Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2023 12:48

General

  • Target

    36b3c1d4e0e3c2619570c0fc3780b87b.exe

  • Size

    1.3MB

  • MD5

    36b3c1d4e0e3c2619570c0fc3780b87b

  • SHA1

    86355a9f6379f3f870b4ab0d88ab04d01104caff

  • SHA256

    ac6fa4b996b0fe8a09ad87acce0505980b7fc1c0c1b436742cbaf95666e16a7d

  • SHA512

    997c32d0b527acc727b3c5daa5e5ca507df2cf31140d9d555556f56adc688df0cd54103b23e8b2dbf8f684283da3fd4a6683ccaf23757723ad719fa1ff582613

  • SSDEEP

    24576:DMVF5UIF84r2zHnEOOUDB9azvKQBF0nXuc0eOcGBVHvG:YLUbE2zcziJpOZV

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\36b3c1d4e0e3c2619570c0fc3780b87b.exe
    "C:\Users\Admin\AppData\Local\Temp\36b3c1d4e0e3c2619570c0fc3780b87b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Users\Admin\AppData\Local\Temp\36b3c1d4e0e3c2619570c0fc3780b87b.exe
      C:\Users\Admin\AppData\Local\Temp\36b3c1d4e0e3c2619570c0fc3780b87b.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2488

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\36b3c1d4e0e3c2619570c0fc3780b87b.exe

    Filesize

    1.3MB

    MD5

    5fb6dc8754773be793cfab3afca00601

    SHA1

    db4979ff4b3274fdc7f3a71f18a61731e1c1b1f2

    SHA256

    4710dd8cae016d619e7c693cc97bc50c65e8517593e4ce67f0ba474110624132

    SHA512

    ea813050b2ab086efd2da09615b1fc53645284b6c5d23a40b7f091a5e3825def0249e9c037b6e7f60bcd719b19b915839c0e34fe3f320afbefe307cff0f9ab9e

  • memory/2488-16-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/2488-18-0x0000000001A60000-0x0000000001B72000-memory.dmp

    Filesize

    1.1MB

  • memory/2488-17-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/2488-24-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/2884-0-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/2884-2-0x0000000001A60000-0x0000000001B72000-memory.dmp

    Filesize

    1.1MB

  • memory/2884-1-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/2884-14-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB