969ff1524e50f532b272cee748b30da63c6892608986705e34a89efcc3ea40d4

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 03:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0cf97b5fe3133c0bdc8100a13972dbbd.exe
Size

12KB
MD5

0cf97b5fe3133c0bdc8100a13972dbbd
SHA1

c1e4ee58268912aa625c8afb3e38806e61cd5730
SHA256

969ff1524e50f532b272cee748b30da63c6892608986705e34a89efcc3ea40d4
SHA512

0a14414bd40f9e3432eb177fdd7bbb51918aba35f2018e4f8445e807b346dbd164741a24d403ccbf59fd12134628a9403d28a828b93096a4bd6d30c8703d772f
SSDEEP

384:8no7NccDdj9T9AicZA6Foap8fVxTz8VanCj:ePgt9ZOFoap8fVxUVaCj

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 = "{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}"	0cf97b5fe3133c0bdc8100a13972dbbd.exe

Loads dropped DLL 1 IoCs

pid	Process
4004	0cf97b5fe3133c0bdc8100a13972dbbd.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\adsntzt.tmp	0cf97b5fe3133c0bdc8100a13972dbbd.exe
File opened for modification	C:\Windows\SysWOW64\adsntzt.tmp	0cf97b5fe3133c0bdc8100a13972dbbd.exe
File opened for modification	C:\Windows\SysWOW64\adsntzt.nls	0cf97b5fe3133c0bdc8100a13972dbbd.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}\InProcServer32	0cf97b5fe3133c0bdc8100a13972dbbd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}\InProcServer32\ = "C:\\Windows\\SysWow64\\adsntzt.dll"	0cf97b5fe3133c0bdc8100a13972dbbd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}\InProcServer32\ThreadingModel = "Apartment"	0cf97b5fe3133c0bdc8100a13972dbbd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}	0cf97b5fe3133c0bdc8100a13972dbbd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4004	0cf97b5fe3133c0bdc8100a13972dbbd.exe
4004	0cf97b5fe3133c0bdc8100a13972dbbd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4004	0cf97b5fe3133c0bdc8100a13972dbbd.exe
4004	0cf97b5fe3133c0bdc8100a13972dbbd.exe
4004	0cf97b5fe3133c0bdc8100a13972dbbd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 2412	4004	0cf97b5fe3133c0bdc8100a13972dbbd.exe	103
PID 4004 wrote to memory of 2412	4004	0cf97b5fe3133c0bdc8100a13972dbbd.exe	103
PID 4004 wrote to memory of 2412	4004	0cf97b5fe3133c0bdc8100a13972dbbd.exe	103

C:\Users\Admin\AppData\Local\Temp\0cf97b5fe3133c0bdc8100a13972dbbd.exe
"C:\Users\Admin\AppData\Local\Temp\0cf97b5fe3133c0bdc8100a13972dbbd.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:4004
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\B7A7.tmp.bat
  2⤵
  PID:2412

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\B7A7.tmp.bat

Filesize
179B

MD5
5e24d501dab38e43f1bcc2cfef3429e2

SHA1
11e125ad6a1d2c0c0fdb1535be534a88024f07db

SHA256
a44a97646b668937cd4db1ca76389d334c47a540665a4eb7f3bdd3bc39b7a20b

SHA512
51e4ca5802b12b1952e0345242072f8f4f7a0906819a158dc8e122fa377f225dd2901290a365c7fe694c5090a83cbd637579b70deb8352ea6e315536f92b2bfe

Download Submit
C:\Windows\SysWOW64\adsntzt.tmp

Filesize
555KB

MD5
4d06242dffd17d9b50895a3606b0e65e

SHA1
d936d2d92c3336b60f4ecdac17db98c9776f59b2

SHA256
cb4f9687fd8aaa09dc3ee140754b158fa9b2440364a16135cf4bf5b1e6dcb098

SHA512
a5606162429681431022019e8980f8d514bc813444192f03faba6c1957dab3110b6c56c746094b70331c945013d477c645cd52a0b6de720183eb33be36447555

Download Submit
memory/4004-13-0x0000000020000000-0x0000000020008000-memory.dmp

Filesize
32KB

Download
memory/4004-17-0x0000000020000000-0x0000000020008000-memory.dmp

Filesize
32KB

Download