Analysis

  • max time kernel
    139s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19-01-2024 16:18

General

  • Target

    681489a633c3159887ddd5c2382e22c8.exe

  • Size

    133KB

  • MD5

    681489a633c3159887ddd5c2382e22c8

  • SHA1

    346437eecd5883728dacb80144a66d90d906527b

  • SHA256

    665a63cde0ec9e9f745e94aa78cb3566eb05eb7aa7d7fa379a94f41b350a48a9

  • SHA512

    a31627b5221b3e42f1f49855aeba2a02f56aa79dbebe305a00f93a56273a81c5fe58989615657ff47d8b895a0dbf78d7943ad433ad49026a11ac5d3f3fd0f0de

  • SSDEEP

    3072:2iZtnornDccSs52WRSUskVXwMhpMJgWFyuPg7PQ:7ZxornPRXskVXwKuPgDQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\681489a633c3159887ddd5c2382e22c8.exe
    "C:\Users\Admin\AppData\Local\Temp\681489a633c3159887ddd5c2382e22c8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Users\Admin\AppData\Local\Temp\681489a633c3159887ddd5c2382e22c8.exe
      C:\Users\Admin\AppData\Local\Temp\681489a633c3159887ddd5c2382e22c8.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\681489a633c3159887ddd5c2382e22c8.exe

    Filesize

    133KB

    MD5

    249d6d8048ead41749e49d07c6125dec

    SHA1

    95d7abd142aa78fb2865b9f918e7612c892d7d23

    SHA256

    7e01080eef29d78de7f64d626ac2366fb61c34b60704e22fee1dd05c0a6173a9

    SHA512

    d30f401a24e957122ec315965f238b4c86ec6e2346cd4ccee9cc65c84189b8128f8a99014793a1132052aefc9eb2d8af0468faac572943c086399249abe5b753

  • memory/2336-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2336-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2336-1-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2336-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2336-15-0x0000000000190000-0x0000000000216000-memory.dmp

    Filesize

    536KB

  • memory/2336-42-0x0000000000190000-0x0000000000216000-memory.dmp

    Filesize

    536KB

  • memory/2740-18-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2740-20-0x00000000001E0000-0x0000000000201000-memory.dmp

    Filesize

    132KB

  • memory/2740-43-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB