38130c93482996bc6b4828242f63ec0ffb63209409cf92fc9d851f14ee18366c

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
11-07-2024 18:25

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General

Target

$8/APOConfig.exe
Size

195KB
MD5

77893038ecf3f3a96afaea9db5a8a25f
SHA1

c9ce77d1dfc66390392e5d415e4c349c07a4c0a6
SHA256

36b966087ccbb6a35dbaf7ef22725f18f62bff8cf3514c6a1f66d4ca18485824
SHA512

d7514d0b93224118b329a19ec28c79e83f5779af375080db2f60e2a73e7131a2769850c43a614b0071a3a265dc5745dc016f4963779730550ae49af499bb5818
SSDEEP

6144:9V5+hXJPAWak1DSPdAkAAKHuqBH9AOrAChfBkQULM7m:9n+pJPAWak1DS1eAKHuqBH9XfmQULF

Score

5^/10

persistence privilege_escalation

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\Control Panel\International\Geo\Nation	APOConfig.exe

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 19 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\MaxOutputConnections = "1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\MaxInputConnections = "1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\MinOutputConnections = "1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\MinorVersion = "0"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\Flags = "15"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\ = "ClownfishAPO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$8\\ClownfshAPO64.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\FriendlyName = "ClownfishAPO"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\MajorVersion = "1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\MinInputConnections = "1"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\MaxInstances = "4294967295"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\NumAPOInterfaces = "1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\APOInterface0 = "{FD7F2B29-24D0-4B5C-B177-592C39F9CA10}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{80E0C6D1-9465-43B2-9BD5-27A3A56CF1B3}\Copyright = "Developed in Shark Labs, Sofia, 2016-2021"	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	2668	APOConfig.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2104	2668	APOConfig.exe	86
PID 2668 wrote to memory of 2104	2668	APOConfig.exe	86
PID 2668 wrote to memory of 2104	2668	APOConfig.exe	86
PID 2104 wrote to memory of 2080	2104	regsvr32.exe	87
PID 2104 wrote to memory of 2080	2104	regsvr32.exe	87

C:\Users\Admin\AppData\Local\Temp\$8\APOConfig.exe
"C:\Users\Admin\AppData\Local\Temp\$8\APOConfig.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\$8\ClownfshAPO64.dll"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Windows\system32\regsvr32.exe
    /s "C:\Users\Admin\AppData\Local\Temp\$8\ClownfshAPO64.dll"
    3⤵
    - Modifies registry class
    PID:2080

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Privilege Escalation

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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