Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:08

General

  • Target

    23ff6ba14d3b8f4e26b767c0e34e371c9c3ebbd812a6ffcdda48d83582c2d591.exe

  • Size

    771KB

  • MD5

    949facd81347ec29747c2adfa6bb23e1

  • SHA1

    2d223fc2e830ea101e18306a06edb1f9b0b4a637

  • SHA256

    23ff6ba14d3b8f4e26b767c0e34e371c9c3ebbd812a6ffcdda48d83582c2d591

  • SHA512

    6dffa3be76f6b2fae9a8da26d392c4a7754e023bd8da993a45944da977e4b637abbf979cf10a9878d2867f2d0b4f1ff6c488671a45d64006b82dfcb348becfeb

  • SSDEEP

    6144:ntT/Yq3v9Auky+4dusAIFB++velibxPyp/64wjOjn6cB3rcnKq:h6u7+487IFjvelQypyfy7cnKq

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\23ff6ba14d3b8f4e26b767c0e34e371c9c3ebbd812a6ffcdda48d83582c2d591.exe
    "C:\Users\Admin\AppData\Local\Temp\23ff6ba14d3b8f4e26b767c0e34e371c9c3ebbd812a6ffcdda48d83582c2d591.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:1484
    • 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:2896
      • 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:2924
      • 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:2456
      • 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:1920
      • 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:3032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab2FD.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar1288.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    142KB

    MD5

    5a733ef0de5e31e2e4b4abb016c0f251

    SHA1

    28644040a6deac35c20fa931b5d003a97293363e

    SHA256

    a80c77ca694eca3f6629c54572aba811e64b61975c5db2ff38c8d662d12b1ce7

    SHA512

    9d09ac6b6a560643cac08345ab6ef8578011b11be7d4821d7aa1b3d76f2801d30cb4d206a4ff9335f0ece5cfa2ec8258754b2481102eac3da064e5005f7ffba9

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

    Filesize

    777KB

    MD5

    69665066cfeccf114fe99ea59e603235

    SHA1

    9c7677f6c67abad4f7cc4fdd514ad7f849fa66cc

    SHA256

    2df21b96080f9ccd0d5cd79f32b450336666beedbb58eeb0f46b88f7d1d2aa80

    SHA512

    537f8bfad4e0d2b8cbd4ad987664f78056c8d1500eb509612ed1582a635577d1fcd155a8f734990ba7d95e2302e1a78d467b367c4f3cdc9d00a2cc2cd955a68b

  • memory/1484-11-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/1484-2-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/1484-24-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/1484-0-0x0000000074C41000-0x0000000074C42000-memory.dmp

    Filesize

    4KB

  • memory/1484-31-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/1484-1-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/1484-10-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/1484-23-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/1920-85-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2896-33-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2896-42-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2896-32-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2896-41-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2896-94-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2896-93-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2896-90-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2896-89-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/2896-62-0x0000000074C40000-0x00000000751EB000-memory.dmp

    Filesize

    5.7MB

  • memory/3032-76-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3032-65-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3032-67-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3032-69-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3032-71-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3032-73-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3032-74-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3032-75-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB