guloader | 65ad6ea66f265da765e99f6c29eff4ca13b0463b1e77285c2501e5df5a32286d

Analysis

max time kernel
124s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2024, 02:44

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
e93834f6aafd3afa40912103139f648b18064c5c85b2a4f995dff606d158cd91.exe
Size 299KB
Sample241225-c8jbysvqhl
SHA256 e93834f6aafd3afa40912103139f648b18064c5c85b2a4f995dff606d158cd91
MD5 083db2ba5107452aee57ab26cff7a4fe
SHA1 fc5eaafe57816ebd7fc560b2d66a97323a7fd942
SHA512 bd012db0a6467a52513eb5916125622bb111b0dce63679a69e62083c8f6a34113fcaade9ece96a0b0cc7d664078a7649d904218b495a03a1515d9fa6de4be9ff
SSDEEP 6144:bYa6glG2JYtxtI4hitoO1EEl8AbZX/9TLeY9ap4vlno:bYAG2JjUd0t9X/djap21
MD5 SHA1 SHA512 SSDEEP

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
4860	e93834f6aafd3afa40912103139f648b18064c5c85b2a4f995dff606d158cd91.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 Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\sahidic\Servitutbelagte\Chamkanni.pro	e93834f6aafd3afa40912103139f648b18064c5c85b2a4f995dff606d158cd91.exe
File opened for modification	C:\Program Files (x86)\Betlende80\Trstubbe\Berggylternes\Jegerne.Pli	e93834f6aafd3afa40912103139f648b18064c5c85b2a4f995dff606d158cd91.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Fonts\Mycoses31\gnidningsmodstandene\Atomkraftvrket\Bislagene.Dan	e93834f6aafd3afa40912103139f648b18064c5c85b2a4f995dff606d158cd91.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	e93834f6aafd3afa40912103139f648b18064c5c85b2a4f995dff606d158cd91.exe

C:\Users\Admin\AppData\Local\Temp\e93834f6aafd3afa40912103139f648b18064c5c85b2a4f995dff606d158cd91.exe
"C:\Users\Admin\AppData\Local\Temp\e93834f6aafd3afa40912103139f648b18064c5c85b2a4f995dff606d158cd91.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4860

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

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsd8F04.tmp\System.dll
Size 12KB
SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 cff85c549d536f651d4fb8387f1976f2
SHA1 d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SHA512 531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
SSDEEP 192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/4860-11-0x0000000004A60000-0x0000000004B70000-memory.dmp

Download

memory/4860-12-0x0000000004A60000-0x0000000004B70000-memory.dmp