a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81

General

Target

a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
Size

188KB
MD5

ae34e06cc62db8aa9dc426456d4c9b81
SHA1

388cff1ca9eaf29fff5e78f7ecc13b104117462c
SHA256

a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81
SHA512

2c68c3a2edfb42ef8be6612288d65173d819c20161038f75a1b4653769e7b7488d5a8bb29cea7aa90f8887e9563343b8c114ff860b5a3fd1e4786cb3dbb899a6
SSDEEP

3072:AuqBVLTA8iVUH/XsQMqFr9tXhRcEme9zwLcCgCg+bDK176FsfpJCsO2x4I6:AuqBNTANVAXzr9aWzwLpxg+bCJfn3Q

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/632-58-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/632-60-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/632-61-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/632-63-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/632-64-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/632-69-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/632-70-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/684-84-0x00000000000C0000-0x00000000000E9000-memory.dmp	cryptone
behavioral1/memory/684-85-0x00000000000C0000-0x00000000000E9000-memory.dmp	cryptone
behavioral1/memory/684-86-0x00000000000C0000-0x00000000000E9000-memory.dmp	cryptone
behavioral1/memory/632-104-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral1/memory/1336-98-0x00000000000E0000-0x0000000000109000-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-1-5-21-3385717845-2518323428-350143044-1000\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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ojvzvn = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Ojvzvn.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)	\??\F:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\V:	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)	\??\N:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\D:	mspaint.exe
File opened (read-only)	\??\H:	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)	\??\Y:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exea9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe

description	pid	process	target process
PID 1168 set thread context of 632	1168	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 632 set thread context of 1572	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exesvchost.exea9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe

pid	process
1168	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
1168	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
1336	svchost.exe
1572	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe

pid process

632 a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe

pid	process
632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exesvchost.execalc.exemspaint.exe

description	pid	process
Token: SeDebugPrivilege	1572	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
Token: SeDebugPrivilege	1336	svchost.exe
Token: SeDebugPrivilege	1172	calc.exe
Token: SeDebugPrivilege	684	mspaint.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exea9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exesvchost.exea9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe

description	pid	process	target process
PID 1168 wrote to memory of 632	1168	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 1168 wrote to memory of 632	1168	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 1168 wrote to memory of 632	1168	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 1168 wrote to memory of 632	1168	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 1168 wrote to memory of 632	1168	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 1168 wrote to memory of 632	1168	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 1168 wrote to memory of 632	1168	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 1168 wrote to memory of 632	1168	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 1168 wrote to memory of 632	1168	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 1168 wrote to memory of 632	1168	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 1168 wrote to memory of 632	1168	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 632 wrote to memory of 1336	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	svchost.exe
PID 632 wrote to memory of 1336	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	svchost.exe
PID 632 wrote to memory of 1336	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	svchost.exe
PID 632 wrote to memory of 1336	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	svchost.exe
PID 632 wrote to memory of 1336	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	svchost.exe
PID 632 wrote to memory of 1172	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	calc.exe
PID 632 wrote to memory of 1172	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	calc.exe
PID 632 wrote to memory of 1172	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	calc.exe
PID 632 wrote to memory of 1172	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	calc.exe
PID 632 wrote to memory of 1172	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	calc.exe
PID 632 wrote to memory of 1172	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	calc.exe
PID 1336 wrote to memory of 684	1336	svchost.exe	mspaint.exe
PID 1336 wrote to memory of 684	1336	svchost.exe	mspaint.exe
PID 1336 wrote to memory of 684	1336	svchost.exe	mspaint.exe
PID 1336 wrote to memory of 684	1336	svchost.exe	mspaint.exe
PID 1336 wrote to memory of 684	1336	svchost.exe	mspaint.exe
PID 632 wrote to memory of 1572	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 632 wrote to memory of 1572	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 632 wrote to memory of 1572	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 632 wrote to memory of 1572	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 632 wrote to memory of 1572	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 632 wrote to memory of 1572	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 632 wrote to memory of 1572	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 632 wrote to memory of 1572	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 632 wrote to memory of 1572	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 632 wrote to memory of 1572	632	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
PID 1572 wrote to memory of 1336	1572	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	svchost.exe
PID 1572 wrote to memory of 1336	1572	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	svchost.exe
PID 1572 wrote to memory of 1172	1572	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	calc.exe
PID 1572 wrote to memory of 1172	1572	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	calc.exe
PID 1572 wrote to memory of 684	1572	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	mspaint.exe
PID 1572 wrote to memory of 684	1572	a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe	mspaint.exe

