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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
    17/01/2025, 01:09

General

  • Target

    d5a4fa1fd6bb8be292a1aa5d88c4ed1f35052d47277dba2c6edba87891971462.exe

  • Size

    663KB

  • MD5

    99aeb2bd221f1002d08f9b226bf5063f

  • SHA1

    3e9e671f3115c062920e4cbe7185ba879877f39b

  • SHA256

    d5a4fa1fd6bb8be292a1aa5d88c4ed1f35052d47277dba2c6edba87891971462

  • SHA512

    4a782bccfdd66b9d3c5b3760bfe8faa93970235c9fe9aa22a7d565ab5d7f411d80ad6b6400a15320700d038605cddce5a2dadc95a3d6f87419297b928627eca9

  • SSDEEP

    6144:RWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N137Am/v1:Rz7IFjvelQypyfy7z6u7+4D37Am/v1

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\d5a4fa1fd6bb8be292a1aa5d88c4ed1f35052d47277dba2c6edba87891971462.exe
    "C:\Users\Admin\AppData\Local\Temp\d5a4fa1fd6bb8be292a1aa5d88c4ed1f35052d47277dba2c6edba87891971462.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:296
    • 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:2228
      • 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:2064
      • 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:648
      • 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:852
      • 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:772

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

    9d890180647b8c0ac4c944f8188a193a

    SHA1

    e7504a4aa6f92263f18ac6a3c7078c5678e85c69

    SHA256

    26852e2e5f213af887ba43c6005bc16ee2142910b6a50ab4ad8ecc95e70d7ed2

    SHA512

    6b798de2d818d3c65902296835a77f818df748c990fbaa5a51c47be13d9b7271407832c58914c0ea8db7bb3bea0aa51440320bd3e2b0c6f11465a36f903d56f2

  • C:\Users\Admin\AppData\Local\Temp\Cab4624.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar5468.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

    669KB

    MD5

    73d17b97c3e921d013b2b0b1eca31758

    SHA1

    ce8631a1e39ee85242aac8535425b33be6fdb5b3

    SHA256

    fb681539dea403480b6a038b24b9aba6d63a897715993abfa281d74ea4d5b642

    SHA512

    11ee89d38c1b8cf0a771791de5e4fb2d303f8055945126df3b2de8e7ebe073bfca306b264a1a9219e0a3f97880a0bd2b123aa3aa8ed343f163fac04b27db241e

  • memory/296-12-0x0000000074280000-0x000000007482B000-memory.dmp

    Filesize

    5.7MB

  • memory/296-29-0x0000000074280000-0x000000007482B000-memory.dmp

    Filesize

    5.7MB

  • memory/296-24-0x0000000074280000-0x000000007482B000-memory.dmp

    Filesize

    5.7MB

  • memory/296-0-0x0000000074281000-0x0000000074282000-memory.dmp

    Filesize

    4KB

  • memory/296-11-0x0000000074280000-0x000000007482B000-memory.dmp

    Filesize

    5.7MB

  • memory/296-1-0x0000000074280000-0x000000007482B000-memory.dmp

    Filesize

    5.7MB

  • memory/772-94-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/772-93-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/772-91-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/772-92-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/852-69-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/852-82-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/852-79-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/852-75-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/852-73-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/852-71-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/852-65-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/852-67-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2228-42-0x0000000074280000-0x000000007482B000-memory.dmp

    Filesize

    5.7MB

  • memory/2228-43-0x0000000074280000-0x000000007482B000-memory.dmp

    Filesize

    5.7MB

  • memory/2228-32-0x0000000074280000-0x000000007482B000-memory.dmp

    Filesize

    5.7MB

  • memory/2228-33-0x0000000074280000-0x000000007482B000-memory.dmp

    Filesize

    5.7MB

  • memory/2228-95-0x0000000074280000-0x000000007482B000-memory.dmp

    Filesize

    5.7MB

  • memory/2228-98-0x0000000074280000-0x000000007482B000-memory.dmp

    Filesize

    5.7MB

  • memory/2228-99-0x0000000074280000-0x000000007482B000-memory.dmp

    Filesize

    5.7MB