d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64

Analysis

max time kernel
65s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 09:12

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General

Target

d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
Size

135KB
MD5

950b8d7ea0857324d631fac44ed1e8d0
SHA1

60c200f453ff3dc77df5efcdc6bb50411c074645
SHA256

d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64
SHA512

0511fa48f9f3437f228f98470cdf46f2ce56a63a8b8f9b38671d4161e0710b0dcb5331c1dbb5221f75e782168ecc36ca535934457fe888cb3d3bd48106eca4e2
SSDEEP

1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVXY:UVqoCl/YgjxEufVU0TbTyDDalRY

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

Executes dropped EXE 4 IoCs

pid	Process
2100	explorer.exe
1228	spoolsv.exe
2516	svchost.exe
2120	spoolsv.exe

Loads dropped DLL 4 IoCs

pid	Process
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2100	explorer.exe
1228	spoolsv.exe
2516	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	svchost.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.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	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.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

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
2688	schtasks.exe
2472	schtasks.exe
2772	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2100	explorer.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2516	svchost.exe
2100	explorer.exe
2100	explorer.exe
2516	svchost.exe
2100	explorer.exe
2516	svchost.exe
2100	explorer.exe
2516	svchost.exe
2100	explorer.exe
2516	svchost.exe
2516	svchost.exe
2100	explorer.exe
2100	explorer.exe
2516	svchost.exe
2516	svchost.exe
2100	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2100	explorer.exe
2516	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
2100	explorer.exe
2100	explorer.exe
1228	spoolsv.exe
1228	spoolsv.exe
2516	svchost.exe
2516	svchost.exe
2120	spoolsv.exe
2120	spoolsv.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2100	2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe	30
PID 2356 wrote to memory of 2100	2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe	30
PID 2356 wrote to memory of 2100	2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe	30
PID 2356 wrote to memory of 2100	2356	d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe	30
PID 2100 wrote to memory of 1228	2100	explorer.exe	31
PID 2100 wrote to memory of 1228	2100	explorer.exe	31
PID 2100 wrote to memory of 1228	2100	explorer.exe	31
PID 2100 wrote to memory of 1228	2100	explorer.exe	31
PID 1228 wrote to memory of 2516	1228	spoolsv.exe	32
PID 1228 wrote to memory of 2516	1228	spoolsv.exe	32
PID 1228 wrote to memory of 2516	1228	spoolsv.exe	32
PID 1228 wrote to memory of 2516	1228	spoolsv.exe	32
PID 2516 wrote to memory of 2120	2516	svchost.exe	33
PID 2516 wrote to memory of 2120	2516	svchost.exe	33
PID 2516 wrote to memory of 2120	2516	svchost.exe	33
PID 2516 wrote to memory of 2120	2516	svchost.exe	33
PID 2100 wrote to memory of 1748	2100	explorer.exe	34
PID 2100 wrote to memory of 1748	2100	explorer.exe	34
PID 2100 wrote to memory of 1748	2100	explorer.exe	34
PID 2100 wrote to memory of 1748	2100	explorer.exe	34
PID 2516 wrote to memory of 2688	2516	svchost.exe	35
PID 2516 wrote to memory of 2688	2516	svchost.exe	35
PID 2516 wrote to memory of 2688	2516	svchost.exe	35
PID 2516 wrote to memory of 2688	2516	svchost.exe	35
PID 2516 wrote to memory of 2472	2516	svchost.exe	39
PID 2516 wrote to memory of 2472	2516	svchost.exe	39
PID 2516 wrote to memory of 2472	2516	svchost.exe	39
PID 2516 wrote to memory of 2472	2516	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.exe
"C:\Users\Admin\AppData\Local\Temp\d60c58e38b1de3e07ebcf36b8d8464568a9225aad58bdb438f3f14bfb3bc0f64.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:2356
- \??\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:2100
- - \??\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:1228
  - - \??\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:2516
    - - \??\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:2120
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 09:15 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2688
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 09:16 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2472
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 09:17 /f
        5⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:2772
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:1748

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\Themes\explorer.exe

Filesize
135KB

MD5
b46161d87fa4bda453a5ee6548a464ba

SHA1
96c975275ae2b571a96f346bee492a336143fe38

SHA256
806d5c39e9170bdb890ac5ab6246a6ded3eacec3ac2a9b9a7634c63358a146e3

SHA512
618e0c2c5554c96f65d28e86237ef089552f1b7ebec2c259ebfb48cea78a9e170cc51d82012923066802520a48c96b93da7a1546a133a7915d4af958b0395e37

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

Filesize
135KB

MD5
96fc0503f056e0183576ac366f8b47f4

SHA1
a2cd5f5e20c70eb31298919984dd77485ae8ace7

SHA256
c944fc61cfa321d3cc46cea56c11da4e2b1f5029d50798e9f4e19263f59c1b0a

SHA512
84ce671ba42336cb3368d554f7f2be86293ed398b9e4e8ff078d1cffa544a0e7793c0f5297e23bce259259826b4b2947a67cae5f9637c7acee54227fe1bb2b57

Download Submit
\Windows\Resources\svchost.exe

Filesize
135KB

MD5
fbddd7402cc73bbb4f8c036ccf604174

SHA1
30d6bb4bd123bf6bc205829a84fac3df2deeb6f8

SHA256
9ebff83888cc456370606b208e79f0ffd48958e6ac4e2de45660d45f0d3be057

SHA512
49ccafae320ae70fea0950ce81e8ea467210896af916fc0e5c3f7d2d4265281eeb30c1bcda5e0de0009ef15cde5de5e5b4fe793e96a7cb9d2fb2b9699ac9d04b

Download Submit
memory/1228-28-0x0000000000350000-0x000000000036F000-memory.dmp

Filesize
124KB

Download
memory/1228-41-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2100-43-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2120-40-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2356-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2356-42-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2516-44-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download