C:\Users\Admin\AppData\Local\Temp\a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
"C:\Users\Admin\AppData\Local\Temp\a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1168

C:\Users\Admin\AppData\Local\Temp\a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
"C:\Users\Admin\AppData\Local\Temp\a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:632

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:1336

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:684

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1172

C:\Users\Admin\AppData\Local\Temp\a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe
"C:\Users\Admin\AppData\Local\Temp\a9d23f36c3684bb6c6215139f9baf1aa016b964bd1b0229c81d4fe728318be81.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1572

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/632-70-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/632-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/632-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/632-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/632-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/632-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/632-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/632-64-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/632-65-0x0000000000404BF0-mapping.dmp

Download
memory/632-104-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/632-69-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/684-349-0x0000000000240000-0x000000000028E000-memory.dmp

Filesize
312KB

Download
memory/684-87-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/684-102-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/684-123-0x0000000000240000-0x000000000028E000-memory.dmp

Filesize
312KB

Download
memory/684-81-0x0000000000000000-mapping.dmp

Download
memory/684-83-0x00000000003B1000-0x00000000003B3000-memory.dmp

Filesize
8KB

Download
memory/684-84-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/684-85-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/684-86-0x00000000000C0000-0x00000000000E9000-memory.dmp

Filesize
164KB

Download
memory/684-186-0x0000000000240000-0x000000000028E000-memory.dmp

Filesize
312KB

Download
memory/1168-54-0x0000000074D81000-0x0000000074D83000-memory.dmp

Filesize
8KB

Download
memory/1168-68-0x0000000000230000-0x0000000000244000-memory.dmp

Filesize
80KB

Download
memory/1172-100-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/1172-348-0x0000000000240000-0x000000000028E000-memory.dmp

Filesize
312KB

Download
memory/1172-182-0x0000000000240000-0x000000000028E000-memory.dmp

Filesize
312KB

Download
memory/1172-122-0x0000000000240000-0x000000000028E000-memory.dmp

Filesize
312KB

Download
memory/1172-129-0x0000000000240000-0x000000000028E000-memory.dmp

Filesize
312KB

Download
memory/1172-77-0x0000000000000000-mapping.dmp

Download
memory/1172-74-0x0000000000080000-0x0000000000082000-memory.dmp

Filesize
8KB

Download
memory/1172-116-0x0000000000240000-0x000000000028E000-memory.dmp

Filesize
312KB

Download
memory/1336-73-0x0000000000000000-mapping.dmp

Download
memory/1336-126-0x0000000000120000-0x000000000016E000-memory.dmp

Filesize
312KB

Download
memory/1336-347-0x0000000000120000-0x000000000016E000-memory.dmp

Filesize
312KB

Download
memory/1336-111-0x0000000000120000-0x000000000016E000-memory.dmp

Filesize
312KB

Download
memory/1336-114-0x0000000000120000-0x000000000016E000-memory.dmp

Filesize
312KB

Download
memory/1336-98-0x00000000000E0000-0x0000000000109000-memory.dmp

Filesize
164KB

Download
memory/1336-178-0x0000000000120000-0x000000000016E000-memory.dmp

Filesize
312KB

Download
memory/1336-120-0x0000000000120000-0x000000000016E000-memory.dmp

Filesize
312KB

Download
memory/1572-105-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1572-127-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1572-95-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1572-97-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1572-99-0x0000000000410910-mapping.dmp

Download
memory/1572-93-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1572-91-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1572-106-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1572-89-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1572-88-0x0000000000400000-0x000000000044E000-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