guloader | a02a9471808b56743d86a8420198f0c94a39cf2aa56f4db9cdd21c091c97b436

Analysis

max time kernel
93s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2024, 12:53

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General

Target
Purchase Order 291765.exe
Size 590KB
Sample241129-p4sfaawncw
SHA256 7b8714bdeaf6cd6803078d5b21af1afd9dccecf13456bdb4c879a63c4683a374
MD5 d1c1b8a2281aef064c89254a6dae6784
SHA1 97db63131a4e9e6ae649cfb32c4038577d62feb0
SHA512 0adab21b0b33dd2138f9814afdb563478bd9e92fa2125d26a6b52d64a3bb0724bb89e5bf2d7728dbc657fcf1b1b02cb640f9e99980c92e466afe225f59622859
SSDEEP 12288:XgDX/G7k2F1axoSAtT/ljZhsQTNnNE3pKPuQHhFJUBZTsSHz:A/ak2F1aiSAtT/l12gnC3pO3HHaBZAST
MD5 SHA1 SHA512 SSDEEP

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
2680	Purchase Order 291765.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	Purchase Order 291765.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order 291765.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order 291765.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2680

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

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsp784F.tmp\System.dll
Size 11KB
SHA256 2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
MD5 a4dd044bcd94e9b3370ccf095b31f896
SHA1 17c78201323ab2095bc53184aa8267c9187d5173
SHA512 87335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a
SSDEEP 192:em24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35OlESl:m8QIl975eXqlWBrz7YLOlE
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2680-11-0x0000000003270000-0x0000000003371000-memory.dmp

Download

memory/2680-12-0x0000000003270000-0x0000000003371000-memory.dmp