guloader | 5e7792550edc1085dfffcf3dad7dbc31e164c7149abdce5bbaae0715106a2e1c | Triage

Sharing

General

Target

5e7792550edc1085dfffcf3dad7dbc31e164c7149abdce5bbaae0715106a2e1c
Size

80KB
Sample

220201-gy5veshhdn
MD5

6245a28f7c93c175879998bf0312809d
SHA1

aa00c75bcb92bb3286e6e8b10c4d40135db3a2a6
SHA256

5e7792550edc1085dfffcf3dad7dbc31e164c7149abdce5bbaae0715106a2e1c
SHA512

0f1eaad3b05a43cc43272d96847882c3eddae3b953b10f875bd67d550b78cbc6eb6cc89e7f000f0b9ec88c78b13e30fc79b1f6645b2bc23d28e8f8084bb589d4

Score

10^/10

guloader downloader guloader persistence

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1Q0Ltq2Kw5sxwS2JWRYNfsyrv58mrj4ks

xor.base64

Targets

- Target
  
  5e7792550edc1085dfffcf3dad7dbc31e164c7149abdce5bbaae0715106a2e1c
- Size
  
  80KB
- MD5
  
  6245a28f7c93c175879998bf0312809d
- SHA1
  
  aa00c75bcb92bb3286e6e8b10c4d40135db3a2a6
- SHA256
  
  5e7792550edc1085dfffcf3dad7dbc31e164c7149abdce5bbaae0715106a2e1c
- SHA512
  
  0f1eaad3b05a43cc43272d96847882c3eddae3b953b10f875bd67d550b78cbc6eb6cc89e7f000f0b9ec88c78b13e30fc79b1f6645b2bc23d28e8f8084bb589d4
Score

10^/10

guloader downloader guloader persistence
- Guloader,Cloudeye
  A shellcode based downloader first seen in 2020.
  downloader guloader
- Guloader Payload
  guloader
- Adds Run key to start application
  persistence
- Legitimate hosting services abused for malware hosting/C2
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

Impact

Tasks

static1

behavioral1

guloaderdownloaderguloaderpersistence

behavioral2