6855231b153d3ca40a5981c0ddce3845bf2896efbe59e2f762f786acc7cd9fe0

Analysis

max time kernel
151s
max time network
143s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
12-11-2023 23:23

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General

Target

NEAS.4124ecb309aecaad72e04ee68d48b300.exe
Size

135KB
MD5

4124ecb309aecaad72e04ee68d48b300
SHA1

eeead9c39a8cc09b107fdd3159867fe71c0d3233
SHA256

6855231b153d3ca40a5981c0ddce3845bf2896efbe59e2f762f786acc7cd9fe0
SHA512

a8cc34968b3280e9b1ea75a055bb26a25cc0dab69951a40086ecf70da055dcb0f97012ff230cc38b0ac0fc4aa816d288ade18eca1beeb68996a8ca1d616cee33
SSDEEP

1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbV89:UVqoCl/YgjxEufVU0TbTyDDalS9

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"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
2176	explorer.exe
2728	spoolsv.exe
2632	svchost.exe
2616	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
2176	explorer.exe
2728	spoolsv.exe
2632	svchost.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.4124ecb309aecaad72e04ee68d48b300.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

Creates scheduled task(s) 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2356	schtasks.exe
2508	schtasks.exe
1104	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2632	svchost.exe
2632	svchost.exe
2632	svchost.exe
2632	svchost.exe
2632	svchost.exe
2632	svchost.exe
2632	svchost.exe
2632	svchost.exe
2632	svchost.exe
2632	svchost.exe
2632	svchost.exe
2632	svchost.exe
2632	svchost.exe
2632	svchost.exe
2632	svchost.exe
2632	svchost.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2176	explorer.exe
2632	svchost.exe
2632	svchost.exe
2176	explorer.exe
2632	svchost.exe
2176	explorer.exe
2632	svchost.exe
2176	explorer.exe
2632	svchost.exe
2176	explorer.exe
2632	svchost.exe
2176	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2176	explorer.exe
2632	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe
2176	explorer.exe
2176	explorer.exe
2728	spoolsv.exe
2728	spoolsv.exe
2632	svchost.exe
2632	svchost.exe
2616	spoolsv.exe
2616	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 2176	1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe	28
PID 1192 wrote to memory of 2176	1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe	28
PID 1192 wrote to memory of 2176	1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe	28
PID 1192 wrote to memory of 2176	1192	NEAS.4124ecb309aecaad72e04ee68d48b300.exe	28
PID 2176 wrote to memory of 2728	2176	explorer.exe	29
PID 2176 wrote to memory of 2728	2176	explorer.exe	29
PID 2176 wrote to memory of 2728	2176	explorer.exe	29
PID 2176 wrote to memory of 2728	2176	explorer.exe	29
PID 2728 wrote to memory of 2632	2728	spoolsv.exe	34
PID 2728 wrote to memory of 2632	2728	spoolsv.exe	34
PID 2728 wrote to memory of 2632	2728	spoolsv.exe	34
PID 2728 wrote to memory of 2632	2728	spoolsv.exe	34
PID 2632 wrote to memory of 2616	2632	svchost.exe	33
PID 2632 wrote to memory of 2616	2632	svchost.exe	33
PID 2632 wrote to memory of 2616	2632	svchost.exe	33
PID 2632 wrote to memory of 2616	2632	svchost.exe	33
PID 2176 wrote to memory of 3040	2176	explorer.exe	32
PID 2176 wrote to memory of 3040	2176	explorer.exe	32
PID 2176 wrote to memory of 3040	2176	explorer.exe	32
PID 2176 wrote to memory of 3040	2176	explorer.exe	32
PID 2632 wrote to memory of 2508	2632	svchost.exe	30
PID 2632 wrote to memory of 2508	2632	svchost.exe	30
PID 2632 wrote to memory of 2508	2632	svchost.exe	30
PID 2632 wrote to memory of 2508	2632	svchost.exe	30
PID 2632 wrote to memory of 1104	2632	svchost.exe	38
PID 2632 wrote to memory of 1104	2632	svchost.exe	38
PID 2632 wrote to memory of 1104	2632	svchost.exe	38
PID 2632 wrote to memory of 1104	2632	svchost.exe	38
PID 2632 wrote to memory of 2356	2632	svchost.exe	40
PID 2632 wrote to memory of 2356	2632	svchost.exe	40
PID 2632 wrote to memory of 2356	2632	svchost.exe	40
PID 2632 wrote to memory of 2356	2632	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\NEAS.4124ecb309aecaad72e04ee68d48b300.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.4124ecb309aecaad72e04ee68d48b300.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1192
- \??\c:\windows\resources\themes\explorer.exe
  c:\windows\resources\themes\explorer.exe
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Loads dropped DLL
  - 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:2176
- - \??\c:\windows\resources\spoolsv.exe
    c:\windows\resources\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2728
  - - \??\c:\windows\resources\svchost.exe
      c:\windows\resources\svchost.exe
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Drops file in System32 directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2632
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:27 /f
        5⤵
        Creates scheduled task(s)
        
