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Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28/02/2024, 19:31

General

  • Target

    acabed941479768651f6fe6a9fac201c.exe

  • Size

    458KB

  • MD5

    acabed941479768651f6fe6a9fac201c

  • SHA1

    3da8663a6aa45480d86ff451634a00d5aed76917

  • SHA256

    a3d86c5177e6aca6bdb99b52c0e0424645a362ccd31c4c1698581cfc4fc41160

  • SHA512

    68e15101718478e7be568b33c23bcbe5dc6319ffc21dc1256e089ad8023c93f33515ac4570d0338c177fccd5c6d666a5ce496cc677b571c7dd313ffdeda76f78

  • SSDEEP

    6144:2YWGHdSkJdlTQm2PdLFeV4H3T9rOOQM48rA8H74rHYaWqiqTAFVDsCXvxUt:pIyqm+lFtH3BzlA+KUq0LDsavat

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\acabed941479768651f6fe6a9fac201c.exe
    "C:\Users\Admin\AppData\Local\Temp\acabed941479768651f6fe6a9fac201c.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2220
    • C:\ProgramData\BgBkaFsuthfOK.exe
      "C:\ProgramData\BgBkaFsuthfOK.exe"
      2⤵
      • Executes dropped EXE
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \ProgramData\BgBkaFsuthfOK.exe

    Filesize

    458KB

    MD5

    acabed941479768651f6fe6a9fac201c

    SHA1

    3da8663a6aa45480d86ff451634a00d5aed76917

    SHA256

    a3d86c5177e6aca6bdb99b52c0e0424645a362ccd31c4c1698581cfc4fc41160

    SHA512

    68e15101718478e7be568b33c23bcbe5dc6319ffc21dc1256e089ad8023c93f33515ac4570d0338c177fccd5c6d666a5ce496cc677b571c7dd313ffdeda76f78

  • memory/1284-12-0x0000000000220000-0x0000000000278000-memory.dmp

    Filesize

    352KB

  • memory/2220-1-0x0000000000600000-0x0000000000680000-memory.dmp

    Filesize

    512KB

  • memory/2220-0-0x0000000000220000-0x0000000000278000-memory.dmp

    Filesize

    352KB

  • memory/2220-3-0x0000000000600000-0x0000000000680000-memory.dmp

    Filesize

    512KB