Analysis

  • max time kernel
    151s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    20-01-2021 11:09

General

  • Target

    SecuriteInfo.com.Trojan.Packed2.42809.32039.5071.exe

  • Size

    941KB

  • MD5

    97faa09b0517cd09dc1ce63d8779d2ec

  • SHA1

    63525d088b820ef9dc408690b8f182e4cb3ab3bf

  • SHA256

    32c6950ed81cc73aa202e7ef3f8a99879ecf973689b433c765f4d2789872e5ef

  • SHA512

    3c70690fec6c8babc57b25169d511ce12081c12eaed958a24f3eb36429bb2fd0517b5fbd04b0af957df2580af3011cbf6311536c8d1f2112f1f39339bcf8eb9b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.epazote-lu.com
  • Port:
    587
  • Username:
    103project@epazote-lu.com
  • Password:
    XmLh^$E3

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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.32039.5071.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.32039.5071.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.32039.5071.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.42809.32039.5071.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:380

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/380-8-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/380-9-0x000000000043751E-mapping.dmp
  • memory/380-10-0x0000000074000000-0x00000000746EE000-memory.dmp
    Filesize

    6.9MB

  • memory/380-11-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/380-13-0x0000000004AA0000-0x0000000004AA1000-memory.dmp
    Filesize

    4KB

  • memory/380-14-0x0000000004AA1000-0x0000000004AA2000-memory.dmp
    Filesize

    4KB

  • memory/1884-2-0x0000000074000000-0x00000000746EE000-memory.dmp
    Filesize

    6.9MB

  • memory/1884-3-0x0000000001250000-0x0000000001251000-memory.dmp
    Filesize

    4KB

  • memory/1884-5-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
    Filesize

    4KB

  • memory/1884-6-0x00000000003C0000-0x00000000003E3000-memory.dmp
    Filesize

    140KB

  • memory/1884-7-0x0000000001140000-0x00000000011AF000-memory.dmp
    Filesize

    444KB