4b88d014ff5456f0a977b13ad4bfdf1ad343c1e5764a000e10e6ee57b8558fca

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05/08/2024, 08:15

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General

Target

6be7110fc899c1da195cf897ba2ec060N.exe
Size

135KB
MD5

6be7110fc899c1da195cf897ba2ec060
SHA1

d471694dce574389703b31ec88d95a6810a24748
SHA256

4b88d014ff5456f0a977b13ad4bfdf1ad343c1e5764a000e10e6ee57b8558fca
SHA512

4f4519220cdf9e253c52031b4de4e02034bb1cd998e6a71d95210a3ba73042255483c099a510a3242a46bfda0f7ff78fca2b33818f88c076704a1158d163e470
SSDEEP

1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVHU:UVqoCl/YgjxEufVU0TbTyDDaldU

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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
2660	explorer.exe
2916	spoolsv.exe
2668	svchost.exe
2580	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2660	explorer.exe
2916	spoolsv.exe
2668	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\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	6be7110fc899c1da195cf897ba2ec060N.exe
File opened for modification	\??\c:\windows\resources\spoolsv.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	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	6be7110fc899c1da195cf897ba2ec060N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.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
1864	schtasks.exe
2584	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2660	explorer.exe
2660	explorer.exe
2660	explorer.exe
2660	explorer.exe
2660	explorer.exe
2660	explorer.exe
2660	explorer.exe
2660	explorer.exe
2660	explorer.exe
2660	explorer.exe
2660	explorer.exe
2660	explorer.exe
2660	explorer.exe
2660	explorer.exe
2660	explorer.exe
2660	explorer.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2668	svchost.exe
2660	explorer.exe
2660	explorer.exe
2660	explorer.exe
2668	svchost.exe
2668	svchost.exe
2660	explorer.exe
2660	explorer.exe
2668	svchost.exe
2660	explorer.exe
2668	svchost.exe
2660	explorer.exe
2668	svchost.exe
2660	explorer.exe
2668	svchost.exe
2660	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2660	explorer.exe
2668	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2184	6be7110fc899c1da195cf897ba2ec060N.exe
2660	explorer.exe
2660	explorer.exe
2916	spoolsv.exe
2916	spoolsv.exe
2668	svchost.exe
2668	svchost.exe
2580	spoolsv.exe
2580	spoolsv.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2660	2184	6be7110fc899c1da195cf897ba2ec060N.exe	30
PID 2184 wrote to memory of 2660	2184	6be7110fc899c1da195cf897ba2ec060N.exe	30
PID 2184 wrote to memory of 2660	2184	6be7110fc899c1da195cf897ba2ec060N.exe	30
PID 2184 wrote to memory of 2660	2184	6be7110fc899c1da195cf897ba2ec060N.exe	30
PID 2660 wrote to memory of 2916	2660	explorer.exe	31
PID 2660 wrote to memory of 2916	2660	explorer.exe	31
PID 2660 wrote to memory of 2916	2660	explorer.exe	31
PID 2660 wrote to memory of 2916	2660	explorer.exe	31
PID 2916 wrote to memory of 2668	2916	spoolsv.exe	32
PID 2916 wrote to memory of 2668	2916	spoolsv.exe	32
PID 2916 wrote to memory of 2668	2916	spoolsv.exe	32
PID 2916 wrote to memory of 2668	2916	spoolsv.exe	32
PID 2668 wrote to memory of 2580	2668	svchost.exe	33
PID 2668 wrote to memory of 2580	2668	svchost.exe	33
PID 2668 wrote to memory of 2580	2668	svchost.exe	33
PID 2668 wrote to memory of 2580	2668	svchost.exe	33
PID 2660 wrote to memory of 2736	2660	explorer.exe	34
PID 2660 wrote to memory of 2736	2660	explorer.exe	34
PID 2660 wrote to memory of 2736	2660	explorer.exe	34
PID 2660 wrote to memory of 2736	2660	explorer.exe	34
PID 2668 wrote to memory of 2584	2668	svchost.exe	35
PID 2668 wrote to memory of 2584	2668	svchost.exe	35
PID 2668 wrote to memory of 2584	2668	svchost.exe	35
PID 2668 wrote to memory of 2584	2668	svchost.exe	35
PID 2668 wrote to memory of 1864	2668	svchost.exe	38
PID 2668 wrote to memory of 1864	2668	svchost.exe	38
PID 2668 wrote to memory of 1864	2668	svchost.exe	38
PID 2668 wrote to memory of 1864	2668	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\6be7110fc899c1da195cf897ba2ec060N.exe
"C:\Users\Admin\AppData\Local\Temp\6be7110fc899c1da195cf897ba2ec060N.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:2184
- \??\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:2660
- - \??\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:2916
  - - \??\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:2668
    - - \??\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:2580
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 08:17 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2584
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 08:18 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1864
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2736

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

C:\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
47148f55b418382e8f19040918555dbe

SHA1
b7477792e567a9d13fd7f53a93788274757cdfd5

SHA256
083d6a336b5c07d50d650e63be4ee31929b12bc97fea3cc553e071a2a690bd51

SHA512
654d023a407094bca76bd91becb8e1b1c9e9c8ec7a0454e238d592473acfebfc83d9425222a9f4610e881b8afc7e9e53db0759a25294a2d1fb7ca4961c8b2c68

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

Filesize
135KB

MD5
ee826f6b35d57617e7d50eb90cf4ea7e

SHA1
fd36048dd251af2d50558faa76ed3670adcd0e70

SHA256
cd33f772e6a6ea3dfb21f4100d61f93239ae2bf50ecf48cc050bb476e77f0ff3

SHA512
932f7144454dc81e644bc33d55d8e846527038de2410b48e67fecf52ce9acb80795737480e0dd27ccac0c6bb097125aa9eedb3a7894d2cad43f4f04a948d4020

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
e252b89433ebdbab767091617242a1a3

SHA1
fd626386024711f859d531eacf67475a1ddf4583

SHA256
0f462d333c1c33bfa0f82a8531c6f34aa57496e5500b620f74ec43494e55da3d

SHA512
93c6e57b7eb3c3ca95ff36af30c47b067b2a5da57c26997749ca3c74095c93fff6297ed46a17509d8ad3a15984891032fb75092c58e61ffdf8ba155a094f168c

Download Submit
memory/2184-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2184-10-0x00000000002D0000-0x00000000002EF000-memory.dmp

Filesize
124KB

Download
memory/2184-44-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2580-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2668-38-0x0000000000500000-0x000000000051F000-memory.dmp

Filesize
124KB

Download
memory/2916-31-0x0000000000370000-0x000000000038F000-memory.dmp

Filesize
124KB

Download
memory/2916-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download