5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 23:21

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General

Target

5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
Size

135KB
MD5

17b0b82c62c97a1615bff55c490a19ed
SHA1

247800f9ef5d5a3b884cf1f16166ab337657073c
SHA256

5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c
SHA512

992f5bdd97681f21804e908bec40a0c7a5c34a69a0eef4d3cbf88c041aaf5222258c247a4ac3fc9aed2ec7ad1728a290f8689609badeab68d57584d3d3edc9dc
SSDEEP

1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVwdz88888888888x:UVqoCl/YgjxEufVU0TbTyDDalWd+

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe

Executes dropped EXE 4 IoCs

pid	Process
2644	explorer.exe
2796	spoolsv.exe
2636	svchost.exe
2540	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2644	explorer.exe
2796	spoolsv.exe
2636	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\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
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.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	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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.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 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2560	schtasks.exe
2692	schtasks.exe
2932	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2644	explorer.exe
2644	explorer.exe
2644	explorer.exe
2644	explorer.exe
2644	explorer.exe
2644	explorer.exe
2644	explorer.exe
2644	explorer.exe
2644	explorer.exe
2644	explorer.exe
2644	explorer.exe
2644	explorer.exe
2644	explorer.exe
2644	explorer.exe
2644	explorer.exe
2644	explorer.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2636	svchost.exe
2644	explorer.exe
2636	svchost.exe
2636	svchost.exe
2644	explorer.exe
2644	explorer.exe
2644	explorer.exe
2636	svchost.exe
2636	svchost.exe
2644	explorer.exe
2644	explorer.exe
2636	svchost.exe
2644	explorer.exe
2636	svchost.exe
2636	svchost.exe
2644	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2636	svchost.exe
2644	explorer.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
2644	explorer.exe
2644	explorer.exe
2796	spoolsv.exe
2796	spoolsv.exe
2636	svchost.exe
2636	svchost.exe
2540	spoolsv.exe
2540	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 2644	2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe	30
PID 2200 wrote to memory of 2644	2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe	30
PID 2200 wrote to memory of 2644	2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe	30
PID 2200 wrote to memory of 2644	2200	5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe	30
PID 2644 wrote to memory of 2796	2644	explorer.exe	31
PID 2644 wrote to memory of 2796	2644	explorer.exe	31
PID 2644 wrote to memory of 2796	2644	explorer.exe	31
PID 2644 wrote to memory of 2796	2644	explorer.exe	31
PID 2796 wrote to memory of 2636	2796	spoolsv.exe	32
PID 2796 wrote to memory of 2636	2796	spoolsv.exe	32
PID 2796 wrote to memory of 2636	2796	spoolsv.exe	32
PID 2796 wrote to memory of 2636	2796	spoolsv.exe	32
PID 2636 wrote to memory of 2540	2636	svchost.exe	33
PID 2636 wrote to memory of 2540	2636	svchost.exe	33
PID 2636 wrote to memory of 2540	2636	svchost.exe	33
PID 2636 wrote to memory of 2540	2636	svchost.exe	33
PID 2644 wrote to memory of 2676	2644	explorer.exe	34
PID 2644 wrote to memory of 2676	2644	explorer.exe	34
PID 2644 wrote to memory of 2676	2644	explorer.exe	34
PID 2644 wrote to memory of 2676	2644	explorer.exe	34
PID 2636 wrote to memory of 2560	2636	svchost.exe	35
PID 2636 wrote to memory of 2560	2636	svchost.exe	35
PID 2636 wrote to memory of 2560	2636	svchost.exe	35
PID 2636 wrote to memory of 2560	2636	svchost.exe	35
PID 2636 wrote to memory of 2692	2636	svchost.exe	39
PID 2636 wrote to memory of 2692	2636	svchost.exe	39
PID 2636 wrote to memory of 2692	2636	svchost.exe	39
PID 2636 wrote to memory of 2692	2636	svchost.exe	39
PID 2636 wrote to memory of 2932	2636	svchost.exe	41
PID 2636 wrote to memory of 2932	2636	svchost.exe	41
PID 2636 wrote to memory of 2932	2636	svchost.exe	41
PID 2636 wrote to memory of 2932	2636	svchost.exe	41

C:\Users\Admin\AppData\Local\Temp\5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.exe
"C:\Users\Admin\AppData\Local\Temp\5ec15f5f6fe64d7dcdaf5ac5efa5c34d4ec565485b41e3e6db6b2979b5ed642c.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:2200
- \??\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:2644
- - \??\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:2796
  - - \??\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:2636
    - - \??\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:2540
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:23 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2560
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:24 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2692
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 23:25 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2932
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2676

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
02b0ccb7b6f07db76a00d1f0fc5bb154

SHA1
13a1ef73c73b11cfb7217b34874ef15361a01886

SHA256
ee762520b43923480d12646083af4a35b69af6dd4bf3e3cc8e7a6c1d497d0e3c

SHA512
80b827400b2609959c2154204eb53e4e759ac4fb06d6931b5e5c7b4c2e28f42cff100791d2a29d3a332800558c1c61210b42594795968afe566f9cc138059a5f

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

Filesize
135KB

MD5
9d31bc848738813578d2bef21843a7f2

SHA1
bfea651f2c9e120d63d7fbac489fae23e874d34a

SHA256
464b37e4f221542b79bed2e00dd08dd6163345e0aa4a4b5b117eb7d00ea42c23

SHA512
67ff27976930b987e0b763c2bd3618dcf211c50bff6194c063ab673b8ba6fb4857bcba2926b4e7fcab04e467046d2a1413878d3b2c8b80c00d97b4796c3bf0f7

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
693596274fd908a8881f9a2f92ce136a

SHA1
195c4ad4f5e21b783a9c789aff2b8c9d385ed473

SHA256
3473ce33810875577ba3d943da550bc661315468f01c4dc116253e05ad01cb0e

SHA512
786d4616d0c68a8625f7123dcc5655ebfc70b93192eee43c13a934fc7a08624b4d8e8c7a1f1dd13a6ff6f0496a507e81106a7974af3e188f75b8b0472dc55a42

Download Submit
memory/2200-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2200-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2540-40-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2636-35-0x0000000000310000-0x000000000032F000-memory.dmp

Filesize
124KB

Download
memory/2636-44-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2644-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2796-41-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download