e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0

General

Target

e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe
Size

224KB
MD5

07373b24d644d8d5a69836738404a555
SHA1

10eadfbfafe5d3b0ee9cfcca062192be56b447a1
SHA256

e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0
SHA512

9d220bed270853c1f0cde5384ece111908130f052bf7b5879c03fd129a11e1aaab5f49e5e867d141ea4bb7b72d353554a1c86a8b985bc7cf671af289a58dfae2

Score

9^/10

cryptone packer persistence

Malware Config

Signatures

CryptOne packer 6 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
behavioral1/memory/960-63-0x0000000000400000-0x0000000000456000-memory.dmp	cryptone
behavioral1/memory/588-64-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/664-68-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/664-69-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/664-70-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone
behavioral1/memory/664-79-0x0000000000080000-0x00000000000A9000-memory.dmp	cryptone

Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

664 notepad.exe

pid	process
664	notepad.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

notepad.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\Xjzmzj = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Xjzmzj.exe"	notepad.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\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-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run	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)	\??\S:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\B:	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)	\??\L:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\H:	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)	\??\R:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\D:	notepad.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe

description	pid	process	target process
PID 960 set thread context of 1124	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

svchost.exee4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe

pid process

588 svchost.exe
1124 e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe

pid	process
588	svchost.exe
1124	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exesvchost.execalc.exenotepad.exe

description	pid	process
Token: SeDebugPrivilege	1124	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe
Token: SeDebugPrivilege	588	svchost.exe
Token: SeDebugPrivilege	700	calc.exe
Token: SeDebugPrivilege	664	notepad.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exesvchost.exee4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe

description	pid	process	target process
PID 960 wrote to memory of 588	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	svchost.exe
PID 960 wrote to memory of 588	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	svchost.exe
PID 960 wrote to memory of 588	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	svchost.exe
PID 960 wrote to memory of 588	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	svchost.exe
PID 960 wrote to memory of 700	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	calc.exe
PID 960 wrote to memory of 700	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	calc.exe
PID 960 wrote to memory of 700	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	calc.exe
PID 960 wrote to memory of 700	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	calc.exe
PID 960 wrote to memory of 588	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	svchost.exe
PID 960 wrote to memory of 700	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	calc.exe
PID 960 wrote to memory of 700	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	calc.exe
PID 588 wrote to memory of 664	588	svchost.exe	notepad.exe
PID 588 wrote to memory of 664	588	svchost.exe	notepad.exe
PID 588 wrote to memory of 664	588	svchost.exe	notepad.exe
PID 588 wrote to memory of 664	588	svchost.exe	notepad.exe
PID 588 wrote to memory of 664	588	svchost.exe	notepad.exe
PID 960 wrote to memory of 1124	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe
PID 960 wrote to memory of 1124	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe
PID 960 wrote to memory of 1124	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe
PID 960 wrote to memory of 1124	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe
PID 960 wrote to memory of 1124	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe
PID 960 wrote to memory of 1124	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe
PID 960 wrote to memory of 1124	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe
PID 960 wrote to memory of 1124	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe
PID 960 wrote to memory of 1124	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe
PID 960 wrote to memory of 1124	960	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe
PID 1124 wrote to memory of 588	1124	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	svchost.exe
PID 1124 wrote to memory of 588	1124	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	svchost.exe
PID 1124 wrote to memory of 700	1124	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	calc.exe
PID 1124 wrote to memory of 700	1124	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	calc.exe
PID 1124 wrote to memory of 664	1124	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	notepad.exe
PID 1124 wrote to memory of 664	1124	e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe
"C:\Users\Admin\AppData\Local\Temp\e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:960

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:588

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:664

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:700

C:\Users\Admin\AppData\Local\Temp\e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe
"C:\Users\Admin\AppData\Local\Temp\e4c55dc882cf54a79a44eb8f4170e78dd9cc659d279419d8205382fd51724bf0.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1124

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/588-81-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/588-102-0x0000000000250000-0x000000000029E000-memory.dmp

Filesize
312KB

Download
memory/588-106-0x0000000000250000-0x000000000029E000-memory.dmp

Filesize
312KB

Download
memory/588-124-0x0000000000250000-0x000000000029E000-memory.dmp

Filesize
312KB

Download
memory/588-118-0x0000000000250000-0x000000000029E000-memory.dmp

Filesize
312KB

Download
memory/588-108-0x0000000000250000-0x000000000029E000-memory.dmp

Filesize
312KB

Download
memory/588-58-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/588-94-0x0000000000250000-0x000000000029E000-memory.dmp

Filesize
312KB

Download
memory/588-64-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/588-98-0x0000000000250000-0x000000000029E000-memory.dmp

Filesize
312KB

Download
memory/588-88-0x0000000000250000-0x000000000029E000-memory.dmp

Filesize
312KB

Download
memory/588-85-0x0000000000250000-0x000000000029E000-memory.dmp

Filesize
312KB

Download
memory/664-126-0x0000000000120000-0x000000000016E000-memory.dmp

Filesize
312KB

Download
memory/664-96-0x0000000000120000-0x000000000016E000-memory.dmp

Filesize
312KB

Download
memory/664-225-0x00000000744B0000-0x00000000744F4000-memory.dmp

Filesize
272KB

Download
memory/664-218-0x0000000000120000-0x000000000016E000-memory.dmp

Filesize
312KB

Download
memory/664-104-0x0000000000120000-0x000000000016E000-memory.dmp

Filesize
312KB

Download
memory/664-122-0x0000000000120000-0x000000000016E000-memory.dmp

Filesize
312KB

Download
memory/664-128-0x0000000000120000-0x000000000016E000-memory.dmp

Filesize
312KB

Download
memory/664-116-0x0000000000120000-0x000000000016E000-memory.dmp

Filesize
312KB

Download
memory/664-79-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/664-71-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/664-70-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/664-69-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/664-68-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/664-120-0x0000000000120000-0x000000000016E000-memory.dmp

Filesize
312KB

Download
memory/700-119-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-111-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-65-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/700-226-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-103-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-60-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/700-115-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-121-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-90-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-101-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-59-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/700-117-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-105-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-107-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-127-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-97-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-125-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-113-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-123-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/700-114-0x0000000000280000-0x00000000002CE000-memory.dmp

Filesize
312KB

Download
memory/960-56-0x0000000000260000-0x0000000000279000-memory.dmp

Filesize
100KB

Download
memory/960-54-0x00000000751B1000-0x00000000751B3000-memory.dmp

Filesize
8KB

Download
memory/960-57-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/960-55-0x00000000001C0000-0x00000000001C4000-memory.dmp

Filesize
16KB

Download
memory/960-63-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1124-75-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1124-76-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1124-77-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1124-74-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1124-80-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1124-72-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1124-73-0x0000000000400000-0x000000000044E000-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