da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d

General

Target

da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe
Size

40KB
MD5

5a0ecb8ec9c9b27535e7ba82bbf88a5c
SHA1

a40ac8e3a952686dfdd426f8b7a7420fa28d9813
SHA256

da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d
SHA512

c4ba665fbf2c4282d180b975cc55113956c4793c561a9c8841fb62ce49dabd90cc71adc5dde1ce202cb6760c2dac4eb5c0e061fd59f4642b03f4c28a09ab854a
SSDEEP

768:hitbxiMfKAvefJ9PS9MPNrW1WUMZ38TXkY0XfaKrj4MxoviBlUtN1UEMxA5BCc:QvFef3AaWWUMCTwfH8MqslU/VIA7N

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

windspl.exe

pid process

1000 windspl.exe

pid	process
1000	windspl.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
\Windows\SysWOW64\windspl.exe	upx
behavioral1/memory/1788-58-0x0000000000400000-0x0000000000415000-memory.dmp	upx
\Windows\SysWOW64\windspl.exe	upx
C:\Windows\SysWOW64\windspl.exe	upx
C:\Windows\SysWOW64\windspl.exe	upx
behavioral1/memory/1000-62-0x0000000000400000-0x0000000000415000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe

pid	process
1788	da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe
1788	da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exewindspl.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\DsplObjects = "C:\\Windows\\system32\\windspl.exe"	da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	windspl.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	windspl.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\DsplObjects = "C:\\Windows\\system32\\windspl.exe"	windspl.exe

Drops file in System32 directory 4 IoCs

Processes:

windspl.exeda9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe

description	ioc	process
File created	C:\Windows\SysWOW64\windspl.exe	windspl.exe
File opened for modification	C:\Windows\SysWOW64\windspl.exe	da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe
File created	C:\Windows\SysWOW64\windspl.exe	da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe
File opened for modification	C:\Windows\SysWOW64\windspl.exe	windspl.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exewindspl.exe

description	pid	process
Token: SeDebugPrivilege	1788	da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe
Token: SeDebugPrivilege	1000	windspl.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe

description	pid	process	target process
PID 1788 wrote to memory of 1000	1788	da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe	windspl.exe
PID 1788 wrote to memory of 1000	1788	da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe	windspl.exe
PID 1788 wrote to memory of 1000	1788	da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe	windspl.exe
PID 1788 wrote to memory of 1000	1788	da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe	windspl.exe

C:\Users\Admin\AppData\Local\Temp\da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe
"C:\Users\Admin\AppData\Local\Temp\da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\SysWOW64\windspl.exe
"C:\Windows\system32\windspl.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:1000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\windspl.exe

Filesize
40KB

MD5
5a0ecb8ec9c9b27535e7ba82bbf88a5c

SHA1
a40ac8e3a952686dfdd426f8b7a7420fa28d9813

SHA256
da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d

SHA512
c4ba665fbf2c4282d180b975cc55113956c4793c561a9c8841fb62ce49dabd90cc71adc5dde1ce202cb6760c2dac4eb5c0e061fd59f4642b03f4c28a09ab854a

Download Submit
C:\Windows\SysWOW64\windspl.exe

Filesize
40KB

MD5
5a0ecb8ec9c9b27535e7ba82bbf88a5c

SHA1
a40ac8e3a952686dfdd426f8b7a7420fa28d9813

SHA256
da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d

SHA512
c4ba665fbf2c4282d180b975cc55113956c4793c561a9c8841fb62ce49dabd90cc71adc5dde1ce202cb6760c2dac4eb5c0e061fd59f4642b03f4c28a09ab854a

Download Submit
\Windows\SysWOW64\windspl.exe

Filesize
40KB

MD5
5a0ecb8ec9c9b27535e7ba82bbf88a5c

SHA1
a40ac8e3a952686dfdd426f8b7a7420fa28d9813

SHA256
da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d

SHA512
c4ba665fbf2c4282d180b975cc55113956c4793c561a9c8841fb62ce49dabd90cc71adc5dde1ce202cb6760c2dac4eb5c0e061fd59f4642b03f4c28a09ab854a

Download Submit
\Windows\SysWOW64\windspl.exe

Filesize
40KB

MD5
5a0ecb8ec9c9b27535e7ba82bbf88a5c

SHA1
a40ac8e3a952686dfdd426f8b7a7420fa28d9813

SHA256
da9d2326c35bdee12fee7f520f6901f13fc938d65ac099ee8d64377579e7c91d

SHA512
c4ba665fbf2c4282d180b975cc55113956c4793c561a9c8841fb62ce49dabd90cc71adc5dde1ce202cb6760c2dac4eb5c0e061fd59f4642b03f4c28a09ab854a

Download Submit
memory/1000-57-0x0000000000000000-mapping.dmp

Download
memory/1000-62-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1788-54-0x0000000076321000-0x0000000076323000-memory.dmp

Filesize
8KB

Download
memory/1788-58-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads