fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919

General

Target

fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
Size

251KB
MD5

026b22124c55846355333fae9b37e7c0
SHA1

cba0f5c9cb141e9426f8a1adcd25798a06ce00af
SHA256

fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919
SHA512

2d14376a28d4e6fb7d91cb8608c269a97684daae4b2ccb179bc7d889b53a7cec6bf32982595f5aa9c923b529797a3adbb7ed0e2e8ed919d4e564594d3135ac8b
SSDEEP

3072:Udv30e0Ld3boyhCZtb3GzxFjT40CDBbtYQ+x3yFS/t0Sn2GuroQfBRbD:UOLd3Pzrj8VDBbGQgImlNeoa

Score

9^/10

cryptone packer persistence

Malware Config

Signatures

CryptOne packer 10 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
behavioral1/memory/1068-58-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1068-60-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1068-61-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1068-64-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1068-63-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1896-80-0x00000000006A0000-0x00000000006C9000-memory.dmp	cryptone
behavioral1/memory/1896-79-0x00000000006A0000-0x00000000006C9000-memory.dmp	cryptone
behavioral1/memory/1896-78-0x00000000006A0000-0x00000000006C9000-memory.dmp	cryptone
behavioral1/memory/1068-94-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1464-98-0x0000000000080000-0x00000000000A9000-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\Yydydw = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Yydydw.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:

mspaint.exesvchost.exe

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exefb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

description	pid	process	target process
PID 1816 set thread context of 1068	1816	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1068 set thread context of 588	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exesvchost.exefb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

pid	process
1816	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
1816	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
1464	svchost.exe
588	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

pid process

1068 fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

pid	process
1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exesvchost.exemspaint.exe

description	pid	process
Token: SeDebugPrivilege	588	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
Token: SeDebugPrivilege	1464	svchost.exe
Token: SeDebugPrivilege	1896	mspaint.exe

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exefb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exesvchost.exefb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe

description	pid	process	target process
PID 1816 wrote to memory of 1068	1816	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1816 wrote to memory of 1068	1816	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1816 wrote to memory of 1068	1816	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1816 wrote to memory of 1068	1816	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1816 wrote to memory of 1068	1816	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1816 wrote to memory of 1068	1816	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1816 wrote to memory of 1068	1816	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1816 wrote to memory of 1068	1816	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1816 wrote to memory of 1068	1816	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1816 wrote to memory of 1068	1816	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1816 wrote to memory of 1068	1816	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1068 wrote to memory of 1464	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	svchost.exe
PID 1068 wrote to memory of 1464	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	svchost.exe
PID 1068 wrote to memory of 1464	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	svchost.exe
PID 1068 wrote to memory of 1464	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	svchost.exe
PID 1068 wrote to memory of 1464	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	svchost.exe
PID 1464 wrote to memory of 1896	1464	svchost.exe	mspaint.exe
PID 1464 wrote to memory of 1896	1464	svchost.exe	mspaint.exe
PID 1464 wrote to memory of 1896	1464	svchost.exe	mspaint.exe
PID 1464 wrote to memory of 1896	1464	svchost.exe	mspaint.exe
PID 1464 wrote to memory of 1896	1464	svchost.exe	mspaint.exe
PID 1068 wrote to memory of 588	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1068 wrote to memory of 588	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1068 wrote to memory of 588	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1068 wrote to memory of 588	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1068 wrote to memory of 588	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1068 wrote to memory of 588	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1068 wrote to memory of 588	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1068 wrote to memory of 588	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1068 wrote to memory of 588	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 1068 wrote to memory of 588	1068	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
PID 588 wrote to memory of 1988	588	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	calc.exe
PID 588 wrote to memory of 1988	588	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	calc.exe
PID 588 wrote to memory of 1464	588	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	svchost.exe
PID 588 wrote to memory of 1464	588	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	svchost.exe
PID 588 wrote to memory of 1896	588	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	mspaint.exe
PID 588 wrote to memory of 1896	588	fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe	mspaint.exe

C:\Users\Admin\AppData\Local\Temp\fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
"C:\Users\Admin\AppData\Local\Temp\fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1816

C:\Users\Admin\AppData\Local\Temp\fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
"C:\Users\Admin\AppData\Local\Temp\fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1068

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
3⤵
PID:1988

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:1464

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:1896

C:\Users\Admin\AppData\Local\Temp\fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe
"C:\Users\Admin\AppData\Local\Temp\fb7756ccf5af47fbc4d06c1b6252822d22d88bf6bc3627b65edae923f859f919.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:588

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/588-115-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/588-96-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/588-83-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/588-87-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/588-82-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/588-91-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/588-92-0x0000000000410910-mapping.dmp

Download
memory/588-89-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/588-85-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/588-97-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1068-65-0x0000000000404BF0-mapping.dmp

Download
memory/1068-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1068-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1068-68-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

Download
memory/1068-64-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1068-94-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1068-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1068-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1068-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1068-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1464-71-0x0000000000000000-mapping.dmp

Download
memory/1464-108-0x0000000000230000-0x000000000027E000-memory.dmp

Filesize
312KB

Download
memory/1464-263-0x0000000000230000-0x000000000027E000-memory.dmp

Filesize
312KB

Download
memory/1464-128-0x0000000000230000-0x000000000027E000-memory.dmp

Filesize
312KB

Download
memory/1464-124-0x0000000000230000-0x000000000027E000-memory.dmp

Filesize
312KB

Download
memory/1464-119-0x0000000000230000-0x000000000027E000-memory.dmp

Filesize
312KB

Download
memory/1464-113-0x0000000000230000-0x000000000027E000-memory.dmp

Filesize
312KB

Download
memory/1464-98-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1464-105-0x0000000000230000-0x000000000027E000-memory.dmp

Filesize
312KB

Download
memory/1816-67-0x0000000000400000-0x00000000004FE000-memory.dmp

Filesize
1016KB

Download
memory/1816-54-0x0000000000400000-0x00000000004FE000-memory.dmp

Filesize
1016KB

Download
memory/1896-77-0x0000000000031000-0x0000000000033000-memory.dmp

Filesize
8KB

Download
memory/1896-112-0x00000000007A0000-0x00000000007EE000-memory.dmp

Filesize
312KB

Download
memory/1896-99-0x00000000006A0000-0x00000000006C9000-memory.dmp

Filesize
164KB

Download
memory/1896-78-0x00000000006A0000-0x00000000006C9000-memory.dmp

Filesize
164KB

Download
memory/1896-80-0x00000000006A0000-0x00000000006C9000-memory.dmp

Filesize
164KB

Download
memory/1896-118-0x00000000007A0000-0x00000000007EE000-memory.dmp

Filesize
312KB

Download
memory/1896-122-0x00000000007A0000-0x00000000007EE000-memory.dmp

Filesize
312KB

Download
memory/1896-81-0x00000000006A0000-0x00000000006C9000-memory.dmp

Filesize
164KB

Download
memory/1896-126-0x00000000007A0000-0x00000000007EE000-memory.dmp

Filesize
312KB

Download
memory/1896-79-0x00000000006A0000-0x00000000006C9000-memory.dmp

Filesize
164KB

Download
memory/1896-262-0x00000000006A0000-0x00000000006C9000-memory.dmp

Filesize
164KB

Download
memory/1896-75-0x0000000000000000-mapping.dmp

Download
memory/1896-264-0x00000000007A0000-0x00000000007EE000-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