Overview

overview

10

Static

static

10

FedexTrack...DF.exe

windows7_x64

10

FedexTrack...DF.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    a97e5481d76b90e271c62a1c62f1faa83ef2327cd639c4adfaef61f9661a9fef

  • Size

    2.2MB

  • Sample

    220521-pgzwvafce8

  • MD5

    75cab38b4c8967e05e7efc0788e15788

  • SHA1

    c3cf868a541172199c8ad5c919a01a7ec3c3d220

  • SHA256

    a97e5481d76b90e271c62a1c62f1faa83ef2327cd639c4adfaef61f9661a9fef

  • SHA512

    32140e41b658ae79a09683981df2bc0473a3d5f146c3aa57522ce934548ed7583e8ce23f1b43fb5c25026726cfbcb7d3fb66b2706186e115d7f1d43151d8c461

Score
10/10
asyncratgrace overflowpersistencerat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

GRACE OVERFLOW

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/Q3bqVVf9

aes.plain

Targets

    • Target

      FedexTrackingClearanceInformation_PDF.exe

    • Size

      2.1MB

    • MD5

      49ed9fd1bfe4e4d685f014084d3b11b4

    • SHA1

      ad9aa4dedddcd8de2d2fab04344d8f26c165537d

    • SHA256

      f3de338bdde024a21dc1e987f41930a1b8ff9799adbab67f2345e8e648e81663

    • SHA512

      b3ec6eae21e84345c98162c79cdd5527b14524855e1d0b8f95e599ab49f47c51aca34965446d4b6a8c93217739a7bf7fa7de19e077ad117747ab29d030bf0466

    Score
    10/10
    asyncratgrace overflowpersistencerat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Async RAT payload

      rat

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

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

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks