guloader | aee64c5a3526dba38aacc288a682e5f645140ee9db1dbe13ab3f0b2e3b4798b8

Analysis

max time kernel
34s
max time network
20s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 09:37

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General

Target

fc5ffcb61eee5d39a9d337576bc8aa4a44715ebf467775fb773f2dbf9dd4d537.exe
Size

627KB
MD5

71151a83dd3ba35853e6751ea81ad379
SHA1

d8ab5070b43bfb9b4c07fe11727f096225100820
SHA256

fc5ffcb61eee5d39a9d337576bc8aa4a44715ebf467775fb773f2dbf9dd4d537
SHA512

170e787b73039ea7cfcf5add3e3ef79bbb6b7538e8a6d024b6ea6f3a12076ced8a98142d601563cb81bc335f8e199594e4cd3078057c2ec3de531605030563b4
SSDEEP

12288:sgYFQSJLOnGKXkmIv9PUdYFNXEUCQ30VYhYi2Br/Gb3:sg0NknGKX09MdY7EUC+0V9dTGz

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
1820	fc5ffcb61eee5d39a9d337576bc8aa4a44715ebf467775fb773f2dbf9dd4d537.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 Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\Flerbrugerinstallationerne\Frigrelser\Phenoxazine\Glimrede1.Lss	fc5ffcb61eee5d39a9d337576bc8aa4a44715ebf467775fb773f2dbf9dd4d537.exe
File opened for modification	C:\Windows\resources\0409\Flyvebaaden\Bioscience165\Vejledningformers.ini	fc5ffcb61eee5d39a9d337576bc8aa4a44715ebf467775fb773f2dbf9dd4d537.exe
File opened for modification	C:\Windows\resources\Boneblack\Varvig\Vedheftendes\Realisternes.ini	fc5ffcb61eee5d39a9d337576bc8aa4a44715ebf467775fb773f2dbf9dd4d537.exe
File opened for modification	C:\Windows\Fonts\Toxiinfection\Nev\Tappekolonnens.Lak	fc5ffcb61eee5d39a9d337576bc8aa4a44715ebf467775fb773f2dbf9dd4d537.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	fc5ffcb61eee5d39a9d337576bc8aa4a44715ebf467775fb773f2dbf9dd4d537.exe

C:\Users\Admin\AppData\Local\Temp\fc5ffcb61eee5d39a9d337576bc8aa4a44715ebf467775fb773f2dbf9dd4d537.exe
"C:\Users\Admin\AppData\Local\Temp\fc5ffcb61eee5d39a9d337576bc8aa4a44715ebf467775fb773f2dbf9dd4d537.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1820

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\nseED8C.tmp\System.dll

Filesize
12KB

MD5
564bb0373067e1785cba7e4c24aab4bf

SHA1
7c9416a01d821b10b2eef97b80899d24014d6fc1

SHA256
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5

SHA512
22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472

Download Submit
memory/1820-18-0x0000000003A50000-0x0000000003B51000-memory.dmp

Filesize
1.0MB

Download
memory/1820-19-0x0000000003A50000-0x0000000003B51000-memory.dmp

Filesize
1.0MB

Download