guloader | 25ba9fa66289633e4338b6515479c9ada624395874e90589233bbaf528989f1a

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 18:10

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General

Target

a111e841a0b8bdac6578b44d096d159b430c18f8e7a3103ae8881375e11b8496.exe
Size

507KB
MD5

1e0bf9be9a0e840d758e3e43d44b400d
SHA1

e8e099bc702aeb950962757ba68833c5a4975ab8
SHA256

a111e841a0b8bdac6578b44d096d159b430c18f8e7a3103ae8881375e11b8496
SHA512

7ed268a44f4882ba6b0498b1e5d967a0ddb28b78c84de642754c7d02d3fbd132f998a8b28ec98043c02ff67185962d5265cd93123049c661747fdddc2dc03925
SSDEEP

6144:vYa6qTGjumiuBbi01F86+76vl2xLTa8W8GlxKYA7Xw/iZPvlDXBIcaL:vYXdkAl2xLTaIGljrqZPvFKc2

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
2200	a111e841a0b8bdac6578b44d096d159b430c18f8e7a3103ae8881375e11b8496.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Krogens.Run	a111e841a0b8bdac6578b44d096d159b430c18f8e7a3103ae8881375e11b8496.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	a111e841a0b8bdac6578b44d096d159b430c18f8e7a3103ae8881375e11b8496.exe

C:\Users\Admin\AppData\Local\Temp\a111e841a0b8bdac6578b44d096d159b430c18f8e7a3103ae8881375e11b8496.exe
"C:\Users\Admin\AppData\Local\Temp\a111e841a0b8bdac6578b44d096d159b430c18f8e7a3103ae8881375e11b8496.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2200

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

\Users\Admin\AppData\Local\Temp\nstCD60.tmp\System.dll

Filesize
12KB

MD5
cff85c549d536f651d4fb8387f1976f2

SHA1
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

SHA256
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

SHA512
531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

Download Submit
memory/2200-8-0x0000000003780000-0x0000000003897000-memory.dmp

Filesize
1.1MB

Download
memory/2200-9-0x0000000003780000-0x0000000003897000-memory.dmp

Filesize
1.1MB

Download