guloader | fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
01/08/2026, 13:12

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General

Target
fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe
Size 392KB
Sample260801-qfgvbabb32
SHA256 fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66
MD5 31662b7222b0bbc254dd2d7e2f1a8195
SHA1 b5ea4e2bf70e61839cf5cce6201d972ebe4cebd2
SHA512 8339c23eb2396d1ab4714c6ebf5f3af3e2c99105b3d6567a4d9975c6f239016c7784f6e3987fcb8f750b2c9b57e8e4d2fadba9bab0199e6dd0e2c9b15d3b8b8e
SSDEEP 6144:kfY+onfHhDRt/tGcFoPf6lnwbj0aukGyr7v+QqqnACmNz1PEQR8dqwiw:kfYbHh1RToPfqwboaZj7/LmNqh
TLSH
T12B842302F290C616D4666736083817BB1B5E3FDE50996B9F47C49D2EBEA1243E80FF94
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
564	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
564	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe
3864	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Tilfredshedens\Haandvrksmssig241.ini	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Fonts\disfurnished.jpg	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe
File opened for modification	C:\Windows\Egenkapitalerne210\ankerkden.ini	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.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	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
564	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 564 wrote to memory of 4940	564	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe	86
PID 564 wrote to memory of 3864	564	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe	87
PID 564 wrote to memory of 3864	564	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe	87
PID 3864 wrote to memory of 1760	3864	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe	88

C:\Users\Admin\AppData\Local\Temp\fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe
"C:\Users\Admin\AppData\Local\Temp\fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:564
- C:\Users\Admin\AppData\Local\Temp\fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe
  "C:\Users\Admin\AppData\Local\Temp\fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe"
  2⤵
  PID:4940
- C:\Users\Admin\AppData\Local\Temp\fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe
  "C:\Users\Admin\AppData\Local\Temp\fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3864
- - C:\Users\Admin\AppData\Local\Temp\fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe
    "C:\Users\Admin\AppData\Local\Temp\fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe"
    3⤵
    PID:1760

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\nse319.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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Sprhager.lnk

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Printer Shortcuts\Sprhager.lnk
Size 822B
SHA256 acf0f27f708af74c7fc4a6107092d19b248a7a0f8b004df7d23455bcef463996
MD5 21ed18af3db6431530597ab9c793e665
SHA1 1e4bd37037c0b3b9549b81433490429e97621746
SHA512 7d1f5d2a3194bffe60a0bdad44e966408507e617b403374642ae762af9571d7f9e3f939cd644874fcc3867bc1cc1edadc59f454760913c05936c131dbda8d3eb
TLSH
T1490146185BE02B38E7F68B3254B66701C93A3C42FEA10F0C004142C015F6722F9B4E2B
MD5 SHA1 SHA512 TLSH

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afguderis.ini

Path C:\Users\Admin\AppData\Roaming\afguderis.ini
Size 41B
SHA256 25d1519ce061d78b9a749ffe8a1f88e6b16993f06020a3ce441e199172ade9be
MD5 6ae8e20365be70290a0f5e7aabd25154
SHA1 88ff2f97d6e1fe2cdd1178745f7a9880fbf5ddd7
SHA512 ca8490f288ce18a33fb00578c8cba89acb64de434bf76a7cc76194cd365572eb7cacc1e5f0cbd1042f3920e97ceff6a6525601945bd0616c7bacc477495e626e
MD5 SHA1 SHA512

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memory/564-29-0x0000000004360000-0x00000000054F2000-memory.dmp

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memory/564-30-0x0000000074AA5000-0x0000000074AA6000-memory.dmp

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memory/564-31-0x0000000004360000-0x00000000054F2000-memory.dmp

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memory/3864-32-0x0000000077E48000-0x0000000077E49000-memory.dmp

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memory/3864-34-0x0000000077E65000-0x0000000077E66000-memory.dmp

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memory/3864-33-0x0000000077EE9000-0x0000000077EEA000-memory.dmp

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memory/3864-35-0x00000000016F0000-0x0000000002882000-memory.dmp

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memory/3864-36-0x0000000000490000-0x00000000016E4000-memory.dmp

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memory/3864-37-0x0000000077EE9000-0x0000000077EEA000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads