5b8be73276a2447f9128724eb5563b34c7178a82b4e2e9bcfe56f60c87dc84d8

Analysis

max time kernel
169s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 13:58

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General

Target

38ecc7d5925c74865593202c07ad7235.dll
Size

634KB
MD5

38ecc7d5925c74865593202c07ad7235
SHA1

26bc0d81f8dcb7b9934bc9170c35e3dda5392861
SHA256

5b8be73276a2447f9128724eb5563b34c7178a82b4e2e9bcfe56f60c87dc84d8
SHA512

d954928453ab42610f7e33c383b7ac4421314f6c8baf8422673b882f8056559af8267816bc871e23ebf479f08dd96913089c5fd44129a61445ddea417662d679
SSDEEP

12288:Ppt/90f0PsKJcH812JVrMa952t7FXGOFjTs3fsTq5lVDRdQ:z68POH8QJVr2djTq0eDFR

Score

8^/10

persistence

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\gzugs.sys	rundll32.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\{646BD6D86619930BEBCE93AEC6C0CC8B}\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\F0C9.tmp"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2060	regsvr32.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
680	Process not Found

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 4984	4928	rundll32.exe	88
PID 4928 wrote to memory of 4984	4928	rundll32.exe	88
PID 4928 wrote to memory of 4984	4928	rundll32.exe	88
PID 4984 wrote to memory of 2060	4984	rundll32.exe	92
PID 4984 wrote to memory of 2060	4984	rundll32.exe	92
PID 4984 wrote to memory of 2060	4984	rundll32.exe	92

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\38ecc7d5925c74865593202c07ad7235.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\38ecc7d5925c74865593202c07ad7235.dll,#1
  2⤵
  - Drops file in Drivers directory
  - Sets service image path in registry
  - Suspicious use of WriteProcessMemory
  PID:4984
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\D0FC.tmp
    3⤵
    - Loads dropped DLL
    PID:2060

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\D0FC.tmp

Filesize
71KB

MD5
ff62d9d6da30048dcee4eb1c6385c9fe

SHA1
b2d5e6a52378c30824a395077bb2c3be79c3fa73

SHA256
94f677280dda5223f6d1a3acaa2285a372e9f6e7aa46824cd8632dea25cde71c

SHA512
041845518c124fa0260abe1da11e7271908019030becf52896c3088739fb803530426df141c42f7238db77a77b1bbab9854c51198c0765f758c6976654b1f811

Download Submit
C:\Users\Admin\AppData\Local\Temp\D0FC.tmp

Filesize
142KB

MD5
cd551aa397f7c7ca4e9014bfbb6e0b98

SHA1
03a3475328d770ab0ae76bddc0d908bc8b3003ed

SHA256
f8de72ef385066b5c9acd3758eba4f8177cdd33bd9c361424e24185de1f231f0

SHA512
3494469560617f6a30e40f6478063e47af9618681dd27bc6db5cbda8715eb12090ea1fd89e06791254ae14010d67cb1a46851d93df914addad2daef04c9fe2e2

Download Submit
memory/2060-7-0x0000000002CC0000-0x0000000002D2B000-memory.dmp

Filesize
428KB

Download
memory/2060-10-0x0000000010000000-0x000000001006A000-memory.dmp

Filesize
424KB

Download
memory/4984-0-0x0000000002BA0000-0x0000000002C34000-memory.dmp

Filesize
592KB

Download
memory/4984-3-0x0000000010000000-0x0000000010093000-memory.dmp

Filesize
588KB

Download
memory/4984-21-0x0000000002BA0000-0x0000000002C34000-memory.dmp

Filesize
592KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads