Analysis

  • max time kernel
    132s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 19:09

General

  • Target

    New Inquiry RFQ.NO2015.exe

  • Size

    1.0MB

  • MD5

    cd541afd25a538420d0e90fbf68bcf06

  • SHA1

    488d8391b108b55a472544443c0f677c36b4b65e

  • SHA256

    9f90e58343e50ae5c91cf92c7d83482dc0fd227d8c22c60feb2998e32977c23a

  • SHA512

    f4e7970e68dbd30c9d856244e8df83853db82792eeb85a38be2f104c42aad26365b9a943bf1d6a8681e4e1c89d5f0d45b0c5d738b2b74162795bd866fa8252d4

  • SSDEEP

    24576:/AHnh+eWsN3skA4RV1Hom2KXMmHaaudN0RPCfk5:ih+ZkldoPK8Yaa/CC

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    (=8fPSH$KO_!

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Inquiry RFQ.NO2015.exe
    "C:\Users\Admin\AppData\Local\Temp\New Inquiry RFQ.NO2015.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4660
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\New Inquiry RFQ.NO2015.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4660 -s 668
      2⤵
      • Program crash
      PID:3120
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4660 -ip 4660
    1⤵
      PID:4000

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/980-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/980-12-0x000000007385E000-0x000000007385F000-memory.dmp

      Filesize

      4KB

    • memory/980-13-0x0000000005810000-0x0000000005DB4000-memory.dmp

      Filesize

      5.6MB

    • memory/980-14-0x0000000005260000-0x00000000052C6000-memory.dmp

      Filesize

      408KB

    • memory/980-15-0x0000000073850000-0x0000000074000000-memory.dmp

      Filesize

      7.7MB

    • memory/980-16-0x0000000006510000-0x0000000006560000-memory.dmp

      Filesize

      320KB

    • memory/980-17-0x0000000006600000-0x0000000006692000-memory.dmp

      Filesize

      584KB

    • memory/980-18-0x0000000006590000-0x000000000659A000-memory.dmp

      Filesize

      40KB

    • memory/980-19-0x000000007385E000-0x000000007385F000-memory.dmp

      Filesize

      4KB

    • memory/980-20-0x0000000073850000-0x0000000074000000-memory.dmp

      Filesize

      7.7MB

    • memory/4660-10-0x0000000000C10000-0x0000000000C14000-memory.dmp

      Filesize

      16KB