guloader | a1c17c59ff96629a89e6690e6d52e0476db20b23d5fc1ae9cbe18867aee01dc5

Analysis

max time kernel
99s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2024 22:26

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General

Target

bb27d4e0e5db3a83d42af246914e2f12c1cb3276c38b04ab429460af33cc7eda.exe
Size

296KB
MD5

41c1ae130642a5924d7360365d0c92ac
SHA1

e437bd0353385a88f4c15bd430e90e583b734a70
SHA256

bb27d4e0e5db3a83d42af246914e2f12c1cb3276c38b04ab429460af33cc7eda
SHA512

e0b9e03cd21cdabfec3eafce2638297b68bc5087cbd6e8e34d007aae0d3fcc2fc1508db47455ba2bb67a14f1f3779cf35c546df2126925c7239251822574b117
SSDEEP

6144:/Dfe/ZReCl/KZwyZXgADnXBK7PKGVI4y8A:jhyPUXgADxKTKII4VA

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
4356	bb27d4e0e5db3a83d42af246914e2f12c1cb3276c38b04ab429460af33cc7eda.exe
4356	bb27d4e0e5db3a83d42af246914e2f12c1cb3276c38b04ab429460af33cc7eda.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	bb27d4e0e5db3a83d42af246914e2f12c1cb3276c38b04ab429460af33cc7eda.exe

C:\Users\Admin\AppData\Local\Temp\bb27d4e0e5db3a83d42af246914e2f12c1cb3276c38b04ab429460af33cc7eda.exe
"C:\Users\Admin\AppData\Local\Temp\bb27d4e0e5db3a83d42af246914e2f12c1cb3276c38b04ab429460af33cc7eda.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4356

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\nspB7C9.tmp\Math.dll

Filesize
66KB

MD5
70ba99745542354a2efcb1c2f167b62b

SHA1
8b18bc8d3e6e52222baef7ab7ab125436ef5c966

SHA256
711427242bff919c78fbba2b298b5d5898f75d73f1d7f4c4eb22badf525864a5

SHA512
e3504a8d8d2b8793078f6a1f6297fb4c017eaee58360882ea063ab717d11841f2effcec1ba6fada449d1cc491dea35c9a9512237fcdfaf6b55f70f95e9a4d085

Download Submit
C:\Users\Admin\AppData\Local\Temp\nspB7C9.tmp\System.dll

Filesize
12KB

MD5
792b6f86e296d3904285b2bf67ccd7e0

SHA1
966b16f84697552747e0ddd19a4ba8ab5083af31

SHA256
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917

SHA512
97edc3410b88ca31abc0af0324258d2b59127047810947d0fb5e7e12957db34d206ffd70a0456add3a26b0546643ff0234124b08423c2c9ffe9bdec6eb210f2c

Download Submit
memory/4356-11-0x0000000004A10000-0x0000000004B10000-memory.dmp

Filesize
1024KB

Download
memory/4356-12-0x0000000004A10000-0x0000000004B10000-memory.dmp

Filesize
1024KB

Download