guloader | c05e5a9a77bcf8cb8ee558074692d7932e5abacf3485530246c434810864c621

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 15:03

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General

Target

6fbdfa1e431f6fcabcd9ff1153df4f394b751f250c0e1c67db11164928618399.exe
Size

148KB
MD5

d2b3b996eae76e4f9dab220899ef60ab
SHA1

9640ef487ec37202ef531541cdc0297cc3db5fb9
SHA256

6fbdfa1e431f6fcabcd9ff1153df4f394b751f250c0e1c67db11164928618399
SHA512

25375a8d2324aecf3f436ea3e2c71ff14af3a96b0d6a5b1c935dcc25be4d4a2934f97b76f24762d5d7b409f296ef478b81b4ac5a5e07ca35f43064e4c3e50900
SSDEEP

3072:4bG7N2kDTHUpouaVb86ZCPTtSWsw3Rs+P2JYjIFBX6R47onlBXlLmCcIDEQ:4bE/HUM8oC+oP4bFQR4ElBX1cfQ

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
3068	6fbdfa1e431f6fcabcd9ff1153df4f394b751f250c0e1c67db11164928618399.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	6fbdfa1e431f6fcabcd9ff1153df4f394b751f250c0e1c67db11164928618399.exe

C:\Users\Admin\AppData\Local\Temp\6fbdfa1e431f6fcabcd9ff1153df4f394b751f250c0e1c67db11164928618399.exe
"C:\Users\Admin\AppData\Local\Temp\6fbdfa1e431f6fcabcd9ff1153df4f394b751f250c0e1c67db11164928618399.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3068

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

\Users\Admin\AppData\Local\Temp\nso9D1B.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
memory/3068-10-0x0000000003770000-0x0000000003870000-memory.dmp

Filesize
1024KB

Download
memory/3068-11-0x0000000003770000-0x0000000003870000-memory.dmp

Filesize
1024KB

Download