Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    13-02-2024 05:53

General

  • Target

    edcf1354b40254f93cb4ee3b6d943b6d20f5afc281dfc7335bba6260985b748f.exe

  • Size

    787KB

  • MD5

    9904b7dbad619cf2f2b042a2c3e24d7f

  • SHA1

    4d6be531f2d759c5cbeea2c4475a1c5676a23e54

  • SHA256

    edcf1354b40254f93cb4ee3b6d943b6d20f5afc281dfc7335bba6260985b748f

  • SHA512

    3bc9c5f95cf4bd5b6d726ac7d28e25ed63b75fee2ae050b4b4248973eb53698a50c5feb729ce9b6627acb614db246eeb1d9f4108eea201e14ea2ac426cf991f8

  • SSDEEP

    12288:c2G17zEzqHKMbNuXHFlhl7tHF/Mclk30ZWphSUIT0nJ0mOiTWPPGjeDUq7BRDSLm:cCz87b4FnlpHBMcEfpH72mkPGjeDUx

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 6 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 6 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 6 IoCs
  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\edcf1354b40254f93cb4ee3b6d943b6d20f5afc281dfc7335bba6260985b748f.exe
    "C:\Users\Admin\AppData\Local\Temp\edcf1354b40254f93cb4ee3b6d943b6d20f5afc281dfc7335bba6260985b748f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mdLOQjA.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2724
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mdLOQjA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9EDE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2768
    • C:\Users\Admin\AppData\Local\Temp\edcf1354b40254f93cb4ee3b6d943b6d20f5afc281dfc7335bba6260985b748f.exe
      "C:\Users\Admin\AppData\Local\Temp\edcf1354b40254f93cb4ee3b6d943b6d20f5afc281dfc7335bba6260985b748f.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9EDE.tmp

    Filesize

    1KB

    MD5

    2eac5404f763d7c624c8adacbdad8974

    SHA1

    1b1e6334748b62e4a30a0df3bef8919c3bfe162c

    SHA256

    c894865c7ce54c8c51f600f7c8c67590167d32e7c5d2f558e7d9736d9aa87b3f

    SHA512

    6f6de6e72fa42fd68a8793b79846bd7fdd661e9147bb80ef58d8510c5166b9907d4a3b8ba3e0a340aa6d9a6e83b653bd5156066b4250f27cf303d8e7b48d742d

  • memory/1932-6-0x00000000081D0000-0x0000000008258000-memory.dmp

    Filesize

    544KB

  • memory/1932-2-0x0000000007180000-0x00000000071C0000-memory.dmp

    Filesize

    256KB

  • memory/1932-3-0x00000000001D0000-0x00000000001E4000-memory.dmp

    Filesize

    80KB

  • memory/1932-4-0x0000000000200000-0x000000000020A000-memory.dmp

    Filesize

    40KB

  • memory/1932-5-0x0000000000210000-0x000000000021E000-memory.dmp

    Filesize

    56KB

  • memory/1932-20-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/1932-1-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/1932-0-0x0000000000830000-0x00000000008FC000-memory.dmp

    Filesize

    816KB

  • memory/2724-32-0x000000006FCA0000-0x000000007024B000-memory.dmp

    Filesize

    5.7MB

  • memory/2724-31-0x00000000023B0000-0x00000000023F0000-memory.dmp

    Filesize

    256KB

  • memory/2724-30-0x00000000023B0000-0x00000000023F0000-memory.dmp

    Filesize

    256KB

  • memory/2724-29-0x000000006FCA0000-0x000000007024B000-memory.dmp

    Filesize

    5.7MB

  • memory/2724-28-0x000000006FCA0000-0x000000007024B000-memory.dmp

    Filesize

    5.7MB

  • memory/2832-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2832-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2832-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2832-24-0x0000000074BE0000-0x00000000752CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2832-25-0x0000000000960000-0x00000000009A0000-memory.dmp

    Filesize

    256KB

  • memory/2832-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2832-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2832-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2832-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2832-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2832-34-0x0000000074BE0000-0x00000000752CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2832-35-0x0000000000960000-0x00000000009A0000-memory.dmp

    Filesize

    256KB