Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/03/2024, 10:13

General

  • Target

    c59c2a72c14bb7bc13f26558dd7d4310.exe

  • Size

    236KB

  • MD5

    c59c2a72c14bb7bc13f26558dd7d4310

  • SHA1

    82b9da360009a07d4d0da2506b00722229937be9

  • SHA256

    02f944ca011a2cd2cfdfd9c487fc6250fb9d7f14e9351ca95a0a24809362b0eb

  • SHA512

    345a83b5d1c6012731027ebaaca3051db3a81e5f2543c601a81b8305b33acb97ef5a008d69ca738549fcf82cb7ae1dc08f81ba2789a627e396be9020d798f350

  • SSDEEP

    6144:o03XFuM4nLSgTh2IcymPCHWIlm1Fa1asHPncBlFv9Ibqoy3L:oc1udnLSg03ymK2Ilm1F4a4krXIAL

Malware Config

Signatures

  • UPX packed file 7 IoCs

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

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c59c2a72c14bb7bc13f26558dd7d4310.exe
    "C:\Users\Admin\AppData\Local\Temp\c59c2a72c14bb7bc13f26558dd7d4310.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:1720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    67KB

    MD5

    753df6889fd7410a2e9fe333da83a429

    SHA1

    3c425f16e8267186061dd48ac1c77c122962456e

    SHA256

    b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

    SHA512

    9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

  • C:\Users\Admin\AppData\Local\Temp\TarEA8.tmp

    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

  • memory/1720-0-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/1720-65-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/1720-66-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/1720-67-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/1720-68-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/1720-71-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/1720-73-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB