Analysis

  • max time kernel
    137s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27/02/2024, 17:49

General

  • Target

    a9c83d2d20ba895eb52d484768c74814.exe

  • Size

    1.2MB

  • MD5

    a9c83d2d20ba895eb52d484768c74814

  • SHA1

    8e36e374f80e7ff2e7d58d51ab1691155a07de7c

  • SHA256

    9f1504dd592ed3d48287e2f4a86ab579ad9506581ab9ce0665dbb7b82207fc66

  • SHA512

    be4ee04ceedfff84986268b85f519ad4d52914dc06066059342a88db3933c84be0c77b09008337e25ec74f79e69e349abaa7df63e71ceece9ec82e6dc6803e92

  • SSDEEP

    24576:NRzcQEqbeYKUIg5bvSXPjRrAYKUIg5bvSXPj:3zvc4ZlcRrA4Zlc

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\a9c83d2d20ba895eb52d484768c74814.exe
    "C:\Users\Admin\AppData\Local\Temp\a9c83d2d20ba895eb52d484768c74814.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Users\Admin\AppData\Local\Temp\a9c83d2d20ba895eb52d484768c74814.exe
      C:\Users\Admin\AppData\Local\Temp\a9c83d2d20ba895eb52d484768c74814.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\a9c83d2d20ba895eb52d484768c74814.exe

    Filesize

    1.2MB

    MD5

    8490ecfbb0ea77f5331124522c0231bf

    SHA1

    5e95791dcea64bdb618eceb950e7c37cf29fe2b3

    SHA256

    20d003a17cd52c6d58e906666aad111e7b4091378b1c8a5c5406735b8746159e

    SHA512

    68cc8cb984c40d194df90212094db6bef3f91014e51587768c17d4d5d629707126558e6ddd25c0476b15edd671de7c6e4dc1dd7c945142a988d0c6feced6b96d

  • memory/2452-0-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/2452-2-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2452-1-0x0000000000210000-0x0000000000241000-memory.dmp

    Filesize

    196KB

  • memory/2452-13-0x0000000022ED0000-0x0000000022FB0000-memory.dmp

    Filesize

    896KB

  • memory/2452-16-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2508-23-0x0000000000300000-0x0000000000331000-memory.dmp

    Filesize

    196KB

  • memory/2508-42-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB