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Analysis

  • max time kernel
    92s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 00:28

General

  • Target

    2024-06-02_2bc3ca888e2dc0b97959c0b96df64ae5_bkransomware_floxif_icedid.exe

  • Size

    35.2MB

  • MD5

    2bc3ca888e2dc0b97959c0b96df64ae5

  • SHA1

    ac637963795464275c3b19cfe0fc635b74f16ff5

  • SHA256

    d8f4050c420651fbcb0c85dd918e7ed5adc186042491cbc441934d5a87dce261

  • SHA512

    36e8a2f3b8193bce55f6b944c9f4ad8201a0b111d10969be9c3c0a6e619b4dc89e1598d3617ca7fd638d54a12ae459b96f197b3b91d7a7b1fe0f9affce74df78

  • SSDEEP

    196608:Js1X7ZCXnao5D9P9CEaSfi7fkElaucB+MJrfcWx1yl02CCunv/YjDF+JUvkxgzNb:Js1QXFKSfi7cElYutvkxCEdDGm5hQ

Score
9/10
upx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 3 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-02_2bc3ca888e2dc0b97959c0b96df64ae5_bkransomware_floxif_icedid.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_2bc3ca888e2dc0b97959c0b96df64ae5_bkransomware_floxif_icedid.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3844
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3844 -s 420
      2⤵
      • Program crash
      PID:3064
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3844 -ip 3844
    1⤵
      PID:848

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\Common Files\System\symsrv.dll

      Filesize

      67KB

      MD5

      7574cf2c64f35161ab1292e2f532aabf

      SHA1

      14ba3fa927a06224dfe587014299e834def4644f

      SHA256

      de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

      SHA512

      4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

    • memory/3844-4-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/3844-6-0x0000000066218000-0x000000006621B000-memory.dmp

      Filesize

      12KB

    • memory/3844-13-0x000000007FC80000-0x000000007FE47000-memory.dmp

      Filesize

      1.8MB

    • memory/3844-14-0x000000007FC80000-0x000000007FE47000-memory.dmp

      Filesize

      1.8MB

    • memory/3844-7-0x000000007FC80000-0x000000007FE47000-memory.dmp

      Filesize

      1.8MB

    • memory/3844-15-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB