Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 14:26

General

  • Target

    ab8187e1651648d7f5d1906536e0dc09680dbc18cb311ef5686fe2049659da36.exe

  • Size

    777KB

  • MD5

    d96260136e9989c3ee56e2fef804175e

  • SHA1

    ba76e6c03a5485166cf0bc9bfd7b5ff34a684a5b

  • SHA256

    ab8187e1651648d7f5d1906536e0dc09680dbc18cb311ef5686fe2049659da36

  • SHA512

    4c6dd05630206e2a9292bb0c569f4f450aa6b3be749e056eddd42f86cfe5f2790c8c305e0f5e31a12ee8e90522767563a195a90d75bb2043476a26d54494649c

  • SSDEEP

    12288:t5Zhg/9yOnhNzHxepY9oCfO2iiCw+vokWCotbleaQVBmWJzrGtLAgReWjGT43Zqb:+ThNzg29oGO2iaYWjtb5G/

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab8187e1651648d7f5d1906536e0dc09680dbc18cb311ef5686fe2049659da36.exe
    "C:\Users\Admin\AppData\Local\Temp\ab8187e1651648d7f5d1906536e0dc09680dbc18cb311ef5686fe2049659da36.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vFwUUNF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2516
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vFwUUNF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp46C0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2504
    • 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:2612

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp46C0.tmp
    Filesize

    1KB

    MD5

    12f202781acd0aa29b6c25860b882313

    SHA1

    bf298a313425008591d0bc32f9076fe88e35da53

    SHA256

    1c211992cf7c3dd1c146a1ff3593163d853a7434cbfa9ae85598688ec80afecb

    SHA512

    2355f509eb2d772fd016b55d2d10ee15c739945fd846c8a21d4df0c747adfef00ec17180d9ee9e35f442d9e8f561cc7fcf5620068e023742f9eeedd7ce74a5dd

  • memory/2236-26-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2236-1-0x0000000000230000-0x00000000002F4000-memory.dmp
    Filesize

    784KB

  • memory/2236-2-0x0000000074900000-0x0000000074FEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2236-3-0x0000000001E00000-0x0000000001EA2000-memory.dmp
    Filesize

    648KB

  • memory/2236-4-0x0000000001EF0000-0x0000000001F0A000-memory.dmp
    Filesize

    104KB

  • memory/2236-5-0x0000000000540000-0x0000000000550000-memory.dmp
    Filesize

    64KB

  • memory/2236-6-0x0000000007360000-0x00000000073E2000-memory.dmp
    Filesize

    520KB

  • memory/2236-0-0x000000007490E000-0x000000007490F000-memory.dmp
    Filesize

    4KB

  • memory/2612-18-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2612-25-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2612-24-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2612-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2612-20-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2612-16-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2612-15-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2612-23-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB