Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 06:17

General

  • Target

    071dc8716c274c05bbebc4900432b8298ad34c138c446fdc7c4144ba9a68fff5.exe

  • Size

    1.0MB

  • MD5

    522cc0dc10567802aba0c427054b2ed8

  • SHA1

    9813d84450aa26419223bc179d06b4282cfc7257

  • SHA256

    071dc8716c274c05bbebc4900432b8298ad34c138c446fdc7c4144ba9a68fff5

  • SHA512

    877482ef9bf01eae4c74c944835a01d9921aa6ae9a483452ef7ff96e0d73101d12d9f96395a99544f3dd818b105b4a4335b95b70e5682ce54e69a79edc1780bb

  • SSDEEP

    12288:Oz7IFjvelQypyfy7z6u7+4DvbMUsIGoHut2k:Oz0FfMz6TEbMUskHm

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Boy12345#

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • 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 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 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 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\071dc8716c274c05bbebc4900432b8298ad34c138c446fdc7c4144ba9a68fff5.exe
    "C:\Users\Admin\AppData\Local\Temp\071dc8716c274c05bbebc4900432b8298ad34c138c446fdc7c4144ba9a68fff5.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5168
    • C:\Users\Admin\AppData\Roaming\app.exe
      "C:\Users\Admin\AppData\Roaming\app.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4784
      • C:\Users\Admin\AppData\Roaming\app.exe
        "C:\Users\Admin\AppData\Roaming\app.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2548
      • C:\Users\Admin\AppData\Roaming\My.RawFile.exe
        "C:\Users\Admin\AppData\Roaming\My.RawFile.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:5984
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5224
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\aspnet_compiler.exe.log

    Filesize

    20B

    MD5

    b3ac9d09e3a47d5fd00c37e075a70ecb

    SHA1

    ad14e6d0e07b00bd10d77a06d68841b20675680b

    SHA256

    7a23c6e7ccd8811ecdf038d3a89d5c7d68ed37324bae2d4954125d9128fa9432

    SHA512

    09b609ee1061205aa45b3c954efc6c1a03c8fd6b3011ff88cf2c060e19b1d7fd51ee0cb9d02a39310125f3a66aa0146261bdee3d804f472034df711bc942e316

  • C:\Users\Admin\AppData\Roaming\My.RawFile.exe

    Filesize

    142KB

    MD5

    5a733ef0de5e31e2e4b4abb016c0f251

    SHA1

    28644040a6deac35c20fa931b5d003a97293363e

    SHA256

    a80c77ca694eca3f6629c54572aba811e64b61975c5db2ff38c8d662d12b1ce7

    SHA512

    9d09ac6b6a560643cac08345ab6ef8578011b11be7d4821d7aa1b3d76f2801d30cb4d206a4ff9335f0ece5cfa2ec8258754b2481102eac3da064e5005f7ffba9

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

    Filesize

    1.0MB

    MD5

    40cb4e540fdaa394b248c7952f4602ef

    SHA1

    95e2a564f893c8f58073208958c6acb5dce47d58

    SHA256

    3d294c2e74d656fcf4a3fba42648c02819439320b5909edc75de914f4372009c

    SHA512

    26af97f473680a062b68d7d7a60fd6ee6338bce6e0e170b1e7508a637b78c7111ac619564741cb46950815981bbd251403be55c475685131bde436270fce0102

  • memory/2548-63-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-62-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-38-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-37-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/2548-36-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/3612-54-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/4784-39-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-58-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-61-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-32-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-33-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/4784-34-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/5168-19-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/5168-18-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/5168-17-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/5168-0-0x00000000753D2000-0x00000000753D3000-memory.dmp

    Filesize

    4KB

  • memory/5168-16-0x00000000753D2000-0x00000000753D3000-memory.dmp

    Filesize

    4KB

  • memory/5168-4-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/5168-3-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/5168-30-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/5168-31-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/5168-2-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/5168-1-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB