bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 03:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
Size

135KB
MD5

c2b70ac803a3125ffcc5f3ac7f0097c6
SHA1

c1234de17084f3150ca662f76af203b80837d917
SHA256

bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e
SHA512

a5dea0aa1c9c6819115ecc9f945b43fda143c2170d3b9a5bf882c2dc166b7eb4257046c201cc0f2eb0c4943818f2a1d2b48ef0aa839ffdffda49aaaeb1d28bcb
SSDEEP

1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVmu:UVqoCl/YgjxEufVU0TbTyDDalQu

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
2192	explorer.exe
3056	spoolsv.exe
3068	svchost.exe
3016	spoolsv.exe

Loads dropped DLL 4 IoCs

Processes:

bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exeexplorer.exespoolsv.exesvchost.exe

pid	Process
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
2192	explorer.exe
3056	spoolsv.exe
3068	svchost.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:

spoolsv.exeexplorer.exebd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe

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	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
File opened for modification	\??\c:\windows\resources\spoolsv.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:

bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exeexplorer.exespoolsv.exesvchost.exespoolsv.exeschtasks.exeschtasks.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.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

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid	Process
2768	schtasks.exe
2432	schtasks.exe
2168	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exeexplorer.exesvchost.exe

pid	Process
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
2192	explorer.exe
2192	explorer.exe
2192	explorer.exe
3068	svchost.exe
3068	svchost.exe
2192	explorer.exe
3068	svchost.exe
2192	explorer.exe
3068	svchost.exe
2192	explorer.exe
2192	explorer.exe
3068	svchost.exe
2192	explorer.exe
3068	svchost.exe
2192	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

explorer.exesvchost.exe

pid	Process
2192	explorer.exe
3068	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exeexplorer.exespoolsv.exesvchost.exespoolsv.exe

pid	Process
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
2192	explorer.exe
2192	explorer.exe
3056	spoolsv.exe
3056	spoolsv.exe
3068	svchost.exe
3068	svchost.exe
3016	spoolsv.exe
3016	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exeexplorer.exespoolsv.exesvchost.exe

description	pid	Process	procid_target
PID 3012 wrote to memory of 2192	3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe	30
PID 3012 wrote to memory of 2192	3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe	30
PID 3012 wrote to memory of 2192	3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe	30
PID 3012 wrote to memory of 2192	3012	bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe	30
PID 2192 wrote to memory of 3056	2192	explorer.exe	31
PID 2192 wrote to memory of 3056	2192	explorer.exe	31
PID 2192 wrote to memory of 3056	2192	explorer.exe	31
PID 2192 wrote to memory of 3056	2192	explorer.exe	31
PID 3056 wrote to memory of 3068	3056	spoolsv.exe	32
PID 3056 wrote to memory of 3068	3056	spoolsv.exe	32
PID 3056 wrote to memory of 3068	3056	spoolsv.exe	32
PID 3056 wrote to memory of 3068	3056	spoolsv.exe	32
PID 3068 wrote to memory of 3016	3068	svchost.exe	33
PID 3068 wrote to memory of 3016	3068	svchost.exe	33
PID 3068 wrote to memory of 3016	3068	svchost.exe	33
PID 3068 wrote to memory of 3016	3068	svchost.exe	33
PID 2192 wrote to memory of 2936	2192	explorer.exe	34
PID 2192 wrote to memory of 2936	2192	explorer.exe	34
PID 2192 wrote to memory of 2936	2192	explorer.exe	34
PID 2192 wrote to memory of 2936	2192	explorer.exe	34
PID 3068 wrote to memory of 2768	3068	svchost.exe	35
PID 3068 wrote to memory of 2768	3068	svchost.exe	35
PID 3068 wrote to memory of 2768	3068	svchost.exe	35
PID 3068 wrote to memory of 2768	3068	svchost.exe	35
PID 3068 wrote to memory of 2432	3068	svchost.exe	38
PID 3068 wrote to memory of 2432	3068	svchost.exe	38
PID 3068 wrote to memory of 2432	3068	svchost.exe	38
PID 3068 wrote to memory of 2432	3068	svchost.exe	38
PID 3068 wrote to memory of 2168	3068	svchost.exe	41
PID 3068 wrote to memory of 2168	3068	svchost.exe	41
PID 3068 wrote to memory of 2168	3068	svchost.exe	41
PID 3068 wrote to memory of 2168	3068	svchost.exe	41

C:\Users\Admin\AppData\Local\Temp\bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.exe
"C:\Users\Admin\AppData\Local\Temp\bd72b3de20dc8408a601863b10f0d9cce916ee6f445fbf883749a24fd20a351e.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:3012
- \??\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:2192
- - \??\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:3056
  - - \??\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:3068
    - - \??\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:3016
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 03:55 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2768
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 03:56 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2432
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 03:57 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2168
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2936

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

Loading Replay Monitor...

Downloads

\Windows\Resources\Themes\explorer.exe

Filesize
135KB

MD5
4007422b290d3cf08c9c868ce812d8a7

SHA1
9fde43e2090ee37c6ae27a2388357c0ef0cd19c2

SHA256
f3e4cb4f916aa53b27423b395621fe51c54edb67708e73ad771d8daa81ac11bc

SHA512
97e5c4c11e19c7fed28ba689c407586fe14485bffb3f75a3f4c85102ff92573d7f8bc5578be202a30e6a31417a3d1d60afb850876e4bdf0a26d7e2d71e02b6cc

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
f26ed993eeb4e65bbc126f610e18d540

SHA1
977c943cbc96b7d9e2769c4865accb4290fffe40

SHA256
b4c7a3c424da3af638923a6e8930a8b18882d8bad1bf977c0560915e2efc1ff3

SHA512
c5b8f3c26c88884038d6c0d338de77d45e4871f89fd871c0da5f5f43981aee39c0ba8b33f8cb31fd02fdc907c6887a6cb123ef6819daa859c5e2cac1d08e7cf8

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
9608d7fc5a1b87cf637eb5fc776f3b23

SHA1
04ee45f08b65f07b6476a79c0f0a9560d3af8ee7

SHA256
a71459b4ad1cc0c8c3bf451d9e9340925fa77284dc10e1ce83dffd1c3695b4c8

SHA512
ecd14aa57855ab52c095d30bd3b188fefb54d44dc104cf4e92194bfc4597dcbd47e494e0fef59bd51bd588f1e3023d99d201d95a6200ed232104f5d429bb1758

Download Submit
memory/2192-44-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2192-45-0x0000000000280000-0x000000000029F000-memory.dmp

Filesize
124KB

Download
memory/3012-9-0x00000000002C0000-0x00000000002DF000-memory.dmp

Filesize
124KB

Download
memory/3012-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3012-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3016-41-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3056-31-0x0000000000420000-0x000000000043F000-memory.dmp

Filesize
124KB

Download
memory/3056-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3068-46-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3068-47-0x0000000000270000-0x000000000028F000-memory.dmp

Filesize
124KB

Download