e5187504dbee97940410e574706c302496b94e073c1af6d2fb536e2f36453685

Analysis

max time kernel
120s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 13:21

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General

Target

d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
Size

135KB
MD5

d48e2bdf8cc1f96099c1c0fb91f3b380
SHA1

a411fed949a848db5742669fc27cc0ab23d4e140
SHA256

e5187504dbee97940410e574706c302496b94e073c1af6d2fb536e2f36453685
SHA512

46e3487a9aebbade9388eaa096d2e1111b62931df579d1e699c418f6e21a1fac955154d41c5e876c81a74f35ac7900d1a624071d293dc6fe5a464b38808f3d11
SSDEEP

1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVBYz:UVqoCl/YgjxEufVU0TbTyDDalsz

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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
4320	explorer.exe
2084	spoolsv.exe
2668	svchost.exe
1136	spoolsv.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	d48e2bdf8cc1f96099c1c0fb91f3b380N.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 5 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	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe
4320	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
4320	explorer.exe
2668	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
4320	explorer.exe
4320	explorer.exe
2084	spoolsv.exe
2084	spoolsv.exe
2668	svchost.exe
2668	svchost.exe
1136	spoolsv.exe
1136	spoolsv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 4320	4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe	84
PID 4612 wrote to memory of 4320	4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe	84
PID 4612 wrote to memory of 4320	4612	d48e2bdf8cc1f96099c1c0fb91f3b380N.exe	84
PID 4320 wrote to memory of 2084	4320	explorer.exe	86
PID 4320 wrote to memory of 2084	4320	explorer.exe	86
PID 4320 wrote to memory of 2084	4320	explorer.exe	86
PID 2084 wrote to memory of 2668	2084	spoolsv.exe	87
PID 2084 wrote to memory of 2668	2084	spoolsv.exe	87
PID 2084 wrote to memory of 2668	2084	spoolsv.exe	87
PID 2668 wrote to memory of 1136	2668	svchost.exe	88
PID 2668 wrote to memory of 1136	2668	svchost.exe	88
PID 2668 wrote to memory of 1136	2668	svchost.exe	88

C:\Users\Admin\AppData\Local\Temp\d48e2bdf8cc1f96099c1c0fb91f3b380N.exe
"C:\Users\Admin\AppData\Local\Temp\d48e2bdf8cc1f96099c1c0fb91f3b380N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4612
- \??\c:\windows\resources\themes\explorer.exe
  c:\windows\resources\themes\explorer.exe
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - 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:4320
- - \??\c:\windows\resources\spoolsv.exe
    c:\windows\resources\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2084
  - - \??\c:\windows\resources\svchost.exe
      c:\windows\resources\svchost.exe
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Adds Run key to start application
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      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:1136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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\Themes\explorer.exe

Filesize
135KB

MD5
0a45773ecdbb6b19ddfd18486d70e7c0

SHA1
52422fd8343d13109419d215ad22f0e8a817e716

SHA256
7e17e565888bb6c17278c9df95087d8925e324ba69e69fa3aa53dce8c254eada

SHA512
f3fdc81afba5ca830a4a085f752ecaace7d4b2ad290e798ae79c44cc84c28e426352f5b5604706a0f8691eb8570f26c4cd78562bba72884dc408ad1e6362fea9

Download Submit
C:\Windows\Resources\spoolsv.exe

Filesize
135KB

MD5
59bbf258b0b501cb3263055ae648ddd0

SHA1
4a1215cfb79025a5892d865505bde926873befbf

SHA256
b30c9aa48d955cef64adc4ddd42b4ec9d225a24bb171d79a0af97e34b6d25b6a

SHA512
ff93815e5440ec3d61dd30d044f7cd57e74cde4cb1dff087b5658e2e48d0d921b05081f46d8b320106ef1dedae94c9bd96bb5e44c9cff1fb6a403057e13e09ec

Download Submit
C:\Windows\Resources\svchost.exe

Filesize
135KB

MD5
b3999cfd9c7c953b32a1decf3a9e5ab4

SHA1
0456b41b79ae574058bf5511d7043fbd07f7dd33

SHA256
ef648c19b243b600bfde51b8e0c65402dd911e3c703d6584bfb50b8f326bf0ef

SHA512
3ff4d3a30a7f665e1b0a38d85c832c19c6c2a6427975f0469eb7e0e9ee75d315ca8e0a858fa8fa88e4a6828c0cc1ca6fe929036d9a28fbfe10875980c57103da

Download Submit
memory/1136-33-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2084-34-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2668-37-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4320-9-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4320-36-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4612-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/4612-35-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download