e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d

Analysis

max time kernel
150s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 10:41

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General

Target

e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
Size

135KB
MD5

f633dcd5ab168a91ecd4b699d0a73034
SHA1

1c65c881f5a14f505d58c466835492173ae96910
SHA256

e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d
SHA512

3ede214b33bcbfb481062ce399f5bdd6410e7a381c0a70657c471100225db482add65d9ae919bb1c3be87d4f4712882364a3a4b25552bd03afb45da202e02a9e
SSDEEP

1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVBl8sL:UVqoCl/YgjxEufVU0TbTyDDalPlfL

Score

10^/10

discovery 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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
928	explorer.exe
2924	spoolsv.exe
2140	svchost.exe
2860	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
928	explorer.exe
2924	spoolsv.exe
2140	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	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.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

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2848	schtasks.exe
1800	schtasks.exe
1452	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
928	explorer.exe
928	explorer.exe
928	explorer.exe
928	explorer.exe
928	explorer.exe
928	explorer.exe
928	explorer.exe
928	explorer.exe
928	explorer.exe
928	explorer.exe
928	explorer.exe
928	explorer.exe
928	explorer.exe
928	explorer.exe
928	explorer.exe
928	explorer.exe
2140	svchost.exe
2140	svchost.exe
2140	svchost.exe
2140	svchost.exe
2140	svchost.exe
2140	svchost.exe
2140	svchost.exe
2140	svchost.exe
2140	svchost.exe
2140	svchost.exe
2140	svchost.exe
2140	svchost.exe
2140	svchost.exe
2140	svchost.exe
2140	svchost.exe
2140	svchost.exe
928	explorer.exe
928	explorer.exe
928	explorer.exe
2140	svchost.exe
2140	svchost.exe
928	explorer.exe
2140	svchost.exe
928	explorer.exe
928	explorer.exe
2140	svchost.exe
928	explorer.exe
2140	svchost.exe
928	explorer.exe
2140	svchost.exe
928	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
928	explorer.exe
2140	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
928	explorer.exe
928	explorer.exe
2924	spoolsv.exe
2924	spoolsv.exe
2140	svchost.exe
2140	svchost.exe
2860	spoolsv.exe
2860	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 928	1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe	29
PID 1048 wrote to memory of 928	1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe	29
PID 1048 wrote to memory of 928	1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe	29
PID 1048 wrote to memory of 928	1048	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe	29
PID 928 wrote to memory of 2924	928	explorer.exe	30
PID 928 wrote to memory of 2924	928	explorer.exe	30
PID 928 wrote to memory of 2924	928	explorer.exe	30
PID 928 wrote to memory of 2924	928	explorer.exe	30
PID 2924 wrote to memory of 2140	2924	spoolsv.exe	31
PID 2924 wrote to memory of 2140	2924	spoolsv.exe	31
PID 2924 wrote to memory of 2140	2924	spoolsv.exe	31
PID 2924 wrote to memory of 2140	2924	spoolsv.exe	31
PID 2140 wrote to memory of 2860	2140	svchost.exe	32
PID 2140 wrote to memory of 2860	2140	svchost.exe	32
PID 2140 wrote to memory of 2860	2140	svchost.exe	32
PID 2140 wrote to memory of 2860	2140	svchost.exe	32
PID 928 wrote to memory of 2740	928	explorer.exe	33
PID 928 wrote to memory of 2740	928	explorer.exe	33
PID 928 wrote to memory of 2740	928	explorer.exe	33
PID 928 wrote to memory of 2740	928	explorer.exe	33
PID 2140 wrote to memory of 2848	2140	svchost.exe	34
PID 2140 wrote to memory of 2848	2140	svchost.exe	34
PID 2140 wrote to memory of 2848	2140	svchost.exe	34
PID 2140 wrote to memory of 2848	2140	svchost.exe	34
PID 2140 wrote to memory of 1800	2140	svchost.exe	37
PID 2140 wrote to memory of 1800	2140	svchost.exe	37
PID 2140 wrote to memory of 1800	2140	svchost.exe	37
PID 2140 wrote to memory of 1800	2140	svchost.exe	37
PID 2140 wrote to memory of 1452	2140	svchost.exe	39
PID 2140 wrote to memory of 1452	2140	svchost.exe	39
PID 2140 wrote to memory of 1452	2140	svchost.exe	39
PID 2140 wrote to memory of 1452	2140	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
"C:\Users\Admin\AppData\Local\Temp\e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1048
- \??\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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:928
- - \??\c:\windows\resources\spoolsv.exe
    c:\windows\resources\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2924
  - - \??\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
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2140
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:2860
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 10:43 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2848
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 10:44 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1800
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 10:45 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1452
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2740

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
167b8cc79707c61ab5bdc39cd194fa84

SHA1
e56bcefcfa34df03d6ab4d9c8b625650debdc4f2

SHA256
1fb7a928f6b658316b8a0b8925cfd5ce0ea85398cd3f5c4af01fb9fde46ea7e2

SHA512
4892b840fe48896b8f4bbd39c07149f8d11cd837ea0d8b26dfb066a18bdc2257dcf105b8b74319129fdccea7a2a525a8b01e5fd6c6cd8d92c71cd2762ee5d082

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
74cb32491280a3376d2cbfcf65832428

SHA1
39d3e6114ca315ca1184f32ad97cd369d44959ba

SHA256
759da29108bf2a862a20e3d13ac3939e24cd1c5fab5e36970f13d1c27c103bd0

SHA512
e6d850768f2b26e8e939286360889fd427bd90ca9ce7a8d4b0e339ad9a9d2803fd93d83a47dfa522e342f6d07cd4eef04800453cededd10066d4e1e3a0f0a7de

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
1e71eb30d8afa90d531e0c23217d92a3

SHA1
8fa84b1ca13ccd0cdd1dbd17a70ff97fe4159276

SHA256
4bdf20aec09a1835a77d1e5e611068a8c6cfc825b9fca10e7f9ae44a5b736601

SHA512
0efcd3cf7d503f3e2ac22713682f2c2b36d94233fbb34bb072b664d616fa3b6602300ecea7fb8289041b2c2dcaa81dc077546a126f6f884430df6b355c54a4ee

Download Submit
memory/928-44-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1048-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1048-9-0x00000000004A0000-0x00000000004BF000-memory.dmp

Filesize
124KB

Download
memory/1048-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2140-45-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2860-41-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2924-30-0x0000000000310000-0x000000000032F000-memory.dmp

Filesize
124KB

Download
memory/2924-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download