Overview

overview

10

Static

static

3

fa81aab0bc...18.exe

windows7-x64

10

fa81aab0bc...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fa81aab0bc348b79744852e65e2043df_JaffaCakes118

  • Size

    1.1MB

  • Sample

    240419-rvzt4seg29

  • MD5

    fa81aab0bc348b79744852e65e2043df

  • SHA1

    fa65b1b8b689a41822d84a588d17226ca233564c

  • SHA256

    1137a722df5bf7b96cdbf121282b328f429b895aa60f8a0caf120177303e1299

  • SHA512

    b01fd9cf2ae7964d4bead4197cf3bf8a77900ff7d2ce6fe9397a81e4a3988a88e9cc07fe121c696cc855a61944aac5e3b10289579307fd51006e324b2737b374

  • SSDEEP

    24576:NdeAPk5uFFgUBEGobZE1yeIeZPoVWwO2ha1:XeekuFFHEGobq1RJZPoVWdv

Score
10/10
asyncratdefaultevasionrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

51.143.89.185:8080

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    2e31a76-d46e-4625-bee5-4fb923fc49f5.exe

  • install_folder

    %Temp%

aes.plain

Targets

    • Target

      fa81aab0bc348b79744852e65e2043df_JaffaCakes118

    • Size

      1.1MB

    • MD5

      fa81aab0bc348b79744852e65e2043df

    • SHA1

      fa65b1b8b689a41822d84a588d17226ca233564c

    • SHA256

      1137a722df5bf7b96cdbf121282b328f429b895aa60f8a0caf120177303e1299

    • SHA512

      b01fd9cf2ae7964d4bead4197cf3bf8a77900ff7d2ce6fe9397a81e4a3988a88e9cc07fe121c696cc855a61944aac5e3b10289579307fd51006e324b2737b374

    • SSDEEP

      24576:NdeAPk5uFFgUBEGobZE1yeIeZPoVWwO2ha1:XeekuFFHEGobq1RJZPoVWdv

    Score
    10/10
    asyncratdefaultevasionrat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Async RAT payload

      rat

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks