guloader | e3616a99e4e687ec0837eb1b2b5a2b94932501eebe55a311c9ccdbe0797f9691

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 03:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

821a82bc180569189bd719d19c0aee0f2e0fff9fc4bdeaf251a82f3f37505b44.exe
Size

334KB
MD5

a61b3ac50d3628f841361f7ff9b6a419
SHA1

711b8abc102698e08ab1ffea0578be5e74cfe373
SHA256

821a82bc180569189bd719d19c0aee0f2e0fff9fc4bdeaf251a82f3f37505b44
SHA512

60650441d577b1c1c84bca1ebd457038ce79be42116bcac15b6a183bb6ededc1a81fc7c594e147bf39c07162b13f250478b18052d6c0a708808331f5d6a9fcf0
SSDEEP

6144:lxFSD/2fAezmRoNNt0wEAEXdRqztJloLqI:BMOf/gKtrEAUdebloWI

Score

10^/10

guloader discovery downloader

Malware Config

Signatures

Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Loads dropped DLL 1 IoCs

pid	Process
5092	821a82bc180569189bd719d19c0aee0f2e0fff9fc4bdeaf251a82f3f37505b44.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Arcualia225.Bad	821a82bc180569189bd719d19c0aee0f2e0fff9fc4bdeaf251a82f3f37505b44.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	821a82bc180569189bd719d19c0aee0f2e0fff9fc4bdeaf251a82f3f37505b44.exe

C:\Users\Admin\AppData\Local\Temp\821a82bc180569189bd719d19c0aee0f2e0fff9fc4bdeaf251a82f3f37505b44.exe
"C:\Users\Admin\AppData\Local\Temp\821a82bc180569189bd719d19c0aee0f2e0fff9fc4bdeaf251a82f3f37505b44.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:5092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nsiCE4E.tmp\System.dll

Filesize
12KB

MD5
792b6f86e296d3904285b2bf67ccd7e0

SHA1
966b16f84697552747e0ddd19a4ba8ab5083af31

SHA256
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917

SHA512
97edc3410b88ca31abc0af0324258d2b59127047810947d0fb5e7e12957db34d206ffd70a0456add3a26b0546643ff0234124b08423c2c9ffe9bdec6eb210f2c

Download Submit
memory/5092-4-0x000000000043B000-0x0000000000484000-memory.dmp

Filesize
292KB

Download
memory/5092-5-0x000000000043B000-0x0000000000484000-memory.dmp

Filesize
292KB

Download