6511321e2c89f197c6f039051d5abb69d306550fb41216c13958de126d66f48a

Analysis

max time kernel
120s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
19/08/2024, 08:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9bd6b24429fae827534170054d802790N.exe
Size

206KB
MD5

9bd6b24429fae827534170054d802790
SHA1

8d46af9c989ec26e75a406609106f9b5716c34ae
SHA256

6511321e2c89f197c6f039051d5abb69d306550fb41216c13958de126d66f48a
SHA512

60a617716ab4971ae2081f87c1e746f4d04c41c126c5ead69e659b3eece1991bba97ab8ca12292d9ba2b0966cf836e6461c89eb314ed856820730e13cfb3edfb
SSDEEP

1536:/fsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbJd3:/VqoCl/YgjxEufVU0TbTyDDalb3

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

Executes dropped EXE 4 IoCs

pid	Process
1512	explorer.exe
2560	spoolsv.exe
2752	svchost.exe
2756	spoolsv.exe

Loads dropped DLL 8 IoCs

pid	Process
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
1512	explorer.exe
1512	explorer.exe
2560	spoolsv.exe
2560	spoolsv.exe
2752	svchost.exe
2752	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\themes\explorer.exe	9bd6b24429fae827534170054d802790N.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	9bd6b24429fae827534170054d802790N.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
1860	schtasks.exe
2764	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
1512	explorer.exe
1512	explorer.exe
1512	explorer.exe
1512	explorer.exe
1512	explorer.exe
1512	explorer.exe
1512	explorer.exe
1512	explorer.exe
1512	explorer.exe
1512	explorer.exe
1512	explorer.exe
1512	explorer.exe
1512	explorer.exe
1512	explorer.exe
1512	explorer.exe
1512	explorer.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
1512	explorer.exe
2752	svchost.exe
2752	svchost.exe
1512	explorer.exe
1512	explorer.exe
1512	explorer.exe
2752	svchost.exe
2752	svchost.exe
1512	explorer.exe
1512	explorer.exe
2752	svchost.exe
1512	explorer.exe
2752	svchost.exe
1512	explorer.exe
2752	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2752	svchost.exe
1512	explorer.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2968	9bd6b24429fae827534170054d802790N.exe
2968	9bd6b24429fae827534170054d802790N.exe
1512	explorer.exe
1512	explorer.exe
2560	spoolsv.exe
2560	spoolsv.exe
2752	svchost.exe
2752	svchost.exe
2756	spoolsv.exe
2756	spoolsv.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 1512	2968	9bd6b24429fae827534170054d802790N.exe	30
PID 2968 wrote to memory of 1512	2968	9bd6b24429fae827534170054d802790N.exe	30
PID 2968 wrote to memory of 1512	2968	9bd6b24429fae827534170054d802790N.exe	30
PID 2968 wrote to memory of 1512	2968	9bd6b24429fae827534170054d802790N.exe	30
PID 1512 wrote to memory of 2560	1512	explorer.exe	31
PID 1512 wrote to memory of 2560	1512	explorer.exe	31
PID 1512 wrote to memory of 2560	1512	explorer.exe	31
PID 1512 wrote to memory of 2560	1512	explorer.exe	31
PID 2560 wrote to memory of 2752	2560	spoolsv.exe	32
PID 2560 wrote to memory of 2752	2560	spoolsv.exe	32
PID 2560 wrote to memory of 2752	2560	spoolsv.exe	32
PID 2560 wrote to memory of 2752	2560	spoolsv.exe	32
PID 2752 wrote to memory of 2756	2752	svchost.exe	33
PID 2752 wrote to memory of 2756	2752	svchost.exe	33
PID 2752 wrote to memory of 2756	2752	svchost.exe	33
PID 2752 wrote to memory of 2756	2752	svchost.exe	33
PID 1512 wrote to memory of 2160	1512	explorer.exe	34
PID 1512 wrote to memory of 2160	1512	explorer.exe	34
PID 1512 wrote to memory of 2160	1512	explorer.exe	34
PID 1512 wrote to memory of 2160	1512	explorer.exe	34
PID 2752 wrote to memory of 2764	2752	svchost.exe	35
PID 2752 wrote to memory of 2764	2752	svchost.exe	35
PID 2752 wrote to memory of 2764	2752	svchost.exe	35
PID 2752 wrote to memory of 2764	2752	svchost.exe	35
PID 2752 wrote to memory of 1860	2752	svchost.exe	39
PID 2752 wrote to memory of 1860	2752	svchost.exe	39
PID 2752 wrote to memory of 1860	2752	svchost.exe	39
PID 2752 wrote to memory of 1860	2752	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\9bd6b24429fae827534170054d802790N.exe
"C:\Users\Admin\AppData\Local\Temp\9bd6b24429fae827534170054d802790N.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:2968
- \??\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:1512
- - \??\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:2560
  - - \??\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:2752
    - - \??\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:2756
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 08:08 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2764
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 08:09 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1860
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:2160

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

Loading Replay Monitor...

Downloads

\Windows\Resources\Themes\explorer.exe

Filesize
206KB

MD5
4a1ee06fcacfe5d4d1d6a026a3be69e8

SHA1
43f8d80d4b2734a328249190a1625d2f4bc502da

SHA256
6f472701f4bdf4791c345158dd62c5ef23226dfac5ce7323b205661b3ef3005c

SHA512
d230f7f38001fecd3e6e11d22bed5c802370e2a2aa6a8ebb29c767669ede9c7079aca9bc292348be0fca03fb1664e78099202bcb9f9ac611cfa6181ea173b5d3

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
206KB

MD5
02bbf9f10613c6c42a6e62c1934400a5

SHA1
852c1c979a2e0eb30391a181b75c9c2fa23bbbae

SHA256
7d8e452d4a037728f7f15aca0814fd0ba1d83d1093d8018d0989d6555a7df43e

SHA512
48bf713ac31e60568a4c4401a4a20685548405f36975dcc190e62a482f6d7df2be012afc2c9f3fb1a249dfcc6b1cccdd8e939a375b8e52e0a1600edb5be9a564

Download Submit
\Windows\Resources\svchost.exe

Filesize
206KB

MD5
e7bd6eb40ff02890405e76dcd738abe3

SHA1
7416409adad33968adeeeb295766c53e8a6866e5

SHA256
c752cc6292198be0b4540d06c2969525d90f65185897ed67e98bb70b175575d1

SHA512
41d6169b3d50430aae1669d4bce03d0609f16f84ea26eb086586c4f35d105fe0aebdec0356c673604a533f0b0818c8f44aa62f90f2d1d3f7403b4603ae043688

Download Submit
memory/1512-25-0x0000000001E30000-0x0000000001E5F000-memory.dmp

Filesize
188KB

Download
memory/1512-53-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2560-51-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2752-54-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-50-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2968-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2968-52-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download