Analysis

  • max time kernel
    150s
  • max time network
    9s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    21-01-2021 08:45

General

  • Target

    SWIFT.pdf.exe

  • Size

    977KB

  • MD5

    e1c2dfde03ce13e517b7b25f4ef39fce

  • SHA1

    e9f8582198850b676104c11aab2721b6807f1956

  • SHA256

    a14532851a6cf9501f2a4f5b0ecc61d4ef8e10d220a401b220cd06ae8f83aeee

  • SHA512

    7b98671c5449b1d2eacabe17aedc1420d4451d387c0ee86fbdb3e54ee8213227628130711196b93ac17a985fa5007242b41957112a5cff5025eac82a9541cbdb

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    delovnaposta.telekom.mk
  • Port:
    587
  • Username:
    b.stojanov@opstinagpetrov.gov.mk
  • Password:
    bosko

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SWIFT.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\SWIFT.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\SWIFT.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\SWIFT.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      PID:1908

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1908-8-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1908-9-0x000000000043765E-mapping.dmp
  • memory/1908-10-0x0000000074EE0000-0x00000000755CE000-memory.dmp
    Filesize

    6.9MB

  • memory/1908-11-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1908-13-0x0000000004760000-0x0000000004761000-memory.dmp
    Filesize

    4KB

  • memory/1908-14-0x0000000004761000-0x0000000004762000-memory.dmp
    Filesize

    4KB

  • memory/2028-2-0x0000000074EE0000-0x00000000755CE000-memory.dmp
    Filesize

    6.9MB

  • memory/2028-3-0x00000000011B0000-0x00000000011B1000-memory.dmp
    Filesize

    4KB

  • memory/2028-5-0x0000000000520000-0x0000000000543000-memory.dmp
    Filesize

    140KB

  • memory/2028-6-0x0000000000C30000-0x0000000000C31000-memory.dmp
    Filesize

    4KB

  • memory/2028-7-0x00000000075A0000-0x0000000007619000-memory.dmp
    Filesize

    484KB