guloader | 4978e16a7f6b716c324810ec44d5a82eeecd80382e4d5ccb4dc031cdc2559d9f

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
07/08/2026, 16:54

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General

Target
2ed6e8ea4a6b.exe
Size 471KB
Sample260807-vesyeahm8s
SHA256 4978e16a7f6b716c324810ec44d5a82eeecd80382e4d5ccb4dc031cdc2559d9f
MD5 69b6e5c1d977f5569c8077dba0366e39
SHA1 c35b6e97ae6a49caa74ed37546c4b9433623d8d8
SHA512 cdaee293fad65e9c0101f962d9341477fbbf71dcdb8b93e666f21e8a814fc432373f08487fe0aa9ae1572ae97e3aa6362f506f8139a6cf7c7742c35949453711
SSDEEP 6144:Owavo7y90GBib6uox6zp6aDjpEBvZThp4czFLtqQfXUEsw9UQjqfShTqYPC148H/:OwG0GTuKiDVqNfz235w3F1PL3RHjnP
TLSH
T1EDA42200B790D55ACD372A345DE64B7B22ABBEA03555A8071320FD5FBC239D5CD2E0B6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery downloader guloader

Malware Config

Signatures

Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Loads dropped DLL 2 IoCs

pid	Process
3068	2ed6e8ea4a6b.exe
3068	2ed6e8ea4a6b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3068	2ed6e8ea4a6b.exe
4664	2ed6e8ea4a6b.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 2 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	2ed6e8ea4a6b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2ed6e8ea4a6b.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3068	2ed6e8ea4a6b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 4820	3068	2ed6e8ea4a6b.exe	86
PID 3068 wrote to memory of 4664	3068	2ed6e8ea4a6b.exe	87
PID 3068 wrote to memory of 4664	3068	2ed6e8ea4a6b.exe	87
PID 4664 wrote to memory of 3892	4664	2ed6e8ea4a6b.exe	92

C:\Users\Admin\AppData\Local\Temp\2ed6e8ea4a6b.exe
"C:\Users\Admin\AppData\Local\Temp\2ed6e8ea4a6b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Users\Admin\AppData\Local\Temp\2ed6e8ea4a6b.exe
  "C:\Users\Admin\AppData\Local\Temp\2ed6e8ea4a6b.exe"
  2⤵
  PID:4820
- C:\Users\Admin\AppData\Local\Temp\2ed6e8ea4a6b.exe
  "C:\Users\Admin\AppData\Local\Temp\2ed6e8ea4a6b.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4664
- - C:\Users\Admin\AppData\Local\Temp\2ed6e8ea4a6b.exe
    "C:\Users\Admin\AppData\Local\Temp\2ed6e8ea4a6b.exe"
    3⤵
    PID:3892

Network

MITRE ATT&CK Enterprise v16

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

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Downloads

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsk5D4F.tmp\System.dll
Size 12KB
SHA256 996645d7f16a6294babb6da83478062aed7b72318d7a51b66e90ab5d3edc51a5
MD5 6d08f0d5503bb100b8429fefaad163a6
SHA1 2a79aac2d3b715326c3dcd3c5cf2e33de3632a0a
SHA512 e259b1aff39c533e3e31cf4eb323c8eb22b2beeb5d8ce2c929de30702a6d8ab8076aeacc983d724b05d7d99a6de8c4d239bd159642c7e75fb86faef683360a1f
SSDEEP 192:cjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZr0QPi:s/Qlt7wiij/lMRv/9V4brr
TLSH
T1A9427C1297B089F2F151093819667F2A6FBEAC5C23F405A3CFE304C63D212CB9879243
MD5 SHA1 SHA512 SSDEEP TLSH

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ransagelsernes.ini

Path C:\Users\Admin\Desktop\ransagelsernes.ini
Size 36B
SHA256 c4064744f0c470623749622c5e6a2641e55261c885514a70eba8259ca2625086
MD5 021dd18aa94e0d6745310d7e1ff56126
SHA1 dff72ee6584374104bb651a93a2b7b0c923303f8
SHA512 d5a839a8c2564150bdf925df98737d02aa667fbc1c12dcae18ad504df0427f858fce9f09d00b89c89daf86cbad838bf6b37ad6bbf1e582e934b70c99f1895ce8
MD5 SHA1 SHA512

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memory/3068-20-0x0000000004DF0000-0x00000000076F8000-memory.dmp

Download

memory/3068-21-0x0000000073F75000-0x0000000073F76000-memory.dmp

Download

memory/3068-22-0x0000000004DF0000-0x00000000076F8000-memory.dmp

Download

memory/4664-23-0x0000000000470000-0x00000000016C4000-memory.dmp

Download

memory/4664-24-0x00000000016D0000-0x0000000003FD8000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads