Overview

overview

10

Static

static

3

fb7a9c1ef9...70.exe

windows7-x64

10

fb7a9c1ef9...70.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fb7a9c1ef9b0b7e8316eae65c17bca170cf249709cb8d8855fd22a0b73281970

  • Size

    2.5MB

  • Sample

    240330-c9y4ssgc23

  • MD5

    aca74bc20ebfb298fc29f0a61de4a73f

  • SHA1

    cef70208c5c687a90bc043c7ce1947d6bac03ee9

  • SHA256

    fb7a9c1ef9b0b7e8316eae65c17bca170cf249709cb8d8855fd22a0b73281970

  • SHA512

    4241c4c9a6540e1a414783be1a9a2d3a602e4f161a761155232b5f5e265fcfb26cee8c3718a7d1589ed3581b7cfbc6e5a4116bc0ef237d875beee55cafe59b84

  • SSDEEP

    49152:dKjMkd5MbJTarRi28O9iCgXTG3j9criID8sBKRqW5RSv6T5WaHtbJaew:fo5MbxaruO0CgUj98iI8mBWjSSTcstbq

Score
10/10
gandcrabbackdoorpersistenceransomware

Malware Config

Targets

    • Target

      fb7a9c1ef9b0b7e8316eae65c17bca170cf249709cb8d8855fd22a0b73281970

    • Size

      2.5MB

    • MD5

      aca74bc20ebfb298fc29f0a61de4a73f

    • SHA1

      cef70208c5c687a90bc043c7ce1947d6bac03ee9

    • SHA256

      fb7a9c1ef9b0b7e8316eae65c17bca170cf249709cb8d8855fd22a0b73281970

    • SHA512

      4241c4c9a6540e1a414783be1a9a2d3a602e4f161a761155232b5f5e265fcfb26cee8c3718a7d1589ed3581b7cfbc6e5a4116bc0ef237d875beee55cafe59b84

    • SSDEEP

      49152:dKjMkd5MbJTarRi28O9iCgXTG3j9criID8sBKRqW5RSv6T5WaHtbJaew:fo5MbxaruO0CgUj98iI8mBWjSSTcstbq

    Score
    10/10
    gandcrabbackdoorpersistenceransomware

    • GandCrab payload

    • Gandcrab

      Gandcrab is a Trojan horse that encrypts files on a computer.

      ransomwarebackdoorgandcrab

    • Detects Reflective DLL injection artifacts

    • Detects ransomware indicator

    • Gandcrab Payload

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks