guloader | 66f77b6ae2f664a173391e4fd15b04e18f992016a56b2d0fdbd27e8003ef72d1

Analysis

max time kernel
145s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
04/08/2023, 18:11

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General

Target
Karine Petakchyan_cn23_9472851349.exe
Size 965KB
Sample230804-wsnfhsde87
SHA256 0833d3623ff0b7912e1cf1379ffb1f838077f6e0dc9fc93f1260117bc24c02bd
MD5 e043c8898a75aad615ff0fef09107687
SHA1 a68f791d83fadcb3f260266217ec7fc4890e0759
SHA512 022f2c284403cce301c2bbe6271dda8b24b464a35cb3932a2170b564c0bf35f3af00f999200902abe73d186bd0e459139310334b1bcd2ee2309816b0d645b61c
SSDEEP 24576:Ks/55wUAf/66ZONqEmDhsVdPCC7OQ4oYvzWcG:Ksj4/zYNqvDiCC7F43G
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

guloader downloader

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
4004	Karine Petakchyan_cn23_9472851349.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\Karine Petakchyan_cn23_9472851349.exe
"C:\Users\Admin\AppData\Local\Temp\Karine Petakchyan_cn23_9472851349.exe"
1⤵
- Loads dropped DLL
PID:4004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsd8167.tmp\System.dll
Size 12KB
SHA256 6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba
MD5 8cf2ac271d7679b1d68eefc1ae0c5618
SHA1 7cc1caaa747ee16dc894a600a4256f64fa65a9b8
SHA512 ce828fb9ecd7655cc4c974f78f209d3326ba71ced60171a45a437fc3fff3bd0d69a0997adaca29265c7b5419bdea2b17f8cc8ceae1b8ce6b22b7ed9120bb5ad3
SSDEEP 192:BenY0qWTlt70IAj/lQ0sEWc/wtYbBH2aDybC7y+XB9IwL:B8+Qlt70Fj/lQRY/9VjjlL
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/4004-141-0x0000000004260000-0x0000000005581000-memory.dmp

Download

memory/4004-142-0x0000000004260000-0x0000000005581000-memory.dmp