822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85

General

Target

822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe
Size

207KB
MD5

a595882631d831d266034cc913cb3c6a
SHA1

4aa6c8e48e6b8ccdb592c07003946bdca9316d75
SHA256

822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85
SHA512

d24e2e597850bf6d9544429d57515be8f39d19d05f329c49c699bedbeb57f92dc6f2a06ba4af9ea2f4223f7553755df38c6c54cdc269398edfbe4941da5badeb
SSDEEP

3072:AksIbF+0KI9gqR+/vJ8se/CLtlMcjX+Io7AlE6jyOAZ2kds5NGG9:R0W9gt9LDT+T7AGulAZ2kUUo

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
behavioral1/memory/1160-64-0x0000000000400000-0x0000000000452000-memory.dmp	cryptone
behavioral1/memory/1996-65-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/1516-71-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/1516-72-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/1516-73-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/1160-87-0x0000000000400000-0x0000000000452000-memory.dmp	cryptone
behavioral1/memory/1996-92-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone

Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

1516 notepad.exe

pid	process
1516	notepad.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exenotepad.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe System Incorporated = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Adobe\\Reader_sl.exe"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run	notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Kxnrnb = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Kxnrnb.exe"	notepad.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.exenotepad.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe

description	pid	process	target process
PID 1160 set thread context of 1168	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

svchost.exe822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe

pid process

1996 svchost.exe
1168 822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe

pid	process
1996	svchost.exe
1168	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exesvchost.execalc.exenotepad.exe

description	pid	process
Token: SeDebugPrivilege	1168	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe
Token: SeDebugPrivilege	1996	svchost.exe
Token: SeDebugPrivilege	1416	calc.exe
Token: SeDebugPrivilege	1516	notepad.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exesvchost.exe822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe

description	pid	process	target process
PID 1160 wrote to memory of 1996	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	svchost.exe
PID 1160 wrote to memory of 1996	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	svchost.exe
PID 1160 wrote to memory of 1996	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	svchost.exe
PID 1160 wrote to memory of 1996	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	svchost.exe
PID 1160 wrote to memory of 1996	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	svchost.exe
PID 1160 wrote to memory of 1416	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	calc.exe
PID 1160 wrote to memory of 1416	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	calc.exe
PID 1160 wrote to memory of 1416	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	calc.exe
PID 1160 wrote to memory of 1416	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	calc.exe
PID 1160 wrote to memory of 1416	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	calc.exe
PID 1160 wrote to memory of 1416	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	calc.exe
PID 1996 wrote to memory of 1516	1996	svchost.exe	notepad.exe
PID 1996 wrote to memory of 1516	1996	svchost.exe	notepad.exe
PID 1996 wrote to memory of 1516	1996	svchost.exe	notepad.exe
PID 1996 wrote to memory of 1516	1996	svchost.exe	notepad.exe
PID 1996 wrote to memory of 1516	1996	svchost.exe	notepad.exe
PID 1160 wrote to memory of 1168	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe
PID 1160 wrote to memory of 1168	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe
PID 1160 wrote to memory of 1168	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe
PID 1160 wrote to memory of 1168	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe
PID 1160 wrote to memory of 1168	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe
PID 1160 wrote to memory of 1168	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe
PID 1160 wrote to memory of 1168	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe
PID 1160 wrote to memory of 1168	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe
PID 1160 wrote to memory of 1168	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe
PID 1160 wrote to memory of 1168	1160	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe
PID 1168 wrote to memory of 1996	1168	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	svchost.exe
PID 1168 wrote to memory of 1996	1168	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	svchost.exe
PID 1168 wrote to memory of 1416	1168	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	calc.exe
PID 1168 wrote to memory of 1416	1168	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	calc.exe
PID 1168 wrote to memory of 1516	1168	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	notepad.exe
PID 1168 wrote to memory of 1516	1168	822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe
"C:\Users\Admin\AppData\Local\Temp\822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1160

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\SysWOW64\notepad.exe
"C:\Windows\SysWOW64\notepad.exe"
3⤵
- Deletes itself
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:1516

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1416

C:\Users\Admin\AppData\Local\Temp\822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe
"C:\Users\Admin\AppData\Local\Temp\822498f3c8d3183053e41e60f2eca060ca82e5c7fa2dbcff0052fdc2cae84f85.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1168

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/1160-63-0x00000000003D0000-0x00000000003E3000-memory.dmp

Filesize
76KB

Download
memory/1160-87-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1160-54-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/1160-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1168-115-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1168-84-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1168-90-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1168-89-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1168-85-0x0000000000410910-mapping.dmp

Download
memory/1168-82-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1168-80-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1168-78-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1168-76-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1168-75-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1416-119-0x00000000001E0000-0x000000000022E000-memory.dmp

Filesize
312KB

Download
memory/1416-102-0x00000000001E0000-0x000000000022E000-memory.dmp

Filesize
312KB

Download
memory/1416-123-0x00000000001E0000-0x000000000022E000-memory.dmp

Filesize
312KB

Download
memory/1416-114-0x00000000001E0000-0x000000000022E000-memory.dmp

Filesize
312KB

Download
memory/1416-131-0x00000000001E0000-0x000000000022E000-memory.dmp

Filesize
312KB

Download
memory/1416-66-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/1416-61-0x0000000000000000-mapping.dmp

Download
memory/1416-332-0x00000000001E0000-0x000000000022E000-memory.dmp

Filesize
312KB

Download
memory/1416-127-0x00000000001E0000-0x000000000022E000-memory.dmp

Filesize
312KB

Download
memory/1416-58-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/1416-106-0x00000000001E0000-0x000000000022E000-memory.dmp

Filesize
312KB

Download
memory/1516-72-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1516-71-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1516-334-0x0000000000150000-0x000000000019E000-memory.dmp

Filesize
312KB

Download
memory/1516-132-0x0000000000150000-0x000000000019E000-memory.dmp

Filesize
312KB

Download
memory/1516-110-0x0000000000150000-0x000000000019E000-memory.dmp

Filesize
312KB

Download
memory/1516-69-0x0000000000000000-mapping.dmp

Download
memory/1516-91-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1516-74-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1516-122-0x0000000000150000-0x000000000019E000-memory.dmp

Filesize
312KB

Download
memory/1516-73-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1996-118-0x0000000000110000-0x000000000015E000-memory.dmp

Filesize
312KB

Download
memory/1996-97-0x0000000000110000-0x000000000015E000-memory.dmp

Filesize
312KB

Download
memory/1996-130-0x0000000000110000-0x000000000015E000-memory.dmp

Filesize
312KB

Download
memory/1996-109-0x0000000000110000-0x000000000015E000-memory.dmp

Filesize
312KB

Download
memory/1996-92-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1996-65-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1996-126-0x0000000000110000-0x000000000015E000-memory.dmp

Filesize
312KB

Download
memory/1996-57-0x0000000000000000-mapping.dmp

Download
memory/1996-55-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1996-333-0x0000000000110000-0x000000000015E000-memory.dmp

Filesize
312KB

Download
memory/1996-100-0x0000000000110000-0x000000000015E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads