1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61

General

Target

1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
Size

258KB
MD5

d97d7777cc2dbf94761a741f98562ce1
SHA1

f142ed9523eb296f616b15434a72998c22048357
SHA256

1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61
SHA512

7a927eaaaf679c26981b9d7190000641a49d11395a2f57c23315a3e12fadc086fad2d67714ac19864eebc3ccbe00fb757432a16cc8e196e435c82de88da4d2eb
SSDEEP

3072:awtEktkLPAy4SgHkDD3F+s0lBDN3CgxgjGPOWvn2AYd1IyzSF2f:ttqapHt/J3hxgjmjsDzSof

Score

9^/10

cryptone packer persistence

Malware Config

Signatures

CryptOne packer 8 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
behavioral2/memory/4640-133-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/3856-140-0x00000000010D0000-0x00000000010F9000-memory.dmp	cryptone
behavioral2/memory/4640-139-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/2344-141-0x0000000000C20000-0x0000000000C49000-memory.dmp	cryptone
behavioral2/memory/3856-142-0x00000000010D0000-0x00000000010F9000-memory.dmp	cryptone
behavioral2/memory/3856-143-0x00000000010D0000-0x00000000010F9000-memory.dmp	cryptone
behavioral2/memory/4640-148-0x0000000000400000-0x0000000000429000-memory.dmp	cryptone
behavioral2/memory/2344-152-0x0000000000C20000-0x0000000000C49000-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-1-5-21-2386679933-1492765628-3466841596-1000\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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Hrspsw = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Hrspsw.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)	\??\V:	svchost.exe
File opened (read-only)	\??\H:	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)	\??\P:	svchost.exe
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\D:	mspaint.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)	\??\G:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe

description	pid	process	target process
PID 4720 set thread context of 4640	4720	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4640 set thread context of 1536	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exesvchost.exe1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe

pid	process
4720	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
4720	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
4720	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
4720	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
2344	svchost.exe
2344	svchost.exe
1536	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
1536	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
1536	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe

pid process

4640 1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe

pid	process
4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exesvchost.execalc.exemspaint.exe

description	pid	process
Token: SeDebugPrivilege	1536	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
Token: SeDebugPrivilege	2344	svchost.exe
Token: SeDebugPrivilege	4048	calc.exe
Token: SeDebugPrivilege	3856	mspaint.exe

Suspicious use of WriteProcessMemory 38 IoCs

Processes:

1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exesvchost.exe1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe

description	pid	process	target process
PID 4720 wrote to memory of 4640	4720	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4720 wrote to memory of 4640	4720	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4720 wrote to memory of 4640	4720	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4720 wrote to memory of 4640	4720	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4720 wrote to memory of 4640	4720	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4720 wrote to memory of 4640	4720	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4720 wrote to memory of 4640	4720	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4720 wrote to memory of 4640	4720	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4720 wrote to memory of 4640	4720	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4720 wrote to memory of 4640	4720	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4640 wrote to memory of 2344	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	svchost.exe
PID 4640 wrote to memory of 2344	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	svchost.exe
PID 4640 wrote to memory of 2344	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	svchost.exe
PID 4640 wrote to memory of 2344	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	svchost.exe
PID 4640 wrote to memory of 4048	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	calc.exe
PID 4640 wrote to memory of 4048	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	calc.exe
PID 4640 wrote to memory of 4048	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	calc.exe
PID 4640 wrote to memory of 4048	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	calc.exe
PID 4640 wrote to memory of 4048	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	calc.exe
PID 2344 wrote to memory of 3856	2344	svchost.exe	mspaint.exe
PID 2344 wrote to memory of 3856	2344	svchost.exe	mspaint.exe
PID 2344 wrote to memory of 3856	2344	svchost.exe	mspaint.exe
PID 2344 wrote to memory of 3856	2344	svchost.exe	mspaint.exe
PID 4640 wrote to memory of 1536	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4640 wrote to memory of 1536	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4640 wrote to memory of 1536	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4640 wrote to memory of 1536	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4640 wrote to memory of 1536	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4640 wrote to memory of 1536	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4640 wrote to memory of 1536	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4640 wrote to memory of 1536	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 4640 wrote to memory of 1536	4640	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
PID 1536 wrote to memory of 2344	1536	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	svchost.exe
PID 1536 wrote to memory of 2344	1536	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	svchost.exe
PID 1536 wrote to memory of 4048	1536	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	calc.exe
PID 1536 wrote to memory of 4048	1536	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	calc.exe
PID 1536 wrote to memory of 3856	1536	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	mspaint.exe
PID 1536 wrote to memory of 3856	1536	1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe	mspaint.exe

C:\Users\Admin\AppData\Local\Temp\1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
"C:\Users\Admin\AppData\Local\Temp\1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4720

C:\Users\Admin\AppData\Local\Temp\1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
"C:\Users\Admin\AppData\Local\Temp\1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4640

C:\Windows\SysWOW64\calc.exe
"C:\Windows\SysWOW64\calc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4048

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:2344

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:3856

C:\Users\Admin\AppData\Local\Temp\1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe
"C:\Users\Admin\AppData\Local\Temp\1aaee3caabfceecbd5c25caa4a1c3d5d7517f0b5b252d2e59367d1aadb400f61.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1536

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

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Downloads

memory/1536-145-0x0000000000000000-mapping.dmp

Download
memory/1536-156-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1536-151-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1536-149-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1536-146-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2344-152-0x0000000000C20000-0x0000000000C49000-memory.dmp

Filesize
164KB

Download
memory/2344-136-0x0000000000000000-mapping.dmp

Download
memory/2344-157-0x0000000000C60000-0x0000000000CAE000-memory.dmp

Filesize
312KB

Download
memory/2344-141-0x0000000000C20000-0x0000000000C49000-memory.dmp

Filesize
164KB

Download
memory/2344-153-0x0000000000C60000-0x0000000000CAE000-memory.dmp

Filesize
312KB

Download
memory/3856-150-0x00000000010D0000-0x00000000010F9000-memory.dmp

Filesize
164KB

Download
memory/3856-155-0x0000000001110000-0x000000000115E000-memory.dmp

Filesize
312KB

Download
memory/3856-138-0x0000000000000000-mapping.dmp

Download
memory/3856-144-0x00000000010D0000-0x00000000010F9000-memory.dmp

Filesize
164KB

Download
memory/3856-143-0x00000000010D0000-0x00000000010F9000-memory.dmp

Filesize
164KB

Download
memory/3856-140-0x00000000010D0000-0x00000000010F9000-memory.dmp

Filesize
164KB

Download
memory/3856-159-0x0000000001110000-0x000000000115E000-memory.dmp

Filesize
312KB

Download
memory/3856-142-0x00000000010D0000-0x00000000010F9000-memory.dmp

Filesize
164KB

Download
memory/4048-137-0x0000000000000000-mapping.dmp

Download
memory/4048-158-0x0000000002C90000-0x0000000002CDE000-memory.dmp

Filesize
312KB

Download
memory/4048-154-0x0000000002C90000-0x0000000002CDE000-memory.dmp

Filesize
312KB

Download
memory/4640-148-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4640-133-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4640-139-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4640-132-0x0000000000000000-mapping.dmp

Download
memory/4720-135-0x00000000014A0000-0x00000000014BA000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads