e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38

General

Target

e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
Size

173KB
MD5

17ea31f59b12985dcb26f6ae6fbed7fb
SHA1

532f83e0a93f8af368da32d08d54b6452e13c107
SHA256

e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38
SHA512

1a4273c8376c4cc7dd2f0eeb97098fe8bf1451eab9de6bbf62d73881885dcda69bb25617543e98cf865414efa00307877cca60b3da698fee7788d94d14f947b9
SSDEEP

3072:3+Fv3GLUtN3kO4AyEymgAeB86rbmkDC8Z0kdBLcqMpWm:3svWQtN3sDi6rbmtq06L9I

Score

9^/10

cryptone packer persistence

Malware Config

Signatures

CryptOne packer 12 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
behavioral1/memory/1416-58-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1416-60-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1416-63-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1416-61-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1416-64-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1416-77-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1276-78-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/1404-84-0x00000000000D0000-0x00000000000F9000-memory.dmp	cryptone
behavioral1/memory/1404-85-0x00000000000D0000-0x00000000000F9000-memory.dmp	cryptone
behavioral1/memory/1404-86-0x00000000000D0000-0x00000000000F9000-memory.dmp	cryptone
behavioral1/memory/1416-99-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1276-328-0x0000000000080000-0x00000000000A9000-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-1-5-21-4063495947-34355257-727531523-1000\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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Iavdvl = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Iavdvl.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)	\??\K:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\D:	mspaint.exe
File opened (read-only)	\??\F:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exee5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe

description	pid	process	target process
PID 1492 set thread context of 1416	1492	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1416 set thread context of 1032	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exesvchost.exee5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe

pid	process
1492	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
1492	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
1276	svchost.exe
1032	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe

pid process

1416 e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe

pid	process
1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exesvchost.execalc.exemspaint.exe

description	pid	process
Token: SeDebugPrivilege	1032	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
Token: SeDebugPrivilege	1276	svchost.exe
Token: SeDebugPrivilege	576	calc.exe
Token: SeDebugPrivilege	1404	mspaint.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exee5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exesvchost.exee5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe

description	pid	process	target process
PID 1492 wrote to memory of 1416	1492	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1492 wrote to memory of 1416	1492	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1492 wrote to memory of 1416	1492	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1492 wrote to memory of 1416	1492	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1492 wrote to memory of 1416	1492	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1492 wrote to memory of 1416	1492	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1492 wrote to memory of 1416	1492	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1492 wrote to memory of 1416	1492	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1492 wrote to memory of 1416	1492	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1492 wrote to memory of 1416	1492	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1492 wrote to memory of 1416	1492	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1416 wrote to memory of 1276	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	svchost.exe
PID 1416 wrote to memory of 1276	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	svchost.exe
PID 1416 wrote to memory of 1276	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	svchost.exe
PID 1416 wrote to memory of 1276	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	svchost.exe
PID 1416 wrote to memory of 576	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	calc.exe
PID 1416 wrote to memory of 576	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	calc.exe
PID 1416 wrote to memory of 576	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	calc.exe
PID 1416 wrote to memory of 576	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	calc.exe
PID 1416 wrote to memory of 576	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	calc.exe
PID 1416 wrote to memory of 576	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	calc.exe
PID 1416 wrote to memory of 1276	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	svchost.exe
PID 1276 wrote to memory of 1404	1276	svchost.exe	mspaint.exe
PID 1276 wrote to memory of 1404	1276	svchost.exe	mspaint.exe
PID 1276 wrote to memory of 1404	1276	svchost.exe	mspaint.exe
PID 1276 wrote to memory of 1404	1276	svchost.exe	mspaint.exe
PID 1276 wrote to memory of 1404	1276	svchost.exe	mspaint.exe
PID 1416 wrote to memory of 1032	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1416 wrote to memory of 1032	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1416 wrote to memory of 1032	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1416 wrote to memory of 1032	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1416 wrote to memory of 1032	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1416 wrote to memory of 1032	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1416 wrote to memory of 1032	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1416 wrote to memory of 1032	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1416 wrote to memory of 1032	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1416 wrote to memory of 1032	1416	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
PID 1032 wrote to memory of 1276	1032	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	svchost.exe
PID 1032 wrote to memory of 1276	1032	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	svchost.exe
PID 1032 wrote to memory of 576	1032	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	calc.exe
PID 1032 wrote to memory of 576	1032	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	calc.exe
PID 1032 wrote to memory of 1404	1032	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	mspaint.exe
PID 1032 wrote to memory of 1404	1032	e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe	mspaint.exe

C:\Users\Admin\AppData\Local\Temp\e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
"C:\Users\Admin\AppData\Local\Temp\e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1492

C:\Users\Admin\AppData\Local\Temp\e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
"C:\Users\Admin\AppData\Local\Temp\e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1416

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:576

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:1276

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:1404

C:\Users\Admin\AppData\Local\Temp\e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe
"C:\Users\Admin\AppData\Local\Temp\e5b5062e453eccd7e46e5884f6f10a26c0214d8d032631b542009d06b84cfb38.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1032

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

Replay Monitor

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Downloads

memory/576-69-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download
memory/576-347-0x00000000005A8000-0x00000000005AA000-memory.dmp

Filesize
8KB

Download
memory/576-345-0x0000000000570000-0x00000000005BE000-memory.dmp

Filesize
312KB

Download
memory/576-121-0x0000000000570000-0x00000000005BE000-memory.dmp

Filesize
312KB

Download
memory/576-127-0x0000000000570000-0x00000000005BE000-memory.dmp

Filesize
312KB

Download
memory/576-72-0x0000000000000000-mapping.dmp

Download
memory/576-117-0x0000000000570000-0x00000000005BE000-memory.dmp

Filesize
312KB

Download
memory/576-104-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download
memory/1032-103-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1032-88-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1032-102-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1032-130-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1032-98-0x0000000000410910-mapping.dmp

Download
memory/1032-97-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1032-95-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1032-93-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1032-91-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1032-89-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1276-116-0x0000000000200000-0x000000000024E000-memory.dmp

Filesize
312KB

Download
memory/1276-344-0x0000000000200000-0x000000000024E000-memory.dmp

Filesize
312KB

Download
memory/1276-128-0x0000000000200000-0x000000000024E000-memory.dmp

Filesize
312KB

Download
memory/1276-113-0x0000000000200000-0x000000000024E000-memory.dmp

Filesize
312KB

Download
memory/1276-111-0x0000000000200000-0x000000000024E000-memory.dmp

Filesize
312KB

Download
memory/1276-122-0x0000000000200000-0x000000000024E000-memory.dmp

Filesize
312KB

Download
memory/1276-328-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1276-78-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1276-73-0x0000000000000000-mapping.dmp

Download
memory/1404-83-0x0000000000661000-0x0000000000663000-memory.dmp

Filesize
8KB

Download
memory/1404-346-0x00000000001A0000-0x00000000001EE000-memory.dmp

Filesize
312KB

Download
memory/1404-86-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/1404-81-0x0000000000000000-mapping.dmp

Download
memory/1404-124-0x00000000001A0000-0x00000000001EE000-memory.dmp

Filesize
312KB

Download
memory/1404-105-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/1404-84-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/1404-85-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/1404-87-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/1416-77-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1416-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1416-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1416-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1416-64-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1416-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1416-65-0x0000000000404BF0-mapping.dmp

Download
memory/1416-99-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1416-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1416-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1492-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download
memory/1492-75-0x0000000000230000-0x0000000000244000-memory.dmp

Filesize
80KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads