Analysis

  • max time kernel
    84s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 08:29

General

  • Target

    Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe

  • Size

    821KB

  • MD5

    87113dcc0719f80633c986c184c7e29f

  • SHA1

    9033d77c48bf796483bf8ba448bfd09aaaf162a1

  • SHA256

    3ab5cfa98e47af08a289ebfb6bfcdb40b109ac077c1b655b47798cb559931724

  • SHA512

    d6d7c62ca6d08f3fdad5ee4405882707d4d8ecbd8684067e85195b603a14a8c36b3ec5fd4b1dfe6a08d923ae56e4cb75ca350723159615b9a53752a57db38f30

  • SSDEEP

    24576:UfT2Hd8Vr98Fl0Yu/d4NOuhPpkBfJXAvR:UfTUd8VJ8Fl0YZpCBfJXAJ

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2692
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TKFJVphocGEKC.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2796
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TKFJVphocGEKC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAB1E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2824
    • C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpAB1E.tmp

    Filesize

    1KB

    MD5

    bc937ee028766e62d2060f1f20de2f90

    SHA1

    4b3595a11b641ceb34f7c65e2e985a637caae74e

    SHA256

    512bffbb30bc9075bf8134f5e3abd755c295014e7ab3014eb3d44aefa86cedb4

    SHA512

    41da8ee74a6018dc13fc393bf7885136931547ddb94138514aed8029f51cece4d846dc0625b97a57157cb14b910cd3d9c8395a50bef035d8e4d160208b59bb8b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\4JM3ZUOEJX0DHRIH8IIO.temp

    Filesize

    7KB

    MD5

    199e6cc1779485d53ff4340aca9ea446

    SHA1

    ce44aa95eeda8f3d15908f1bf528df5f3565c245

    SHA256

    9cb069c3168245e7a89b53d71d012177f31c4f2f778b571dd658524dbdbe212f

    SHA512

    ce0a0785b569f2ee7fee67d9c66618ba157dda840eea234d9f99e83ca97715f8f1b96422772aee5c36d166714df672379a4088c040f1fb7d2f969f10e0d9e3e9

  • memory/2116-4-0x0000000000630000-0x0000000000648000-memory.dmp

    Filesize

    96KB

  • memory/2116-3-0x0000000001220000-0x00000000012C8000-memory.dmp

    Filesize

    672KB

  • memory/2116-0-0x000000007444E000-0x000000007444F000-memory.dmp

    Filesize

    4KB

  • memory/2116-5-0x000000007444E000-0x000000007444F000-memory.dmp

    Filesize

    4KB

  • memory/2116-6-0x0000000074440000-0x0000000074B2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2116-7-0x0000000005020000-0x00000000050A2000-memory.dmp

    Filesize

    520KB

  • memory/2116-2-0x0000000074440000-0x0000000074B2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2116-1-0x0000000001380000-0x000000000142C000-memory.dmp

    Filesize

    688KB

  • memory/2116-32-0x0000000074440000-0x0000000074B2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2132-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2132-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2132-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2132-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2132-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2132-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2132-31-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2132-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB