Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 15:46

General

  • Target

    3a3d8d1b94d0bd4127b5f8afd324b7a2.exe

  • Size

    302KB

  • MD5

    3a3d8d1b94d0bd4127b5f8afd324b7a2

  • SHA1

    816899f0045ebc06699351bf0b36e1750e7da917

  • SHA256

    eb6d1bcaa2a0b95620210d88237e9a3587d25266189ba0c7aef1583652d78dc1

  • SHA512

    aead5550e30d9efd9c0bc5c4b2897720f734581bdf4efd4afbcad28dbc15ce15b254785ee3ba91b4d684abee752d21750e89ce124079ba07b7045e76a9b000d4

  • SSDEEP

    6144:vA5CBOAEHRemW7KUKvWQ4FHxJx4nDfkmQ:IwB5ErW7PgOvoDcm

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a3d8d1b94d0bd4127b5f8afd324b7a2.exe
    "C:\Users\Admin\AppData\Local\Temp\3a3d8d1b94d0bd4127b5f8afd324b7a2.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Users\Admin\AppData\Local\Temp\3a3d8d1b94d0bd4127b5f8afd324b7a2.exe
      C:\Users\Admin\AppData\Local\Temp\3a3d8d1b94d0bd4127b5f8afd324b7a2.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3a3d8d1b94d0bd4127b5f8afd324b7a2.exe

    Filesize

    75KB

    MD5

    f3e04996786c836dbe8daa1e37dcb76e

    SHA1

    04d50ac1d15ab4496910cac820bd693b8fbd240d

    SHA256

    48a9a780bc5dc32e761255cef831ae38e2c7784fb3bdadcec4a2cc395a834375

    SHA512

    096698abaa4a484ba653f40e7f4752d74e15d465a0a80bfa62b44b13f1976d540e47bc55d5c3b28a3734e0617fb31a07056fc38dfa95b617a5bc14074e04316a

  • memory/1944-0-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/1944-1-0x00000000014E0000-0x0000000001511000-memory.dmp

    Filesize

    196KB

  • memory/1944-2-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/1944-16-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2872-18-0x00000000014E0000-0x0000000001511000-memory.dmp

    Filesize

    196KB

  • memory/2872-15-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/2872-31-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB