380cfe3cfa4bce3334e3c58d146546400c23de1b3e73754eb42c58fc0b556e9c

Analysis

max time kernel
150s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/02/2023, 13:42

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General

Target

b422922aecaf3119c2bc71dffcf41940c13ced20.exe
Size

14KB
MD5

ecbd8f41f00a45093242243777b2f4ac
SHA1

b422922aecaf3119c2bc71dffcf41940c13ced20
SHA256

380cfe3cfa4bce3334e3c58d146546400c23de1b3e73754eb42c58fc0b556e9c
SHA512

b4a8031b6ef164a945ef0ce779af7aa189fe26b2d375984b0609fa9bf05e10f40b8debc207fba09447117edf26c2a30d6cfe7b60804fb57e47bcbc699f87c55a
SSDEEP

384:vFs4l4zB8r8TuuG7gIAv83Gnb88WtpV5qFIRdV7cxVY02Ri8z:vF3QBnG7g/0mb8hsF0V7SVY0OiC

Score

7^/10

persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
752	b422922aecaf3119c2bc71dffcf41940c13ced20.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RUN\isndntio = "C:\\Windows\\isndntio.exe"	b422922aecaf3119c2bc71dffcf41940c13ced20.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\isndntio.dll	b422922aecaf3119c2bc71dffcf41940c13ced20.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\isndntio.exe	b422922aecaf3119c2bc71dffcf41940c13ced20.exe
File opened for modification	C:\Windows\isndntio.exe	b422922aecaf3119c2bc71dffcf41940c13ced20.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
752	b422922aecaf3119c2bc71dffcf41940c13ced20.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
752	b422922aecaf3119c2bc71dffcf41940c13ced20.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 1388	752	b422922aecaf3119c2bc71dffcf41940c13ced20.exe	15
PID 752 wrote to memory of 1388	752	b422922aecaf3119c2bc71dffcf41940c13ced20.exe	15

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1388
- C:\Users\Admin\AppData\Local\Temp\b422922aecaf3119c2bc71dffcf41940c13ced20.exe
  "C:\Users\Admin\AppData\Local\Temp\b422922aecaf3119c2bc71dffcf41940c13ced20.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:752

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\isndntio.dll

Filesize
22KB

MD5
6086d42386408dfffb84a97bdc3d7d1e

SHA1
553ad448e00d04604b2ac5e1d7733be49c217901

SHA256
5917ac2377625d9af6d12fd2333ac00db7298c293a89cd537c9e304bbd001115

SHA512
3bd63eb15b96c6a3cb5e04d15f8be85f2dcb0a447691e5c5016110e8ffbc186b76dc9fd732900a3227b5410c46a91a0968c85452c43a404f447178a862158a34

Download Submit
memory/1388-54-0x0000000002A50000-0x0000000002A51000-memory.dmp

Filesize
4KB

Download
memory/1388-55-0x0000000002A60000-0x0000000002A61000-memory.dmp

Filesize
4KB

Download