Overview

overview

10

Static

static

10

2024-03-31...ab.exe

windows7-x64

10

2024-03-31...ab.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-03-31_5596a69939d3678e292df3380844c409_gandcrab

  • Size

    147KB

  • Sample

    240331-p23hgacc63

  • MD5

    5596a69939d3678e292df3380844c409

  • SHA1

    390f667217c4a3681c9335c05ea0a6d45e47db4e

  • SHA256

    cc650c1080af25e9a1bea86e3d6b41509e62f11084b0fc9e44eb7b59c6e609b9

  • SHA512

    82ffa0ce037a60f3efbb3b6bc570c17a9917f3051a84c99d2801e346ca20dd95f8afbbef495e53eb343289f5567bf3c9e902dffe77c398bed8910f2b80b4b54a

  • SSDEEP

    3072:IBounVyFHFMqqDL2/LgHkc2U6FiPZ8aewZ2ql5f2J9lj:IqxHmqqDL6EHl2U6CbeOl5f2Fj

Score
10/10
gandcrabbackdoorpersistenceransomwareupx

Malware Config

Targets

    • Target

      2024-03-31_5596a69939d3678e292df3380844c409_gandcrab

    • Size

      147KB

    • MD5

      5596a69939d3678e292df3380844c409

    • SHA1

      390f667217c4a3681c9335c05ea0a6d45e47db4e

    • SHA256

      cc650c1080af25e9a1bea86e3d6b41509e62f11084b0fc9e44eb7b59c6e609b9

    • SHA512

      82ffa0ce037a60f3efbb3b6bc570c17a9917f3051a84c99d2801e346ca20dd95f8afbbef495e53eb343289f5567bf3c9e902dffe77c398bed8910f2b80b4b54a

    • SSDEEP

      3072:IBounVyFHFMqqDL2/LgHkc2U6FiPZ8aewZ2ql5f2J9lj:IqxHmqqDL6EHl2U6CbeOl5f2Fj

    Score
    10/10
    gandcrabbackdoorpersistenceransomwareupx

    • 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

    • UPX dump on OEP (original entry point)

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • 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.

    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