guloader | fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66

Analysis

max time kernel
150s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-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
2632	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2632	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe
5484	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\Egenkapitalerne210\ankerkden.ini	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe
File opened for modification	C:\Windows\Fonts\disfurnished.jpg	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
2632	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 3728	2632	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe	89
PID 2632 wrote to memory of 5484	2632	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe	90
PID 2632 wrote to memory of 5484	2632	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe	90
PID 5484 wrote to memory of 3092	5484	fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe	91

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:2632
- C:\Users\Admin\AppData\Local\Temp\fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe
  "C:\Users\Admin\AppData\Local\Temp\fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe"
  2⤵
  PID:3728
- 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:5484
- - C:\Users\Admin\AppData\Local\Temp\fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe
    "C:\Users\Admin\AppData\Local\Temp\fa47f8ed6df07f9af55e237559196b7808d5f1babaf3b86201f7ba1eae674b66.exe"
    3⤵
    PID:3092

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\nsv2998.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 8d1b8a5d34ff7e2a0858fd12f7960b76fc7c7a255833a901d26d82d820713bc8
MD5 356431c0fa8164d2ecb83ba7bfa5b793
SHA1 11f308a1bbe02e516987be2791e33bf8af8da7e8
SHA512 1093aae7bbb1e535b675f08d9a309221ada425fc447a0ae882689fc3d4c78c7a90e255962c6bf3b46cfbc92415568a071bc0c3e71c33c18a9f8ec241109b35d9
TLSH
T1BB01F0289BE52B24E7F68B3254BB6711C93A7C57FEA10F1C004552C418F6761EEA4E2F
MD5 SHA1 SHA512 TLSH

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memory/2632-33-0x0000000005240000-0x00000000063D2000-memory.dmp

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memory/2632-34-0x0000000073C05000-0x0000000073C06000-memory.dmp

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memory/5484-35-0x0000000001780000-0x0000000002912000-memory.dmp

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memory/5484-37-0x0000000076F3D000-0x0000000076F3E000-memory.dmp

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memory/5484-36-0x0000000076F7F000-0x0000000076F80000-memory.dmp

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memory/5484-38-0x0000000077005000-0x0000000077006000-memory.dmp

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memory/5484-39-0x0000000001780000-0x0000000002912000-memory.dmp

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memory/5484-40-0x0000000000490000-0x0000000001776000-memory.dmp

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memory/5484-41-0x0000000077005000-0x0000000077006000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads