d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 05:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
Size

135KB
MD5

c8f3ab345a36a090adb5089efaed77c0
SHA1

cc0b4e2fbf198ad298af1ac03b7e4709d9b51c09
SHA256

d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663
SHA512

38f31d1e02c15cb145ceb1fb86490653feae53a5031d8234294d0d79948124633f33aecb1a71f26df3b1ed61d1e5200b80540ae05b43b9d5d8a83f4a11f43b19
SSDEEP

1536:XfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbgGL:XVqoCl/YgjxEufVU0TbTyDDal5L

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
2696	explorer.exe
2756	spoolsv.exe
2764	svchost.exe
2812	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
2696	explorer.exe
2756	spoolsv.exe
2764	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	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.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 7 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	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.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

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2744	schtasks.exe
1784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2764	svchost.exe
2696	explorer.exe
2696	explorer.exe
2696	explorer.exe
2764	svchost.exe
2764	svchost.exe
2696	explorer.exe
2764	svchost.exe
2696	explorer.exe
2764	svchost.exe
2696	explorer.exe
2764	svchost.exe
2696	explorer.exe
2764	svchost.exe
2696	explorer.exe
2764	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2696	explorer.exe
2764	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
2696	explorer.exe
2696	explorer.exe
2756	spoolsv.exe
2756	spoolsv.exe
2764	svchost.exe
2764	svchost.exe
2812	spoolsv.exe
2812	spoolsv.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 2696	1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe	30
PID 1656 wrote to memory of 2696	1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe	30
PID 1656 wrote to memory of 2696	1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe	30
PID 1656 wrote to memory of 2696	1656	d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe	30
PID 2696 wrote to memory of 2756	2696	explorer.exe	31
PID 2696 wrote to memory of 2756	2696	explorer.exe	31
PID 2696 wrote to memory of 2756	2696	explorer.exe	31
PID 2696 wrote to memory of 2756	2696	explorer.exe	31
PID 2756 wrote to memory of 2764	2756	spoolsv.exe	32
PID 2756 wrote to memory of 2764	2756	spoolsv.exe	32
PID 2756 wrote to memory of 2764	2756	spoolsv.exe	32
PID 2756 wrote to memory of 2764	2756	spoolsv.exe	32
PID 2764 wrote to memory of 2812	2764	svchost.exe	33
PID 2764 wrote to memory of 2812	2764	svchost.exe	33
PID 2764 wrote to memory of 2812	2764	svchost.exe	33
PID 2764 wrote to memory of 2812	2764	svchost.exe	33
PID 2696 wrote to memory of 2920	2696	explorer.exe	34
PID 2696 wrote to memory of 2920	2696	explorer.exe	34
PID 2696 wrote to memory of 2920	2696	explorer.exe	34
PID 2696 wrote to memory of 2920	2696	explorer.exe	34
PID 2764 wrote to memory of 2744	2764	svchost.exe	35
PID 2764 wrote to memory of 2744	2764	svchost.exe	35
PID 2764 wrote to memory of 2744	2764	svchost.exe	35
PID 2764 wrote to memory of 2744	2764	svchost.exe	35
PID 2764 wrote to memory of 1784	2764	svchost.exe	38
PID 2764 wrote to memory of 1784	2764	svchost.exe	38
PID 2764 wrote to memory of 1784	2764	svchost.exe	38
PID 2764 wrote to memory of 1784	2764	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.exe
"C:\Users\Admin\AppData\Local\Temp\d57afe4bded426844343be84945753eaa4d719b73006a4e9db7db8e48f9cd663N.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:1656
- \??\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:2696
- - \??\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:2756
  - - \??\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:2764
    - - \??\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:2812
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 05:16 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2744
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 05:17 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1784
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2920

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

C:\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
3057f9f8a86a2c160fea33a48c1a853f

SHA1
de09c7b1e9e6d52b4e882d1a792c997efe102315

SHA256
8c0e4bcffaa7b5388aa1aa0ec93b1b33afe48645cdcfe788a53a44d6f960b0d4

SHA512
dfba67c4eea941b3bd267c40b3c95e7cbe74ed903aa4d536bbb0c6efcc41e066641d17c6641d1c280a8507a394f0aa263288b81d1afc5d2360779297c0516024

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

Filesize
135KB

MD5
5d32d8486dfde2afce10578a189f703c

SHA1
cb62fb49a277784eed6b7c3e974742e84e4131f1

SHA256
f32e325e4fafa3dcccfba981222f0b65e764c4ac27a56e871faff8fedd3b8a0f

SHA512
f763835bd39e9f2fcb66098f94aad27972458007b88fc39eea496fee27a5f9f3fa48b62fd289566e29b6db3bad78d5066cf48f1a8d2d7e6f51d872587fc83422

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
bf71a40cb4f3705df1235a61b17dafb7

SHA1
7669b973246e1ab1b5cd5e4af27ce8922acc88b3

SHA256
a696cff3d12c6ceb30223c7e4ab905f0d04d0b73db63397c9c8cdbb4ccb4f22d

SHA512
9022fe886c0868af5fdac0fe522a4361149ae38738f016bd06f3801416df9d45a6e89bfb4be2f65c487f9ae2d67cd29c72bf0c4bb87ffd6638a5b1bb2563fd2a

Download Submit
memory/1656-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1656-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2696-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2756-30-0x00000000003A0000-0x00000000003BF000-memory.dmp

Filesize
124KB

Download
memory/2756-41-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2764-44-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2764-45-0x0000000000270000-0x000000000028F000-memory.dmp

Filesize
124KB

Download
memory/2812-40-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download