ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/10/2024, 02:26

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General

Target

ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
Size

233KB
MD5

699ebda3389fde874bf062f761ac329e
SHA1

c80d075ddf25e6bf749ccbeddfca943d721f6df3
SHA256

ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc
SHA512

ebac09d10e25ed9f91207c64906ed3e70ef6742dcb9fe6a5d72cb51c9ed60e5519e4440ab85fea002163560aac5c8f08586ac757e1da55b31a7dc13821db33d6
SSDEEP

3072:5VqoCl/YgjxEufVU0TbTyDDal6z/dAMhdF2jBCmLdjaf3k6aaICeHE:5sLqdufVUNDaAz/LLvmpjE3EaICek

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe

Executes dropped EXE 4 IoCs

pid	Process
2680	explorer.exe
2768	spoolsv.exe
2732	svchost.exe
2808	spoolsv.exe

Loads dropped DLL 8 IoCs

pid	Process
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2680	explorer.exe
2680	explorer.exe
2768	spoolsv.exe
2768	spoolsv.exe
2732	svchost.exe
2732	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"	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

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.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	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2972	schtasks.exe
1472	schtasks.exe
944	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2680	explorer.exe
2680	explorer.exe
2680	explorer.exe
2680	explorer.exe
2680	explorer.exe
2680	explorer.exe
2680	explorer.exe
2680	explorer.exe
2680	explorer.exe
2680	explorer.exe
2680	explorer.exe
2680	explorer.exe
2680	explorer.exe
2680	explorer.exe
2680	explorer.exe
2680	explorer.exe
2732	svchost.exe
2732	svchost.exe
2732	svchost.exe
2732	svchost.exe
2732	svchost.exe
2732	svchost.exe
2732	svchost.exe
2732	svchost.exe
2732	svchost.exe
2732	svchost.exe
2732	svchost.exe
2732	svchost.exe
2732	svchost.exe
2732	svchost.exe
2732	svchost.exe
2732	svchost.exe
2680	explorer.exe
2732	svchost.exe
2732	svchost.exe
2680	explorer.exe
2680	explorer.exe
2680	explorer.exe
2732	svchost.exe
2732	svchost.exe
2680	explorer.exe
2732	svchost.exe
2680	explorer.exe
2732	svchost.exe
2680	explorer.exe
2680	explorer.exe
2732	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2680	explorer.exe
2732	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
2680	explorer.exe
2680	explorer.exe
2768	spoolsv.exe
2768	spoolsv.exe
2732	svchost.exe
2732	svchost.exe
2808	spoolsv.exe
2808	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 2680	2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe	31
PID 2628 wrote to memory of 2680	2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe	31
PID 2628 wrote to memory of 2680	2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe	31
PID 2628 wrote to memory of 2680	2628	ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe	31
PID 2680 wrote to memory of 2768	2680	explorer.exe	32
PID 2680 wrote to memory of 2768	2680	explorer.exe	32
PID 2680 wrote to memory of 2768	2680	explorer.exe	32
PID 2680 wrote to memory of 2768	2680	explorer.exe	32
PID 2768 wrote to memory of 2732	2768	spoolsv.exe	33
PID 2768 wrote to memory of 2732	2768	spoolsv.exe	33
PID 2768 wrote to memory of 2732	2768	spoolsv.exe	33
PID 2768 wrote to memory of 2732	2768	spoolsv.exe	33
PID 2732 wrote to memory of 2808	2732	svchost.exe	34
PID 2732 wrote to memory of 2808	2732	svchost.exe	34
PID 2732 wrote to memory of 2808	2732	svchost.exe	34
PID 2732 wrote to memory of 2808	2732	svchost.exe	34
PID 2680 wrote to memory of 2656	2680	explorer.exe	35
PID 2680 wrote to memory of 2656	2680	explorer.exe	35
PID 2680 wrote to memory of 2656	2680	explorer.exe	35
PID 2680 wrote to memory of 2656	2680	explorer.exe	35
PID 2732 wrote to memory of 2972	2732	svchost.exe	36
PID 2732 wrote to memory of 2972	2732	svchost.exe	36
PID 2732 wrote to memory of 2972	2732	svchost.exe	36
PID 2732 wrote to memory of 2972	2732	svchost.exe	36
PID 2732 wrote to memory of 1472	2732	svchost.exe	39
PID 2732 wrote to memory of 1472	2732	svchost.exe	39
PID 2732 wrote to memory of 1472	2732	svchost.exe	39
PID 2732 wrote to memory of 1472	2732	svchost.exe	39
PID 2732 wrote to memory of 944	2732	svchost.exe	42
PID 2732 wrote to memory of 944	2732	svchost.exe	42
PID 2732 wrote to memory of 944	2732	svchost.exe	42
PID 2732 wrote to memory of 944	2732	svchost.exe	42

C:\Users\Admin\AppData\Local\Temp\ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.exe
"C:\Users\Admin\AppData\Local\Temp\ae8480b3d9ca1b8f3af9abcebbafd081ae53ab86fd50955a8ae43bc2b43bd0bc.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:2628
- \??\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:2680
- - \??\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:2768
  - - \??\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:2732
    - - \??\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:2808
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 02:28 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2972
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 02:29 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1472
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 02:30 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:944
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2656

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
233KB

MD5
41132f5a1a849545b630406eb6f7454d

SHA1
a10686da496db48a622674da7e84b45f46fd7ad7

SHA256
4d692bf64eb0e0b4a8cc240d71d3e45d6c124b892ff14e3255b47fc9e6b09754

SHA512
2d0585600ea862cc231164af4b22464a83422454904b0a22e1f419d7e4591b1cf603765044225a67bbcea0aed3ec48b669f2e8a5c3edb724f10776d37fcc7578

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
233KB

MD5
9dfe87dcb8e6dc061b46abece7e108e8

SHA1
72b8d45cb1e25c39dbc910785bf1aa4f5df283ec

SHA256
8518086c4c3db214299277390e973a3a996162460c6d4ddadb90325df9f46f98

SHA512
ab63e192c6da71a668ebe427e44825ef55a1477caf12e202d39a9eabad090a28c44b5be831175082e91688b93b7eebc26cb6e8ec18336a6d2ab3a276ca728f73

Download Submit
\Windows\Resources\svchost.exe

Filesize
233KB

MD5
502ad6196812d11b638385bda8ce57f9

SHA1
446ceec2deab62f91eece05626d6a0612ae12f75

SHA256
6727809302aaca2f4ca5b5b511c3c0b04693828f4f03b6a10841a8af456ced9e

SHA512
467423fb56ac065af6c5ddc24c84160e30f93c4d1368477cc51cf14b87320a03d6abe48f8d22c06ac5039a353c20801a06242d0eab03131703e897c1fd9dfa47

Download Submit
memory/2628-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2628-12-0x0000000000440000-0x0000000000475000-memory.dmp

Filesize
212KB

Download
memory/2628-52-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2680-53-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2732-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2768-51-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2808-50-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download