e01303cb6615c17974dbd1fd571c8324bbd07cdedbc2456387d3b1ba3d415647

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12-02-2024 04:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

964131af4ad550c0e046601f63e29251.exe
Size

653KB
MD5

964131af4ad550c0e046601f63e29251
SHA1

55beb4cb739fa96ff0b556a510e6351372cd7422
SHA256

e01303cb6615c17974dbd1fd571c8324bbd07cdedbc2456387d3b1ba3d415647
SHA512

6a7c6af711257ddb4c18b1bbc4f2c7fddaa6fac669ac77de8724e3d6c8ce0f7a0a16324e7bb0e786849a3e8f54ae8c7c578b9a355b37f156126631038fea8d8c
SSDEEP

12288:7bqGhoQMUfg/JUTphqrMpPholV6QOIAqPqihTujDmL5o:HzIUI/JUTphPp5cRAwqieil

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
1716	964131af4ad550c0e046601f63e29251.exe
1716	964131af4ad550c0e046601f63e29251.exe
1716	964131af4ad550c0e046601f63e29251.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\bass.dll	964131af4ad550c0e046601f63e29251.exe

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

System Information Discovery
T1082

Modifies registry class 43 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\DefaultIcon	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\shell\	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.php\ShellNew	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\shell\compile\command	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SE\Source Filter	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\KrazSE.Document\Insertable	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\KrazSE.Document	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\shell\open\command	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SE\shell\open	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SE\shell\open\command\ = "C:\\ProgramData\\KrazSE\\se.exe \"%1\" \"%2\" \"%3\""	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.php	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\ = "KrazSE Dokument"	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\shell	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\shell\saver	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\shell\saver\command	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\shell\saver\command\ = "C:\\ProgramData\\KrazSE\\se.exe \"cs\" \"%1\" \"%2\" \"%3\""	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SE\shell\	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SE\shell\open\	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SE\shell\open\command	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\KrazSE.Document\Insertable\	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\DefaultIcon\ = "C:\\ProgramData\\KrazSE\\se.exe,0"	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SE	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.php\ShellNew\nullfile	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\shell\open	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\shell\open\command\ = "C:\\ProgramData\\KrazSE\\se.exe \"%1\" \"%2\" \"%3\""	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\shell\compile\ = "Anwendung erzeugen"	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\shell\saver\ = "Bildschirmschoner erzeugen"	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SE\ = "URL:SE (KrazSE UrlProtocol)"	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{57DB3D67-0E61-4618-BBDA-6973653DCFD8\Insertable	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{57DB3D67-0E61-4618-BBDA-6973653DCFD8	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.php\ShellNew\	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SE\URL Protocol	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.php\ = "phpfile"	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.php\ShellNew\command = "\"C:\\ProgramData\\KrazSE\\se.exe\" \"C:\\ProgramData\\KrazSE\\ShellNew.php\" \"%1\""	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\shell\open\ = "Ausführen"	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\shell\compile	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SE\	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SE\shell	964131af4ad550c0e046601f63e29251.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{57DB3D67-0E61-4618-BBDA-6973653DCFD8\Insertable\	964131af4ad550c0e046601f63e29251.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\phpfile\shell\compile\command\ = "C:\\ProgramData\\KrazSE\\se.exe \"c\" \"%1\" \"%2\" \"%3\""	964131af4ad550c0e046601f63e29251.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2820	1716	964131af4ad550c0e046601f63e29251.exe	28
PID 1716 wrote to memory of 2820	1716	964131af4ad550c0e046601f63e29251.exe	28
PID 1716 wrote to memory of 2820	1716	964131af4ad550c0e046601f63e29251.exe	28
PID 1716 wrote to memory of 2820	1716	964131af4ad550c0e046601f63e29251.exe	28
PID 1716 wrote to memory of 2820	1716	964131af4ad550c0e046601f63e29251.exe	28
PID 1716 wrote to memory of 2820	1716	964131af4ad550c0e046601f63e29251.exe	28
PID 1716 wrote to memory of 2820	1716	964131af4ad550c0e046601f63e29251.exe	28

C:\Users\Admin\AppData\Local\Temp\964131af4ad550c0e046601f63e29251.exe
"C:\Users\Admin\AppData\Local\Temp\964131af4ad550c0e046601f63e29251.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" "/s" "C:\ProgramData\KrazSE\KrazSE.dll"
  2⤵
  PID:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\ProgramData\KrazSE\se.exe

Filesize
653KB

MD5
964131af4ad550c0e046601f63e29251

SHA1
55beb4cb739fa96ff0b556a510e6351372cd7422

SHA256
e01303cb6615c17974dbd1fd571c8324bbd07cdedbc2456387d3b1ba3d415647

SHA512
6a7c6af711257ddb4c18b1bbc4f2c7fddaa6fac669ac77de8724e3d6c8ce0f7a0a16324e7bb0e786849a3e8f54ae8c7c578b9a355b37f156126631038fea8d8c

Download Submit
memory/1716-0-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1716-10-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/1716-12-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download