guloader | 17591a1818c3e80dbddd26fa86566152ca06d64e7d0ada9a709e68bb59bf5bd1

Analysis

max time kernel
144s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2022 04:14

Target

17591a1818c3e80dbddd26fa86566152ca06d64e7d0ada9a709e68bb59bf5bd1.exe
Size

635KB
MD5

2b5646556eac75525e56a43a13faeac5
SHA1

709b337ac9eda16c0f5ad3f81530373b48262b19
SHA256

17591a1818c3e80dbddd26fa86566152ca06d64e7d0ada9a709e68bb59bf5bd1
SHA512

868498d4ab6029f828f178be171615e7b25911e02ad87c2965432c8d14aed2f6165dd9e67bc09379f58e4e4c8ee5777dcb43edb495d65877ae821812a9b08989
SSDEEP

12288:wNfv98L/yMxwt92EPBMH6W1bi6f+KCCQgI0tOP7HNC4T6ouo8yx:wNf1mJxQUEPWT1GC+KRQgInTM4uM

Score

10^/10

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Loads dropped DLL 1 IoCs

Processes:

17591a1818c3e80dbddd26fa86566152ca06d64e7d0ada9a709e68bb59bf5bd1.exe

pid process

1328 17591a1818c3e80dbddd26fa86566152ca06d64e7d0ada9a709e68bb59bf5bd1.exe

pid	process
1328	17591a1818c3e80dbddd26fa86566152ca06d64e7d0ada9a709e68bb59bf5bd1.exe

Drops file in Program Files directory 1 IoCs

Processes:

17591a1818c3e80dbddd26fa86566152ca06d64e7d0ada9a709e68bb59bf5bd1.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Common Files\Jujuism\Frette.Jyt	17591a1818c3e80dbddd26fa86566152ca06d64e7d0ada9a709e68bb59bf5bd1.exe

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

System Information Discovery
T1082

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Users\Admin\AppData\Local\Temp\nsoB721.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
memory/1328-133-0x00000000049C0000-0x0000000004AC1000-memory.dmp

Filesize
1.0MB

Download
memory/1328-134-0x00000000049C0000-0x0000000004AC1000-memory.dmp

Filesize
1.0MB

Download