gandcrab | fe36259d3cb90afe49b27f45530759bf4ad5b4437b9f40818a6e854d6a82dfc7 | Triage

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Overview

overview

Static

static

3

NEAS.2023-...JC.exe

windows7-x64

NEAS.2023-...JC.exe

windows10-2004-x64

Sharing

General

Target

NEAS.2023-09-07_41550f5341344eb93370e3116e09da85_mafia_JC.exe
Size

250KB
Sample

231031-25qz3afd21
MD5

41550f5341344eb93370e3116e09da85
SHA1

b86a704a77d5ed2278bb737a1a975ecbc5801895
SHA256

fe36259d3cb90afe49b27f45530759bf4ad5b4437b9f40818a6e854d6a82dfc7
SHA512

32ca548ebaa457389a1418ce9818d6007a23b5249c7cf8e41ab823d23daf370d93ad8b813074380b85f1773966706db6d8f22bb0999b93b3369780988c226aac
SSDEEP

3072:r/yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOd3:r/y20Gj0r+EBFrkvlU3RvIUDOIN

Score

10^/10

gandcrab backdoor persistence ransomware

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

NEAS.2023-09-07_41550f5341344eb93370e3116e09da85_mafia_JC.exe

Resource

win7-20231023-en

gandcrab backdoor persistence ransomware

windows7-x64

8 signatures

150 seconds

Behavioral task

behavioral2

Sample

NEAS.2023-09-07_41550f5341344eb93370e3116e09da85_mafia_JC.exe

Resource

win10v2004-20231020-en

gandcrab backdoor ransomware

windows10-2004-x64

3 signatures

150 seconds

Malware Config

Targets

- Target
  
  NEAS.2023-09-07_41550f5341344eb93370e3116e09da85_mafia_JC.exe
- Size
  
  250KB
- MD5
  
  41550f5341344eb93370e3116e09da85
- SHA1
  
  b86a704a77d5ed2278bb737a1a975ecbc5801895
- SHA256
  
  fe36259d3cb90afe49b27f45530759bf4ad5b4437b9f40818a6e854d6a82dfc7
- SHA512
  
  32ca548ebaa457389a1418ce9818d6007a23b5249c7cf8e41ab823d23daf370d93ad8b813074380b85f1773966706db6d8f22bb0999b93b3369780988c226aac
- SSDEEP
  
  3072:r/yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOd3:r/y20Gj0r+EBFrkvlU3RvIUDOIN
Score

10^/10

gandcrab backdoor persistence ransomware
- GandCrab payload
- Gandcrab
  Gandcrab is a Trojan horse that encrypts files on a computer.
  ransomware backdoor gandcrab
- Unexpected DNS network traffic destination
  Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Adds Run key to start application
  persistence
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

gandcrabbackdoorpersistenceransomware

behavioral2

gandcrabbackdoorransomware

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