guloader | f0f153962115ea9c51c8591360d45d483ea4700475a66ec09213eb7832d6410d

Analysis

max time kernel
150s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/08/2026, 13:53

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General

Target
f0f153962115ea9c51c8591360d45d483ea4700475a66ec09213eb7832d6410d.exe
Size 388KB
Sample260810-q7akbavygt
SHA256 f0f153962115ea9c51c8591360d45d483ea4700475a66ec09213eb7832d6410d
MD5 52fa117b71c087d3b0bad27cdafd803a
SHA1 e875004990f5df84d12aee0e17b4dc2ee91b925f
SHA512 36cab5cd5223a2eeb4cc9260e3c21dccbc23dd014013852c6e51da0bad26ece86a5f34ec11ce85ac35ab5fcc96271fc38765889093ff52ed11d317ddefd10a98
SSDEEP 6144:ZGMoidXz0d+jF8s7aiA3fqBi3FfLTV+HXh/xF2SxStRoPD:ZGsXZjF37aHP3FfXV+3VqS9D
TLSH
T11B841246FB30DD27CE5E853059399FF92EADDF2E40596B2B17003698ACB2341621F356
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 1 IoCs

pid	Process
5560	f0f153962115ea9c51c8591360d45d483ea4700475a66ec09213eb7832d6410d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
5560	f0f153962115ea9c51c8591360d45d483ea4700475a66ec09213eb7832d6410d.exe
2932	ImagingDevices.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	f0f153962115ea9c51c8591360d45d483ea4700475a66ec09213eb7832d6410d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ImagingDevices.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5560	f0f153962115ea9c51c8591360d45d483ea4700475a66ec09213eb7832d6410d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5560 wrote to memory of 2332	5560	f0f153962115ea9c51c8591360d45d483ea4700475a66ec09213eb7832d6410d.exe	88
PID 5560 wrote to memory of 2932	5560	f0f153962115ea9c51c8591360d45d483ea4700475a66ec09213eb7832d6410d.exe	89
PID 5560 wrote to memory of 2932	5560	f0f153962115ea9c51c8591360d45d483ea4700475a66ec09213eb7832d6410d.exe	89
PID 2932 wrote to memory of 860	2932	ImagingDevices.exe	90

C:\Users\Admin\AppData\Local\Temp\f0f153962115ea9c51c8591360d45d483ea4700475a66ec09213eb7832d6410d.exe
"C:\Users\Admin\AppData\Local\Temp\f0f153962115ea9c51c8591360d45d483ea4700475a66ec09213eb7832d6410d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:5560
- C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe
  "C:\Users\Admin\AppData\Local\Temp\f0f153962115ea9c51c8591360d45d483ea4700475a66ec09213eb7832d6410d.exe"
  2⤵
  PID:2332
- C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe
  "C:\Users\Admin\AppData\Local\Temp\f0f153962115ea9c51c8591360d45d483ea4700475a66ec09213eb7832d6410d.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe
    "C:\Users\Admin\AppData\Local\Temp\f0f153962115ea9c51c8591360d45d483ea4700475a66ec09213eb7832d6410d.exe"
    3⤵
    PID:860

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\nsxE16E.tmp\System.dll
Size 12KB
SHA256 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
MD5 192639861e3dc2dc5c08bb8f8c7260d5
SHA1 58d30e460609e22fa0098bc27d928b689ef9af78
SHA512 6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc
SSDEEP 192:ljHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZqE0QPi:R/Qlt7wiij/lMRv/9V4bfr
TLSH
T1B1427C1297B089F2F551493419667F2A6FBEAC5C13F405A3CFE304C63D212CB9839243
MD5 SHA1 SHA512 SSDEEP TLSH

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bipolarize.ini

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\bipolarize.ini
Size 44B
SHA256 a714071b450e33a87d486df835d223c321981c150c3d1d08e5685f1cbbbbd354
MD5 250bd81daad3a19ebe53416b64d48ffb
SHA1 d8373ea93f276bba53944a5784a4292838e46f64
SHA512 7272884e1f836a683ef61554c58c65443ea5721868232a0cfc4609a317048b6886e9db67f23031bf82b87a610125fa8045cfbd578724e3d9557319081c02099d
MD5 SHA1 SHA512

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memory/2932-19-0x00000000023D0000-0x0000000003B4E000-memory.dmp

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memory/2932-21-0x00000000778FD000-0x00000000778FE000-memory.dmp

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memory/2932-20-0x000000007793F000-0x0000000077940000-memory.dmp

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memory/2932-22-0x00000000779C5000-0x00000000779C6000-memory.dmp

Download

memory/2932-23-0x00000000023D0000-0x0000000003B4E000-memory.dmp

Download

memory/2932-24-0x00000000010E0000-0x00000000023C6000-memory.dmp

Download

memory/2932-25-0x00000000779C5000-0x00000000779C6000-memory.dmp

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memory/5560-17-0x0000000003710000-0x0000000004E8E000-memory.dmp

Download

memory/5560-18-0x0000000074675000-0x0000000074676000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads