Analysis

  • max time kernel
    105s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    26-01-2021 11:06

General

  • Target

    SecuriteInfo.com.Trojan.DownLoader36.37393.29158.16741.exe

  • Size

    8KB

  • MD5

    0ab82854f449517d76898302950817ee

  • SHA1

    ff2a4d25344510b353f28032a9d9c08f81750d11

  • SHA256

    f6d1d069d1d55f689ae9550ca6b7fe88708b6a0db52043ffe0d21bd79ce246c5

  • SHA512

    1ec65b4b6a926315aa99a30bcabe1f7e3842309fbc2b43dd87291b0d19c37ae16639b797dfc2da7f48702044f194a7f41c789342de1bc31d98e06b1575a44f13

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.owlpk.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    786owlacc?

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.owlpk.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    786owlacc?

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 2 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\SecuriteInfo.com.Trojan.DownLoader36.37393.29158.16741.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader36.37393.29158.16741.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader36.37393.29158.16741.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader36.37393.29158.16741.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:204

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

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Trojan.DownLoader36.37393.29158.16741.exe.log
    MD5

    bc181569bfb12333eadc1b311b8ef6a8

    SHA1

    484f86149c2097035e15c64ccdde228dc6327ccd

    SHA256

    8181aed2cbe92d7abcce9baa6008d0265a6b0279e4cfa99c00da1a3558173587

    SHA512

    aa3f436cc27bc720dc7aac09023c97f8bb26dd0b9975d13fd54e58907839a9420d60feaaf067490354bab72be54a9cf0c4faa92bf34c05f6ca537e1b66f4a45f

  • memory/204-19-0x0000000002E00000-0x0000000002E01000-memory.dmp
    Filesize

    4KB

  • memory/204-14-0x0000000073F80000-0x000000007466E000-memory.dmp
    Filesize

    6.9MB

  • memory/204-24-0x0000000002E01000-0x0000000002E02000-memory.dmp
    Filesize

    4KB

  • memory/204-21-0x00000000062B0000-0x00000000062B1000-memory.dmp
    Filesize

    4KB

  • memory/204-20-0x00000000059D0000-0x00000000059D1000-memory.dmp
    Filesize

    4KB

  • memory/204-11-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/204-12-0x000000000043779E-mapping.dmp
  • memory/644-5-0x0000000005690000-0x0000000005691000-memory.dmp
    Filesize

    4KB

  • memory/644-10-0x0000000006000000-0x0000000006001000-memory.dmp
    Filesize

    4KB

  • memory/644-3-0x0000000000D20000-0x0000000000D21000-memory.dmp
    Filesize

    4KB

  • memory/644-9-0x0000000006080000-0x0000000006081000-memory.dmp
    Filesize

    4KB

  • memory/644-2-0x0000000073F80000-0x000000007466E000-memory.dmp
    Filesize

    6.9MB

  • memory/644-8-0x0000000006920000-0x0000000006921000-memory.dmp
    Filesize

    4KB

  • memory/644-7-0x0000000005F60000-0x0000000005F9F000-memory.dmp
    Filesize

    252KB

  • memory/644-6-0x0000000005650000-0x0000000005651000-memory.dmp
    Filesize

    4KB