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 01:14

General

  • Target

    57f80f312bf90b1486ed100a9fabaac58762fd7f82ae720ac66fa9f1b72e048b.exe

  • Size

    713KB

  • MD5

    cad43eafd4abd919680eb7df5d0aa41b

  • SHA1

    65693d658a91410871ab7f5902ef52efa88f46de

  • SHA256

    57f80f312bf90b1486ed100a9fabaac58762fd7f82ae720ac66fa9f1b72e048b

  • SHA512

    fdde3b81be3166f191c12ac4231be07edeb936d258a26b8fc3a60b9280b1c595a6f94d442bc9ac6a862dda60f88226265b657901dc7e44a0d5682fb22646502d

  • SSDEEP

    6144:WWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1vbAv:Wz7IFjvelQypyfy7z6u7+4DvbAv

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\57f80f312bf90b1486ed100a9fabaac58762fd7f82ae720ac66fa9f1b72e048b.exe
    "C:\Users\Admin\AppData\Local\Temp\57f80f312bf90b1486ed100a9fabaac58762fd7f82ae720ac66fa9f1b72e048b.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:2716
    • 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:2680
      • 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:3024
      • 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:2552
      • 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:1592
      • 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:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    a744cae2249be13632e915ec1a417896

    SHA1

    95c89397595e32d583aebfb8f3d0a7943d617f80

    SHA256

    033b165c8708a3c19d7939de207f527d811b8ace4993f5118d5071b1b2f492e3

    SHA512

    b47c34a6a0e63e7c65b452f90ed2c29a7988017c5f9026f77b747d58ddae31ffa400245a429a8fce6f0b9da750b877343f8ae4e6481a6d88646cbc76ffbddc2a

  • C:\Users\Admin\AppData\Local\Temp\Cab2433.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar3238.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    719KB

    MD5

    79fbcd4991561ed3261b5258467e9a54

    SHA1

    fa8422c2cae2879fc5088f2c8ce86c060f35c8fe

    SHA256

    403ce71ef3d23f32aab2442ed75052a2deac8497de9f6c6984a92406ef48fa54

    SHA512

    46a1cb17c4386b7417914907b96a7843c3e62e4e74d35c3a49909a07168b66e8a1aefe1ffc45c7c71a8935edf40ba9d6740990830b14dfa8d0a7750947b925e2

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

    Filesize

    142KB

    MD5

    5a733ef0de5e31e2e4b4abb016c0f251

    SHA1

    28644040a6deac35c20fa931b5d003a97293363e

    SHA256

    a80c77ca694eca3f6629c54572aba811e64b61975c5db2ff38c8d662d12b1ce7

    SHA512

    9d09ac6b6a560643cac08345ab6ef8578011b11be7d4821d7aa1b3d76f2801d30cb4d206a4ff9335f0ece5cfa2ec8258754b2481102eac3da064e5005f7ffba9

  • memory/1592-70-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1592-74-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1592-75-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1592-72-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1592-68-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1592-76-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1592-77-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1592-66-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2680-43-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-44-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-41-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-42-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-40-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-90-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-93-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-0-0x0000000074D11000-0x0000000074D12000-memory.dmp

    Filesize

    4KB

  • memory/2716-31-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-24-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-12-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-11-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2716-8-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB