guloader | 383718eeccce24cc6f40e40d479ec205a52a36f3d62c2ed5cec423ae41e9f354

Analysis

max time kernel
134s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04/01/2024, 14:52

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General

Target

4126a4ad4a20756043a562502f447197.exe
Size

4.8MB
MD5

4126a4ad4a20756043a562502f447197
SHA1

df0ab91825a8d00842209acc3929bc9010d892da
SHA256

383718eeccce24cc6f40e40d479ec205a52a36f3d62c2ed5cec423ae41e9f354
SHA512

cd28a5a6a47e9d8362089441a9fda205709c130e1fe2b4fcdbf13b3e4bff4a74ea58a183f95c98bff741b1c4d54b55078385344b0ebb1682b6fa911dd59dac60
SSDEEP

12288:tkEDf3HbHCAtiEHmQTHv/2wTnmYbZZH+HHQz7CerHniGf7iknbCA:tkELLVtinQL/2HkZQwTLniGj

Score

10^/10

guloader downloader

Malware Config

Signatures

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

Checks QEMU agent file 2 TTPs 1 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	4126a4ad4a20756043a562502f447197.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2172	4126a4ad4a20756043a562502f447197.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2172	4126a4ad4a20756043a562502f447197.exe

C:\Users\Admin\AppData\Local\Temp\4126a4ad4a20756043a562502f447197.exe
"C:\Users\Admin\AppData\Local\Temp\4126a4ad4a20756043a562502f447197.exe"
1⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:2172
- C:\Program Files (x86)\internet explorer\ieinstal.exe
  "C:\Users\Admin\AppData\Local\Temp\4126a4ad4a20756043a562502f447197.exe"
  2⤵
  PID:1932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1932-6-0x0000000000200000-0x0000000000300000-memory.dmp

Filesize
1024KB

Download
memory/2172-2-0x0000000000250000-0x0000000000260000-memory.dmp

Filesize
64KB

Download
memory/2172-4-0x0000000077E40000-0x0000000077F16000-memory.dmp

Filesize
856KB

Download
memory/2172-3-0x0000000077C50000-0x0000000077DF9000-memory.dmp

Filesize
1.7MB

Download
memory/2172-5-0x0000000077E40000-0x0000000077F16000-memory.dmp

Filesize
856KB

Download