F0000-0x0000000000519000-memory.dmp

Filesize
164KB

Download
memory/4004-142-0x00000000004F0000-0x0000000000519000-memory.dmp

Filesize
164KB

Download
memory/4004-143-0x00000000004F0000-0x0000000000519000-memory.dmp

Filesize
164KB

Download
memory/4004-155-0x0000000000530000-0x000000000057E000-memory.dmp

Filesize
312KB

Download
memory/4004-157-0x0000000000530000-0x000000000057E000-memory.dmp

Filesize
312KB

Download
memory/4420-154-0x0000000002A60000-0x0000000002AAE000-memory.dmp

Filesize
312KB

Download
memory/4420-137-0x0000000000000000-mapping.dmp

Download
memory/4956-135-0x0000000000540000-0x0000000000554000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads