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Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/01/2025, 01:35

General

  • Target

    c8edf13217854a9ce32385b739b52f5aa6519905a34b0e474718deb7fbe90341.exe

  • Size

    642KB

  • MD5

    d4f325f7f7da02b3ae07f713eefbd8ae

  • SHA1

    bd7e223041bd1262ff6a462e00f94a0e7561bd7c

  • SHA256

    c8edf13217854a9ce32385b739b52f5aa6519905a34b0e474718deb7fbe90341

  • SHA512

    6af21f37c52088f49fbea3525614390e9ef43008571c81c345bb86c6eb739ba87ecca48100cacb96ec7c29fb8625c6d08f34957ff6a174c44cd498239ae1d971

  • SSDEEP

    6144:kWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N137Byy:kz7IFjvelQypyfy7z6u7+4D37Byy

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\c8edf13217854a9ce32385b739b52f5aa6519905a34b0e474718deb7fbe90341.exe
    "C:\Users\Admin\AppData\Local\Temp\c8edf13217854a9ce32385b739b52f5aa6519905a34b0e474718deb7fbe90341.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:2168
    • 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:2576
      • 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:1028
      • 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:1320
      • 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:1548
      • 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:2296

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

    7f6bff4d9215779a44cdf91e6c450f53

    SHA1

    2008cf9a6e3220d4ff2f0748b6475da93bb90d57

    SHA256

    01bda1d2268c2ee5b680a0b037ef3cae08c01098759eef5b71ebcf7de204b776

    SHA512

    a8dbad76329fa625abf4bb4c8a6f6032539f1e263c0442a54a4f14435ca5c701c80436d23d38a21b3be0284dd92152d89c00ab169704e830f37563ee0fb5e6e9

  • C:\Users\Admin\AppData\Local\Temp\Cab1371.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar24C1.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    648KB

    MD5

    cf22a6bb996e3972acea5380b2609824

    SHA1

    dfdb3fde3006c8e9f770071129813bf801d77f52

    SHA256

    f6848cba53a2f63dae52aac9a843872e0a0540e6be36bdf1ed6a9357ca510078

    SHA512

    001a18c87a16174281ac68a6bf81da8c5a4fcb8eb1d5228fcd0b17eef1098cd0e9c18da6970b5a2112e332e3678ea47d2873841c32c3877d64ece4db19b4a9e5

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

    Filesize

    142KB

    MD5

    5a733ef0de5e31e2e4b4abb016c0f251

    SHA1

    28644040a6deac35c20fa931b5d003a97293363e

    SHA256

    a80c77ca694eca3f6629c54572aba811e64b61975c5db2ff38c8d662d12b1ce7

    SHA512

    9d09ac6b6a560643cac08345ab6ef8578011b11be7d4821d7aa1b3d76f2801d30cb4d206a4ff9335f0ece5cfa2ec8258754b2481102eac3da064e5005f7ffba9

  • memory/1548-69-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1548-76-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1548-77-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1548-78-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1548-67-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1548-71-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1548-73-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1548-75-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2168-10-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2168-13-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2168-32-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2168-25-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2168-11-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2168-0-0x0000000074621000-0x0000000074622000-memory.dmp

    Filesize

    4KB

  • memory/2168-12-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2576-44-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2576-43-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2576-33-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2576-34-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2576-54-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2576-91-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2576-94-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2576-95-0x0000000074620000-0x0000000074BCB000-memory.dmp

    Filesize

    5.7MB