        PID:1104
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:28 /f
        5⤵
        Creates scheduled task(s)
        
        PID:2356
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:3040

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:26 /f
1⤵
- Creates scheduled task(s)
PID:2508

\??\c:\windows\resources\spoolsv.exe
c:\windows\resources\spoolsv.exe PR
1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

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
e9637a0ca4517b2b10ef4c8fee2855d1

SHA1
a2ec67454710b371664ee0bbbc1b92f3fb48dc46

SHA256
22352a8abdbdebbee901624c51be0b2ab5dc71e8bc37d1acaf0439f0c4fa8596

SHA512
d7e8635abb24ecaacce81265c38361e837304e956690399f290371ac44c42e0eaf10651b9807c5f3d9a3167c7ed6f3a75940276d7bb3cde7d6a5a0b0de5ceea2

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

Filesize
135KB

MD5
61e43c1d0876ff125e25c0639e46833c

SHA1
5b3a729d7058056dae4d159abc38af6652bd2a4c

SHA256
ede99284cbf6312773ef9a5a0b12aeb88d712aa9f0303a14b7d221a3ba00714d

SHA512
23c749a5098c5dd091aa98b0bafa8e22f32e1103ceb3cae36ffd4d3416b8cf851d65e3ad0862ca5707a360dfe20c6c86b34e70b0e3fb607ae19dcb1c16366bb3

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

Filesize
135KB

MD5
61e43c1d0876ff125e25c0639e46833c

SHA1
5b3a729d7058056dae4d159abc38af6652bd2a4c

SHA256
ede99284cbf6312773ef9a5a0b12aeb88d712aa9f0303a14b7d221a3ba00714d

SHA512
23c749a5098c5dd091aa98b0bafa8e22f32e1103ceb3cae36ffd4d3416b8cf851d65e3ad0862ca5707a360dfe20c6c86b34e70b0e3fb607ae19dcb1c16366bb3

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

Filesize
135KB

MD5
61e43c1d0876ff125e25c0639e46833c

SHA1
5b3a729d7058056dae4d159abc38af6652bd2a4c

SHA256
ede99284cbf6312773ef9a5a0b12aeb88d712aa9f0303a14b7d221a3ba00714d

SHA512
23c749a5098c5dd091aa98b0bafa8e22f32e1103ceb3cae36ffd4d3416b8cf851d65e3ad0862ca5707a360dfe20c6c86b34e70b0e3fb607ae19dcb1c16366bb3

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

Filesize
135KB

MD5
0d627b49682e81f1d9d771a6f532ffb6

SHA1
baed4a80c2fc4dcabc07fa3fa0f447b4cadb74b1

SHA256
3f3e95bacc70cb329d5efa6b80eba1cb65ad14ad2e0b0a7127017c04b7eb6b00

SHA512
8b35a356e49a7ad36ccbaca26b662b0eb0b7add755f4eaa64224d7b0e46aff6ee51131f359107b31b23ddb993013ab56c3ffae053ff8af99446a5da625349381

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

Filesize
135KB

MD5
61e43c1d0876ff125e25c0639e46833c

SHA1
5b3a729d7058056dae4d159abc38af6652bd2a4c

SHA256
ede99284cbf6312773ef9a5a0b12aeb88d712aa9f0303a14b7d221a3ba00714d

SHA512
23c749a5098c5dd091aa98b0bafa8e22f32e1103ceb3cae36ffd4d3416b8cf851d65e3ad0862ca5707a360dfe20c6c86b34e70b0e3fb607ae19dcb1c16366bb3

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

Filesize
135KB

MD5
0d627b49682e81f1d9d771a6f532ffb6

SHA1
baed4a80c2fc4dcabc07fa3fa0f447b4cadb74b1

SHA256
3f3e95bacc70cb329d5efa6b80eba1cb65ad14ad2e0b0a7127017c04b7eb6b00

SHA512
8b35a356e49a7ad36ccbaca26b662b0eb0b7add755f4eaa64224d7b0e46aff6ee51131f359107b31b23ddb993013ab56c3ffae053ff8af99446a5da625349381

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

Filesize
135KB

MD5
e9637a0ca4517b2b10ef4c8fee2855d1

SHA1
a2ec67454710b371664ee0bbbc1b92f3fb48dc46

SHA256
22352a8abdbdebbee901624c51be0b2ab5dc71e8bc37d1acaf0439f0c4fa8596

SHA512
d7e8635abb24ecaacce81265c38361e837304e956690399f290371ac44c42e0eaf10651b9807c5f3d9a3167c7ed6f3a75940276d7bb3cde7d6a5a0b0de5ceea2

Download Submit
\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
e9637a0ca4517b2b10ef4c8fee2855d1

SHA1
a2ec67454710b371664ee0bbbc1b92f3fb48dc46

SHA256
22352a8abdbdebbee901624c51be0b2ab5dc71e8bc37d1acaf0439f0c4fa8596

SHA512
d7e8635abb24ecaacce81265c38361e837304e956690399f290371ac44c42e0eaf10651b9807c5f3d9a3167c7ed6f3a75940276d7bb3cde7d6a5a0b0de5ceea2

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
61e43c1d0876ff125e25c0639e46833c

SHA1
5b3a729d7058056dae4d159abc38af6652bd2a4c

SHA256
ede99284cbf6312773ef9a5a0b12aeb88d712aa9f0303a14b7d221a3ba00714d

SHA512
23c749a5098c5dd091aa98b0bafa8e22f32e1103ceb3cae36ffd4d3416b8cf851d65e3ad0862ca5707a360dfe20c6c86b34e70b0e3fb607ae19dcb1c16366bb3

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
61e43c1d0876ff125e25c0639e46833c

SHA1
5b3a729d7058056dae4d159abc38af6652bd2a4c

SHA256
ede99284cbf6312773ef9a5a0b12aeb88d712aa9f0303a14b7d221a3ba00714d

SHA512
23c749a5098c5dd091aa98b0bafa8e22f32e1103ceb3cae36ffd4d3416b8cf851d65e3ad0862ca5707a360dfe20c6c86b34e70b0e3fb607ae19dcb1c16366bb3

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
0d627b49682e81f1d9d771a6f532ffb6

SHA1
baed4a80c2fc4dcabc07fa3fa0f447b4cadb74b1

SHA256
3f3e95bacc70cb329d5efa6b80eba1cb65ad14ad2e0b0a7127017c04b7eb6b00

SHA512
8b35a356e49a7ad36ccbaca26b662b0eb0b7add755f4eaa64224d7b0e46aff6ee51131f359107b31b23ddb993013ab56c3ffae053ff8af99446a5da625349381

Download Submit
memory/1192-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1192-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1192-10-0x0000000000290000-0x00000000002AF000-memory.dmp

Filesize
124KB

Download
memory/2616-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2632-38-0x0000000000290000-0x00000000002AF000-memory.dmp

Filesize
124KB

Download
memory/2728-23-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download