Analysis

  • max time kernel
    138s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    14-02-2024 08:53

General

  • Target

    9b3f3e2dac4e8b1903d0d4c9af71b3fd.exe

  • Size

    133KB

  • MD5

    9b3f3e2dac4e8b1903d0d4c9af71b3fd

  • SHA1

    46408e26dc423f8e9ffbab77ebe050bddf4c9840

  • SHA256

    4a30e795ac1fb3a0985927463c72b4ea59f954d080aad1574692f71e811169b7

  • SHA512

    490e23c441e3d58b7885e1df5058c3ad9c62fb2563b805e3f54152bf4bbf51a0563e863dcb33fa2fc0e6ff1d523e38a3c52d8ef126d4215c6adc62ad3df2f2c0

  • SSDEEP

    3072:iKq3YKaLjYK78w3xsm3gTxpMvFTbZJt1ZQ:hmYKsGxQgTxp8TbLZQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 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\9b3f3e2dac4e8b1903d0d4c9af71b3fd.exe
    "C:\Users\Admin\AppData\Local\Temp\9b3f3e2dac4e8b1903d0d4c9af71b3fd.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Users\Admin\AppData\Local\Temp\9b3f3e2dac4e8b1903d0d4c9af71b3fd.exe
      C:\Users\Admin\AppData\Local\Temp\9b3f3e2dac4e8b1903d0d4c9af71b3fd.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\9b3f3e2dac4e8b1903d0d4c9af71b3fd.exe

    Filesize

    133KB

    MD5

    519f20a5e2238b02a6062914f6413470

    SHA1

    436df7c08482a26e655c009a6355bf98e9455c84

    SHA256

    df23f1fc1eb799c9a14b70af6d2c221a8a1cc17ed420568a1a49c65762682f4e

    SHA512

    cb5382a0e7f53680b7044c5ec6877fa9496298c006e5085e4627c3d7d75f5ef9e81f34363b55c13e499727b1cacffb084bfb11af0f0be24bf2200d9ce7d830af

  • memory/1804-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1804-2-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/1804-1-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1804-15-0x00000000001A0000-0x0000000000226000-memory.dmp

    Filesize

    536KB

  • memory/1804-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1804-43-0x00000000001A0000-0x0000000000226000-memory.dmp

    Filesize

    536KB

  • memory/2012-19-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2012-21-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2012-44-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB