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Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2025, 08:56

General

  • Target

    792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe

  • Size

    994KB

  • MD5

    f751a2295024cb156e021fee9c86df40

  • SHA1

    a0cee6ec85b8a3d13e002a42424a7076748dff20

  • SHA256

    792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8c

  • SHA512

    38dafa748a3d9b14a070f63b100975702012cdcf78d83d12af6e2bf0eb809b98ed1be5926c836dafb433bc1df22fdeb0f6f79017dda2fbdccdf08df8733c9f30

  • SSDEEP

    24576:+MjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxe:7J5gEKNikf3hBfUiWxe

Malware Config

Signatures

  • Ammyy Admin

    Remote admin tool with various capabilities.

  • AmmyyAdmin payload 1 IoCs
  • Ammyyadmin family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 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 2 IoCs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe
    "C:\Users\Admin\AppData\Local\Temp\792073e71988f07d1c352ccc9c5c96a89459e5af2c935202abe1ca423cc80f8cN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Users\Admin\AppData\Local\Temp\budha.exe
      "C:\Users\Admin\AppData\Local\Temp\budha.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabEF41.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarEF63.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\budha.exe

    Filesize

    995KB

    MD5

    d47c1c65f2260a357cc834c4150a9e09

    SHA1

    7a64d7974a5c5682cfa265d1c8e7442001ea2ded

    SHA256

    0de37722827109ab756f8d6b02a059b652b5dd00832e06d476ed500bfcc6e72e

    SHA512

    a239eb0dc9b40a31d7df77fd95500f50b3fd9fe9a325ea32542f6c49498501e213e1573ecc858617bb2a2117d3452205ceab37a01d645c9630fa21a83be22a83

  • memory/2084-0-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2084-1-0x0000000001E10000-0x0000000001E11000-memory.dmp

    Filesize

    4KB

  • memory/2084-3-0x0000000002B70000-0x0000000002F70000-memory.dmp

    Filesize

    4.0MB

  • memory/2084-10-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2084-8-0x0000000003360000-0x0000000003370000-memory.dmp

    Filesize

    64KB

  • memory/3064-11-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/3064-14-0x0000000002AF0000-0x0000000002EF0000-memory.dmp

    Filesize

    4.0MB

  • memory/3064-13-0x0000000001F30000-0x0000000001F31000-memory.dmp

    Filesize

    4KB

  • memory/3064-49-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB