c18a9a7e3258c2a6633943debc129a4aa997fefcc1bdf85d25dd2dfdb5c87a9e

Analysis

max time kernel
170s
max time network
181s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
03-11-2023 15:12

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General

Target

NEAS.42143903d0dd05e55086b7d891da6df0.exe
Size

204KB
MD5

42143903d0dd05e55086b7d891da6df0
SHA1

35ed3a3d5a349d2f4f8a177df9be6069c373d436
SHA256

c18a9a7e3258c2a6633943debc129a4aa997fefcc1bdf85d25dd2dfdb5c87a9e
SHA512

1ad520741ab531d29fe191bbca25af9a6db4d80c1c92f056b66aca6972178febff53aa04b286ca7773fba9db899f98686b52fa6d8ddd49d8f877a8339cb681bf
SSDEEP

3072:QmyW8S0tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWij:rn54QxL7B9W0c1RCzR/fSmlX

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

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	NEAS.42143903d0dd05e55086b7d891da6df0.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	nmpauf.exe

Executes dropped EXE 1 IoCs

pid	Process
2796	nmpauf.exe

Loads dropped DLL 2 IoCs

pid	Process
2260	NEAS.42143903d0dd05e55086b7d891da6df0.exe
2260	NEAS.42143903d0dd05e55086b7d891da6df0.exe

Adds Run key to start application 2 TTPs 27 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /i"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /s"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /x"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /t"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /f"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /m"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /i"	NEAS.42143903d0dd05e55086b7d891da6df0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /d"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /q"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /n"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /j"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /g"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /l"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /z"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /v"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /y"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /p"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /o"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /h"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /k"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /w"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /b"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /e"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /a"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /r"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /c"	nmpauf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmpauf = "C:\\Users\\Admin\\nmpauf.exe /u"	nmpauf.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2260	NEAS.42143903d0dd05e55086b7d891da6df0.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe
2796	nmpauf.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2260	NEAS.42143903d0dd05e55086b7d891da6df0.exe
2796	nmpauf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2796	2260	NEAS.42143903d0dd05e55086b7d891da6df0.exe	29
PID 2260 wrote to memory of 2796	2260	NEAS.42143903d0dd05e55086b7d891da6df0.exe	29
PID 2260 wrote to memory of 2796	2260	NEAS.42143903d0dd05e55086b7d891da6df0.exe	29
PID 2260 wrote to memory of 2796	2260	NEAS.42143903d0dd05e55086b7d891da6df0.exe	29

C:\Users\Admin\AppData\Local\Temp\NEAS.42143903d0dd05e55086b7d891da6df0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.42143903d0dd05e55086b7d891da6df0.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Users\Admin\nmpauf.exe
  "C:\Users\Admin\nmpauf.exe"
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\nmpauf.exe

Filesize
204KB

MD5
1d11385c7d04792e607dbf660cf3254e

SHA1
845ad39900afba76fcce22e64468712604538320

SHA256
cf41a2036a8227155a6696656460adf4b6770416b0082f5cd3c5faf97ba813d0

SHA512
9dc17790917288c868e07dd9e0d02632f580a1f69d3b719bb0b2ba2f30e2dd5484c277c9fde5c8438807e3be5cb0443a64c484432c072b21d95561383794601f

Download Submit
C:\Users\Admin\nmpauf.exe

Filesize
204KB

MD5
1d11385c7d04792e607dbf660cf3254e

SHA1
845ad39900afba76fcce22e64468712604538320

SHA256
cf41a2036a8227155a6696656460adf4b6770416b0082f5cd3c5faf97ba813d0

SHA512
9dc17790917288c868e07dd9e0d02632f580a1f69d3b719bb0b2ba2f30e2dd5484c277c9fde5c8438807e3be5cb0443a64c484432c072b21d95561383794601f

Download Submit
C:\Users\Admin\nmpauf.exe

Filesize
204KB

MD5
1d11385c7d04792e607dbf660cf3254e

SHA1
845ad39900afba76fcce22e64468712604538320

SHA256
cf41a2036a8227155a6696656460adf4b6770416b0082f5cd3c5faf97ba813d0

SHA512
9dc17790917288c868e07dd9e0d02632f580a1f69d3b719bb0b2ba2f30e2dd5484c277c9fde5c8438807e3be5cb0443a64c484432c072b21d95561383794601f

Download Submit
\Users\Admin\nmpauf.exe

Filesize
204KB

MD5
1d11385c7d04792e607dbf660cf3254e

SHA1
845ad39900afba76fcce22e64468712604538320

SHA256
cf41a2036a8227155a6696656460adf4b6770416b0082f5cd3c5faf97ba813d0

SHA512
9dc17790917288c868e07dd9e0d02632f580a1f69d3b719bb0b2ba2f30e2dd5484c277c9fde5c8438807e3be5cb0443a64c484432c072b21d95561383794601f

Download Submit
\Users\Admin\nmpauf.exe

Filesize
204KB

MD5
1d11385c7d04792e607dbf660cf3254e

SHA1
845ad39900afba76fcce22e64468712604538320

SHA256
cf41a2036a8227155a6696656460adf4b6770416b0082f5cd3c5faf97ba813d0

SHA512
9dc17790917288c868e07dd9e0d02632f580a1f69d3b719bb0b2ba2f30e2dd5484c277c9fde5c8438807e3be5cb0443a64c484432c072b21d95561383794601f

Download Submit