Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:11

General

  • Target

    5fb355ac6b26e9e1c1ccd07879918440f4ecd70fb341dafb8419acddbfe0a933.exe

  • Size

    1.1MB

  • MD5

    e19098a4c57ef44739d98eba8287775a

  • SHA1

    7ec472dca2ba9b6c3976f314ba869834d1972d41

  • SHA256

    5fb355ac6b26e9e1c1ccd07879918440f4ecd70fb341dafb8419acddbfe0a933

  • SHA512

    8eb9f5c8bded5f4a7f97f7a415777f1e99dc8c92829ba45f7b55d0677bb271ac8397904944e859cfe30d9fa1cd17ba906e81faecce215409468e83098b31d2cd

  • SSDEEP

    12288:jz7IFjvelQypyfy7z6u7+4DvbMUsIGoY2hn:jz0FfMz6TEbMUskLn

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\5fb355ac6b26e9e1c1ccd07879918440f4ecd70fb341dafb8419acddbfe0a933.exe
    "C:\Users\Admin\AppData\Local\Temp\5fb355ac6b26e9e1c1ccd07879918440f4ecd70fb341dafb8419acddbfe0a933.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:2692
    • 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:2788
      • 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:2128
      • 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:1168
      • 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:1860
      • 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:2756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    6f826bd1c70bf0d7a6c399b73b51be0b

    SHA1

    d93a22300d82d3feccd6d2584b5dbb2c37860434

    SHA256

    0819224d09558cecd1ccea243f06086f250e12e94c3dfbc8277ce3ada1e39921

    SHA512

    8ae28cc5086b3e48bad8587731be9e47e9a8daba63a59d571cd518b80715d94eff9336734e27fff8a4ee3bcc4c37fd2006533aa3cefefbd2b846a12327d6a221

  • C:\Users\Admin\AppData\Local\Temp\Cab8288.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar90FA.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

    1.1MB

    MD5

    b71e5986c042b6340d1d9da180556abc

    SHA1

    57d63f724ace253a63804ef6e6044f144db7b838

    SHA256

    33808551564f0c0b91f17a8acff8ae15c62d1abdfe291a2592f74637370e86b7

    SHA512

    b4f28d5a829e36afdeeb6f49cd2fbb5cfab39944f71085ab4a5cab5e75b6e2ea5ad2a96042de42eb38822b44babfaf5015a399620466e64ff9fb8a8971f98a4a

  • memory/2692-1-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2692-11-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2692-12-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2692-24-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2692-0-0x00000000745B1000-0x00000000745B2000-memory.dmp

    Filesize

    4KB

  • memory/2692-31-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-67-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2756-76-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2756-75-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2756-72-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2756-71-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2756-69-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2756-65-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2756-63-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2788-41-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-32-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-88-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-87-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2788-91-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB