guloader | e8fa313be5033c2e4b6cb7ffe510ae18f4a17deee86855328ba755cb94e94c5d | Triage

Analysis

max time kernel
160s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 01:03

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General

Target

3f935d4f80986f4a2e75d370074bb343.exe
Size

88KB
MD5

3f935d4f80986f4a2e75d370074bb343
SHA1

fb4e8e0d0c12c6018e85ddf0fedff3d267dd5c3f
SHA256

e8fa313be5033c2e4b6cb7ffe510ae18f4a17deee86855328ba755cb94e94c5d
SHA512

f105c68ec150af1f09004e7f28e73f03d8b316be60d8b85ac3f06f95eabf207289b829084d4dc6aca09031e58f30820564b443961dfeb72941cb3986ff741736
SSDEEP

1536:JKrx/Da4DQHKOMpMAmF5+5Nd547x2W9MofCAuoxg:8x2K7CbFYyF3Morxg

Score

10^/10

guloader downloader guloader

Malware Config

Extracted

Family

guloader

C2

https://onedrive.live.com/download?cid=3D865336B7ED4B09&resid=3D865336B7ED4B09%21140&authkey=ACpcD-Ljz5acXEQ

xor.base64

Signatures

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

Guloader payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2060-2-0x0000000000750000-0x0000000000759000-memory.dmp	family_guloader

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

3f935d4f80986f4a2e75d370074bb343.exe

pid process

2060 3f935d4f80986f4a2e75d370074bb343.exe

C:\Users\Admin\AppData\Local\Temp\3f935d4f80986f4a2e75d370074bb343.exe
"C:\Users\Admin\AppData\Local\Temp\3f935d4f80986f4a2e75d370074bb343.exe"
1⤵
- Suspicious use of SetWindowsHookEx
PID:2060

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2060-2-0x0000000000750000-0x0000000000759000-memory.dmp

Filesize
36KB

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