e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 03:26

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General

Target

e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
Size

741KB
MD5

8a600850839b4bb88ba6e289c82534e5
SHA1

60a7588f5af5ff552ae3894a91e0ef945cec987d
SHA256

e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da
SHA512

98db8880cc9c108dd11b4c14dc874c57557fc702f9403be61d93e1f6a46ed542e4afbc9d9983a12d6b30c2af574af14635edd4c3d267cc5ecffffb53024651bd
SSDEEP

12288:ltTuhrf45I8jWtJ8OgL27rd69bk5NCgGhSFB79gYhLIf6EQ9EYcw1FywwwwwwwwR:lIt4kt0Kd6F6CNzYhUiEWEYcwqwwwwwS

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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
1716	explorer.exe
2596	spoolsv.exe
2740	svchost.exe
3024	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
1716	explorer.exe
2596	spoolsv.exe
2740	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

Suspicious use of NtSetInformationThreadHideFromDebugger 19 IoCs

pid	Process
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
1716	explorer.exe
2596	spoolsv.exe
2740	svchost.exe
3024	spoolsv.exe
1716	explorer.exe
2740	svchost.exe
1716	explorer.exe
2740	svchost.exe
1716	explorer.exe
2740	svchost.exe
1716	explorer.exe
2740	svchost.exe
1716	explorer.exe
2740	svchost.exe
1716	explorer.exe
2740	svchost.exe
1716	explorer.exe
2740	svchost.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1916	schtasks.exe
1740	schtasks.exe
2504	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
2596	spoolsv.exe
2596	spoolsv.exe
2596	spoolsv.exe
2596	spoolsv.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1716	explorer.exe
2740	svchost.exe

Suspicious use of SetWindowsHookEx 15 IoCs

pid	Process
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
1716	explorer.exe
1716	explorer.exe
1716	explorer.exe
2596	spoolsv.exe
2596	spoolsv.exe
2596	spoolsv.exe
2740	svchost.exe
2740	svchost.exe
2740	svchost.exe
3024	spoolsv.exe
3024	spoolsv.exe
3024	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 1716	2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe	28
PID 2236 wrote to memory of 1716	2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe	28
PID 2236 wrote to memory of 1716	2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe	28
PID 2236 wrote to memory of 1716	2236	e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe	28
PID 1716 wrote to memory of 2596	1716	explorer.exe	29
PID 1716 wrote to memory of 2596	1716	explorer.exe	29
PID 1716 wrote to memory of 2596	1716	explorer.exe	29
PID 1716 wrote to memory of 2596	1716	explorer.exe	29
PID 2596 wrote to memory of 2740	2596	spoolsv.exe	30
PID 2596 wrote to memory of 2740	2596	spoolsv.exe	30
PID 2596 wrote to memory of 2740	2596	spoolsv.exe	30
PID 2596 wrote to memory of 2740	2596	spoolsv.exe	30
PID 2740 wrote to memory of 3024	2740	svchost.exe	31
PID 2740 wrote to memory of 3024	2740	svchost.exe	31
PID 2740 wrote to memory of 3024	2740	svchost.exe	31
PID 2740 wrote to memory of 3024	2740	svchost.exe	31
PID 1716 wrote to memory of 2732	1716	explorer.exe	32
PID 1716 wrote to memory of 2732	1716	explorer.exe	32
PID 1716 wrote to memory of 2732	1716	explorer.exe	32
PID 1716 wrote to memory of 2732	1716	explorer.exe	32
PID 2740 wrote to memory of 2504	2740	svchost.exe	33
PID 2740 wrote to memory of 2504	2740	svchost.exe	33
PID 2740 wrote to memory of 2504	2740	svchost.exe	33
PID 2740 wrote to memory of 2504	2740	svchost.exe	33
PID 2740 wrote to memory of 1916	2740	svchost.exe	38
PID 2740 wrote to memory of 1916	2740	svchost.exe	38
PID 2740 wrote to memory of 1916	2740	svchost.exe	38
PID 2740 wrote to memory of 1916	2740	svchost.exe	38
PID 2740 wrote to memory of 1740	2740	svchost.exe	40
PID 2740 wrote to memory of 1740	2740	svchost.exe	40
PID 2740 wrote to memory of 1740	2740	svchost.exe	40
PID 2740 wrote to memory of 1740	2740	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe
"C:\Users\Admin\AppData\Local\Temp\e0daf2eccf1a9ed4896ff23f003f0cf3d7e68c0bc557bd28c404342663c6d8da.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2236
- \??\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
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1716
- - \??\c:\windows\resources\spoolsv.exe
    c:\windows\resources\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2596
  - - \??\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 use of NtSetInformationThreadHideFromDebugger
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2740
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        Suspicious use of NtSetInformationThreadHideFromDebugger
        Suspicious use of SetWindowsHookEx
        
        PID:3024
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 03:28 /f
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:2504
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 03:29 /f
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:1916
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 03:30 /f
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:1740
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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\svchost.exe

Filesize
742KB

MD5
bd7802b18d8b8aa0ac5f10755b976361

SHA1
9088e756bcb1663a46e4204597db3f8ad4ff0b30

SHA256
6c472616c274bbcac01c951427dca9c3c73f9cf45624dbbba3768ea7f598d951

SHA512
289236b6c66959b5af2821629282bb10eaf9e5e768f3f5272e0ebcce6ca16f7683d17afed0138303820d4657fd0f5d47a0143cbb26cf189df2024cdcf90f28cf

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

Filesize
741KB

MD5
2187835532e88e7d57d66169d20d4c0f

SHA1
cfc6b0f9586f612584dbaf68e11696710f97f96a

SHA256
8ed7e0029865b3a36bc12cde36b2d16d5a68f2b4b09cab8d23bc31f403c2dbf0

SHA512
2fd7c3dcbf64ac40c1f31bc3e5830dde6a5a7b07db31fb556869624bcfa2f4470353486ab5fea554f82929278b6f6df7fcbc715b7acf6bcf5d76c7b6c86c83a0

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
742KB

MD5
de304949b298db278f5ac4507bd9455c

SHA1
1515941009f9e6eec82f084b42c43a4c903b20b7

SHA256
5106b7c57ff9605ce581a65b479de5ce5fd634a5016bd4667a82734b4b5ce348

SHA512
217ec81d43520ba3d7aa65eda193f9add34676c65f4d7d99a86962182de0edc4a396220d140e02a9655b05cdf9e9c02e8e626e43d7805405aed97d3cbfb9d0a4

Download Submit
memory/1716-66-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/1716-72-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/1716-10-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/1716-70-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/1716-53-0x0000000003DE0000-0x0000000004152000-memory.dmp

Filesize
3.4MB

Download
memory/1716-64-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/1716-62-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/1716-60-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/1716-50-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/1716-55-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/1716-52-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2236-0-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2236-49-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2596-32-0x0000000003C40000-0x0000000003FB2000-memory.dmp

Filesize
3.4MB

Download
memory/2596-48-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2596-21-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2740-33-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2740-51-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2740-57-0x0000000003990000-0x0000000003D02000-memory.dmp

Filesize
3.4MB

Download
memory/2740-56-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2740-61-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2740-54-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2740-63-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2740-65-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/2740-39-0x0000000003990000-0x0000000003D02000-memory.dmp

Filesize
3.4MB

Download
memory/2740-67-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/3024-46-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/3024-41-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download