e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d

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

Processes:

explorer.exesvchost.exe

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

Processes:

explorer.exespoolsv.exesvchost.exespoolsv.exe

pid process

2288 explorer.exe
2860 spoolsv.exe
2916 svchost.exe
2828 spoolsv.exe
Loads dropped DLL 4 IoCs

Processes:

e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exeexplorer.exespoolsv.exesvchost.exe

pid process

2380 e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2288 explorer.exe
2860 spoolsv.exe
2916 svchost.exe

pid	process
2288	explorer.exe
2860	spoolsv.exe
2916	svchost.exe
2828	spoolsv.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exeexplorer.exe

description	ioc	process
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
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

Drops file in System32 directory 2 IoCs

Processes:

explorer.exesvchost.exe

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

Processes:

e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exeexplorer.exespoolsv.exe

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

Processes:

spoolsv.exeschtasks.exeschtasks.exeschtasks.exee74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exeexplorer.exespoolsv.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
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	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

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

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

2876 schtasks.exe
2176 schtasks.exe
2236 schtasks.exe

pid	process
2876	schtasks.exe
2176	schtasks.exe
2236	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exeexplorer.exesvchost.exe

pid	process
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2288	explorer.exe
2288	explorer.exe
2288	explorer.exe
2288	explorer.exe
2288	explorer.exe
2288	explorer.exe
2288	explorer.exe
2288	explorer.exe
2288	explorer.exe
2288	explorer.exe
2288	explorer.exe
2288	explorer.exe
2288	explorer.exe
2288	explorer.exe
2288	explorer.exe
2288	explorer.exe
2916	svchost.exe
2916	svchost.exe
2916	svchost.exe
2916	svchost.exe
2916	svchost.exe
2916	svchost.exe
2916	svchost.exe
2916	svchost.exe
2916	svchost.exe
2916	svchost.exe
2916	svchost.exe
2916	svchost.exe
2916	svchost.exe
2916	svchost.exe
2916	svchost.exe
2916	svchost.exe
2288	explorer.exe
2288	explorer.exe
2288	explorer.exe
2916	svchost.exe
2916	svchost.exe
2288	explorer.exe
2916	svchost.exe
2916	svchost.exe
2288	explorer.exe
2288	explorer.exe
2916	svchost.exe
2916	svchost.exe
2288	explorer.exe
2288	explorer.exe
2916	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

explorer.exesvchost.exe

pid process

2288 explorer.exe
2916 svchost.exe

pid	process
2288	explorer.exe
2916	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exeexplorer.exespoolsv.exesvchost.exespoolsv.exe

pid	process
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe
2288	explorer.exe
2288	explorer.exe
2860	spoolsv.exe
2860	spoolsv.exe
2916	svchost.exe
2916	svchost.exe
2828	spoolsv.exe
2828	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exeexplorer.exespoolsv.exesvchost.exe

