Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    17-06-2024 17:33

General

  • Target

    Bill of Ladden,Invoice & Packing List.exe

  • Size

    692KB

  • MD5

    3abca3d01e518e48b9d575b2bbdc65c8

  • SHA1

    85d9b7354ac39e47fdd2abb42989ca128c45315d

  • SHA256

    3bab8fe003450bf70cd9ec8c2b92d042d92167da4942046f104f6b3139663a96

  • SHA512

    a7cc95fd098df66fa96e04941e032927a5b088f74865f501bf476095e8b236775e4818f2b70c7d4dfadae4e9d1fde7c9c5e836bfcc5839a20c6a5f2212a8a05c

  • SSDEEP

    12288:uKByCK2xrOoyepvItIvwJq1kugH+s++zfq0HNqbR1FjOgpkR:LByC5yoapsubQ+f3tM1q

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 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).

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bill of Ladden,Invoice & Packing List.exe
    "C:\Users\Admin\AppData\Local\Temp\Bill of Ladden,Invoice & Packing List.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2644
    • 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\Bill of Ladden,Invoice & Packing List.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2092
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yHYZVcCCPt.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2688
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yHYZVcCCPt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3488.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2760
    • C:\Users\Admin\AppData\Local\Temp\Bill of Ladden,Invoice & Packing List.exe
      "C:\Users\Admin\AppData\Local\Temp\Bill of Ladden,Invoice & Packing List.exe"
      2⤵
        PID:2616
      • C:\Users\Admin\AppData\Local\Temp\Bill of Ladden,Invoice & Packing List.exe
        "C:\Users\Admin\AppData\Local\Temp\Bill of Ladden,Invoice & Packing List.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2560

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp3488.tmp

      Filesize

      1KB

      MD5

      bc8266a8cc090827f82dd7944289f716

      SHA1

      092092493e3c703e7a28bf4102ce091ff3ad7d10

      SHA256

      74f7709a7dbb23e27c3f7427d94a5bb62a156e4f85384b843518f5846c98bfa8

      SHA512

      e2119c503fc723baaae6edd98108f368cfe7405d47cde846db7fc44945b5d16068b33acefd7363676fc34b70625d3bdcc5c2c6492c11a22107b6433499e8a1cb

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\SIY21YY8SGPP62ZNF6LS.temp

      Filesize

      7KB

      MD5

      0767f181bb156b519f8e81be1068da68

      SHA1

      2318b0f44620eee2b32cbf9653c0eaf5c7a370e6

      SHA256

      e7b7379eb98fe8ae305ae5a799710a78ceb60f5d1f805de2a24fa8d856a4d5a2

      SHA512

      6d8ed65bf4c468b08e0ae5f09f2fe39ea21841929f37ccf92ca30430b22f8439f4eb82d16ad31835e237d5289cf86a394aa8c9f0de8aa1e64202ff65fb1bfded

    • memory/2560-30-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2560-28-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2560-20-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2560-22-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2560-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2560-27-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2560-18-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2560-25-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2644-2-0x00000000748E0000-0x0000000074FCE000-memory.dmp

      Filesize

      6.9MB

    • memory/2644-1-0x0000000001150000-0x0000000001200000-memory.dmp

      Filesize

      704KB

    • memory/2644-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

      Filesize

      4KB

    • memory/2644-3-0x0000000000620000-0x000000000063A000-memory.dmp

      Filesize

      104KB

    • memory/2644-5-0x0000000007DD0000-0x0000000007E52000-memory.dmp

      Filesize

      520KB

    • memory/2644-4-0x00000000003D0000-0x00000000003E0000-memory.dmp

      Filesize

      64KB

    • memory/2644-31-0x00000000748E0000-0x0000000074FCE000-memory.dmp

      Filesize

      6.9MB