guloader | 93d1cfc1144a770d979ce7eaaa745f3e627d3af2b08b3e09bdbd4fbb7329a744

Analysis

max time kernel
94s
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
29-12-2024 06:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

RFQ_0487556789765678.exe
Size

891KB
MD5

c40baf8d9d47b9c4a2275db7c3e2ab52
SHA1

8f9cdb9f78fe31f72ff01efbbd549a29c4c642f5
SHA256

856888dc7dad77cfd55ce59da31a1f2648d6bdb9972183c8233529145d39240f
SHA512

762c863ee918837d5b9438f919e10fd5ce881aa5bb4633fb882a87f34164db37b00b089f12d80d65c1f9076e19d18342b6da8ca5700ab5ef14d90adb60f83b0b
SSDEEP

24576:G9KQDGLersCUfvmWSH1YvgnMu1xygATZ0wNrcMfcVLCN:eDhABuxHeiT/yTZnZt

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
532	RFQ_0487556789765678.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

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Beskatningsformen.Por	RFQ_0487556789765678.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\Dismask\Ringeapparaterne85\Letsvrvgteren37.ini	RFQ_0487556789765678.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	RFQ_0487556789765678.exe

C:\Users\Admin\AppData\Local\Temp\RFQ_0487556789765678.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ_0487556789765678.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:532

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nsmBD79.tmp\System.dll

Filesize
12KB

MD5
792b6f86e296d3904285b2bf67ccd7e0

SHA1
966b16f84697552747e0ddd19a4ba8ab5083af31

SHA256
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917

SHA512
97edc3410b88ca31abc0af0324258d2b59127047810947d0fb5e7e12957db34d206ffd70a0456add3a26b0546643ff0234124b08423c2c9ffe9bdec6eb210f2c

Download Submit
memory/532-17-0x0000000002DC0000-0x0000000002EC1000-memory.dmp

Filesize
1.0MB

Download
memory/532-18-0x0000000002DC0000-0x0000000002EC1000-memory.dmp

Filesize
1.0MB

Download