Analysis

  • max time kernel
    299s
  • max time network
    295s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 02:14

General

  • Target

    19561b33793dcb865eae56575a899ce8_kovter_from_Sakura82_taskmanger.exe

  • Size

    119KB

  • MD5

    19561b33793dcb865eae56575a899ce8

  • SHA1

    aeff444147fb35adbdf4faed6b5c4bd385b1d98c

  • SHA256

    d625fcec98e282032f550ba80f60de2603adc9f18dd6ae597defda9df5200bd2

  • SHA512

    c1ddaafcd3b8623f446acec01afe763e765e3abf930fe258e6cb728f6c2f68c1cf3c966f12473267628c4d8613b74c68c5369e03a5bbbc3c9db4c0584da0fad1

  • SSDEEP

    3072:TphxjSC0KVR9sr6NuO4pTMq5tWkLgQ3+jOJgg3gv/5f6XKk6+/F:Tp7jYKV8+Nhud5dLgDyggE5sKo

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modiloader family
  • ModiLoader Second Stage 24 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 32 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\19561b33793dcb865eae56575a899ce8_kovter_from_Sakura82_taskmanger.exe
    "C:\Users\Admin\AppData\Local\Temp\19561b33793dcb865eae56575a899ce8_kovter_from_Sakura82_taskmanger.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Windows\SysWOW64\svchost.exe
      path<<C:\Users\Admin\AppData\Local\Temp\19561b33793dcb865eae56575a899ce8_kovter_from_Sakura82_taskmanger.exe>>path
      2⤵
      • Modifies WinLogon for persistence
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Deletes itself
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:2408
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x4b0
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2712

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

    24c86959186c21d525f80fe4e0bc4b6a

    SHA1

    57f20ad834745bb54242b27cc71d3e015c2e0879

    SHA256

    36def945b7060f4bc287595468790c8eba36eb506b7b9bb2d53d6bc0eb248172

    SHA512

    c40c7f626522f7c836a033fb9b6bd200bd0bc14c1546ac9649d4e7a2f8e96d72703c3f22f19f8656bb05df1e7b72b95a74355ec46f8a734cbd52c8511ad8bf06

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    12868648da207468a927bedddcb972cd

    SHA1

    66d192a92a8486e6d074c6fddd26efef5fcf88e4

    SHA256

    82abfd6e10c0d6f729607c574ecf98d2783dbfa953c22d4a99e41671695a3cbb

    SHA512

    67baa4128ecbdfe9d9fb7578b26d9e0c1952b317e810035110224209907f3cf10fdc6dda9e1c288b3388313d65fda7b1e4c2639ffdccdf6b5320838391fcdc07

  • C:\Users\Admin\AppData\Local\KB9175826\KB9175826.exe

    Filesize

    119KB

    MD5

    19561b33793dcb865eae56575a899ce8

    SHA1

    aeff444147fb35adbdf4faed6b5c4bd385b1d98c

    SHA256

    d625fcec98e282032f550ba80f60de2603adc9f18dd6ae597defda9df5200bd2

    SHA512

    c1ddaafcd3b8623f446acec01afe763e765e3abf930fe258e6cb728f6c2f68c1cf3c966f12473267628c4d8613b74c68c5369e03a5bbbc3c9db4c0584da0fad1

  • C:\Users\Admin\AppData\Local\Temp\Cab8B12.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar8BA2.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1076-10-0x0000000000423000-0x0000000000436000-memory.dmp

    Filesize

    76KB

  • memory/1076-1-0x0000000000220000-0x0000000000226000-memory.dmp

    Filesize

    24KB

  • memory/1076-2-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/1076-5-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/1076-4-0x0000000000423000-0x0000000000436000-memory.dmp

    Filesize

    76KB

  • memory/1076-9-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/1076-0-0x0000000000400000-0x0000000000521000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-27-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-55-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-7-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-21-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-8-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-26-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-11-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-28-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-32-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-37-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-41-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-45-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-49-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-17-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-58-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-112-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-113-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-114-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-122-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-125-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-14-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-19-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-18-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-13-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-243-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-245-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB

  • memory/2408-248-0x0000000000EE0000-0x0000000001001000-memory.dmp

    Filesize

    1.1MB