Analysis

  • max time kernel
    124s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    25-01-2021 14:36

General

  • Target

    r9SWnqQlK8PFPEp.exe

  • Size

    927KB

  • MD5

    ab19c9b71f6af37fd29fa44377fada56

  • SHA1

    b91f5469e965d3cf9ef860ac39248ebdd1c16c3c

  • SHA256

    817f8cd46ad17c8f466e99582e24cc335ff5be48d6f8fbc6d41dc466be8fbb35

  • SHA512

    4d1ba2b85f159d0af88133f73be8af958432f91f5abd008b6979fe782e4e07c806509da2e7f2d0905ca52a46da8075e5ef795df0aca20cffbc418b96c3d81572

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cefortem.cat
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Vft284Rpyn

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\r9SWnqQlK8PFPEp.exe
    "C:\Users\Admin\AppData\Local\Temp\r9SWnqQlK8PFPEp.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4656
    • C:\Users\Admin\AppData\Local\Temp\r9SWnqQlK8PFPEp.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3936

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\r9SWnqQlK8PFPEp.exe.log

    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/3936-12-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3936-22-0x0000000005B50000-0x0000000005B51000-memory.dmp

    Filesize

    4KB

  • memory/3936-21-0x0000000004F30000-0x0000000004F31000-memory.dmp

    Filesize

    4KB

  • memory/3936-20-0x0000000004F50000-0x0000000004F51000-memory.dmp

    Filesize

    4KB

  • memory/3936-15-0x0000000073E30000-0x000000007451E000-memory.dmp

    Filesize

    6.9MB

  • memory/3936-13-0x00000000004374DE-mapping.dmp

  • memory/4656-7-0x00000000051F0000-0x00000000051F1000-memory.dmp

    Filesize

    4KB

  • memory/4656-11-0x0000000006050000-0x00000000060DD000-memory.dmp

    Filesize

    564KB

  • memory/4656-10-0x0000000005210000-0x0000000005211000-memory.dmp

    Filesize

    4KB

  • memory/4656-9-0x0000000005510000-0x0000000005511000-memory.dmp

    Filesize

    4KB

  • memory/4656-8-0x0000000005390000-0x000000000539E000-memory.dmp

    Filesize

    56KB

  • memory/4656-2-0x0000000073E30000-0x000000007451E000-memory.dmp

    Filesize

    6.9MB

  • memory/4656-6-0x0000000005230000-0x0000000005231000-memory.dmp

    Filesize

    4KB

  • memory/4656-5-0x0000000005690000-0x0000000005691000-memory.dmp

    Filesize

    4KB

  • memory/4656-3-0x00000000008D0000-0x00000000008D1000-memory.dmp

    Filesize

    4KB