Analysis

  • max time kernel
    91s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    10-07-2020 07:04

General

  • Target

    ALWAKRA PROJECT_REF00023 # 25062018 # _DA25.exe

  • Size

    426KB

  • MD5

    1669094e65d10965973578adf0b7467a

  • SHA1

    568a31028822f1fc3ca2117893118bba35e7c6e1

  • SHA256

    fb6e964f34f1c68787e0b68226be22a1fae6e82dafd5476d8684d06aa6be938c

  • SHA512

    b94df4e8424d7bd4f07e29dfb6c14af5b07d1211693b071dbb967ea499ae8af8355db1a40ee566c00e38514faf21fc5466dddac026d78c64ee2525534412c6ea

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mytravelexplorer.com
  • Port:
    587
  • Username:
    sales911@mytravelexplorer.com
  • Password:
    2JWcb}iP#4]+

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ALWAKRA PROJECT_REF00023 # 25062018 # _DA25.exe
    "C:\Users\Admin\AppData\Local\Temp\ALWAKRA PROJECT_REF00023 # 25062018 # _DA25.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:272
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ucNGveXzJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp27DA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1928
    • C:\Users\Admin\AppData\Local\Temp\ALWAKRA PROJECT_REF00023 # 25062018 # _DA25.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1884

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp27DA.tmp
    MD5

    68b4a039a62e07d7e93bcb58f193fc57

    SHA1

    f62df3afaa098b655ab926d7830c80812c854828

    SHA256

    997583bd62d4a3b9baa54716745c58d761efcc298a688541eeb60829bfac40ed

    SHA512

    44a24ebb288afadb887272a6df118a7a0d86eae2728ef0eb294ea6f366b6cccb80324f507f4d7c6ccf3846719b0d60bbeb560dd26a6253b005ac3666dd4dc214

  • memory/1884-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1884-5-0x000000000044729E-mapping.dmp
  • memory/1884-6-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1884-7-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1928-2-0x0000000000000000-mapping.dmp