7f5ee35316a658826b4a96bc92a0367c7730d43a77f1bbe3270f0c5b25a093b3

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
29-08-2024 09:52

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General

Target

109746509cb3d0c491acb84b34970a00N.exe
Size

206KB
MD5

109746509cb3d0c491acb84b34970a00
SHA1

64b419fe500c62c7861b61139bdd682d4c47d5a9
SHA256

7f5ee35316a658826b4a96bc92a0367c7730d43a77f1bbe3270f0c5b25a093b3
SHA512

cbbf6505150d7b71e8560eea162b30b59128ea9189ee05da31d2b418b53f291db233acd9775a4223ab13eee8e1534336e9d87ba5bdc3c3e9e352d6d824997935
SSDEEP

1536:/fsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbJd5:/VqoCl/YgjxEufVU0TbTyDDalb5

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-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
2744	explorer.exe
2684	spoolsv.exe
2844	svchost.exe
2604	spoolsv.exe

Loads dropped DLL 8 IoCs

pid	Process
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
2744	explorer.exe
2744	explorer.exe
2684	spoolsv.exe
2684	spoolsv.exe
2844	svchost.exe
2844	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	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	109746509cb3d0c491acb84b34970a00N.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	109746509cb3d0c491acb84b34970a00N.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

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
2876	schtasks.exe
2096	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
2744	explorer.exe
2744	explorer.exe
2744	explorer.exe
2744	explorer.exe
2744	explorer.exe
2744	explorer.exe
2744	explorer.exe
2744	explorer.exe
2744	explorer.exe
2744	explorer.exe
2744	explorer.exe
2744	explorer.exe
2744	explorer.exe
2744	explorer.exe
2744	explorer.exe
2744	explorer.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2744	explorer.exe
2744	explorer.exe
2744	explorer.exe
2844	svchost.exe
2844	svchost.exe
2844	svchost.exe
2744	explorer.exe
2744	explorer.exe
2844	svchost.exe
2744	explorer.exe
2844	svchost.exe
2744	explorer.exe
2844	svchost.exe
2844	svchost.exe
2744	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2844	svchost.exe
2744	explorer.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1424	109746509cb3d0c491acb84b34970a00N.exe
1424	109746509cb3d0c491acb84b34970a00N.exe
2744	explorer.exe
2744	explorer.exe
2684	spoolsv.exe
2684	spoolsv.exe
2844	svchost.exe
2844	svchost.exe
2604	spoolsv.exe
2604	spoolsv.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 2744	1424	109746509cb3d0c491acb84b34970a00N.exe	31
PID 1424 wrote to memory of 2744	1424	109746509cb3d0c491acb84b34970a00N.exe	31
PID 1424 wrote to memory of 2744	1424	109746509cb3d0c491acb84b34970a00N.exe	31
PID 1424 wrote to memory of 2744	1424	109746509cb3d0c491acb84b34970a00N.exe	31
PID 2744 wrote to memory of 2684	2744	explorer.exe	32
PID 2744 wrote to memory of 2684	2744	explorer.exe	32
PID 2744 wrote to memory of 2684	2744	explorer.exe	32
PID 2744 wrote to memory of 2684	2744	explorer.exe	32
PID 2684 wrote to memory of 2844	2684	spoolsv.exe	33
PID 2684 wrote to memory of 2844	2684	spoolsv.exe	33
PID 2684 wrote to memory of 2844	2684	spoolsv.exe	33
PID 2684 wrote to memory of 2844	2684	spoolsv.exe	33
PID 2844 wrote to memory of 2604	2844	svchost.exe	34
PID 2844 wrote to memory of 2604	2844	svchost.exe	34
PID 2844 wrote to memory of 2604	2844	svchost.exe	34
PID 2844 wrote to memory of 2604	2844	svchost.exe	34
PID 2744 wrote to memory of 2624	2744	explorer.exe	35
PID 2744 wrote to memory of 2624	2744	explorer.exe	35
PID 2744 wrote to memory of 2624	2744	explorer.exe	35
PID 2744 wrote to memory of 2624	2744	explorer.exe	35
PID 2844 wrote to memory of 2096	2844	svchost.exe	36
PID 2844 wrote to memory of 2096	2844	svchost.exe	36
PID 2844 wrote to memory of 2096	2844	svchost.exe	36
PID 2844 wrote to memory of 2096	2844	svchost.exe	36
PID 2844 wrote to memory of 2876	2844	svchost.exe	39
PID 2844 wrote to memory of 2876	2844	svchost.exe	39
PID 2844 wrote to memory of 2876	2844	svchost.exe	39
PID 2844 wrote to memory of 2876	2844	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\109746509cb3d0c491acb84b34970a00N.exe
"C:\Users\Admin\AppData\Local\Temp\109746509cb3d0c491acb84b34970a00N.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:1424
- \??\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:2744
- - \??\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:2684
  - - \??\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:2844
    - - \??\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:2604
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 09:54 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2096
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 09:55 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2876
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2624

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
207KB

MD5
759d6887e5a9539865d104cfdb19d9a8

SHA1
9ce4248bbe17efb291677f0f7f0af25414a61f78

SHA256
5652bb443bcf151ffe9c42b6542880bfb9cac6d3ea5db69bfa38c218fa173b92

SHA512
81a1c4d2b0522f15d7a3cf2b9beb3d64911bbd7c7cfeac0637dad9350714862b9f82bb876fa0e5bea7eb630ab81be7b6e10ab4ef0feb7773c63d9d20afa57fc8

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
206KB

MD5
8ec6b308862b7ab76a52a271a4518d63

SHA1
e2ded09f2aecf923b0cfee4590e2a5ce51d06fb9

SHA256
9509374e4472d884fa50455d1fa39eb40393cfafac1489cc0c465bc740a3f022

SHA512
697d4168c14d1f04b077ff6dbb0a1de260ca3625f0537176fcf058777b246c7079c87ba3e81cfa14943f78faf7ae98bbcc29ee998562af54e82ec5f600061d2c

Download Submit
\Windows\Resources\svchost.exe

Filesize
206KB

MD5
f282203618a22e96ce249f85aed8cb4b

SHA1
0c00c42d2aa72b299d693fcb5d7b9e3de4b39e3c

SHA256
4f2f1cad5fdc025f4cb045b56b990a849842b51a16717632a82e49a96adb23ff

SHA512
4c6d2a9681b5d021660d577f9596521fba7c8b372100ba73a11b4fca37a3086ffe58ea5423591a6400f993798793324ef194cb1b601c0077142fde44ba560930

Download Submit
memory/1424-54-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1424-13-0x00000000003A0000-0x00000000003CF000-memory.dmp

Filesize
188KB

Download
memory/1424-14-0x00000000003A0000-0x00000000003CF000-memory.dmp

Filesize
188KB

Download
memory/1424-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2604-52-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2684-40-0x00000000002A0000-0x00000000002CF000-memory.dmp

Filesize
188KB

Download
memory/2684-53-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2744-55-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2844-56-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2844-57-0x00000000003B0000-0x00000000003DF000-memory.dmp

Filesize
188KB

Download