dd4ce57ed4b1f3e23e7a618534e7e47137e21f7afb1c10f368b4258994f65ff7

Analysis

max time kernel
152s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2023, 18:34

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General

Target

NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
Size

135KB
MD5

272996c13790ce23f5a06662dc3c5280
SHA1

e71f00f99de8042a914ffaa9c4a9c87122f83e05
SHA256

dd4ce57ed4b1f3e23e7a618534e7e47137e21f7afb1c10f368b4258994f65ff7
SHA512

3dda42c6b7fbcf714eb605659d9720b11426aba8072a4b517082cf184f2d886db427e2de8a678b0f8fe55f947b779ff55d1aac769b7c18a02f92e6da86938523
SSDEEP

1536:XfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbg+3:XVqoCl/YgjxEufVU0TbTyDDalR3

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-1-5-21-2344688013-2965468717-2034126-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
4372	explorer.exe
3652	spoolsv.exe
1908	svchost.exe
1424	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\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.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.272996c13790ce23f5a06662dc3c5280_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
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe
4372	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4372	explorer.exe
1908	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
4372	explorer.exe
4372	explorer.exe
3652	spoolsv.exe
3652	spoolsv.exe
1908	svchost.exe
1908	svchost.exe
1424	spoolsv.exe
1424	spoolsv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4476 wrote to memory of 4372	4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe	86
PID 4476 wrote to memory of 4372	4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe	86
PID 4476 wrote to memory of 4372	4476	NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe	86
PID 4372 wrote to memory of 3652	4372	explorer.exe	89
PID 4372 wrote to memory of 3652	4372	explorer.exe	89
PID 4372 wrote to memory of 3652	4372	explorer.exe	89
PID 3652 wrote to memory of 1908	3652	spoolsv.exe	91
PID 3652 wrote to memory of 1908	3652	spoolsv.exe	91
PID 3652 wrote to memory of 1908	3652	spoolsv.exe	91
PID 1908 wrote to memory of 1424	1908	svchost.exe	92
PID 1908 wrote to memory of 1424	1908	svchost.exe	92
PID 1908 wrote to memory of 1424	1908	svchost.exe	92

C:\Users\Admin\AppData\Local\Temp\NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.272996c13790ce23f5a06662dc3c5280_JC.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4476
- \??\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:4372
- - \??\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:3652
  - - \??\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:1908
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of SetWindowsHookEx
        
        PID:1424

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
05df9c58c91a52b229f17d0a36902716

SHA1
58dcc8afa277630be7b5c9b02512794cccd6984e

SHA256
fb306424ffd96914671ca4f3efbb4a4acb0a276206d067994bd042b368bc7e07

SHA512
1a9e6841a6d0871c995bb60d8c0f8a7a08f18b7a8260ce43afdc1c01a371b861bc9c110f0400f09d20eab74a2de38bfa97d8d76d608c8a948a726483663be367

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

Filesize
135KB

MD5
0b0460ebc66c22c590d71025f46e1517

SHA1
9e9dcfc82555c17b975058d78fe8c90cf30a7782

SHA256
fafbcea0a72f91b60ea279d2266dc195f2941443a1fa8ce39bbed2c81d9bef0b

SHA512
52633b174bfc6cb7a27e081a6e0b2e037ded66ed6c88c4594c63b6b5866d9ac82f391ff176616518f943587886cab816f82716cbf81c393fe2e923d50eb91e82

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

Filesize
135KB

MD5
0b0460ebc66c22c590d71025f46e1517

SHA1
9e9dcfc82555c17b975058d78fe8c90cf30a7782

SHA256
fafbcea0a72f91b60ea279d2266dc195f2941443a1fa8ce39bbed2c81d9bef0b

SHA512
52633b174bfc6cb7a27e081a6e0b2e037ded66ed6c88c4594c63b6b5866d9ac82f391ff176616518f943587886cab816f82716cbf81c393fe2e923d50eb91e82

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

Filesize
135KB

MD5
0b0460ebc66c22c590d71025f46e1517

SHA1
9e9dcfc82555c17b975058d78fe8c90cf30a7782

SHA256
fafbcea0a72f91b60ea279d2266dc195f2941443a1fa8ce39bbed2c81d9bef0b

SHA512
52633b174bfc6cb7a27e081a6e0b2e037ded66ed6c88c4594c63b6b5866d9ac82f391ff176616518f943587886cab816f82716cbf81c393fe2e923d50eb91e82

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

Filesize
135KB

MD5
82218d8c5c1c18f3095f0646ff5bdc98

SHA1
f9d354195b9a1bb3292e41a1711b4cdd08e8cda1

SHA256
8e07465fc35cb513f2638e31765982a3974f135832b211a8d5cecf58e5a99ca6

SHA512
efb1860ec1a4feecb386e3255fc2a2765ea90aa7de79572dafd225a457e8caac8fc389ddd8887aa9c74fbbf9e1f759020db9ea464c49f187ffb2a31a89bdf46d

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

Filesize
135KB

MD5
0b0460ebc66c22c590d71025f46e1517

SHA1
9e9dcfc82555c17b975058d78fe8c90cf30a7782

SHA256
fafbcea0a72f91b60ea279d2266dc195f2941443a1fa8ce39bbed2c81d9bef0b

SHA512
52633b174bfc6cb7a27e081a6e0b2e037ded66ed6c88c4594c63b6b5866d9ac82f391ff176616518f943587886cab816f82716cbf81c393fe2e923d50eb91e82

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

Filesize
135KB

MD5
82218d8c5c1c18f3095f0646ff5bdc98

SHA1
f9d354195b9a1bb3292e41a1711b4cdd08e8cda1

SHA256
8e07465fc35cb513f2638e31765982a3974f135832b211a8d5cecf58e5a99ca6

SHA512
efb1860ec1a4feecb386e3255fc2a2765ea90aa7de79572dafd225a457e8caac8fc389ddd8887aa9c74fbbf9e1f759020db9ea464c49f187ffb2a31a89bdf46d

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

Filesize
135KB

MD5
05df9c58c91a52b229f17d0a36902716

SHA1
58dcc8afa277630be7b5c9b02512794cccd6984e

SHA256
fb306424ffd96914671ca4f3efbb4a4acb0a276206d067994bd042b368bc7e07

SHA512
1a9e6841a6d0871c995bb60d8c0f8a7a08f18b7a8260ce43afdc1c01a371b861bc9c110f0400f09d20eab74a2de38bfa97d8d76d608c8a948a726483663be367

Download Submit
memory/1424-34-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1908-37-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3652-35-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4372-36-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4476-19-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4476-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download