Analysis

  • max time kernel
    130s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:46

General

  • Target

    CONSIGNEE BL. NO GLNL20063871.exe

  • Size

    392KB

  • MD5

    eafb5ecce79a78ff6f61de7830e3c492

  • SHA1

    f6d454e65aabcf2ee7c13eb01b776e2d557bf30f

  • SHA256

    841418cdd1e9639a6a192eb8f9fd9881f042f49a7cb2bd3463a8a6964a424b50

  • SHA512

    99a64b81a8dbe8ae3a2f2601111fbf52f94cf496d4475b2635862ae6473a81e8d1faa5b69b941d0d0e0c361b2a39ea731033143c6cdad45ac8c6295381e5ca35

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.daiphatfood.com.vn
  • Port:
    587
  • Username:
    supin@daiphatfood.com.vn
  • Password:
    jn&6kG~_w;;A

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CONSIGNEE BL. NO GLNL20063871.exe
    "C:\Users\Admin\AppData\Local\Temp\CONSIGNEE BL. NO GLNL20063871.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\abzwxpuJVYDQjR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1363.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1160
    • C:\Users\Admin\AppData\Local\Temp\CONSIGNEE BL. NO GLNL20063871.exe
      "{path}"
      2⤵
        PID:2040
      • C:\Users\Admin\AppData\Local\Temp\CONSIGNEE BL. NO GLNL20063871.exe
        "{path}"
        2⤵
          PID:1536
        • C:\Users\Admin\AppData\Local\Temp\CONSIGNEE BL. NO GLNL20063871.exe
          "{path}"
          2⤵
            PID:2036
          • C:\Users\Admin\AppData\Local\Temp\CONSIGNEE BL. NO GLNL20063871.exe
            "{path}"
            2⤵
              PID:892
            • C:\Users\Admin\AppData\Local\Temp\CONSIGNEE BL. NO GLNL20063871.exe
              "{path}"
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:880

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Execution

          Scheduled Task

          1
          T1053

          Persistence

          Scheduled Task

          1
          T1053

          Privilege Escalation

          Scheduled Task

          1
          T1053

          Discovery

          System Information Discovery

          1
          T1082

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmp1363.tmp
            Filesize

            1KB

            MD5

            e55b113d3b8aa8a8f38c0993565e09cc

            SHA1

            3c21421b6217ef2da85be2df729d7c1e0c1eab26

            SHA256

            3812b3014e84d98c21f9f9e97cb93e6c6ee97f43ce2a5d70b5a7b3b35befab63

            SHA512

            bb6eb21596331938aca155463b0d0f15caa450ef3b4d5d33d070c2dbbe3fca892b6372711c1e4e68411970d790f076e0773dfc4316c81ae7f8bc5bde134971e1

          • memory/880-65-0x0000000000446BAE-mapping.dmp
          • memory/880-59-0x0000000000400000-0x000000000044C000-memory.dmp
            Filesize

            304KB

          • memory/880-60-0x0000000000400000-0x000000000044C000-memory.dmp
            Filesize

            304KB

          • memory/880-62-0x0000000000400000-0x000000000044C000-memory.dmp
            Filesize

            304KB

          • memory/880-63-0x0000000000400000-0x000000000044C000-memory.dmp
            Filesize

            304KB

          • memory/880-64-0x0000000000400000-0x000000000044C000-memory.dmp
            Filesize

            304KB

          • memory/880-67-0x0000000000400000-0x000000000044C000-memory.dmp
            Filesize

            304KB

          • memory/880-69-0x0000000000400000-0x000000000044C000-memory.dmp
            Filesize

            304KB

          • memory/880-70-0x00000000754A1000-0x00000000754A3000-memory.dmp
            Filesize

            8KB

          • memory/1160-57-0x0000000000000000-mapping.dmp
          • memory/1732-56-0x0000000000630000-0x0000000000684000-memory.dmp
            Filesize

            336KB

          • memory/1732-55-0x0000000000430000-0x0000000000438000-memory.dmp
            Filesize

            32KB

          • memory/1732-54-0x00000000001E0000-0x0000000000248000-memory.dmp
            Filesize

            416KB