Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    26-01-2021 10:19

General

  • Target

    FedEx-Shipment-8161131174.jar

  • Size

    1.1MB

  • MD5

    5bc31ca8a6f1a1198a053d6c4d76ce86

  • SHA1

    705b786bb19612fbddc63bb2cd1d773c7041640f

  • SHA256

    ecf286b6a75ab1e6281afe6db2b68425e5466b4421e5b6b9a3408fd93d530ca0

  • SHA512

    244db437e3f5464ea792dafcca532a4f35711c3f71c2d7e91121a93c12881bc4d94565fa86fc5f2218606d20f0ec2bc7f802f3422a63838d233adc2b374fba4a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pexonteam.rs
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Mdn7dRsJ[7q}

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\system32\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\FedEx-Shipment-8161131174.jar
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Users\Admin\h9j3D3wDZd.exe
      C:\Users\Admin\h9j3D3wDZd.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2000
      • C:\Users\Admin\h9j3D3wDZd.exe
        "C:\Users\Admin\h9j3D3wDZd.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:596
    • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
      "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\Kt97Wov.pdf"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1724

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\Kt97Wov.pdf
    MD5

    524fcfad9aeab4bbebb7eb9c713bb185

    SHA1

    041914a609a61ec9487063a462434de523fe2471

    SHA256

    da13ea60cabf1b692cbfd07cfcafe3a2d1393a745ac817161498dc04db2f9208

    SHA512

    2131c93a19d6d2cefe45070a1eccc0c307060aa0361f935be559defd0069b5da860473ece763a3b83d62974aaa7f0295fb4d1e49405307ae826cb48b6295121b

  • C:\Users\Admin\h9j3D3wDZd.exe
    MD5

    f8ed09d282804f3324e57d2857172f05

    SHA1

    f54652fd486004554766712de7de2906acf8338c

    SHA256

    7ecadea1069a951c13d075afb1fb598fe70115bdeaf348e6dc14bd909869af56

    SHA512

    e7b01dc7f3a79d02a8f3ac3aa17db7b3816d9ba0808231e4da7d3cfc7b782f29c7237e253c3081278c08f393636395e97539ef68ee749db719c0de348ad3fb68

  • C:\Users\Admin\h9j3D3wDZd.exe
    MD5

    f8ed09d282804f3324e57d2857172f05

    SHA1

    f54652fd486004554766712de7de2906acf8338c

    SHA256

    7ecadea1069a951c13d075afb1fb598fe70115bdeaf348e6dc14bd909869af56

    SHA512

    e7b01dc7f3a79d02a8f3ac3aa17db7b3816d9ba0808231e4da7d3cfc7b782f29c7237e253c3081278c08f393636395e97539ef68ee749db719c0de348ad3fb68

  • C:\Users\Admin\h9j3D3wDZd.exe
    MD5

    f8ed09d282804f3324e57d2857172f05

    SHA1

    f54652fd486004554766712de7de2906acf8338c

    SHA256

    7ecadea1069a951c13d075afb1fb598fe70115bdeaf348e6dc14bd909869af56

    SHA512

    e7b01dc7f3a79d02a8f3ac3aa17db7b3816d9ba0808231e4da7d3cfc7b782f29c7237e253c3081278c08f393636395e97539ef68ee749db719c0de348ad3fb68

  • memory/596-16-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/596-20-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/596-22-0x0000000004B00000-0x0000000004B01000-memory.dmp
    Filesize

    4KB

  • memory/596-19-0x0000000073440000-0x0000000073B2E000-memory.dmp
    Filesize

    6.9MB

  • memory/596-17-0x000000000043764E-mapping.dmp
  • memory/1652-2-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp
    Filesize

    8KB

  • memory/1652-3-0x0000000002110000-0x0000000002380000-memory.dmp
    Filesize

    2.4MB

  • memory/1724-8-0x0000000000000000-mapping.dmp
  • memory/1724-9-0x0000000075571000-0x0000000075573000-memory.dmp
    Filesize

    8KB

  • memory/2000-10-0x0000000010570000-0x0000000010571000-memory.dmp
    Filesize

    4KB

  • memory/2000-15-0x00000000049C0000-0x0000000004A2B000-memory.dmp
    Filesize

    428KB

  • memory/2000-14-0x00000000001D0000-0x00000000001D3000-memory.dmp
    Filesize

    12KB

  • memory/2000-13-0x00000000072C0000-0x00000000072C1000-memory.dmp
    Filesize

    4KB

  • memory/2000-7-0x0000000073440000-0x0000000073B2E000-memory.dmp
    Filesize

    6.9MB

  • memory/2000-4-0x0000000000000000-mapping.dmp