guloader | cbe3e75cfa4cc5982f4c4482311ca1eb9ea6f9da13ddcae3c3f72a08224bac98

Analysis

max time kernel
96s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 09:17

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General

Target

50595_1570 - JSV.pdf.exe
Size

315KB
MD5

054c074f443d2413b39ac240c0361668
SHA1

f121a904e1bbedfa35607465a40b10927152e304
SHA256

c7a666f4adb02ba6a0bfbf3511b2695ce654324530d4a168c1af8f907b3cf918
SHA512

e4d388611383ef0183019117c5c7cba5c2285a88898595c3f4194e15b5877fc578d050bd262f2e95425869bbe8de1fc05947dec8e783cf81d72d93b6471b7771
SSDEEP

6144:hhgqhw9oAFPZVheNA+ff0R9CS+nv7ACMCgC9:Uqknhe2e69Ctv7JMCj

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
2448	50595_1570 - JSV.pdf.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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	50595_1570 - JSV.pdf.exe

C:\Users\Admin\AppData\Local\Temp\50595_1570 - JSV.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\50595_1570 - JSV.pdf.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2448

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsyCEF9.tmp\System.dll

Filesize
11KB

MD5
a4dd044bcd94e9b3370ccf095b31f896

SHA1
17c78201323ab2095bc53184aa8267c9187d5173

SHA256
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc

SHA512
87335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a

Download Submit
memory/2448-7-0x0000000004560000-0x0000000004661000-memory.dmp

Filesize
1.0MB

Download
memory/2448-8-0x0000000004560000-0x0000000004661000-memory.dmp

Filesize
1.0MB

Download