Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-01-2025 01:39

General

  • Target

    8b93ca9fb6445b74b0f616ee70a8d8c3888c9e4b8e2c0c1dbbab083208927afb.exe

  • Size

    729KB

  • MD5

    f3399cb8b439e82e45f299b7bbd46f44

  • SHA1

    4938689820a0e0013883fd66b577f59c47125150

  • SHA256

    8b93ca9fb6445b74b0f616ee70a8d8c3888c9e4b8e2c0c1dbbab083208927afb

  • SHA512

    30045b4bda05130917e3c31bb4c8f3e36c3254eef92ffee63248f4af06da117a3af686370fed8252405c43ff7de8fcec171709b886db04ca518ef4346ba5586b

  • SSDEEP

    6144:QWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1v9DI:Qz7IFjvelQypyfy7z6u7+4Dv9DI

Malware Config

Extracted

Credentials

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

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 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 30 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b93ca9fb6445b74b0f616ee70a8d8c3888c9e4b8e2c0c1dbbab083208927afb.exe
    "C:\Users\Admin\AppData\Local\Temp\8b93ca9fb6445b74b0f616ee70a8d8c3888c9e4b8e2c0c1dbbab083208927afb.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1868
    • C:\Users\Admin\AppData\Roaming\app.exe
      "C:\Users\Admin\AppData\Roaming\app.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2728
      • 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:2544
      • 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:1828
      • 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:2732
      • 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:2840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    1bf46c06ad942e27738a30548ff7e86b

    SHA1

    a08b2829e2a2bd799a291125ec1f807d84aace42

    SHA256

    8bc7e7390aa057b1649b2fabd59fac6976cc3ec94d6462ae64319ddacf55e027

    SHA512

    746b656a7e41580b3d4e57ef4e806bde2910a4586c6a99ce1106ed92f5c32bc6203ecd18800cde31d34f630f91cf602daee7d659abe620aec19478160e22d1e1

  • C:\Users\Admin\AppData\Local\Temp\Cab9FB9.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    142KB

    MD5

    5a733ef0de5e31e2e4b4abb016c0f251

    SHA1

    28644040a6deac35c20fa931b5d003a97293363e

    SHA256

    a80c77ca694eca3f6629c54572aba811e64b61975c5db2ff38c8d662d12b1ce7

    SHA512

    9d09ac6b6a560643cac08345ab6ef8578011b11be7d4821d7aa1b3d76f2801d30cb4d206a4ff9335f0ece5cfa2ec8258754b2481102eac3da064e5005f7ffba9

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

    Filesize

    735KB

    MD5

    cdd8355a0cbad6a103a594c003401531

    SHA1

    df7cd82eabf1f01ce1e724691fd085d4f04e392c

    SHA256

    efbb5ee0e9c2dce8a6e5542701ef16ac961b5bed1f43ce60fdf768aad21b073b

    SHA512

    0b731e3c129f652d9026846fe1a3b1bb3d8d9c5b476c1131f0901729a1b5a301f6ab4f6ee30fa32215ca2591fabdec7953b7734bdb3d11fa9151d7af65bf2d08

  • memory/1868-0-0x0000000074421000-0x0000000074422000-memory.dmp

    Filesize

    4KB

  • memory/1868-1-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1868-2-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1868-12-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1868-13-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1868-25-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1868-32-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2728-43-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2728-42-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2728-33-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2728-93-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2728-92-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2728-89-0x0000000074420000-0x00000000749CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2732-73-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2732-71-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2732-74-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2732-65-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2840-85-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2840-81-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2840-79-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2840-87-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2840-88-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB