guloader | d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
05-07-2024 03:07

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General

Target

d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143.exe
Size

95KB
MD5

862e44eacdd56c24aa604045e91af3f6
SHA1

da539efe3591ffc8c97280b602919232f626624a
SHA256

d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143
SHA512

a7ca96556d30fb9aebbba635fd075bb1687335073334abe140075dde00ebdbd6c3e07f1ed719641dfa7e2780a3c252b7af60fa0576a6e94934a511543b773699
SSDEEP

768:IS8IpHdEtdm364D191lqnAfXz7tzykuKGqv3Msq/rz:vpMY37D191JfD7t+kuKGqUJz

Score

10^/10

guloader downloader

Malware Config

Extracted

Family

guloader

https://drive.google.com/uc?export=download&id=1YBoLSiQywpFWRLmg4jO1ZmxoLr9XCFgI

xor.base64

Signatures

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Checks QEMU agent state file 2 TTPs 1 IoCs
Checks state file used by QEMU agent, possibly to detect virtualization.

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143.exe

description ioc process

File opened (read-only) C:\ProgramData\qemu-ga\qga.state d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143.exe

pid process

2300 d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143.exe

pid process

2300 d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143.exe

description	ioc	process
File opened (read-only)	C:\ProgramData\qemu-ga\qga.state	d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143.exe

pid	process
2300	d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143.exe

pid	process
2300	d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143.exe

C:\Users\Admin\AppData\Local\Temp\d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143.exe
"C:\Users\Admin\AppData\Local\Temp\d07eb1cca55b5195006a27d2404c3a7c946eddd5a696d1927e37127083abb143.exe"
1⤵
- Checks QEMU agent state file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:2300

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2300-2-0x0000000000270000-0x000000000027D000-memory.dmp

Filesize
52KB

Download
memory/2300-3-0x00000000770B1000-0x00000000771B2000-memory.dmp

Filesize
1.0MB

Download
memory/2300-4-0x00000000770B0000-0x0000000077259000-memory.dmp

Filesize
1.7MB

Download
memory/2300-5-0x0000000000270000-0x000000000027D000-memory.dmp

Filesize
52KB

Download