Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 01:18

General

  • Target

    d5eda0e68317a31989c6e5f296a87364399cc58b471a8c7e43b9e0bc5f08108d.exe

  • Size

    615KB

  • MD5

    dc1e57e40438a110970471ad27cea415

  • SHA1

    076c454470c65d9d97140bea2e7b59530f90873a

  • SHA256

    d5eda0e68317a31989c6e5f296a87364399cc58b471a8c7e43b9e0bc5f08108d

  • SHA512

    3bab74f1e2b6840df5ed2c73be6d110c44e7dd4257291a2dde7007d4e3fb64ec1fdecfc13c8d1d769d45b0fb09e9c22b8b97b0ee9e63b4027bb66d67eb57cf90

  • SSDEEP

    12288:VAQohHRiNEsSmWymhD2NMRHQuy5+kyZT0bPc1nGMzvBB+W0/Nm7:Ox+xSR2NMeu4+F90bPwJl/0lm7

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7192961923:AAEu0sYs8DVbOCj8GP81IJlqXCHjJ_Qooak/

Signatures

  • AgentTesla

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

  • UAC bypass 3 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 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).

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5eda0e68317a31989c6e5f296a87364399cc58b471a8c7e43b9e0bc5f08108d.exe
    "C:\Users\Admin\AppData\Local\Temp\d5eda0e68317a31989c6e5f296a87364399cc58b471a8c7e43b9e0bc5f08108d.exe"
    1⤵
    • UAC bypass
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1960
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\d5eda0e68317a31989c6e5f296a87364399cc58b471a8c7e43b9e0bc5f08108d.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2084
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2928
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1960 -s 936
      2⤵
        PID:2712

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Privilege Escalation

    Abuse Elevation Control Mechanism

    1
    T1548

    Bypass User Account Control

    1
    T1548.002

    Defense Evasion

    Abuse Elevation Control Mechanism

    1
    T1548

    Bypass User Account Control

    1
    T1548.002

    Impair Defenses

    1
    T1562

    Disable or Modify Tools

    1
    T1562.001

    Modify Registry

    2
    T1112

    Discovery

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1960-0-0x00000000011B0000-0x00000000011BC000-memory.dmp
      Filesize

      48KB

    • memory/1960-1-0x000007FEF51D0000-0x000007FEF5BBC000-memory.dmp
      Filesize

      9.9MB

    • memory/1960-2-0x000000001B0B0000-0x000000001B130000-memory.dmp
      Filesize

      512KB

    • memory/1960-3-0x000000001B0B0000-0x000000001B130000-memory.dmp
      Filesize

      512KB

    • memory/1960-4-0x000000001B230000-0x000000001B2C6000-memory.dmp
      Filesize

      600KB

    • memory/1960-34-0x000000001B0B0000-0x000000001B130000-memory.dmp
      Filesize

      512KB

    • memory/1960-33-0x000007FEF51D0000-0x000007FEF5BBC000-memory.dmp
      Filesize

      9.9MB

    • memory/2084-28-0x000007FEED280000-0x000007FEEDC1D000-memory.dmp
      Filesize

      9.6MB

    • memory/2084-26-0x00000000028C0000-0x0000000002940000-memory.dmp
      Filesize

      512KB

    • memory/2084-30-0x000007FEED280000-0x000007FEEDC1D000-memory.dmp
      Filesize

      9.6MB

    • memory/2084-29-0x00000000028C4000-0x00000000028C7000-memory.dmp
      Filesize

      12KB

    • memory/2084-19-0x000000001B250000-0x000000001B532000-memory.dmp
      Filesize

      2.9MB

    • memory/2084-22-0x0000000002590000-0x0000000002598000-memory.dmp
      Filesize

      32KB

    • memory/2084-27-0x00000000028C0000-0x0000000002940000-memory.dmp
      Filesize

      512KB

    • memory/2084-25-0x000007FEED280000-0x000007FEEDC1D000-memory.dmp
      Filesize

      9.6MB

    • memory/2928-24-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2928-15-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2928-21-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2928-13-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2928-18-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2928-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2928-31-0x0000000073CA0000-0x000000007438E000-memory.dmp
      Filesize

      6.9MB

    • memory/2928-32-0x00000000047C0000-0x0000000004800000-memory.dmp
      Filesize

      256KB

    • memory/2928-11-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2928-9-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2928-35-0x0000000073CA0000-0x000000007438E000-memory.dmp
      Filesize

      6.9MB

    • memory/2928-36-0x00000000047C0000-0x0000000004800000-memory.dmp
      Filesize

      256KB