description	pid	process	target process
PID 2380 wrote to memory of 2288	2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe	explorer.exe
PID 2380 wrote to memory of 2288	2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe	explorer.exe
PID 2380 wrote to memory of 2288	2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe	explorer.exe
PID 2380 wrote to memory of 2288	2380	e74ae27eecf9fa69550fb02faa1935046cc07a0f6cd569fbce89586076b0c11d.exe	explorer.exe
PID 2288 wrote to memory of 2860	2288	explorer.exe	spoolsv.exe
PID 2288 wrote to memory of 2860	2288	explorer.exe	spoolsv.exe
PID 2288 wrote to memory of 2860	2288	explorer.exe	spoolsv.exe
PID 2288 wrote to memory of 2860	2288	explorer.exe	spoolsv.exe
PID 2860 wrote to memory of 2916	2860	spoolsv.exe	svchost.exe
PID 2860 wrote to memory of 2916	2860	spoolsv.exe	svchost.exe
PID 2860 wrote to memory of 2916	2860	spoolsv.exe	svchost.exe
PID 2860 wrote to memory of 2916	2860	spoolsv.exe	svchost.exe
PID 2916 wrote to memory of 2828	2916	svchost.exe	spoolsv.exe
PID 2916 wrote to memory of 2828	2916	svchost.exe	spoolsv.exe
PID 2916 wrote to memory of 2828	2916	svchost.exe	spoolsv.exe
PID 2916 wrote to memory of 2828	2916	svchost.exe	spoolsv.exe
PID 2288 wrote to memory of 3032	2288	explorer.exe	Explorer.exe
PID 2288 wrote to memory of 3032	2288	explorer.exe	Explorer.exe
PID 2288 wrote to memory of 3032	2288	explorer.exe	Explorer.exe
PID 2288 wrote to memory of 3032	2288	explorer.exe	Explorer.exe
PID 2916 wrote to memory of 2876	2916	svchost.exe	schtasks.exe
PID 2916 wrote to memory of 2876	2916	svchost.exe	schtasks.exe
PID 2916 wrote to memory of 2876	2916	svchost.exe	schtasks.exe
PID 2916 wrote to memory of 2876	2916	svchost.exe	schtasks.exe
PID 2916 wrote to memory of 2176	2916	svchost.exe	schtasks.exe
PID 2916 wrote to memory of 2176	2916	svchost.exe	schtasks.exe
PID 2916 wrote to memory of 2176	2916	svchost.exe	schtasks.exe
PID 2916 wrote to memory of 2176	2916	svchost.exe	schtasks.exe
PID 2916 wrote to memory of 2236	2916	svchost.exe	schtasks.exe
PID 2916 wrote to memory of 2236	2916	svchost.exe	schtasks.exe
PID 2916 wrote to memory of 2236	2916	svchost.exe	schtasks.exe
PID 2916 wrote to memory of 2236	2916	svchost.exe	schtasks.exe

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:2380
- \??\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:2288
- - \??\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:2860
  - - \??\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:2916
    - - \??\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:2828
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 10:46 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2876
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 10:47 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2176
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 10:48 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2236
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:3032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
07a123ecb5eaf7df62920230bc337ad2

SHA1
3c56a16951908eb335a6b23c014705d099582308

SHA256
dc3cd37359f531d7414e726a4d5b450409b439db63fcb05e41f6792bde6ece4c

SHA512
9408d4cf9b397b2341860ee5ea2e8efacda2249e3890ae8df52ed0bf60e7131649ca4da63240e86e238e03e5203ee2616ab66d421a2418c5961ddc4ae56294bb

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

Filesize
135KB

MD5
98615ecde930660fdda42b306ccbbfcd

SHA1
4aa149a44e138aa9853407272754f0fca842af5b

SHA256
702794171b1a2dedc93e8d24a99d83034ad3ffdc91fa99b5f080591487e40891

SHA512
20cc806ec4cd000457a132702728a3e6dc080dd23a464c948ee49839ef1257e2e92b341c1845eb53e96e603f2fc2781e2fb19f6dce869a4cb5d229adc49852d7

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
16b837cf927e6c98c2b28d8ef4d7db9a

SHA1
e9e97bd478c3fb34d88b8fd4e25aba6ae26117f2

SHA256
b29ac6028ce8de1e96f2ff3d2627117944f59708eb71b8a6c44484506572c582

SHA512
8c37858afd571dd7d1f900e350dd0e566bca37926d0ce9879944dbfe0c1ec3983e0f3eba581b669176f712dda54c34299a497caa82e77ad26e76f57139962ad7

Download Submit
memory/2288-44-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2380-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2380-9-0x0000000000280000-0x000000000029F000-memory.dmp

Filesize
124KB

Download
memory/2380-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2828-41-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2860-31-0x0000000000290000-0x00000000002AF000-memory.dmp

Filesize
124KB

Download
memory/2860-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2916-45-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads