Analysis

  • max time kernel
    148s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    18-10-2024 04:01

General

  • Target

    e2e80b0741c2d200a8225fe4fa63baf39f32316ddf709822b3dfd4cf3e411c7d.exe

  • Size

    88KB

  • MD5

    3354ada9a255b76ec79474e6f3ccd42f

  • SHA1

    85a9fcc5b96b71868e84541dca479347ad1efe30

  • SHA256

    e2e80b0741c2d200a8225fe4fa63baf39f32316ddf709822b3dfd4cf3e411c7d

  • SHA512

    0c572608d58e9496b656f3988e92c445ea70bc0c15880d4b421348b399361829ae79bacf7d38b860cea4d9f55d8d59a1d83c65b9e5182c618f2ac3b3e67e206f

  • SSDEEP

    1536:ahUDofByDJWbMGcEFLPEPKOJUsy1+VMA:aIofBHbKMP0PvMA

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e2e80b0741c2d200a8225fe4fa63baf39f32316ddf709822b3dfd4cf3e411c7d.exe
    "C:\Users\Admin\AppData\Local\Temp\e2e80b0741c2d200a8225fe4fa63baf39f32316ddf709822b3dfd4cf3e411c7d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Users\Admin\AppData\Local\Temp\e2e80b0741c2d200a8225fe4fa63baf39f32316ddf709822b3dfd4cf3e411c7d.exe
      "C:\Users\Admin\AppData\Local\Temp\e2e80b0741c2d200a8225fe4fa63baf39f32316ddf709822b3dfd4cf3e411c7d.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:668
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BMROC.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:536
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Video Driver" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\config\explorer.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2416
      • C:\Users\Admin\AppData\Roaming\config\explorer.exe
        "C:\Users\Admin\AppData\Roaming\config\explorer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1932
        • C:\Users\Admin\AppData\Roaming\config\explorer.exe
          "C:\Users\Admin\AppData\Roaming\config\explorer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1672
        • C:\Users\Admin\AppData\Roaming\config\explorer.exe
          "C:\Users\Admin\AppData\Roaming\config\explorer.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2904
          • C:\Users\Admin\AppData\Roaming\config\explorer.exe
            "C:\Users\Admin\AppData\Roaming\config\explorer.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Modifies system certificate store
            PID:2472

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

    b64577a73095fc404ab5304864700f03

    SHA1

    965ae96e4d2f0443c2c94ea885120774dda4f3e8

    SHA256

    29b2e7f948d70e3e1f4a07995c3c42fa13872e8c3aba1a30e7685f494be6604d

    SHA512

    b5805534de2487e267e90d17b4556bc7060c8094f04fad348788eb137dac7848e3b627a40a44f17442c575df89a2625ed82e12827785b9ef522720860f9ef354

  • C:\Users\Admin\AppData\Local\Temp\BMROC.bat

    Filesize

    149B

    MD5

    fc1798b7c7938454220fda837a76f354

    SHA1

    b232912930b2bc24ff18bf7ecd58f872bbe01ea0

    SHA256

    7f0a5917b5aca9c5beb153aad0ef95bf0aeafb83768da5b086c3f029ba42d7c8

    SHA512

    d1abdd45a8e5d33893b9d19424174a07feed145d2e6b4be318ab5fde503f850579a4a101a010f30e16ecde2c7123f45357a8341214655321ee0f0097ca911331

  • C:\Users\Admin\AppData\Local\Temp\Cab179.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar19B.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Roaming\config\explorer.exe

    Filesize

    88KB

    MD5

    87e1958b37a0dc5a4ea3716f786bc082

    SHA1

    65e6400331ee7d35d847d34b32f4c054ccf0f53a

    SHA256

    cfec14f03ac175c9cdedf61feb2f212c4cb09bc13d1bc33c31fadd3ce970df92

    SHA512

    fadc43ca645f80dc8b9612e9a36eb272bb13e0e3ab7f8538393b0affee38df50f5819250ce76b59799b97f9522298b99e6ec57037ca4584873fb756eaa922447

  • memory/668-144-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/668-318-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/668-138-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/668-136-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/668-134-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/668-140-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/668-143-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/668-142-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1672-306-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1672-467-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2572-80-0x00000000005E0000-0x00000000005E1000-memory.dmp

    Filesize

    4KB

  • memory/2572-133-0x0000000002520000-0x0000000002521000-memory.dmp

    Filesize

    4KB

  • memory/2572-114-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2572-99-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2572-2-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2572-89-0x0000000000810000-0x0000000000811000-memory.dmp

    Filesize

    4KB

  • memory/2572-98-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2572-73-0x00000000005D0000-0x00000000005D1000-memory.dmp

    Filesize

    4KB

  • memory/2572-42-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2572-48-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/2572-43-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2904-313-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2904-331-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB