fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac

Analysis

max time kernel
150s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-02-2025 08:28

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General

Target

fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
Size

135KB
MD5

3af296ab5b9ff7607a13b388c3569806
SHA1

6297f13a128b2fba5cbd8cecbc4cf50d511c6d48
SHA256

fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac
SHA512

872eb4381faae43c50b80b2c82cbeaf87ffea2b392700d986ef9a5152843e9e96f8a46ffa50b130118051d1895460b4ae05e9acf0e6ac63ea58d6d16d7e733ae
SSDEEP

1536:XfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbglB:XVqoCl/YgjxEufVU0TbTyDDaleB

Score

10^/10

defense_evasion discovery persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
2784	explorer.exe
2704	spoolsv.exe
2920	svchost.exe
2820	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2784	explorer.exe
2704	spoolsv.exe
2920	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	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.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 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

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.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

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

pid	Process
2772	schtasks.exe
1216	schtasks.exe
2992	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2784	explorer.exe
2784	explorer.exe
2784	explorer.exe
2784	explorer.exe
2784	explorer.exe
2784	explorer.exe
2784	explorer.exe
2784	explorer.exe
2784	explorer.exe
2784	explorer.exe
2784	explorer.exe
2784	explorer.exe
2784	explorer.exe
2784	explorer.exe
2784	explorer.exe
2784	explorer.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2920	svchost.exe
2784	explorer.exe
2784	explorer.exe
2784	explorer.exe
2920	svchost.exe
2920	svchost.exe
2784	explorer.exe
2920	svchost.exe
2784	explorer.exe
2920	svchost.exe
2784	explorer.exe
2920	svchost.exe
2784	explorer.exe
2920	svchost.exe
2784	explorer.exe
2920	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2784	explorer.exe
2920	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
2784	explorer.exe
2784	explorer.exe
2704	spoolsv.exe
2704	spoolsv.exe
2920	svchost.exe
2920	svchost.exe
2820	spoolsv.exe
2820	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2784	2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe	30
PID 2656 wrote to memory of 2784	2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe	30
PID 2656 wrote to memory of 2784	2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe	30
PID 2656 wrote to memory of 2784	2656	fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe	30
PID 2784 wrote to memory of 2704	2784	explorer.exe	31
PID 2784 wrote to memory of 2704	2784	explorer.exe	31
PID 2784 wrote to memory of 2704	2784	explorer.exe	31
PID 2784 wrote to memory of 2704	2784	explorer.exe	31
PID 2704 wrote to memory of 2920	2704	spoolsv.exe	32
PID 2704 wrote to memory of 2920	2704	spoolsv.exe	32
PID 2704 wrote to memory of 2920	2704	spoolsv.exe	32
PID 2704 wrote to memory of 2920	2704	spoolsv.exe	32
PID 2920 wrote to memory of 2820	2920	svchost.exe	33
PID 2920 wrote to memory of 2820	2920	svchost.exe	33
PID 2920 wrote to memory of 2820	2920	svchost.exe	33
PID 2920 wrote to memory of 2820	2920	svchost.exe	33
PID 2784 wrote to memory of 2548	2784	explorer.exe	34
PID 2784 wrote to memory of 2548	2784	explorer.exe	34
PID 2784 wrote to memory of 2548	2784	explorer.exe	34
PID 2784 wrote to memory of 2548	2784	explorer.exe	34
PID 2920 wrote to memory of 2992	2920	svchost.exe	35
PID 2920 wrote to memory of 2992	2920	svchost.exe	35
PID 2920 wrote to memory of 2992	2920	svchost.exe	35
PID 2920 wrote to memory of 2992	2920	svchost.exe	35
PID 2920 wrote to memory of 2772	2920	svchost.exe	38
PID 2920 wrote to memory of 2772	2920	svchost.exe	38
PID 2920 wrote to memory of 2772	2920	svchost.exe	38
PID 2920 wrote to memory of 2772	2920	svchost.exe	38
PID 2920 wrote to memory of 1216	2920	svchost.exe	40
PID 2920 wrote to memory of 1216	2920	svchost.exe	40
PID 2920 wrote to memory of 1216	2920	svchost.exe	40
PID 2920 wrote to memory of 1216	2920	svchost.exe	40

C:\Users\Admin\AppData\Local\Temp\fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.exe
"C:\Users\Admin\AppData\Local\Temp\fce926200a95022fe9096b31504c1815d45ddb7c05eff2e60e591487813091ac.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:2656
- \??\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:2784
- - \??\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:2704
  - - \??\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:2920
    - - \??\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:2820
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 08:30 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2992
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 08:31 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2772
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 08:32 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1216
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2548

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
37fcd7fd9046de38ea3366f54fabd624

SHA1
3d80da294189d4ba860322307bc209d055db3317

SHA256
6b6ccc43b87d7eef82e78f782d3f3d857795962e0eef6882b0f28e41239487de

SHA512
91f71772477f08798b3754bcdea49b8928ef2ebd1d49e01e329df05ba27f7ac905eccaa823d58b86646851bb165af3f77abd82d243933d95bb733a2645b04672

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

Filesize
135KB

MD5
c674134e1105aaab472a94ad2fc3767e

SHA1
05bdf14dab33d50a46f973ab410afc4fa6f42151

SHA256
7df87e6eaba29dae193e0f26fd98ef92a67b7a6d661e2286130177a1f4161130

SHA512
bbb329795a48914d46350e6a00fbcb55f72efd597cc238b0e0319d53d8068d8cb01ac178c0b7b447b455ad3af738fa90aa5f761dcca1ce1855cf83323a91983c

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

Filesize
135KB

MD5
2db280dcdf69853975c6c6d3fd61d591

SHA1
28fad0dc8ffa6047e2b7bad8d900963999efdd9d

SHA256
d2df23d3019356a468106813f73cd1675133dae80492635ffd006193e5fcae02

SHA512
6bb57f80a1aa3eb45f96e455491b893506faaf7fe40e3004fe987cfabcfb8e3f47b2cba0224901caf8c4e46a56da6cba358575803b4fbd8e8d1437bc4b4a3177

Download Submit
memory/2656-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2656-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2704-41-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2784-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2784-44-0x00000000002D0000-0x00000000002EF000-memory.dmp

Filesize
124KB

Download
memory/2820-40-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2920-35-0x00000000002F0000-0x000000000030F000-memory.dmp

Filesize
124KB

Download
memory/2920-45-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2920-46-0x00000000002F0000-0x000000000030F000-memory.dmp

Filesize
124KB

Download