Analysis

  • max time kernel
    150s
  • max time network
    146s
  • 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, 06:13

General

  • Target

    7a78d3faa8bb1e60b3300959a55559c0.exe

  • Size

    568KB

  • MD5

    7a78d3faa8bb1e60b3300959a55559c0

  • SHA1

    62d2bccbe2668f8286c3e39b786891df3c31b2ee

  • SHA256

    b68793e923fc0ceeef6836e8af6e3a26b75546c7f37ca8e7711f699a3af1ee51

  • SHA512

    1ca46bc1eb1b124b093f4f3af46922c3770fd86a1422b44e0cd72262acd0e42cca5d534d77593d9ecf7039827f4b68ec81806a09121bda33f24f7428ccd2bb2b

  • SSDEEP

    6144:4tT/Yq3v9Auky+4dusAIFB++velibxPyp/64wjOjn6cB3rB:s6u7+487IFjvelQypyfy7B

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\7a78d3faa8bb1e60b3300959a55559c0.exe
    "C:\Users\Admin\AppData\Local\Temp\7a78d3faa8bb1e60b3300959a55559c0.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:3616
    • 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:1568
      • 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:3324
      • 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:3392
      • 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:4708
      • 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:5484

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

    577KB

    MD5

    5a8fe972ae9a9a1594a37f1be71a8e4c

    SHA1

    7656ae62ebc673045965ccd89c10164f7e57e165

    SHA256

    0d265c310443cfef52656e45f6623c859eba4c31e6c7b88fda33f0fb0dae7b35

    SHA512

    fa9f2fdc18299ea96882781a2f33225043174b8449167c61fa32f15d3aa541dbac8031b84d0e950aee76b74b2f25706cd59a6f6e11f95b8ba71d0e2bf1f45a71

  • memory/1568-34-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/1568-62-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/1568-59-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/1568-40-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/1568-33-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/1568-32-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/1568-35-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3324-39-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3324-64-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3324-63-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3324-37-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3324-38-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3616-31-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3616-0-0x0000000075012000-0x0000000075013000-memory.dmp

    Filesize

    4KB

  • memory/3616-6-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3616-2-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3616-1-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3616-5-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3616-20-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3616-19-0x0000000075010000-0x00000000755C1000-memory.dmp

    Filesize

    5.7MB

  • memory/3616-18-0x0000000075012000-0x0000000075013000-memory.dmp

    Filesize

    4KB

  • memory/4708-55-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB