Analysis

  • max time kernel
    117s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:04

General

  • Target

    INDUS INTL- RFQ(inquiry _list)pht.exe

  • Size

    682KB

  • MD5

    9ad03cd97e4d83bf3bd9f1a2407a4242

  • SHA1

    8f1ced189e835e117388cac76fc68b4810b22a94

  • SHA256

    b2ac207f4af2ee08fd955e71ccfb0c95b07098f0dc88eb2fbe48fb9e1f52c022

  • SHA512

    197ef4db7b2b205fb54bfff024466fa0e90e25ba8db0d59e0532088bb11950a75331c1c8bae212528a819e6315055df16aa60a972abc9fd20833bafe530e67f8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sWalzdY4

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

  • 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 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INDUS INTL- RFQ(inquiry _list)pht.exe
    "C:\Users\Admin\AppData\Local\Temp\INDUS INTL- RFQ(inquiry _list)pht.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QlCnxlaozyf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA5B2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2036
    • C:\Users\Admin\AppData\Local\Temp\INDUS INTL- RFQ(inquiry _list)pht.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1872

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA5B2.tmp
    Filesize

    1KB

    MD5

    872d18905d2f6a6b9f52e122e82b5217

    SHA1

    9dbabf7de43acb4851c2016cd772f70376ea51ea

    SHA256

    1e82320e094053dbd0b8acab831b9f1f600154b0f3749ee931150b33c2ae2336

    SHA512

    c7f324963d6b80f61efd5c6ff0aa6ab9b050b4415a2e4aea7a2baafbc96206087bef5dcd19a2e27e1e7cd6fed0f589ffb1ffeac94cbbc8748807da774fbb5bfc

  • memory/908-55-0x00000000001F0000-0x0000000000204000-memory.dmp
    Filesize

    80KB

  • memory/908-56-0x0000000000C20000-0x0000000000C74000-memory.dmp
    Filesize

    336KB

  • memory/908-54-0x0000000001260000-0x0000000001310000-memory.dmp
    Filesize

    704KB

  • memory/1872-64-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1872-59-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1872-60-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1872-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1872-62-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1872-65-0x0000000000447B5E-mapping.dmp
  • memory/1872-67-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1872-69-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1872-70-0x0000000076C81000-0x0000000076C83000-memory.dmp
    Filesize

    8KB

  • memory/2036-57-0x0000000000000000-mapping.dmp