c647006243803ea3bb11144053adfb3320f7d6c188784ffa2ae07d016794e899

Analysis

max time kernel
151s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
04/11/2023, 09:30

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General

Target

NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
Size

135KB
MD5

646d4dd177474e2e0001aeb37b789180
SHA1

38eae3717aac8b24d94b049b3c30dc675f712e9c
SHA256

c647006243803ea3bb11144053adfb3320f7d6c188784ffa2ae07d016794e899
SHA512

7b52f07498c62b76ea3c90248bca3a82576f44f6a2cf6e7a6b7d165fc5afb407832fea8fa994a0e479a63db614d47d778068dbc969e06c58e109150cd77f59e9
SSDEEP

1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVlTM:UVqoCl/YgjxEufVU0TbTyDDalD4

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-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
3672	explorer.exe
1408	spoolsv.exe
5004	svchost.exe
1096	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	explorer.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	NEAS.646d4dd177474e2e0001aeb37b789180_JC.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
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe
3672	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
3672	explorer.exe
5004	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
3672	explorer.exe
3672	explorer.exe
1408	spoolsv.exe
1408	spoolsv.exe
5004	svchost.exe
5004	svchost.exe
1096	spoolsv.exe
1096	spoolsv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3964 wrote to memory of 3672	3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe	87
PID 3964 wrote to memory of 3672	3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe	87
PID 3964 wrote to memory of 3672	3964	NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe	87
PID 3672 wrote to memory of 1408	3672	explorer.exe	88
PID 3672 wrote to memory of 1408	3672	explorer.exe	88
PID 3672 wrote to memory of 1408	3672	explorer.exe	88
PID 1408 wrote to memory of 5004	1408	spoolsv.exe	90
PID 1408 wrote to memory of 5004	1408	spoolsv.exe	90
PID 1408 wrote to memory of 5004	1408	spoolsv.exe	90
PID 5004 wrote to memory of 1096	5004	svchost.exe	91
PID 5004 wrote to memory of 1096	5004	svchost.exe	91
PID 5004 wrote to memory of 1096	5004	svchost.exe	91

C:\Users\Admin\AppData\Local\Temp\NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.646d4dd177474e2e0001aeb37b789180_JC.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3964
- \??\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:3672
- - \??\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:1408
  - - \??\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:5004
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:1096

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
0e667da5b06c6b7488fc1c2eaddb0686

SHA1
6f7aabe77ecffa892e6658320093e30d55ac59ba

SHA256
7f0b69d8e47f1243299161275bc031a5ace242c301fdae8f5cf99183d947ce2d

SHA512
8cf7b93f375e8339bd9544d4fb7a5877340d955270b38175ea2043d46bdea0677564b12784b3831ca1540b322a3c78c3c800e6b0d579b23fc4ae665b97f0901f

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

Filesize
135KB

MD5
5243ddef1ae753d43d920ce0afea98eb

SHA1
2a65f267da997e3eb80e23709cd96000c80933fa

SHA256
1e7eda13c9cb09ac9e92a31c61eaa60500aee2d5d1031bab55cedc594162e49e

SHA512
9f0e3ae4c1a1c511bd32440f9f70a75ad4c0f7d44e85f097885f2530322135b15651d9b9ce38151211cbe30c2a7bfceec47392ed1542c8611bcea9213f779756

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

Filesize
135KB

MD5
5243ddef1ae753d43d920ce0afea98eb

SHA1
2a65f267da997e3eb80e23709cd96000c80933fa

SHA256
1e7eda13c9cb09ac9e92a31c61eaa60500aee2d5d1031bab55cedc594162e49e

SHA512
9f0e3ae4c1a1c511bd32440f9f70a75ad4c0f7d44e85f097885f2530322135b15651d9b9ce38151211cbe30c2a7bfceec47392ed1542c8611bcea9213f779756

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

Filesize
135KB

MD5
5243ddef1ae753d43d920ce0afea98eb

SHA1
2a65f267da997e3eb80e23709cd96000c80933fa

SHA256
1e7eda13c9cb09ac9e92a31c61eaa60500aee2d5d1031bab55cedc594162e49e

SHA512
9f0e3ae4c1a1c511bd32440f9f70a75ad4c0f7d44e85f097885f2530322135b15651d9b9ce38151211cbe30c2a7bfceec47392ed1542c8611bcea9213f779756

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

Filesize
135KB

MD5
2ee619f66e481da4b8621c702cc23783

SHA1
25757a5f99923ff76f6460bbbf4bdc14ce799a6c

SHA256
18870ff7e607cca99f5f25ac1d41e0c1cfda98b108b1c3fe08a9f44801213b53

SHA512
3e7dabbd222f10a16efa172b4eebbb878ab8727b8fffaedce6204054d6d2ca7afb746ff813b4e32ddbae6fe0f80fd37e9d57209e6d0c3cefead8f7d558b1a448

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

Filesize
135KB

MD5
5243ddef1ae753d43d920ce0afea98eb

SHA1
2a65f267da997e3eb80e23709cd96000c80933fa

SHA256
1e7eda13c9cb09ac9e92a31c61eaa60500aee2d5d1031bab55cedc594162e49e

SHA512
9f0e3ae4c1a1c511bd32440f9f70a75ad4c0f7d44e85f097885f2530322135b15651d9b9ce38151211cbe30c2a7bfceec47392ed1542c8611bcea9213f779756

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

Filesize
135KB

MD5
2ee619f66e481da4b8621c702cc23783

SHA1
25757a5f99923ff76f6460bbbf4bdc14ce799a6c

SHA256
18870ff7e607cca99f5f25ac1d41e0c1cfda98b108b1c3fe08a9f44801213b53

SHA512
3e7dabbd222f10a16efa172b4eebbb878ab8727b8fffaedce6204054d6d2ca7afb746ff813b4e32ddbae6fe0f80fd37e9d57209e6d0c3cefead8f7d558b1a448

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

Filesize
135KB

MD5
0e667da5b06c6b7488fc1c2eaddb0686

SHA1
6f7aabe77ecffa892e6658320093e30d55ac59ba

SHA256
7f0b69d8e47f1243299161275bc031a5ace242c301fdae8f5cf99183d947ce2d

SHA512
8cf7b93f375e8339bd9544d4fb7a5877340d955270b38175ea2043d46bdea0677564b12784b3831ca1540b322a3c78c3c800e6b0d579b23fc4ae665b97f0901f

Download Submit
memory/1096-32-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1408-33-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3672-35-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3964-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3964-34-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/5004-36-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download