guloader | a49b3780d9a1af972b0e6d252284edff3b00e35713336456579431f1081debe4

Analysis

max time kernel
98s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30/08/2024, 02:00

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
a49b3780d9a1af972b0e6d252284edff3b00e35713336456579431f1081debe4.exe
Size 406KB
Sample240830-cfc98stcnn
SHA256 a49b3780d9a1af972b0e6d252284edff3b00e35713336456579431f1081debe4
MD5 2e620407c0b25239ef46534a34217c27
SHA1 1751f775e9e9279757ec94c9f4cf63b01af42525
SHA512 14a0898606e1b8405edb8b790f65ee207e4fe3e1dfdc4f21c6a5014730e80cdc5bffaf9d5af54fc8070cc59fd4873c16a89736fd8dd7733f900a8c6d14755457
SSDEEP 12288:NtjALF2QGm6An6r2vvCi1JQhmlfwfmgpTxDFlvT:HYUQcAn66C+JQhml4bhx3T
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

guloader discovery downloader

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
3456	a49b3780d9a1af972b0e6d252284edff3b00e35713336456579431f1081debe4.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Fonts\logorrheic.ini	a49b3780d9a1af972b0e6d252284edff3b00e35713336456579431f1081debe4.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	a49b3780d9a1af972b0e6d252284edff3b00e35713336456579431f1081debe4.exe

C:\Users\Admin\AppData\Local\Temp\a49b3780d9a1af972b0e6d252284edff3b00e35713336456579431f1081debe4.exe
"C:\Users\Admin\AppData\Local\Temp\a49b3780d9a1af972b0e6d252284edff3b00e35713336456579431f1081debe4.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3456

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

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nstA7DB.tmp\System.dll
Size 11KB
SHA256 5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3
MD5 7399323923e3946fe9140132ac388132
SHA1 728257d06c452449b1241769b459f091aabcffc5
SHA512 d6f28ba761351f374ae007c780be27758aea7b9f998e2a88a542eede459d18700adffe71abcb52b8a8c00695efb7ccc280175b5eeb57ca9a645542edfabb64f1
SSDEEP 192:eF2HS5ih/7i00dWz9T7PH6lOFcQMI5+Vw+bPFomi7dJWsP:rSUmlw9T7DmnI5+N273FP
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3456-12-0x00000000030C0000-0x0000000004079000-memory.dmp

Download

memory/3456-13-0x00000000030C0000-0x0000000004079000-memory.dmp