857bd2e46ce4e71b42fda7ef327de52b7748d4961df3051d33b846ec2a2aa5a4

Analysis

max time kernel
102s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
21/07/2024, 10:56

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General

Target

b246538c5d0a380ad167787fd3021c10N.exe
Size

45KB
MD5

b246538c5d0a380ad167787fd3021c10
SHA1

35adefe9be992d1c9ed8965b26cdc67a69684e77
SHA256

857bd2e46ce4e71b42fda7ef327de52b7748d4961df3051d33b846ec2a2aa5a4
SHA512

8da1e9d5bdddf2cf7618b5745a9c8342a6d0faafd215ee103acc4337c59b0e98c0a5e8fa1e50264c84607649887c3dfa719dfac768cc4a15eecef3c2032a5048
SSDEEP

768:8V5hy+7c6OXdfwEQ90NoZCi5TXbRzjEDta8jFqjsZvI2YxrQiP+ZRDd+RYTl/iUU:8h7xsCKosi5pzjIcdRiTpqMGxs3E

Score

8^/10

persistence

Malware Config

Signatures

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 6 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\debugger = "ntsd -d"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ZhuDongFangYu.exe	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ZhuDongFangYu.exe\debugger = "ntsd -d"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe\debugger = "ntsd -d"	reg.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b246538c5d0a380ad167787fd3021c10N.exe "	cmd.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0409-1000-0000000FF1CE}\misc.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ink\mip.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\bin\jhat.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jre-1.8\bin\policytool.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jre-1.8\bin\jabswitch.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\bin\jdb.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\misc.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\misc.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Google\Chrome\Application\123.0.6312.106\Installer\setup.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jre-1.8\bin\pack200.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\accicons.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\bin\jinfo.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\bin\orbd.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\joticon.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\osmadminicon.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\sscicons.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Google\Chrome\Application\123.0.6312.106\notification_helper.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\iexplore.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\bin\jcmd.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jre-1.8\bin\tnameserv.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\bin\javac.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\bin\javapackager.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\bin\pack200.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Integration\Integrator.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\jre\bin\java.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jre-1.8\bin\java-rmi.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\bin\jps.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\msoia.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Internet Explorer\ExtExport.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\bin\unpack200.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ink\TabTip.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\msoasb.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jre-1.8\bin\klist.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\bin\rmic.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\wordicon.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\osmclienticon.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\bin\wsimport.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jre-1.8\bin\rmid.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jre-1.8\bin\java.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\7-Zip\Uninstall.exe	b246538c5d0a380ad167787fd3021c10N.exe
File opened for modification	\??\c:\Program Files\Java\jdk-1.8\bin\java.exe	b246538c5d0a380ad167787fd3021c10N.exe

Modifies registry class 14 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jpgfile\Shell\Open	cmd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\zipfile\Shell	cmd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.txt \ = " exefile"	cmd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\zipfile	cmd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b246538c5d0a380ad167787fd3021c10N.exe "	cmd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.txt	cmd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\zipfile\Shell\Open	cmd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jpgfile\Shell\Open\Command	cmd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\jpgfile\Shell\Open\Command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b246538c5d0a380ad167787fd3021c10N.exe "	cmd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\zipfile\Shell\Open\Command	cmd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b246538c5d0a380ad167787fd3021c10N.exe "	cmd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jpgfile	cmd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\zipfile\Shell\Open\Command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b246538c5d0a380ad167787fd3021c10N.exe "	cmd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jpgfile\Shell	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
552	b246538c5d0a380ad167787fd3021c10N.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
552	b246538c5d0a380ad167787fd3021c10N.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 3424	552	b246538c5d0a380ad167787fd3021c10N.exe	84
PID 552 wrote to memory of 3424	552	b246538c5d0a380ad167787fd3021c10N.exe	84
PID 552 wrote to memory of 3424	552	b246538c5d0a380ad167787fd3021c10N.exe	84
PID 552 wrote to memory of 4324	552	b246538c5d0a380ad167787fd3021c10N.exe	89
PID 552 wrote to memory of 4324	552	b246538c5d0a380ad167787fd3021c10N.exe	89
PID 552 wrote to memory of 4324	552	b246538c5d0a380ad167787fd3021c10N.exe	89
PID 552 wrote to memory of 2140	552	b246538c5d0a380ad167787fd3021c10N.exe	90
PID 552 wrote to memory of 2140	552	b246538c5d0a380ad167787fd3021c10N.exe	90
PID 552 wrote to memory of 2140	552	b246538c5d0a380ad167787fd3021c10N.exe	90
PID 552 wrote to memory of 1072	552	b246538c5d0a380ad167787fd3021c10N.exe	91
PID 552 wrote to memory of 1072	552	b246538c5d0a380ad167787fd3021c10N.exe	91
PID 552 wrote to memory of 1072	552	b246538c5d0a380ad167787fd3021c10N.exe	91
PID 552 wrote to memory of 4132	552	b246538c5d0a380ad167787fd3021c10N.exe	92
PID 552 wrote to memory of 4132	552	b246538c5d0a380ad167787fd3021c10N.exe	92
PID 552 wrote to memory of 4132	552	b246538c5d0a380ad167787fd3021c10N.exe	92
PID 552 wrote to memory of 2120	552	b246538c5d0a380ad167787fd3021c10N.exe	93
PID 552 wrote to memory of 2120	552	b246538c5d0a380ad167787fd3021c10N.exe	93
PID 552 wrote to memory of 2120	552	b246538c5d0a380ad167787fd3021c10N.exe	93
PID 552 wrote to memory of 1728	552	b246538c5d0a380ad167787fd3021c10N.exe	94
PID 552 wrote to memory of 1728	552	b246538c5d0a380ad167787fd3021c10N.exe	94
PID 552 wrote to memory of 1728	552	b246538c5d0a380ad167787fd3021c10N.exe	94
PID 4324 wrote to memory of 1040	4324	cmd.exe	101
PID 4324 wrote to memory of 1040	4324	cmd.exe	101
PID 4324 wrote to memory of 1040	4324	cmd.exe	101
PID 4324 wrote to memory of 3516	4324	cmd.exe	102
PID 4324 wrote to memory of 3516	4324	cmd.exe	102
PID 4324 wrote to memory of 3516	4324	cmd.exe	102
PID 4324 wrote to memory of 392	4324	cmd.exe	103
PID 4324 wrote to memory of 392	4324	cmd.exe	103
PID 4324 wrote to memory of 392	4324	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\b246538c5d0a380ad167787fd3021c10N.exe
"C:\Users\Admin\AppData\Local\Temp\b246538c5d0a380ad167787fd3021c10N.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:552
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe
  2⤵
  PID:3424
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\123.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4324
- - C:\Windows\SysWOW64\reg.exe
    reg add "hklm\software\microsoft\windows nt\currentversion\Image File Execution Options\ZhuDongFangYu.exe" /v debugger /t reg_sz /d "ntsd -d" /f
    3⤵
    - Event Triggered Execution: Image File Execution Options Injection
    PID:1040
- - C:\Windows\SysWOW64\reg.exe
    reg add "hklm\software\microsoft\windows nt\currentversion\Image File Execution Options\360tray.exe" /v debugger /t reg_sz /d "ntsd -d" /f
    3⤵
    - Event Triggered Execution: Image File Execution Options Injection
    PID:3516
- - C:\Windows\SysWOW64\reg.exe
    reg add "hklm\software\microsoft\windows nt\currentversion\Image File Execution Options\taskmgr.exe" /v debugger /t reg_sz /d "ntsd -d" /f
    3⤵
    - Event Triggered Execution: Image File Execution Options Injection
    PID:392
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c assoc .txt = exefile
  2⤵
  - Modifies registry class
  PID:2140
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ftype comfile=C:\Users\Admin\AppData\Local\Temp\b246538c5d0a380ad167787fd3021c10N.exe
  2⤵
  - Modifies system executable filetype association
  - Modifies registry class
  PID:1072
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ftype zipfile=C:\Users\Admin\AppData\Local\Temp\b246538c5d0a380ad167787fd3021c10N.exe
  2⤵
  - Modifies registry class
  PID:4132
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ftype jpgfile=C:\Users\Admin\AppData\Local\Temp\b246538c5d0a380ad167787fd3021c10N.exe
  2⤵
  - Modifies registry class
  PID:2120
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ftype txtfile=C:\Users\Admin\AppData\Local\Temp\b246538c5d0a380ad167787fd3021c10N.exe
  2⤵
  - Modifies registry class
  PID:1728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Image File Execution Options Injection

T1546.012

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Image File Execution Options Injection

T1546.012

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\123.bat

Filesize
443B

MD5
70170ba16a737a438223b88279dc6c85

SHA1
cc066efa0fca9bc9f44013660dea6b28ddfd6a24

SHA256
d3674f4b34a8ca8167160519aa5c66b6024eb09f4cb0c9278bc44370b0efec6a

SHA512
37cc8c954544374d0a1ca4d012c9bd0b47781bc9bb8d0c15a8a95b9934893db3bedee867b984c20edabe54c39574abf7250de433aade6c0d544b8dd2c972c6da

Download Submit
C:\Program Files\7-Zip\7zG.exe

Filesize
45KB

MD5
197d287015fa7482c01985a4aad9a2ff

SHA1
758eac235ce2d64c86f994426a54d2f3f308ceec

SHA256
b094d5c4b5db8129aac93fae2f28200766c7b93dccac3597d2879a98d595b9a8

SHA512
63b61cf6f83ef42a6346e267de98ecae683b7846ad7d8e7a3547299dd72cea9b2bdbb68c36c27de681f20a20e80da1b79d8b59a3c9add1e28f648a68b8d1211a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads