3b9372d3e20da942dc2d45c669d2bb574581b6b79289fcccd6a98fc3b15f21f0

Analysis

max time kernel
121s
max time network
141s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
10/07/2024, 19:05

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General

Target

3b9372d3e20da942dc2d45c669d2bb574581b6b79289fcccd6a98fc3b15f21f0.exe
Size

716KB
MD5

1f76dc76b39394dd7b274605f9734673
SHA1

5c372fcf1750cba8d55461cca9db95d28abb2489
SHA256

3b9372d3e20da942dc2d45c669d2bb574581b6b79289fcccd6a98fc3b15f21f0
SHA512

ef32559310fadaa2fae558ce16be903382330bacccee7c6561cedf09a28f1986197ae4ac5d0dcf4b95dd1e01675ca40e1858c5b3773cb6dd14d04112d58d03bd
SSDEEP

6144:8sJTwyyCznLTllQ74YQot39HTidBTaKHDoehYpgEHNQSM:8yTrvNaFGiwYe9t

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2716	ooeaya.exe
2696	ooeaya.exe

Creates a Windows Service
persistence

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ooeaya.exe	3b9372d3e20da942dc2d45c669d2bb574581b6b79289fcccd6a98fc3b15f21f0.exe
File created	C:\Windows\ooeaya.exe	3b9372d3e20da942dc2d45c669d2bb574581b6b79289fcccd6a98fc3b15f21f0.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ooeaya.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	ooeaya.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie	ooeaya.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum	ooeaya.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7"	ooeaya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum	ooeaya.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	ooeaya.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	ooeaya.exe

Suspicious behavior: EnumeratesProcesses 51 IoCs

pid	Process
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe
2696	ooeaya.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2764	3b9372d3e20da942dc2d45c669d2bb574581b6b79289fcccd6a98fc3b15f21f0.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2764	3b9372d3e20da942dc2d45c669d2bb574581b6b79289fcccd6a98fc3b15f21f0.exe
2716	ooeaya.exe
2696	ooeaya.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2696	2716	ooeaya.exe	31
PID 2716 wrote to memory of 2696	2716	ooeaya.exe	31
PID 2716 wrote to memory of 2696	2716	ooeaya.exe	31
PID 2716 wrote to memory of 2696	2716	ooeaya.exe	31

C:\Users\Admin\AppData\Local\Temp\3b9372d3e20da942dc2d45c669d2bb574581b6b79289fcccd6a98fc3b15f21f0.exe
"C:\Users\Admin\AppData\Local\Temp\3b9372d3e20da942dc2d45c669d2bb574581b6b79289fcccd6a98fc3b15f21f0.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:2764

C:\Windows\ooeaya.exe
C:\Windows\ooeaya.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Windows\ooeaya.exe
  C:\Windows\ooeaya.exe Win7
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\ooeaya.exe

Filesize
716KB

MD5
1f76dc76b39394dd7b274605f9734673

SHA1
5c372fcf1750cba8d55461cca9db95d28abb2489

SHA256
3b9372d3e20da942dc2d45c669d2bb574581b6b79289fcccd6a98fc3b15f21f0

SHA512
ef32559310fadaa2fae558ce16be903382330bacccee7c6561cedf09a28f1986197ae4ac5d0dcf4b95dd1e01675ca40e1858c5b3773cb6dd14d04112d58d03bd

Download Submit
memory/2764-1-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/2764-8-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download