Analysis

  • max time kernel
    145s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220331-en
  • submitted
    14-04-2022 06:55

General

  • Target

    0b4fc883a3ab24b0c65a8d19dedafeac5b1c1ca357f4154317ada9517c593b84.exe

  • Size

    560KB

  • MD5

    f4f01da885c52a682060607332aaa4a0

  • SHA1

    134f77704bc306a95941309d63e5b6e66dd48c13

  • SHA256

    0b4fc883a3ab24b0c65a8d19dedafeac5b1c1ca357f4154317ada9517c593b84

  • SHA512

    7515446df9828f93579be38d095f5117c8b470cac0449f1fd848eef82b15a1db318b6d685647f627bc2c50bf59b845062f325287c91a125a691f9445e186c43a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cl-logistics.vn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    zG@.]Zj4cRxA

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b4fc883a3ab24b0c65a8d19dedafeac5b1c1ca357f4154317ada9517c593b84.exe
    "C:\Users\Admin\AppData\Local\Temp\0b4fc883a3ab24b0c65a8d19dedafeac5b1c1ca357f4154317ada9517c593b84.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FOjwxO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpADFC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1032
    • C:\Users\Admin\AppData\Local\Temp\0b4fc883a3ab24b0c65a8d19dedafeac5b1c1ca357f4154317ada9517c593b84.exe
      "{path}"
      2⤵
        PID:1144
      • C:\Users\Admin\AppData\Local\Temp\0b4fc883a3ab24b0c65a8d19dedafeac5b1c1ca357f4154317ada9517c593b84.exe
        "{path}"
        2⤵
          PID:576
        • C:\Users\Admin\AppData\Local\Temp\0b4fc883a3ab24b0c65a8d19dedafeac5b1c1ca357f4154317ada9517c593b84.exe
          "{path}"
          2⤵
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1656

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpADFC.tmp

        Filesize

        1KB

        MD5

        84e2e97d52dd836c67c0448342f45460

        SHA1

        81976f352e14d1610d1bf98f3dc52c0ae1f001c3

        SHA256

        5214fb05eaa67a9269438574652571ed5d56070f66abcf17d5c465fb6b7ec538

        SHA512

        862bc0623d3bc8158b8e1adb2c004d85407ae0083836b9539893c38aaaffd1d1cb032bb9d2d5e21fc113da5205b55e834105e89949993183c636a4a82f05c381

      • memory/1656-60-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/1656-59-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/1656-62-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/1656-63-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/1656-64-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/1656-67-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/1656-69-0x0000000000400000-0x000000000043C000-memory.dmp

        Filesize

        240KB

      • memory/2008-56-0x00000000057B0000-0x0000000005818000-memory.dmp

        Filesize

        416KB

      • memory/2008-55-0x0000000000470000-0x000000000048C000-memory.dmp

        Filesize

        112KB

      • memory/2008-54-0x00000000001C0000-0x0000000000252000-memory.dmp

        Filesize

        584KB