Analysis

  • max time kernel
    141s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-02-2024 06:37

General

  • Target

    a13089a8ea3689e9642e02f078088870.exe

  • Size

    133KB

  • MD5

    a13089a8ea3689e9642e02f078088870

  • SHA1

    8564e026d5554f1af27c69a6e0cc464e38b5f2dd

  • SHA256

    1237f407f72ddb0c924b4123899a058d51b7d1bd92e6324b4412b87c2f6a0c6c

  • SHA512

    5eaefd93d8537ab658513c9432e9b41d6e6ef5596de1dbe18f576f8bce3ae99740cc452b7288cca8f5e2f57102733e54a33fcbe8a5723f9b0542112f6385891b

  • SSDEEP

    3072:6hvvONSqJ37qjqxdgzejN1+4l5uCKZBk1kRjbt0YIkBOmQ:E237EqPsOxyC5mFbtMkBOmQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 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\a13089a8ea3689e9642e02f078088870.exe
    "C:\Users\Admin\AppData\Local\Temp\a13089a8ea3689e9642e02f078088870.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\Local\Temp\a13089a8ea3689e9642e02f078088870.exe
      C:\Users\Admin\AppData\Local\Temp\a13089a8ea3689e9642e02f078088870.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\a13089a8ea3689e9642e02f078088870.exe

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • \Users\Admin\AppData\Local\Temp\a13089a8ea3689e9642e02f078088870.exe

    Filesize

    133KB

    MD5

    40b416a7d8dd8e04cb25ebcc8dea98bf

    SHA1

    d58bb1612ca06f33fc370f8289db3ca142fc7faf

    SHA256

    c6d82c18fb59297787f7a69c663a64ccaa71d1cb3c36362d4bf3d0a9e5c70285

    SHA512

    d1e79f584c0a93d02bd25f70ce0b6e1870b6e8a89f01977961ebe81f5507874c8bd083ac4985b0a27f15ee7356264d255512d5ee141396ec64aca634636045f4

  • memory/2104-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2104-1-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2104-3-0x00000000001D0000-0x00000000001F1000-memory.dmp

    Filesize

    132KB

  • memory/2104-15-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2104-14-0x0000000000320000-0x00000000003A6000-memory.dmp

    Filesize

    536KB

  • memory/2756-18-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2756-20-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2756-43-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB