guloader | 1d14530ab788faba0a913bcc7ea99fc1b3490af1012055b07a41fe1adeded52a

Analysis

max time kernel
135s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 21:50

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General

Target

5e067ac9e724e3d2b2d2378c453c2e4490ebf4f1fe5a23978a6ee2bd1bdbe4dd.exe
Size

312KB
MD5

d4176aac3d797b138a16351a243e2b73
SHA1

4f70a89cea0f2b90f954de38e0743c522f8d999a
SHA256

5e067ac9e724e3d2b2d2378c453c2e4490ebf4f1fe5a23978a6ee2bd1bdbe4dd
SHA512

dcd6ed5abb2c66fac4842fe40bf2c1c6b44be88e6c238a3802ae96d513fd27413f12f26f28b237d9c9700a943030ff0332b571656fb7eb2f912af0cd76917fe8
SSDEEP

6144:rbE/HUyscQZVfFt4jPvLvvjqhw5ZLajqqIZrJrZ:rbe1QJmjHrvjO7jqqIlL

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 2 IoCs

pid	Process
4540	5e067ac9e724e3d2b2d2378c453c2e4490ebf4f1fe5a23978a6ee2bd1bdbe4dd.exe
4540	5e067ac9e724e3d2b2d2378c453c2e4490ebf4f1fe5a23978a6ee2bd1bdbe4dd.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Melodrame22.GAA	5e067ac9e724e3d2b2d2378c453c2e4490ebf4f1fe5a23978a6ee2bd1bdbe4dd.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	5e067ac9e724e3d2b2d2378c453c2e4490ebf4f1fe5a23978a6ee2bd1bdbe4dd.exe

C:\Users\Admin\AppData\Local\Temp\5e067ac9e724e3d2b2d2378c453c2e4490ebf4f1fe5a23978a6ee2bd1bdbe4dd.exe
"C:\Users\Admin\AppData\Local\Temp\5e067ac9e724e3d2b2d2378c453c2e4490ebf4f1fe5a23978a6ee2bd1bdbe4dd.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4540

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\nseC39F.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
memory/4540-11-0x0000000002BE0000-0x0000000002CE0000-memory.dmp

Filesize
1024KB

Download
memory/4540-12-0x0000000002BE0000-0x0000000002CE0000-memory.dmp

Filesize
1024KB

Download