6a1056c7de935ac3c6a076cf4523ce72a37292d43675c447857a430b96a5e544

Analysis

max time kernel
120s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 02:53

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General

Target

948564152f8f88071c3ee41f4bfce2a0N.exe
Size

206KB
MD5

948564152f8f88071c3ee41f4bfce2a0
SHA1

ab731b2617b0f613192b6afb18ede8eb1ca40d7b
SHA256

6a1056c7de935ac3c6a076cf4523ce72a37292d43675c447857a430b96a5e544
SHA512

69d6864dae496cfaa10391d142d3ec084531288e0042551b2839fb4707e7d34f13ea36760a3d307eae6f8ce7936116732de03007e8678240996f5797a8dfbd49
SSDEEP

3072:/VqoCl/YgjxEufVU0TbTyDDalbmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm3:/sLqdufVUNDao

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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
2756	explorer.exe
2808	spoolsv.exe
1528	svchost.exe
2532	spoolsv.exe

Loads dropped DLL 8 IoCs

pid	Process
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2756	explorer.exe
2756	explorer.exe
2808	spoolsv.exe
2808	spoolsv.exe
1528	svchost.exe
1528	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\tjud.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	948564152f8f88071c3ee41f4bfce2a0N.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.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	948564152f8f88071c3ee41f4bfce2a0N.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
1000	schtasks.exe
1724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
1528	svchost.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
2756	explorer.exe
1528	svchost.exe
1528	svchost.exe
2756	explorer.exe
1528	svchost.exe
2756	explorer.exe
1528	svchost.exe
2756	explorer.exe
1528	svchost.exe
2756	explorer.exe
1528	svchost.exe
2756	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2756	explorer.exe
1528	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2668	948564152f8f88071c3ee41f4bfce2a0N.exe
2756	explorer.exe
2756	explorer.exe
2808	spoolsv.exe
2808	spoolsv.exe
1528	svchost.exe
1528	svchost.exe
2532	spoolsv.exe
2532	spoolsv.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2756	2668	948564152f8f88071c3ee41f4bfce2a0N.exe	30
PID 2668 wrote to memory of 2756	2668	948564152f8f88071c3ee41f4bfce2a0N.exe	30
PID 2668 wrote to memory of 2756	2668	948564152f8f88071c3ee41f4bfce2a0N.exe	30
PID 2668 wrote to memory of 2756	2668	948564152f8f88071c3ee41f4bfce2a0N.exe	30
PID 2756 wrote to memory of 2808	2756	explorer.exe	31
PID 2756 wrote to memory of 2808	2756	explorer.exe	31
PID 2756 wrote to memory of 2808	2756	explorer.exe	31
PID 2756 wrote to memory of 2808	2756	explorer.exe	31
PID 2808 wrote to memory of 1528	2808	spoolsv.exe	32
PID 2808 wrote to memory of 1528	2808	spoolsv.exe	32
PID 2808 wrote to memory of 1528	2808	spoolsv.exe	32
PID 2808 wrote to memory of 1528	2808	spoolsv.exe	32
PID 1528 wrote to memory of 2532	1528	svchost.exe	33
PID 1528 wrote to memory of 2532	1528	svchost.exe	33
PID 1528 wrote to memory of 2532	1528	svchost.exe	33
PID 1528 wrote to memory of 2532	1528	svchost.exe	33
PID 2756 wrote to memory of 3044	2756	explorer.exe	34
PID 2756 wrote to memory of 3044	2756	explorer.exe	34
PID 2756 wrote to memory of 3044	2756	explorer.exe	34
PID 2756 wrote to memory of 3044	2756	explorer.exe	34
PID 1528 wrote to memory of 1000	1528	svchost.exe	35
PID 1528 wrote to memory of 1000	1528	svchost.exe	35
PID 1528 wrote to memory of 1000	1528	svchost.exe	35
PID 1528 wrote to memory of 1000	1528	svchost.exe	35
PID 1528 wrote to memory of 1724	1528	svchost.exe	38
PID 1528 wrote to memory of 1724	1528	svchost.exe	38
PID 1528 wrote to memory of 1724	1528	svchost.exe	38
PID 1528 wrote to memory of 1724	1528	svchost.exe	38

C:\Users\Admin\AppData\Local\Temp\948564152f8f88071c3ee41f4bfce2a0N.exe
"C:\Users\Admin\AppData\Local\Temp\948564152f8f88071c3ee41f4bfce2a0N.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:2668
- \??\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:2756
- - \??\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:2808
  - - \??\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:1528
    - - \??\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:2532
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 02:55 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1000
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 02:56 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1724
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:3044

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

\Windows\Resources\Themes\explorer.exe

Filesize
206KB

MD5
4ed69870ff9a4ea6538321a4e9ca5a0b

SHA1
235dc43a0439e1f0751768c2a088d4bdd823343d

SHA256
1eba6c10818e069a54392be2bbf06f494b31b3ba3c3224d20511ce5a5250346a

SHA512
3d2782e0643ada0b8567264c736d46a9649b2a2e539ba109cd6b15350c4dd1d2493b76210b83be536ce1450c89bda032ebcf955713e0a7e545e9a32a49924290

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
206KB

MD5
24f09023d39a632dcbd927d9462925a7

SHA1
97e5f55b1106549c8483d7ba3890fe96bd520a7c

SHA256
9b379d71aac6b0b0be77cadd03ee4515b048b6ac93383e6d1f8676352b2d9917

SHA512
e3251d63de185288c0662cecb8e1fb6fc7ba1700468b9c5be21cf01c9643e09eb1d5769f6cb76fc87a89880721ed27c34e3edda8231c9e158056808c0f7ee2ef

Download Submit
\Windows\Resources\svchost.exe

Filesize
206KB

MD5
5a63d33d001b638c8e19f1011fc2503c

SHA1
500ee67de77f2b91537fb15fa7a920b36630fe0f

SHA256
ee78b5e572cbb24981c37b62bc31dc78cd5a46fbc00e60cf0bd83e7107ff8499

SHA512
89adce6bd4263d33e7337aaa0eee43579b9517a629b1d8ccd8b2a7d25d3405b66506fbde0f000af27deff8157cfb925ed0352a444c8a52e48fef1403ce7d8a18

Download Submit
memory/1528-55-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2532-51-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-12-0x00000000002B0000-0x00000000002DF000-memory.dmp

Filesize
188KB

Download
memory/2668-53-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-26-0x0000000000360000-0x000000000038F000-memory.dmp

Filesize
188KB

Download
memory/2756-54-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2808-52-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download