103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082

General

Target

103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
Size

292KB
MD5

da6befbc930bd34a50de57cdc863bfa1
SHA1

67a534abc079409435546184f5faab06285759bf
SHA256

103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082
SHA512

f3031f2ff0971153043afeebc56eb9fc021be3d86fce80f662745b066233b6092165251c7f38773e1b426beea6d3bb86fd0f2732312927c47017f174cadab057
SSDEEP

3072:NZdTTTcoPUQIeWeb6P4TX3IQSoHaZyiE6oIIdAX1O4wqP+KAfG3dMhWXsLdb:LdTPNPkeWeGP4DW3IdG1O0+1e2hWXsx

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
behavioral2/memory/1836-133-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/4952-139-0x0000000000CE0000-0x0000000000D09000-memory.dmp	cryptone
behavioral2/memory/4952-140-0x0000000000CE0000-0x0000000000D09000-memory.dmp	cryptone
behavioral2/memory/4952-141-0x0000000000CE0000-0x0000000000D09000-memory.dmp	cryptone
behavioral2/memory/1836-146-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/4960-149-0x0000000000C00000-0x0000000000C29000-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-1-5-21-2629973501-4017243118-3254762364-1000\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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vlsksf = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Vlsksf.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)	\??\I:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\W:	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)	\??\K:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\B:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\D:	mspaint.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe

description	pid	process	target process
PID 1828 set thread context of 1836	1828	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1836 set thread context of 3680	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exesvchost.exe103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe

pid	process
1828	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
1828	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
1828	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
1828	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
4960	svchost.exe
4960	svchost.exe
3680	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
3680	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
3680	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe

pid process

1836 103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe

pid	process
1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exesvchost.exemspaint.execalc.exe

description	pid	process
Token: SeDebugPrivilege	3680	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
Token: SeDebugPrivilege	4960	svchost.exe
Token: SeDebugPrivilege	4952	mspaint.exe
Token: SeDebugPrivilege	512	calc.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exesvchost.exe103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe

description	pid	process	target process
PID 1828 wrote to memory of 1836	1828	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1828 wrote to memory of 1836	1828	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1828 wrote to memory of 1836	1828	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1828 wrote to memory of 1836	1828	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1828 wrote to memory of 1836	1828	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1828 wrote to memory of 1836	1828	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1828 wrote to memory of 1836	1828	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1828 wrote to memory of 1836	1828	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1828 wrote to memory of 1836	1828	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1828 wrote to memory of 1836	1828	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1836 wrote to memory of 4960	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	svchost.exe
PID 1836 wrote to memory of 4960	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	svchost.exe
PID 1836 wrote to memory of 4960	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	svchost.exe
PID 1836 wrote to memory of 4960	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	svchost.exe
PID 1836 wrote to memory of 512	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	calc.exe
PID 1836 wrote to memory of 512	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	calc.exe
PID 1836 wrote to memory of 512	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	calc.exe
PID 1836 wrote to memory of 512	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	calc.exe
PID 1836 wrote to memory of 512	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	calc.exe
PID 4960 wrote to memory of 4952	4960	svchost.exe	mspaint.exe
PID 4960 wrote to memory of 4952	4960	svchost.exe	mspaint.exe
PID 4960 wrote to memory of 4952	4960	svchost.exe	mspaint.exe
PID 4960 wrote to memory of 4952	4960	svchost.exe	mspaint.exe
PID 1836 wrote to memory of 3680	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1836 wrote to memory of 3680	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1836 wrote to memory of 3680	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1836 wrote to memory of 3680	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1836 wrote to memory of 3680	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1836 wrote to memory of 3680	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1836 wrote to memory of 3680	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1836 wrote to memory of 3680	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 1836 wrote to memory of 3680	1836	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
PID 3680 wrote to memory of 4960	3680	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	svchost.exe
PID 3680 wrote to memory of 4960	3680	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	svchost.exe
PID 3680 wrote to memory of 512	3680	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	calc.exe
PID 3680 wrote to memory of 512	3680	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	calc.exe
PID 3680 wrote to memory of 4952	3680	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	mspaint.exe
PID 3680 wrote to memory of 4952	3680	103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe	mspaint.exe

C:\Users\Admin\AppData\Local\Temp\103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
"C:\Users\Admin\AppData\Local\Temp\103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1828

C:\Users\Admin\AppData\Local\Temp\103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
"C:\Users\Admin\AppData\Local\Temp\103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1836

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:512

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:4960

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:4952

C:\Users\Admin\AppData\Local\Temp\103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe
"C:\Users\Admin\AppData\Local\Temp\103a5f30217bb4e6e0eb9469d1129ad8b2f10095b37e681c99817f06678e6082.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3680

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/512-153-0x0000000002A10000-0x0000000002A5E000-memory.dmp

Filesize
312KB

Download
memory/512-137-0x0000000000000000-mapping.dmp

Download
memory/1828-134-0x00000000006E0000-0x00000000006F4000-memory.dmp

Filesize
80KB

Download
memory/1836-133-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1836-132-0x0000000000000000-mapping.dmp

Download
memory/1836-146-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3680-144-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3680-151-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3680-148-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3680-147-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3680-143-0x0000000000000000-mapping.dmp

Download
memory/4952-138-0x0000000000000000-mapping.dmp

Download
memory/4952-142-0x0000000000CE0000-0x0000000000D09000-memory.dmp

Filesize
164KB

Download
memory/4952-141-0x0000000000CE0000-0x0000000000D09000-memory.dmp

Filesize
164KB

Download
memory/4952-140-0x0000000000CE0000-0x0000000000D09000-memory.dmp

Filesize
164KB

Download
memory/4952-150-0x0000000000CE0000-0x0000000000D09000-memory.dmp

Filesize
164KB

Download
memory/4952-139-0x0000000000CE0000-0x0000000000D09000-memory.dmp

Filesize
164KB

Download
memory/4952-154-0x0000000000D20000-0x0000000000D6E000-memory.dmp

Filesize
312KB

Download
memory/4952-155-0x0000000000D20000-0x0000000000D6E000-memory.dmp

Filesize
312KB

Download
memory/4960-149-0x0000000000C00000-0x0000000000C29000-memory.dmp

Filesize
164KB

Download
memory/4960-152-0x0000000000C40000-0x0000000000C8E000-memory.dmp

Filesize
312KB

Download
memory/4960-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads