guloader | 5fb2f7c9db4b8231f1afa1cee755f1bb9ba79f3ae6f059601045f7ec5cd7efda

Analysis

max time kernel
88s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
16-01-2023 22:54

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General

Target

5fb2f7c9db4b8231f1afa1cee755f1bb9ba79f3ae6f059601045f7ec5cd7efda.exe
Size

397KB
MD5

c5b07e99cb54792bd3ca1e3c7c4690d6
SHA1

d0958f86bb03011d4336cc311d19e8fef2471f0f
SHA256

5fb2f7c9db4b8231f1afa1cee755f1bb9ba79f3ae6f059601045f7ec5cd7efda
SHA512

0f6d9f3826b5b44def15620f8bc8bb0a1f47fcb3bbd8e2d266d6d6020e59db099695f77c1deb5a405d0ce3c0b3e9dc35a308a50a0734923a72350c89b63ecf0b
SSDEEP

12288:qTRFev0VcC2JU792CfQ7VUw4yqkzp6sXKMD:qTRo8cXY2q29XqIUsXx

Score

10^/10

guloader discovery downloader

Malware Config

Signatures

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Loads dropped DLL 1 IoCs

Processes:

5fb2f7c9db4b8231f1afa1cee755f1bb9ba79f3ae6f059601045f7ec5cd7efda.exe

pid process

2136 5fb2f7c9db4b8231f1afa1cee755f1bb9ba79f3ae6f059601045f7ec5cd7efda.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
2136	5fb2f7c9db4b8231f1afa1cee755f1bb9ba79f3ae6f059601045f7ec5cd7efda.exe

C:\Users\Admin\AppData\Local\Temp\5fb2f7c9db4b8231f1afa1cee755f1bb9ba79f3ae6f059601045f7ec5cd7efda.exe
"C:\Users\Admin\AppData\Local\Temp\5fb2f7c9db4b8231f1afa1cee755f1bb9ba79f3ae6f059601045f7ec5cd7efda.exe"
1⤵
- Loads dropped DLL
PID:2136

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsnB54C.tmp\System.dll
Filesize
12KB

MD5
564bb0373067e1785cba7e4c24aab4bf

SHA1
7c9416a01d821b10b2eef97b80899d24014d6fc1

SHA256
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5

SHA512
22c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472

Download Submit
memory/2136-133-0x00000000041E0000-0x00000000042E1000-memory.dmp

Filesize
1.0MB

Download
memory/2136-134-0x00000000041E0000-0x00000000042E1000-memory.dmp

Filesize
1.0MB

Download