Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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, 06:33

General

  • Target

    5b286cfa6293d55ebb9adf9591836714279b8032e91bd9794f1f37c02fa50321.exe

  • Size

    995KB

  • MD5

    f00a98571c214d4b1fb70767f7f04bc7

  • SHA1

    e7be37ce959fc754d9d7207589d405ef36a5c288

  • SHA256

    5b286cfa6293d55ebb9adf9591836714279b8032e91bd9794f1f37c02fa50321

  • SHA512

    5c0165ef585b43ac5b04189adad008700b7d0d835f6db0488a4cde4d08bbe7cb436f55f60556fd149c66e2b2336a7ebc43eedc67825eb8a6dd90c18a21ed28b5

  • SSDEEP

    6144:HWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1vbMM/c511:Hz7IFjvelQypyfy7z6u7+4DvbMM/c511

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\5b286cfa6293d55ebb9adf9591836714279b8032e91bd9794f1f37c02fa50321.exe
    "C:\Users\Admin\AppData\Local\Temp\5b286cfa6293d55ebb9adf9591836714279b8032e91bd9794f1f37c02fa50321.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:5516
    • 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:3404
      • 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:860
      • 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:5964
      • 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:4172
      • 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:4440

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

    1004KB

    MD5

    33519595ece9aea5a6f9b8415dc80dca

    SHA1

    09e4ecfcd2dc5c9960273e7fef8196fbc241cc3b

    SHA256

    e9741d953e032eded6fd8e5b68b3827e5deeb361be8e659b20d545c8edfcc335

    SHA512

    0f210c0fba94de389c4e17ba7962439dffddd419647f11af440b444a7d9e099f622edf4988a9ad3045e5cdd70fb56b7047918d43e13dcddbed201be4aca00b6f

  • memory/860-62-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/860-61-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/860-38-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/860-37-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/860-36-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3404-39-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3404-60-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3404-31-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3404-32-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3404-34-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3404-33-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/4172-54-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/5516-16-0x0000000074802000-0x0000000074803000-memory.dmp

    Filesize

    4KB

  • memory/5516-17-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/5516-19-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/5516-0-0x0000000074802000-0x0000000074803000-memory.dmp

    Filesize

    4KB

  • memory/5516-4-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/5516-18-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/5516-3-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/5516-30-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/5516-2-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB

  • memory/5516-1-0x0000000074800000-0x0000000074DB1000-memory.dmp

    Filesize

    5.7MB