guloader | 174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a

Analysis

max time kernel
149s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/08/2026, 15:54

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General

Target
174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe
Size 402KB
Sample260824-tcesbseb32
SHA256 174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a
MD5 05303a7d2a6b9a8672abaa23abf2c99c
SHA1 6c7c555a55f3b3d7b58c71f6ecb8df87e9296a06
SHA512 8402dc6f418451b3b832e367ddf35758e7b10ca2e3c59d1057cb736a134ed9d5a86f85a4a726b5fbcd77fc764da6862c803eec8ed4b518c4491f54df8e5fbaea
SSDEEP 6144:Jwq3Nplp8rtzZ3vxjmMAQFEY86jgGf5LYR1tQ73cnfU71437AU4asFS7kq9DCfQz:JzhufPAgEYFVLaFkqooa4F8LW/cQ5
TLSH
T1F294BF423D0CA8D7ED3D2372296785862FB474BA4B92169F7AAFF65648023034E1FD5C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery downloader guloader persistence

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
4896	174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Startup key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\directory\\filename.exe"	174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4896	174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe
2416	174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.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	174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4896	174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 4784	4896	174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe	89
PID 4896 wrote to memory of 2416	4896	174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe	90
PID 4896 wrote to memory of 2416	4896	174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe	90
PID 2416 wrote to memory of 900	2416	174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe	92

C:\Users\Admin\AppData\Local\Temp\174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe
"C:\Users\Admin\AppData\Local\Temp\174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Users\Admin\AppData\Local\Temp\174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe
  "C:\Users\Admin\AppData\Local\Temp\174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe"
  2⤵
  PID:4784
- C:\Users\Admin\AppData\Local\Temp\174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe
  "C:\Users\Admin\AppData\Local\Temp\174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2416
- - C:\Users\Admin\AppData\Local\Temp\174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe
    "C:\Users\Admin\AppData\Local\Temp\174047faedae187b42c666c6c34ba1fdb1791b16f1c63f6bd2258fbd6409b77a.exe"
    3⤵
    PID:900

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\nsb4714.tmp\System.dll
Size 11KB
SHA256 bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
MD5 17ed1c86bd67e78ade4712be48a7d2bd
SHA1 1cc9fe86d6d6030b4dae45ecddce5907991c01a0
SHA512 0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5
SSDEEP 192:eY24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35Ol+Sl:E8QIl975eXqlWBrz7YLOl+
TLSH
T1E3325C12135081F3E4918138C86B3A276B6A15029BF98E57DFD39546BE31BE3BD7D603
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2416-11-0x0000000000400000-0x00000000016E6000-memory.dmp

Download

memory/2416-12-0x00000000016F0000-0x000000000455E000-memory.dmp

Download

memory/2416-13-0x0000000000400000-0x00000000016E6000-memory.dmp

Download

memory/2416-14-0x00000000016F0000-0x000000000455E000-memory.dmp

Download

memory/4896-9-0x0000000003CC0000-0x0000000006B2E000-memory.dmp

Download

memory/4896-10-0x0000000010004000-0x0000000010005000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads