Analysis

  • max time kernel
    120s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 11:42

General

  • Target

    SPW AW25 - PO.010 SMS.exe

  • Size

    1.4MB

  • MD5

    7c89b48a2752a771eb6457fe2fea1d8e

  • SHA1

    afb602ef798b23f400fd3d474cb570aa781797c4

  • SHA256

    3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce

  • SHA512

    9338a3817216563677573599d5dd3cacb4be084a2e46c77516d56a207ce7d8d06a376ea4be1a7863ffeb823ae803b891ef947cfb81d4813a52ce152038e97d48

  • SSDEEP

    24576:OnpUwegOzvr+8J97vsJRx1osJYWDaK9rB6hjscMmQV5IPiMtWb05UaaYy6nnjqKh:OCri8H7vsjx1V15B6xscMmY6ivQUNEjF

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 4 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SPW AW25 - PO.010 SMS.exe
    "C:\Users\Admin\AppData\Local\Temp\SPW AW25 - PO.010 SMS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2076
    • 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\SPW AW25 - PO.010 SMS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2936
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IbwIIBmUDWimTZ.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\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IbwIIBmUDWimTZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5E17.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2824
    • C:\Users\Admin\AppData\Local\Temp\SPW AW25 - PO.010 SMS.exe
      "C:\Users\Admin\AppData\Local\Temp\SPW AW25 - PO.010 SMS.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2188
      • 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\SPW AW25 - PO.010 SMS.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1164
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wlBldyvi.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1708
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp902F.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2216
      • C:\Users\Admin\AppData\Local\Temp\SPW AW25 - PO.010 SMS.exe
        "C:\Users\Admin\AppData\Local\Temp\SPW AW25 - PO.010 SMS.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5E17.tmp

    Filesize

    1KB

    MD5

    142ae24a11c6ed69fdbf4e778623635d

    SHA1

    ff8e22ab2415bf6315eac2992a6e35d319e4495f

    SHA256

    7224e909df42f888f21982ff15d067e4970156af3efac2156887d2df40df69aa

    SHA512

    52a0063918d69571dd02fee3c5377388c9746dd32fd4d84912fc1e3521285c8537c9290c888b75e3078c5c869ed857b1333d0b8976741e9c5c3b129d1a1b830b

  • C:\Users\Admin\AppData\Local\Temp\tmp902F.tmp

    Filesize

    1KB

    MD5

    1033bca53fdb823dcde7e9371f45e94a

    SHA1

    3abba49337edb5df2f439c49041641fdc0b1abfa

    SHA256

    33e192faf4faf6b13a4673257722a72f81b9efa7cb44f89765589265b4e30ae5

    SHA512

    7ccb7d1a482f0d1a887bcb4d769ffe88b1a928fa9c5bbe6f9e390f3805097b6106716afa9860b0f3f0c082882cf25e26710ebd225a6f430712a6a6fbbe5a3f51

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

    Filesize

    7KB

    MD5

    727638e5f6b3142909a69cc9889dd27b

    SHA1

    a7d894e3c692d82536eda5919c65b6f46376b39c

    SHA256

    1384af7ab2e5a4fce9242f48b82bf32bdc4f1eba1d6937b2e6d92ed2c5a42ecb

    SHA512

    27c8fe0a4e7e657c75bc42594204072b32accb6b459d699f222a5fa0fc874c29335359ad990e6294c62e0f5c89061ab969d4a4e28aea94f6dcbdb26ecec5fb59

  • C:\Users\Admin\AppData\Roaming\wlBldyvi.exe

    Filesize

    1.4MB

    MD5

    7c89b48a2752a771eb6457fe2fea1d8e

    SHA1

    afb602ef798b23f400fd3d474cb570aa781797c4

    SHA256

    3d1e16dec7f88b3ccdf7197c64a6eea6a7d3599c12f34893d60012ffd61f15ce

    SHA512

    9338a3817216563677573599d5dd3cacb4be084a2e46c77516d56a207ce7d8d06a376ea4be1a7863ffeb823ae803b891ef947cfb81d4813a52ce152038e97d48

  • memory/1000-62-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1000-50-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1000-52-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1000-54-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1000-56-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1000-59-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1000-60-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2076-31-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2076-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

    Filesize

    4KB

  • memory/2076-6-0x0000000005A50000-0x0000000005B64000-memory.dmp

    Filesize

    1.1MB

  • memory/2076-4-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

    Filesize

    4KB

  • memory/2076-3-0x00000000003D0000-0x00000000003E0000-memory.dmp

    Filesize

    64KB

  • memory/2076-5-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2076-1-0x00000000010C0000-0x0000000001230000-memory.dmp

    Filesize

    1.4MB

  • memory/2076-2-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/2188-33-0x0000000005400000-0x0000000005482000-memory.dmp

    Filesize

    520KB

  • memory/2188-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2188-32-0x0000000004900000-0x00000000049A0000-memory.dmp

    Filesize

    640KB

  • memory/2188-29-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2188-30-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2188-28-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2188-19-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2188-21-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2188-23-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/2188-26-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB