45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-09-2024 21:17

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General

Target

45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
Size

206KB
MD5

c7dfff1bbe289474ae5f598ecf022054
SHA1

acf4168796b56fc8b2446a94cbc990e9d77d2034
SHA256

45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc
SHA512

d05a833fb0b843a34ef731312cc49011d6417ddb2275786206d1797f77d7ecd50eae055a9d30d59bf2795d717973efba201f84b30cbe72b0b19de6d1a80b1149
SSDEEP

1536:/fsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbJdpqqqqqqqqqqqqo:/VqoCl/YgjxEufVU0TbTyDDalbG

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe

Executes dropped EXE 4 IoCs

pid	Process
2836	explorer.exe
2856	spoolsv.exe
2608	svchost.exe
2572	spoolsv.exe

Loads dropped DLL 8 IoCs

pid	Process
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2836	explorer.exe
2836	explorer.exe
2856	spoolsv.exe
2856	spoolsv.exe
2608	svchost.exe
2608	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	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.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	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.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
1868	schtasks.exe
1620	schtasks.exe
1968	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2836	explorer.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2836	explorer.exe
2608	svchost.exe
2836	explorer.exe
2608	svchost.exe
2836	explorer.exe
2836	explorer.exe
2608	svchost.exe
2608	svchost.exe
2836	explorer.exe
2608	svchost.exe
2836	explorer.exe
2836	explorer.exe
2608	svchost.exe
2836	explorer.exe
2608	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2608	svchost.exe
2836	explorer.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
2836	explorer.exe
2836	explorer.exe
2856	spoolsv.exe
2856	spoolsv.exe
2608	svchost.exe
2608	svchost.exe
2572	spoolsv.exe
2572	spoolsv.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2836	2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe	31
PID 2700 wrote to memory of 2836	2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe	31
PID 2700 wrote to memory of 2836	2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe	31
PID 2700 wrote to memory of 2836	2700	45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe	31
PID 2836 wrote to memory of 2856	2836	explorer.exe	32
PID 2836 wrote to memory of 2856	2836	explorer.exe	32
PID 2836 wrote to memory of 2856	2836	explorer.exe	32
PID 2836 wrote to memory of 2856	2836	explorer.exe	32
PID 2856 wrote to memory of 2608	2856	spoolsv.exe	33
PID 2856 wrote to memory of 2608	2856	spoolsv.exe	33
PID 2856 wrote to memory of 2608	2856	spoolsv.exe	33
PID 2856 wrote to memory of 2608	2856	spoolsv.exe	33
PID 2608 wrote to memory of 2572	2608	svchost.exe	34
PID 2608 wrote to memory of 2572	2608	svchost.exe	34
PID 2608 wrote to memory of 2572	2608	svchost.exe	34
PID 2608 wrote to memory of 2572	2608	svchost.exe	34
PID 2836 wrote to memory of 1864	2836	explorer.exe	35
PID 2836 wrote to memory of 1864	2836	explorer.exe	35
PID 2836 wrote to memory of 1864	2836	explorer.exe	35
PID 2836 wrote to memory of 1864	2836	explorer.exe	35
PID 2608 wrote to memory of 1868	2608	svchost.exe	36
PID 2608 wrote to memory of 1868	2608	svchost.exe	36
PID 2608 wrote to memory of 1868	2608	svchost.exe	36
PID 2608 wrote to memory of 1868	2608	svchost.exe	36
PID 2608 wrote to memory of 1620	2608	svchost.exe	39
PID 2608 wrote to memory of 1620	2608	svchost.exe	39
PID 2608 wrote to memory of 1620	2608	svchost.exe	39
PID 2608 wrote to memory of 1620	2608	svchost.exe	39
PID 2608 wrote to memory of 1968	2608	svchost.exe	42
PID 2608 wrote to memory of 1968	2608	svchost.exe	42
PID 2608 wrote to memory of 1968	2608	svchost.exe	42
PID 2608 wrote to memory of 1968	2608	svchost.exe	42

C:\Users\Admin\AppData\Local\Temp\45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.exe
"C:\Users\Admin\AppData\Local\Temp\45972fe6b792cc70ad9050b471a4b0235a6b4f77155e446f5b991bfa2bdf2fcc.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:2700
- \??\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:2836
- - \??\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:2856
  - - \??\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:2608
    - - \??\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:2572
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 21:19 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1868
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 21:20 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1620
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 21:21 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1968
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:1864

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
206KB

MD5
7283a240d1eebc14a8be84feb0c64442

SHA1
dffd8d216e9e48bd944d188df39f35e3ba073dc9

SHA256
53c961561841199fb138e2e7756e55815c890a51973256143d85d0d98288c907

SHA512
28fb98825b6af1cbecd49d6ee18e6968a0a009406fa44ac6f2f4e2b8921825f2ef411480c57ffad30bca7333889d7f4a9dfe5de26045ca1be278c23c8b773738

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

Filesize
206KB

MD5
b2ee99b603840e0babc1bf366fd294c4

SHA1
720b67c4e33dafaf63b6b8eb7388591032ef80fc

SHA256
025745125bfec612cf87e3597ce46fc4ed99922e6ad01d2988b06aaac5a83064

SHA512
d23da1bd6f8bcb6a1e950a86ca632a61adf28067a3d3c0407cc0950564f0822a055da60cfc582469bd9b6d95f927511a548a20dfc5808aaf4804c5e99d1d64db

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
206KB

MD5
c79fe15818b1371a1bcc89de1a4e623e

SHA1
2475b73c424c774a9f2cdaea54b85a6f71d49eef

SHA256
1ab8bc08789ad2991f361f7a6190cc25c237410249dbed5405433898fa431949

SHA512
1a038f8201a9a340e257936e4fe39a1bd77b580b5fb2c349990df7e63879897f59c27fb71a85f1b190231dc9d9241f2b23615c83e95293fa9d3cb21a963126f6

Download Submit
memory/2572-51-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2608-55-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2700-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2700-14-0x0000000000330000-0x000000000035F000-memory.dmp

Filesize
188KB

Download
memory/2700-13-0x0000000000330000-0x000000000035F000-memory.dmp

Filesize
188KB

Download
memory/2700-53-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2836-54-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2856-52-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download