5368d1304472d335854f64830e2d5652a462bceaba8eac2b9b6e1a31bb03b8ab

Analysis

max time kernel
141s
max time network
126s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
20/09/2023, 09:26

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General

Target

5368d1304472d335854f64830e2d5652a462bceaba8eac2b9b6e1a31bb03b8ab.exe
Size

198KB
MD5

44e969ac077f982921546ae1ced70c4d
SHA1

eb46fce6d9fffa63096a301281db37e5c754ccc8
SHA256

5368d1304472d335854f64830e2d5652a462bceaba8eac2b9b6e1a31bb03b8ab
SHA512

005bd329b88f083b7b236f1231df5bee956368c330c4ee7a9068618e3fdc39eb40aab650f2d7003130f4b2d39563a3fb1292f8bc0a2aa444bb742628d7d6bbed
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOF:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXX4

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2372	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2368	iuyhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\iuyhost.exe	5368d1304472d335854f64830e2d5652a462bceaba8eac2b9b6e1a31bb03b8ab.exe
File opened for modification	C:\Windows\Debug\iuyhost.exe	5368d1304472d335854f64830e2d5652a462bceaba8eac2b9b6e1a31bb03b8ab.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	1512	5368d1304472d335854f64830e2d5652a462bceaba8eac2b9b6e1a31bb03b8ab.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 2372	1512	5368d1304472d335854f64830e2d5652a462bceaba8eac2b9b6e1a31bb03b8ab.exe	30
PID 1512 wrote to memory of 2372	1512	5368d1304472d335854f64830e2d5652a462bceaba8eac2b9b6e1a31bb03b8ab.exe	30
PID 1512 wrote to memory of 2372	1512	5368d1304472d335854f64830e2d5652a462bceaba8eac2b9b6e1a31bb03b8ab.exe	30
PID 1512 wrote to memory of 2372	1512	5368d1304472d335854f64830e2d5652a462bceaba8eac2b9b6e1a31bb03b8ab.exe	30

C:\Users\Admin\AppData\Local\Temp\5368d1304472d335854f64830e2d5652a462bceaba8eac2b9b6e1a31bb03b8ab.exe
"C:\Users\Admin\AppData\Local\Temp\5368d1304472d335854f64830e2d5652a462bceaba8eac2b9b6e1a31bb03b8ab.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\5368D1~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2372

C:\Windows\Debug\iuyhost.exe
C:\Windows\Debug\iuyhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2368

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\Debug\iuyhost.exe

Filesize
198KB

MD5
bcb67f201911e2742382650e69e898dc

SHA1
cdb946cd031c9f1d279c7606b70c4c1b32e06c0d

SHA256
823676807208e11555cc71cb093033145f85c806e9c06990c1193caf0c362268

SHA512
2fbe67dd1f77b130ca855a6fb44c1236de299a8e46f677f2c992ce22bf54a1466dee6ab7599e476f02e74c0e85d9d5c4dd2c17b431dc4284002e579858b74912

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C:\Windows\debug\iuyhost.exe

Filesize
198KB

MD5
bcb67f201911e2742382650e69e898dc

SHA1
cdb946cd031c9f1d279c7606b70c4c1b32e06c0d

SHA256
823676807208e11555cc71cb093033145f85c806e9c06990c1193caf0c362268

SHA512
2fbe67dd1f77b130ca855a6fb44c1236de299a8e46f677f2c992ce22bf54a1466dee6ab7599e476f02e74c0e85d9d5c4dd2c17b431dc4284002e579858b74912

Download Submit