Analysis

  • max time kernel
    51s
  • max time network
    114s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/09/2024, 16:14

General

  • Target

    PPPscan_87333.scr.exe

  • Size

    745KB

  • MD5

    fa367270d40ada68dd7be9a3ebe2bdf1

  • SHA1

    afd6f7b9822d0d3956e5e055d50451b23481df66

  • SHA256

    5ea66e4e338b5ded7b00ad1575010d7c1149341323a646069f3b00a518f300d5

  • SHA512

    c99c57ced780eead7c7478c0167b855b83dd40c35a2e1e22159c3ae77c2f12e01862fc722249e90c9f5ebd74b5a9e1565205c33094075e91103fdb848c49a510

  • SSDEEP

    12288:oX1nN018HO8PdTXyvFxTPV0gexASJVQ6tb4MjJl9+SoMMBAiK/JSmKRP2crA+XLz:cKOHOaTX+vVhFS7DV4QtdoMViqs/VrAc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    (=8fPSH$KO_!

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 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 1 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\PPPscan_87333.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\PPPscan_87333.scr.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:584
    • 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\PPPscan_87333.scr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1220
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ejRAbgfUflKqo.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2704
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ejRAbgfUflKqo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D7D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2720
    • C:\Users\Admin\AppData\Local\Temp\PPPscan_87333.scr.exe
      "C:\Users\Admin\AppData\Local\Temp\PPPscan_87333.scr.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2448

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp3D7D.tmp

          Filesize

          1KB

          MD5

          4b1e1825ca05faa253a084041dfa9b41

          SHA1

          c29370d94cb54ee28ce79cc5a2cd818a9eceb550

          SHA256

          382aed6cd0acf02cf0290cf5031fd06cd67ef5a3e417317e73e6eb704640e504

          SHA512

          b07bb403d9f7d5d7eecb4eebbcfac37f8d1e527fd193e688102f008e409cf4fbe84949a5fda250047a3f804c6e90f995a120b8eb37ccf45fb6fdc6fc3cbaac9b

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\2KMP1O9R8YK7YBU8OUUI.temp

          Filesize

          7KB

          MD5

          200b0a5a5582ea68a69ba7c42c3e4c2b

          SHA1

          d96cbbf0ff8f25cba9fea8a4b82ec9323595bce0

          SHA256

          88557f30b04a2efb86c4b392516f6a69b2c85fb29352d1efa29613a1a60e74a4

          SHA512

          e3551fb771c0171960125cdde8b5b2324837e7fb84a0ab4fa303d1c7e04aa584b2f371bcb4366b52fc407e5ea3d2421d1b023890c419527c1819352341d7be14

        • memory/584-4-0x0000000000A00000-0x0000000000A1E000-memory.dmp

          Filesize

          120KB

        • memory/584-3-0x0000000004FC0000-0x0000000005070000-memory.dmp

          Filesize

          704KB

        • memory/584-0-0x00000000740DE000-0x00000000740DF000-memory.dmp

          Filesize

          4KB

        • memory/584-5-0x00000000740DE000-0x00000000740DF000-memory.dmp

          Filesize

          4KB

        • memory/584-6-0x00000000740D0000-0x00000000747BE000-memory.dmp

          Filesize

          6.9MB

        • memory/584-7-0x0000000005B70000-0x0000000005BF4000-memory.dmp

          Filesize

          528KB

        • memory/584-2-0x00000000740D0000-0x00000000747BE000-memory.dmp

          Filesize

          6.9MB

        • memory/584-1-0x0000000000E50000-0x0000000000F0E000-memory.dmp

          Filesize

          760KB

        • memory/584-32-0x00000000740D0000-0x00000000747BE000-memory.dmp

          Filesize

          6.9MB

        • memory/2448-29-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2448-31-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2448-30-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2448-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2448-26-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2448-20-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2448-24-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2448-22-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB