9c1c8291ae0737d8dc860500a10cb8fcef1ec97a6f3404158ca9d939f23ac9f3

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
10/01/2024, 18:09

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General

Target

51404372ad2166b42f9cb6bfd09606bf.exe
Size

14KB
MD5

51404372ad2166b42f9cb6bfd09606bf
SHA1

67a8f510fdc060c34afc3c86e47cf8f458f7419b
SHA256

9c1c8291ae0737d8dc860500a10cb8fcef1ec97a6f3404158ca9d939f23ac9f3
SHA512

f38ecab78c6016e263612fca0e4b0e797b90510bd838bed1135328df542322f6f7cde17774f224b378d6a26f7c80b7b802a72bf0fc2011e067bc77003679edc4
SSDEEP

384:5dmHImwx5lmuKIp4kFJvAI8IWRCmua3S8O+tqoX5A/mM:5dbmwSI2kF6ILmtit+8oXi/F

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 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\ShellServiceObjectDelayLoad\adsntzt.dll = "{00010001-0001-0001-0001-00010001BB15}"	51404372ad2166b42f9cb6bfd09606bf.exe

Deletes itself 1 IoCs

pid	Process
3004	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1472	51404372ad2166b42f9cb6bfd09606bf.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\adsntzt.tmp	51404372ad2166b42f9cb6bfd09606bf.exe
File opened for modification	C:\Windows\SysWOW64\adsntzt.tmp	51404372ad2166b42f9cb6bfd09606bf.exe
File opened for modification	C:\Windows\SysWOW64\adsntzt.nls	51404372ad2166b42f9cb6bfd09606bf.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00010001-0001-0001-0001-00010001BB15}	51404372ad2166b42f9cb6bfd09606bf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00010001-0001-0001-0001-00010001BB15}\InProcServer32	51404372ad2166b42f9cb6bfd09606bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00010001-0001-0001-0001-00010001BB15}\InProcServer32\ = "C:\\Windows\\SysWow64\\adsntzt.dll"	51404372ad2166b42f9cb6bfd09606bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00010001-0001-0001-0001-00010001BB15}\InProcServer32\ThreadingModel = "Apartment"	51404372ad2166b42f9cb6bfd09606bf.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1472	51404372ad2166b42f9cb6bfd09606bf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1472	51404372ad2166b42f9cb6bfd09606bf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 3004	1472	51404372ad2166b42f9cb6bfd09606bf.exe	30
PID 1472 wrote to memory of 3004	1472	51404372ad2166b42f9cb6bfd09606bf.exe	30
PID 1472 wrote to memory of 3004	1472	51404372ad2166b42f9cb6bfd09606bf.exe	30
PID 1472 wrote to memory of 3004	1472	51404372ad2166b42f9cb6bfd09606bf.exe	30

C:\Users\Admin\AppData\Local\Temp\51404372ad2166b42f9cb6bfd09606bf.exe
"C:\Users\Admin\AppData\Local\Temp\51404372ad2166b42f9cb6bfd09606bf.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\1EE6.tmp.bat
  2⤵
  - Deletes itself
  PID:3004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1EE6.tmp.bat

Filesize
179B

MD5
604c687336d3a69e8d6e53cc4c94ac67

SHA1
5258921564cb0a5e4ded5af78b7608832435195b

SHA256
ec77234f2f0f28b7f6dd732d00fe671d02359c3f606a7d9ef25cfdfb4f169249

SHA512
d564d4133b51ca026c8fa0142dc89be14aa465739bb8b49bd0fa656ac315667cfae59dba1d6522bcf959d5bdae0ab4faa677268bda04bd57f39409e2c3239182

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C:\Windows\SysWOW64\adsntzt.tmp

Filesize
803KB

MD5
d743013684c23a779ad8935143952613

SHA1
712018067cd6199104cdf9cc7fb7fbdb171f2366

SHA256
307bdd5f0ca6e96e06e1577c6c357a18a010a5dcb5577b23fcacff0c589e7271

SHA512
289fca2138527bd17d007b36ec243fb048d6a21648a300ebd47350cd0c14d35f3ec553382f9060b451016df4cbbce795d1d40aaf34ff9e1076a61088ede0b7af

Download Submit