329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c

General

Target

329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe
Size

188KB
MD5

36bdf1b16cd1e8f79faf576a5c190309
SHA1

6327266874c35273ad5af61a13e6cb6f22ab64c1
SHA256

329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c
SHA512

6fa4637a7d246dccc6adef0f42f0aee63fa67fc471bae2e6cbb30fe54e6893e47d8ce10d628313d5a8501c831909dd5e63966386ec8e16342229f8942733fe0e
SSDEEP

3072:7P+I5VhHHxhbfdHKB59tCdYXnq1D5KeV:iI5VhHHxhbf9KBjYYXnU

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exevuauna.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	vuauna.exe

Executes dropped EXE 1 IoCs

Processes:

vuauna.exe

pid process

1320 vuauna.exe

pid	process
1320	vuauna.exe

Loads dropped DLL 2 IoCs

Processes:

329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe

pid	process
2012	329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe
2012	329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

vuauna.exe329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /a"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /x"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /y"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /k"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /l"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /o"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /d"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /c"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /b"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /q"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /f"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /t"	vuauna.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\	329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /p"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /e"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /w"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /m"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /z"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /s"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /v"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /n"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /i"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /e"	329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /r"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /u"	vuauna.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /j"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /h"	vuauna.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\vuauna = "C:\\Users\\Admin\\vuauna.exe /g"	vuauna.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

vuauna.exe329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	vuauna.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	vuauna.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exevuauna.exe

pid	process
2012	329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe
1320	vuauna.exe
1320	vuauna.exe
1320	vuauna.exe
1320	vuauna.exe
1320	vuauna.exe
1320	vuauna.exe
1320	vuauna.exe
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1320	vuauna.exe
1320	vuauna.exe
1320	vuauna.exe
1320	vuauna.exe
1320	vuauna.exe
1320	vuauna.exe
1320	vuauna.exe
1320	vuauna.exe
1320	vuauna.exe
1320	vuauna.exe
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1320	vuauna.exe
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1320	vuauna.exe
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1320	vuauna.exe
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1320	vuauna.exe
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1320	vuauna.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exevuauna.exe

pid process

2012 329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe
1320 vuauna.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe

description	pid	process	target process
PID 2012 wrote to memory of 1320	2012	329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe	vuauna.exe
PID 2012 wrote to memory of 1320	2012	329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe	vuauna.exe
PID 2012 wrote to memory of 1320	2012	329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe	vuauna.exe
PID 2012 wrote to memory of 1320	2012	329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe	vuauna.exe

C:\Users\Admin\AppData\Local\Temp\329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe
"C:\Users\Admin\AppData\Local\Temp\329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2012

C:\Users\Admin\vuauna.exe
"C:\Users\Admin\vuauna.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1320

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\vuauna.exe
Filesize
188KB

MD5
36bdf1b16cd1e8f79faf576a5c190309

SHA1
6327266874c35273ad5af61a13e6cb6f22ab64c1

SHA256
329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c

SHA512
6fa4637a7d246dccc6adef0f42f0aee63fa67fc471bae2e6cbb30fe54e6893e47d8ce10d628313d5a8501c831909dd5e63966386ec8e16342229f8942733fe0e

Download Submit
C:\Users\Admin\vuauna.exe
Filesize
188KB

MD5
36bdf1b16cd1e8f79faf576a5c190309

SHA1
6327266874c35273ad5af61a13e6cb6f22ab64c1

SHA256
329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c

SHA512
6fa4637a7d246dccc6adef0f42f0aee63fa67fc471bae2e6cbb30fe54e6893e47d8ce10d628313d5a8501c831909dd5e63966386ec8e16342229f8942733fe0e

Download Submit
\Users\Admin\vuauna.exe
Filesize
188KB

MD5
36bdf1b16cd1e8f79faf576a5c190309

SHA1
6327266874c35273ad5af61a13e6cb6f22ab64c1

SHA256
329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c

SHA512
6fa4637a7d246dccc6adef0f42f0aee63fa67fc471bae2e6cbb30fe54e6893e47d8ce10d628313d5a8501c831909dd5e63966386ec8e16342229f8942733fe0e

Download Submit
\Users\Admin\vuauna.exe
Filesize
188KB

MD5
36bdf1b16cd1e8f79faf576a5c190309

SHA1
6327266874c35273ad5af61a13e6cb6f22ab64c1

SHA256
329e7805d663451b37069a6b510b321e2c3f960f37b68c768485cca7d2af8c3c

SHA512
6fa4637a7d246dccc6adef0f42f0aee63fa67fc471bae2e6cbb30fe54e6893e47d8ce10d628313d5a8501c831909dd5e63966386ec8e16342229f8942733fe0e

Download Submit
memory/1320-59-0x0000000000000000-mapping.dmp

Download
memory/2012-56-0x00000000761E1000-0x00000000761E3000-memory.dmp

Filesize
8KB

Download
memory/2012-63-0x00000000746D1000-0x00000000746D3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads