82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3

Analysis

max time kernel
143s
max time network
129s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 05:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3.exe
Size

199KB
MD5

70b1d07024dfa7bcf66a07e8a6c8f618
SHA1

07df32d67f587afee83e0ce309b5275dfbfe1bf0
SHA256

82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3
SHA512

d6cc177fe8aaad8547399f75b21782d29cd85978dc49c90fb448124a9e887ff5b60feb919f9740ee28894ae9eeb1a12f1ce97de836ff130902abd4d20fe4f74d
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOT:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXW

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2228	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1892	iuyhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\iuyhost.exe	82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3.exe
File opened for modification	C:\Windows\Debug\iuyhost.exe	82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	iuyhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	iuyhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2208	82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2228	2208	82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3.exe	29
PID 2208 wrote to memory of 2228	2208	82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3.exe	29
PID 2208 wrote to memory of 2228	2208	82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3.exe	29
PID 2208 wrote to memory of 2228	2208	82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3.exe	29

C:\Users\Admin\AppData\Local\Temp\82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3.exe
"C:\Users\Admin\AppData\Local\Temp\82ff093b0eb7a9da56c7181e89efa7be6c95e28e233579ffed45914474110fe3.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\82FF09~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2228

C:\Windows\Debug\iuyhost.exe
C:\Windows\Debug\iuyhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:1892

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

Loading Replay Monitor...

Downloads

C:\Windows\debug\iuyhost.exe

Filesize
199KB

MD5
4676d2cea73d1546ff1bba5743792141

SHA1
b0c41a73c06481587d854aa8c4e8f45d838a39ef

SHA256
e874103e56cc3c766c40d322c4eb2b9929335d9d3e493e04e1057a488250c32a

SHA512
afef341c7c4c234852cd01d5dc08d7dfd95664c669b1a0693457c536deb340b8229ec93830d4bea5027e426e705835328497d2cbd6024e79bb9b52f94f869901

Download Submit