cd2f9988b46cefad6e96badc9e7018805c62af56a616c3d7200a3bec7ab86320

Analysis

max time kernel
173s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2023 17:16

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General

Target

NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
Size

135KB
MD5

2c93c6014e7e24b2253a91a0ed3e5b20
SHA1

ee0dd1e6cf351e1feca39e69cb4896a0d8dbf0bc
SHA256

cd2f9988b46cefad6e96badc9e7018805c62af56a616c3d7200a3bec7ab86320
SHA512

139518c9fb860b5feda545fe3aad5601f2a9d09cbf5cf35e8148609cde42afde52bd6be403956bdc06080667e8b8df03084a4408f12b0af4811f012582da10a2
SSDEEP

1536:4fsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVgyO:4VqoCl/YgjxEufVU0TbTyDDalayO

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-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
1456	explorer.exe
660	spoolsv.exe
3576	svchost.exe
2116	spoolsv.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe
1456	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1456	explorer.exe
3576	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
1456	explorer.exe
1456	explorer.exe
660	spoolsv.exe
660	spoolsv.exe
3576	svchost.exe
3576	svchost.exe
2116	spoolsv.exe
2116	spoolsv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 1456	4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe	87
PID 4412 wrote to memory of 1456	4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe	87
PID 4412 wrote to memory of 1456	4412	NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe	87
PID 1456 wrote to memory of 660	1456	explorer.exe	89
PID 1456 wrote to memory of 660	1456	explorer.exe	89
PID 1456 wrote to memory of 660	1456	explorer.exe	89
PID 660 wrote to memory of 3576	660	spoolsv.exe	90
PID 660 wrote to memory of 3576	660	spoolsv.exe	90
PID 660 wrote to memory of 3576	660	spoolsv.exe	90
PID 3576 wrote to memory of 2116	3576	svchost.exe	91
PID 3576 wrote to memory of 2116	3576	svchost.exe	91
PID 3576 wrote to memory of 2116	3576	svchost.exe	91

C:\Users\Admin\AppData\Local\Temp\NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2c93c6014e7e24b2253a91a0ed3e5b20.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4412
- \??\c:\windows\resources\themes\explorer.exe
  c:\windows\resources\themes\explorer.exe
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1456
- - \??\c:\windows\resources\spoolsv.exe
    c:\windows\resources\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:660
  - - \??\c:\windows\resources\svchost.exe
      c:\windows\resources\svchost.exe
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Adds Run key to start application
      Drops file in System32 directory
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3576
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:2116

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
98f21637f97509f3f4197ae802c69a47

SHA1
488e3457b03291afae91033f5a82ddf96d3d6599

SHA256
9c351415e3b6a134933908ea9efbcfd7d286a05a69288d76326bc4fb4ff3817a

SHA512
4a27b738e46d251e8a8bccbab46adcafe58cbd6d9fed9b1c00e74bf39794fc8c0be37bb6b457acf2f09cdd7e0f3d138c3ed2ed7eee23190f6da0301f3b18d70d

Download Submit
C:\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
f6f6d41d50700c45cdb52d3b1ec009ed

SHA1
258af417154ae73b3b2bef945c12534ee021adaa

SHA256
10284351c336ec9dce41bb2e7b516fc1009a88c626d4aa763247d777f50da658

SHA512
0aaae5bd32070d51350f24a459dda5f8cdecf1dca65eec625af77ca334427bf4da9b4fdc722ca926ad598d586038d39da62105edd09fbf583717246d56ecaff7

Download Submit
C:\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
f6f6d41d50700c45cdb52d3b1ec009ed

SHA1
258af417154ae73b3b2bef945c12534ee021adaa

SHA256
10284351c336ec9dce41bb2e7b516fc1009a88c626d4aa763247d777f50da658

SHA512
0aaae5bd32070d51350f24a459dda5f8cdecf1dca65eec625af77ca334427bf4da9b4fdc722ca926ad598d586038d39da62105edd09fbf583717246d56ecaff7

Download Submit
C:\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
f6f6d41d50700c45cdb52d3b1ec009ed

SHA1
258af417154ae73b3b2bef945c12534ee021adaa

SHA256
10284351c336ec9dce41bb2e7b516fc1009a88c626d4aa763247d777f50da658

SHA512
0aaae5bd32070d51350f24a459dda5f8cdecf1dca65eec625af77ca334427bf4da9b4fdc722ca926ad598d586038d39da62105edd09fbf583717246d56ecaff7

Download Submit
C:\Windows\Resources\svchost.exe

Filesize
135KB

MD5
50a5286929771a30453b899a76ef1a8a

SHA1
a3891688e98060eaa494f0de17e1cc7624ed8e32

SHA256
985dc5873a0789b6d80b79f9eb12eec17b653150a29ad824a8a87817741a0770

SHA512
3a227e471ba4baa9062ed97c6e0493d8aed1b938b84674288ac63a704ba791b77df312000122f21094c1c5ae2824553b4108907b4efdd6a601d495cfa6fffe1d

Download Submit
\??\c:\windows\resources\spoolsv.exe

Filesize
135KB

MD5
f6f6d41d50700c45cdb52d3b1ec009ed

SHA1
258af417154ae73b3b2bef945c12534ee021adaa

SHA256
10284351c336ec9dce41bb2e7b516fc1009a88c626d4aa763247d777f50da658

SHA512
0aaae5bd32070d51350f24a459dda5f8cdecf1dca65eec625af77ca334427bf4da9b4fdc722ca926ad598d586038d39da62105edd09fbf583717246d56ecaff7

Download Submit
\??\c:\windows\resources\svchost.exe

Filesize
135KB

MD5
50a5286929771a30453b899a76ef1a8a

SHA1
a3891688e98060eaa494f0de17e1cc7624ed8e32

SHA256
985dc5873a0789b6d80b79f9eb12eec17b653150a29ad824a8a87817741a0770

SHA512
3a227e471ba4baa9062ed97c6e0493d8aed1b938b84674288ac63a704ba791b77df312000122f21094c1c5ae2824553b4108907b4efdd6a601d495cfa6fffe1d

Download Submit
\??\c:\windows\resources\themes\explorer.exe

Filesize
135KB

MD5
98f21637f97509f3f4197ae802c69a47

SHA1
488e3457b03291afae91033f5a82ddf96d3d6599

SHA256
9c351415e3b6a134933908ea9efbcfd7d286a05a69288d76326bc4fb4ff3817a

SHA512
4a27b738e46d251e8a8bccbab46adcafe58cbd6d9fed9b1c00e74bf39794fc8c0be37bb6b457acf2f09cdd7e0f3d138c3ed2ed7eee23190f6da0301f3b18d70d

Download Submit
memory/660-33-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1456-35-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2116-32-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3576-36-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4412-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4412-34-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download