Analysis

  • max time kernel
    17s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 10:26

General

  • Target

    b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe

  • Size

    936KB

  • MD5

    92e31906e68e746776729036b82e59a1

  • SHA1

    40f9317b50000be6b391d07911e68f2a206a98f8

  • SHA256

    b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41

  • SHA512

    4f2ccbe7df1b29faef95c3199ed9cdc103bd66af4ba7efc8905cad9a33bc8deefd6b31a9f898b2780bfeb3e02b08f962a917edfd9001881afc4eb34db85e9317

  • SSDEEP

    24576:bnUoby03y3pDpO6BAjCC/ntp7ugb8fzW1YYuX0J:bUCcE6+jCCPbugczWZdJ

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.

  • 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).

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe
    "C:\Users\Admin\AppData\Local\Temp\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2172
    • 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\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BPBHACGkcaHInS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2728
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BPBHACGkcaHInS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA0D1.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2756
    • C:\Users\Admin\AppData\Local\Temp\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe
      "C:\Users\Admin\AppData\Local\Temp\b4930dde2fc721a3d6648831dd4fe2ebd5085e0218864eb48e68e54a69d7cd41.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA0D1.tmp

    Filesize

    1KB

    MD5

    7a63059eae6c156d0a0db8488e305c73

    SHA1

    c8743a08324a88036d98493258e4db92a9e92f97

    SHA256

    bdce41236326d4bdb6db870ec4ca0bbd1a0c19168cd9ab68e999269fda06810e

    SHA512

    a14d8fb1e00ccec99c8fccc971323dd8df47c1f5b8f5c105d1cad592ea6cde6aed71404754afc167a3aa1aba7c314a80e99babb2c23978a51f1226746bf76c21

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    ac0b2262336e2186a8677c1d52593c10

    SHA1

    d781fed87349a07f2a119fb9660aa2c9b498dd58

    SHA256

    a7ed2bb2781d15726d9eab8af69bfb90c29cc43476837abef4c0808d3993e421

    SHA512

    c2701a7ff1103a8ac1e47ea78e5b33902d3de5815311e8bc88d6b34d36af4c3f2dfd6db208724c2d5d4333f00c80df8557e59ebdc499b04eef15104d458b015b

  • memory/2172-4-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

    Filesize

    4KB

  • memory/2172-32-0x0000000074BD0000-0x00000000752BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2172-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

    Filesize

    4KB

  • memory/2172-5-0x0000000074BD0000-0x00000000752BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2172-6-0x0000000004AA0000-0x0000000004B22000-memory.dmp

    Filesize

    520KB

  • memory/2172-2-0x0000000074BD0000-0x00000000752BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2172-1-0x0000000000BA0000-0x0000000000C90000-memory.dmp

    Filesize

    960KB

  • memory/2172-3-0x0000000000460000-0x0000000000478000-memory.dmp

    Filesize

    96KB

  • memory/2740-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2740-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2740-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2740-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2740-31-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2740-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2740-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2740-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB