Analysis

  • max time kernel
    77s
  • max time network
    82s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    23-07-2024 17:25

General

  • Target

    MegaLoader FIXED/COMPONENTS/VC_redist.x64.exe

  • Size

    24.2MB

  • MD5

    1d545507009cc4ec7409c1bc6e93b17b

  • SHA1

    84c61fadf8cd38016fb7632969b3ace9e54b763a

  • SHA256

    3642e3f95d50cc193e4b5a0b0ffbf7fe2c08801517758b4c8aeb7105a091208a

  • SHA512

    5935b69f5138ac3fbc33813c74da853269ba079f910936aefa95e230c6092b92f6225bffb594e5dd35ff29bf260e4b35f91adede90fdf5f062030d8666fd0104

  • SSDEEP

    786432:tSp+Ty2SfUfnbDDko5dFMYqlQbgAVLSElbmucMuZZxs6Sf:4p+Ty2SfWnHDk8FjVbfzPTq4

Score
4/10

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MegaLoader FIXED\COMPONENTS\VC_redist.x64.exe
    "C:\Users\Admin\AppData\Local\Temp\MegaLoader FIXED\COMPONENTS\VC_redist.x64.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4864
    • C:\Windows\Temp\{F3707684-F545-44DA-A81D-696A39425CFC}\.cr\VC_redist.x64.exe
      "C:\Windows\Temp\{F3707684-F545-44DA-A81D-696A39425CFC}\.cr\VC_redist.x64.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\MegaLoader FIXED\COMPONENTS\VC_redist.x64.exe" -burn.filehandle.attached=524 -burn.filehandle.self=532
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      PID:2432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Temp\{26205CCD-D01B-49AC-BCD3-D30A1D77C27C}\.ba\logo.png

    Filesize

    1KB

    MD5

    d6bd210f227442b3362493d046cea233

    SHA1

    ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

    SHA256

    335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

    SHA512

    464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

  • C:\Windows\Temp\{F3707684-F545-44DA-A81D-696A39425CFC}\.cr\VC_redist.x64.exe

    Filesize

    635KB

    MD5

    ae0540106cfd901b091d3d241e5cb4b0

    SHA1

    97f93b6e00a5069155a52aa5551e381b6b4221eb

    SHA256

    8cd998a0318f07a27f78b75edb19479f44273590e300629eff237d47643c496c

    SHA512

    29bb486bfdd541ba6aed7a2543ff0eb66865af737a8fb79484fb77cb412c3b357c71c16addf232c759d3c20c5e18128df43c68d1cba23f1c363fd9e0b7188177

  • \Windows\Temp\{26205CCD-D01B-49AC-BCD3-D30A1D77C27C}\.ba\wixstdba.dll

    Filesize

    191KB

    MD5

    eab9caf4277829abdf6223ec1efa0edd

    SHA1

    74862ecf349a9bedd32699f2a7a4e00b4727543d

    SHA256

    a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

    SHA512

    45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2