d60582cc69562ec77606d6ecf073bf666b3bad8b991a31cbc527defb5dbcf8a7

Analysis

max time kernel
74s
max time network
78s
platform
windows10-1703_x64
resource
win10-20231215-en
resource tags

arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system
submitted
28/01/2024, 15:09

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General

Target

Test.exe
Size

12KB
MD5

0a58407437f5955d762b9f9bba885f18
SHA1

6a0ac30d93dd9d13f44d29ae33f95a6baeab6b63
SHA256

3786c12f920288cdd4f634b7f036976e861a3724649337a1dcf0b01585592031
SHA512

0ee55f87fde502a510a572537cb77a0c4496c77f08f55a161cee802404b2b0b914c05c39d26090308d7bc8a41b050902654200cc5e08263ba8320dfa260ab4c0
SSDEEP

192:KLsn92aYjyXxqE0ADSnjWVPkx9e8nuezE8J7N4W:Gsn92aMulk+2e8uezEK

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	raw.githubusercontent.com
5	raw.githubusercontent.com

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\win.ini	unregmp2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1504	schtasks.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1364394410-760759377-2797241167-1000_Classes\.mp4v\OpenWithProgIds	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mpg\ = "WMP11.AssocFile.MPEG"	unregmp2.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1364394410-760759377-2797241167-1000_Classes\.3gp\OpenWithProgids\WMP11.AssocFile.3GP = "0"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Applications\wmplayer.exe\SupportedTypes\.aac	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.aifc\ = "WMP11.AssocFile.AIFF"	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.flac\OpenWithProgIds	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\audio/mpegurl\Extension = ".m3u"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\audio/mpg\Extension = ".mp3"	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP11.AssocFile.MP4	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\video/mpeg\CLSID = "{cd3afa89-b84f-48f0-9393-7edc34128127}"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.adt\ = "WMP11.AssocFile.ADTS"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.snd\ = "WMP11.AssocFile.AU"	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wmz\OpenWithProgIds	unregmp2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP11.AssocFile.3GP\PreferExecuteOnMismatch = "1"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Applications\wmplayer.exe\SupportedTypes\.mts	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP11.AssocFile.MOV	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SystemFileAssociations\Directory.Image\shell\Play	unregmp2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1364394410-760759377-2797241167-1000_Classes\.avi\MPlayer2.BAK = "VLC.avi"	unregmp2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\.m2v\OpenWithProgIds\WMP11.AssocFile.MPEG = "0"	unregmp2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1364394410-760759377-2797241167-1000_Classes\.mov\MPlayer2.BAK = "VLC.mov"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.WMD\ = "WMP11.AssocFile.WMD"	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\video/mpg	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SystemFileAssociations\image\shellex\ContextMenuHandlers\PlayTo\ = "{7AD84985-87B4-4a16-BE58-8B72A5B390F7}"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Applications\wmplayer.exe\SupportedTypes\.mod	unregmp2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\.wma\OpenWithProgIds\WMP11.AssocFile.WMA = "0"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Applications\wmplayer.exe\SupportedTypes\.wmd	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SystemFileAssociations\audio\shell\Enqueue\ = "&Add to Windows Media Player list"	unregmp2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP11.AssocFile.MP3\PreferExecuteOnMismatch = "1"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\audio/3gpp2\CLSID = "{cd3afa98-b84f-48f0-9393-7edc34128127}"	unregmp2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP11.AssocFile.AVI\PreferExecuteOnMismatch = "1"	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mk3d	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mp3\ = "WMP11.AssocFile.MP3"	unregmp2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1364394410-760759377-2797241167-1000_Classes\.mts\MP2.Last = "Custom"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Applications\wmplayer.exe\SupportedTypes\.wav	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mka\MP2.Last = "Custom"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.wma\MP2.Last = "Custom"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-mplayer2\Extension = ".asx"	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP11.AssocFile.WMD	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SystemFileAssociations\Directory.Audio\shell\Enqueue\MUIVerb = "@%SystemRoot%\\system32\\unregmp2.exe,-9800"	unregmp2.exe
Key created	\REGISTRY\USER\S-1-5-21-1364394410-760759377-2797241167-1000_Classes\.3g2\OpenWithProgIds	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.asx	unregmp2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1364394410-760759377-2797241167-1000_Classes\.avi\ = "WMP11.AssocFile.AVI"	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP11.AssocFile.AU	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\audio/x-matroska\CLSID = "{cd3afa7e-b84f-48f0-9393-7edc34128127}"	unregmp2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\.au\OpenWithProgIds\WMP11.AssocFile.AU = "0"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mod\MP2.Last = "Custom"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\audio/x-mid\CLSID = "{cd3afa74-b84f-48f0-9393-7edc34128127}"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\audio/mp3\CLSID = "{cd3afa76-b84f-48f0-9393-7edc34128127}"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.flac\MPlayer2.BAK = "VLC.flac"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Applications\wmplayer.exe\SupportedTypes\.mpg	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wms\OpenWithProgIds	unregmp2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP11.AssocFile.WVX\PreferExecuteOnMismatch = "1"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.au\MPlayer2.BAK = "VLC.au"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Applications\wmplayer.exe\SupportedTypes\.m1v	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mpv2\MPlayer2.BAK = "VLC.mpv2"	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wpl	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-ms-wmd	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\audio/mpeg	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\audio/x-mpegurl	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\video/3gpp2\CLSID = "{cd3afa98-b84f-48f0-9393-7edc34128127}"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SystemFileAssociations\Directory.Audio\shell\Enqueue\ = "&Add to Windows Media Player list"	unregmp2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.aac\MPlayer2.BAK = "VLC.aac"	unregmp2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.adts	unregmp2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\.rmi\OpenWithProgIds\WMP11.AssocFile.MIDI = "0"	unregmp2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	208	Test.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4132	ComputerDefaults.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 1892	208	Test.exe	75
PID 208 wrote to memory of 1892	208	Test.exe	75
PID 208 wrote to memory of 1892	208	Test.exe	75
PID 208 wrote to memory of 4468	208	Test.exe	76
PID 208 wrote to memory of 4468	208	Test.exe	76
PID 208 wrote to memory of 4468	208	Test.exe	76
PID 208 wrote to memory of 2036	208	Test.exe	78
PID 208 wrote to memory of 2036	208	Test.exe	78
PID 208 wrote to memory of 2036	208	Test.exe	78
PID 2036 wrote to memory of 4132	2036	cmd.exe	80
PID 2036 wrote to memory of 4132	2036	cmd.exe	80
PID 2036 wrote to memory of 4132	2036	cmd.exe	80
PID 208 wrote to memory of 1088	208	Test.exe	81
PID 208 wrote to memory of 1088	208	Test.exe	81
PID 208 wrote to memory of 1088	208	Test.exe	81
PID 1088 wrote to memory of 1504	1088	cmd.exe	83
PID 1088 wrote to memory of 1504	1088	cmd.exe	83
PID 1088 wrote to memory of 1504	1088	cmd.exe	83
PID 4132 wrote to memory of 760	4132	ComputerDefaults.exe	84
PID 4132 wrote to memory of 760	4132	ComputerDefaults.exe	84
PID 4132 wrote to memory of 760	4132	ComputerDefaults.exe	84
PID 760 wrote to memory of 4440	760	unregmp2.exe	85
PID 760 wrote to memory of 4440	760	unregmp2.exe	85

C:\Users\Admin\AppData\Local\Temp\Test.exe
"C:\Users\Admin\AppData\Local\Temp\Test.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208
- C:\Windows\SysWOW64\reg.exe
  "C:\Windows\system32\reg.exe" add "HKCU\Software\Classes\ms-settings\shell\open\command" /d "wscript.exe C:\Users\Admin\AppData\Local\Temp\turkeyjack466590.vbs" /f
  2⤵
  PID:1892
- C:\Windows\SysWOW64\reg.exe
  "C:\Windows\system32\reg.exe" add "HKCU\Software\Classes\ms-settings\shell\open\command" /v DelegateExecute /d "0" /f
  2⤵
  PID:4468
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C computerdefaults.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2036
- - C:\Windows\SysWOW64\ComputerDefaults.exe
    computerdefaults.exe
    3⤵
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4132
  - - C:\Windows\SysWOW64\unregmp2.exe
      C:\Windows\system32\unregmp2.exe /SetWMPAsDefault
      4⤵
      Suspicious use of WriteProcessMemory
      PID:760
    - - C:\Windows\System32\unregmp2.exe
        
        "C:\Windows\SysNative\unregmp2.exe" /SetWMPAsDefault /REENTRANT
        5⤵
        Drops file in Windows directory
        Modifies registry class
        
        PID:4440
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C schtasks /Create /SC ONLOGON /TN MicrosoftEdgeUpdateTaskUXM_ixlBZeBTmMfddplUer3K040MX /TR "C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\ixlBZeBTmMfddplUer3K040MX.exe" /RL HIGHEST /IT
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1088
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Create /SC ONLOGON /TN MicrosoftEdgeUpdateTaskUXM_ixlBZeBTmMfddplUer3K040MX /TR "C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\ixlBZeBTmMfddplUer3K040MX.exe" /RL HIGHEST /IT
    3⤵
    - Creates scheduled task(s)
    PID:1504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/208-1-0x00000000733D0000-0x0000000073ABE000-memory.dmp

Filesize
6.9MB

Download
memory/208-0-0x00000000011D0000-0x00000000011DC000-memory.dmp

Filesize
48KB

Download
memory/208-2-0x00000000010A0000-0x00000000010BA000-memory.dmp

Filesize
104KB

Download
memory/208-3-0x00000000003B0000-0x00000000003BA000-memory.dmp

Filesize
40KB

Download
memory/208-4-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

Filesize
64KB

Download
memory/208-5-0x0000000004D70000-0x0000000004E02000-memory.dmp

Filesize
584KB

Download
memory/208-6-0x0000000005310000-0x000000000580E000-memory.dmp

Filesize
5.0MB

Download
memory/208-13-0x00000000733D0000-0x0000000073ABE000-memory.dmp

Filesize
6.9MB

Download
memory/208-14-0x000000000D760000-0x000000000E80C000-memory.dmp

Filesize
16.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads