382b038933967bfee1428ec297736226045b1acafce0bf6b9bd7f1c2fee348bd | Triage

Resubmissions

17/04/2024, 12:45

240417-py47wsff45 10

17/04/2024, 12:45

240417-py3n3ahb5z 10

17/04/2024, 12:45

240417-py23jahb5x 10

17/04/2024, 12:44

240417-pyxg2sff35 10

17/04/2024, 12:44

240417-pyw7aaff33 10

17/04/2024, 06:12

240417-gynk5sff65 10

Analysis

max time kernel
148s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
17/04/2024, 12:44

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General

Target

382b038933967bfee1428ec297736226045b1acafce0bf6b9bd7f1c2fee348bd.exe
Size

84KB
MD5

eeaeb64b80465d155e7c53858de7761c
SHA1

5c1e8a6783c4db3e331103e86dd4383ed1a8286f
SHA256

382b038933967bfee1428ec297736226045b1acafce0bf6b9bd7f1c2fee348bd
SHA512

f69885e932515cbdf94556fe19f447fc5b530f41eed64e12bf7efcfb3761ef15a1d3e88248ae4aa288bef25cd70b3a88611e2671e21ae64da3d78fc6f4bed188
SSDEEP

1536:Gh/3/Qo5qRJvMo23MPM8MDyR1CaVHob64SPy6bgMuqDqkyJcFh:Gh/Xj4R1RVHoWrbfuaqk/F

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	audiodg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	audiodg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	audiodg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	audiodg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	audiodg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	audiodg.exe

Executes dropped EXE 1 IoCs

pid	Process
2624	audiodg.exe

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	audiodg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	audiodg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	audiodg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	audiodg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	audiodg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	audiodg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	audiodg.exe

Adds Run key to start application 2 TTPs 2 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Audio Device Graph Isolation = "C:\\297374405182\\audiodg.exe"	382b038933967bfee1428ec297736226045b1acafce0bf6b9bd7f1c2fee348bd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Audio Device Graph Isolation = "C:\\297374405182\\audiodg.exe"	382b038933967bfee1428ec297736226045b1acafce0bf6b9bd7f1c2fee348bd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 2624	4392	382b038933967bfee1428ec297736226045b1acafce0bf6b9bd7f1c2fee348bd.exe	81
PID 4392 wrote to memory of 2624	4392	382b038933967bfee1428ec297736226045b1acafce0bf6b9bd7f1c2fee348bd.exe	81
PID 4392 wrote to memory of 2624	4392	382b038933967bfee1428ec297736226045b1acafce0bf6b9bd7f1c2fee348bd.exe	81

C:\Users\Admin\AppData\Local\Temp\382b038933967bfee1428ec297736226045b1acafce0bf6b9bd7f1c2fee348bd.exe
"C:\Users\Admin\AppData\Local\Temp\382b038933967bfee1428ec297736226045b1acafce0bf6b9bd7f1c2fee348bd.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4392
- C:\297374405182\audiodg.exe
  C:\297374405182\audiodg.exe
  2⤵
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Impair Defenses

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\297374405182\audiodg.exe

Filesize
84KB

MD5
eeaeb64b80465d155e7c53858de7761c

SHA1
5c1e8a6783c4db3e331103e86dd4383ed1a8286f

SHA256
382b038933967bfee1428ec297736226045b1acafce0bf6b9bd7f1c2fee348bd

SHA512
f69885e932515cbdf94556fe19f447fc5b530f41eed64e12bf7efcfb3761ef15a1d3e88248ae4aa288bef25cd70b3a88611e2671e21ae64da3d78fc6f4bed188

Download Submit
memory/4392-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4392-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download