Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    12-08-2024 21:50

General

  • Target

    744b8b6be56fd19f91c2855251f7e03f04842fad14d1070cad9cd3aa3e14561c.exe

  • Size

    995KB

  • MD5

    9a29b9313c28c155be35fdef41858034

  • SHA1

    28598ff9830ebc4fb51aa68d997deef1aa879038

  • SHA256

    744b8b6be56fd19f91c2855251f7e03f04842fad14d1070cad9cd3aa3e14561c

  • SHA512

    bd6fa2a6300cd287ac33676f66cd0dc668d4406a2d35b2ddbe87458f3edf18bdfd560cabe073a3203f4832d290aebee874aa9d5fb7caf19936fe1142d802dab7

  • SSDEEP

    24576:rMjPJ5g9KVGrdNikfu2hBfK8ilRty5olGJsxv:mJ5gEKNikf3hBfUiWxv

Malware Config

Signatures

  • Ammyy Admin

    Remote admin tool with various capabilities.

  • AmmyyAdmin payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 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\744b8b6be56fd19f91c2855251f7e03f04842fad14d1070cad9cd3aa3e14561c.exe
    "C:\Users\Admin\AppData\Local\Temp\744b8b6be56fd19f91c2855251f7e03f04842fad14d1070cad9cd3aa3e14561c.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:708
    • 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:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab19BA.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar1A1B.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    996KB

    MD5

    33241c6a58104aad1c714f119434a2ac

    SHA1

    4483f31515cfa8b70f80ca7adfb041a630620443

    SHA256

    6aa8e6a5fe888fe6bd3e3de33c970d6ca2e65d69eafa983f5db7c82717e3627e

    SHA512

    8186fcea5d4e24a75c85bab9085b907e5c8aea3f091636acc63e0bf190ee9f8ed1c548b7fdfa793c431e64ebf8ca86f749d3b863a01451dd88d5d426b047a6ec

  • memory/708-0-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB

  • memory/708-1-0x0000000001E20000-0x0000000001E21000-memory.dmp

    Filesize

    4KB

  • memory/708-3-0x0000000002710000-0x0000000002B10000-memory.dmp

    Filesize

    4.0MB

  • memory/708-9-0x0000000002E60000-0x0000000002E6F000-memory.dmp

    Filesize

    60KB

  • memory/708-10-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB

  • memory/2852-12-0x0000000001F30000-0x0000000001F31000-memory.dmp

    Filesize

    4KB

  • memory/2852-13-0x0000000002820000-0x0000000002C20000-memory.dmp

    Filesize

    4.0MB

  • memory/2852-75-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB