Overview

overview

10

Static

static

06cac3d1c9...af.exe

windows7_x64

10

06cac3d1c9...af.exe

windows10_x64

10

Analysis

  • max time kernel
    116s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    18-05-2021 12:13

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General

  • Target

    06cac3d1c984a6775a0be6af8e2f228ec5f1ae2396df7af4edf12e5c2b6879af.exe

  • Size

    177KB

  • MD5

    1e13acbb50134a4a9e58b07eeff7ab90

  • SHA1

    87f0724ec1a2941ec8af8561c978641dad829abd

  • SHA256

    06cac3d1c984a6775a0be6af8e2f228ec5f1ae2396df7af4edf12e5c2b6879af

  • SHA512

    63f72e38f5591345916660b7543c4d9247c54a99c0e1eba0e62883bfd9410db9ccd28e03d92d8e15050a466467b76b38aef06cd0ae775a27a4edcc2e8a2c6aaa

Score
10/10
gandcrabbackdoorpersistenceransomware

Malware Config

Signatures

  • GandCrab Payload 1 IoCs
  • Gandcrab

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

    ransomwarebackdoorgandcrab
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookAW 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06cac3d1c984a6775a0be6af8e2f228ec5f1ae2396df7af4edf12e5c2b6879af.exe
    "C:\Users\Admin\AppData\Local\Temp\06cac3d1c984a6775a0be6af8e2f228ec5f1ae2396df7af4edf12e5c2b6879af.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookAW
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 768
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1516

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

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

Replay Monitor

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Downloads

  • memory/1516-62-0x0000000000000000-mapping.dmp
    Download
  • memory/1516-63-0x0000000001CD0000-0x0000000001CD1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2020-59-0x0000000076281000-0x0000000076283000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2020-60-0x0000000000400000-0x000000000059A000-memory.dmp
    Filesize

    1.6MB

    Download
  • memory/2020-61-0x00000000020D0000-0x00000000020E7000-memory.dmp
    Filesize

    92KB

    Download