Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26-01-2024 18:44

General

  • Target

    781b27bb84ba5d587ae4b83fb6a1da2d.exe

  • Size

    133KB

  • MD5

    781b27bb84ba5d587ae4b83fb6a1da2d

  • SHA1

    db6920411a9bc5b629570fd56ee0dc1a1a9acc7d

  • SHA256

    e1a8eeda3ac697b4a6830dddc83d8ce2672799c90d36815dad5888d28a7cf135

  • SHA512

    5a5d3ca2f8b4936d7ddb61a39dc3d69ac545a8297862ff6e0ff3be41afb291520e0c66b28004a546698eae7da560be4f1af26a9ee5ca39724cab3f23de50d553

  • SSDEEP

    3072:N/WE8KNmCrpfvr8E8spj9+w4Tq3G5FdwqPOc0Skz1tE87FAoQ:FWERNZpfvr8E884u3W3wKJkz157FxQ

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.

  • 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\781b27bb84ba5d587ae4b83fb6a1da2d.exe
    "C:\Users\Admin\AppData\Local\Temp\781b27bb84ba5d587ae4b83fb6a1da2d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Users\Admin\AppData\Local\Temp\781b27bb84ba5d587ae4b83fb6a1da2d.exe
      C:\Users\Admin\AppData\Local\Temp\781b27bb84ba5d587ae4b83fb6a1da2d.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\781b27bb84ba5d587ae4b83fb6a1da2d.exe

    Filesize

    133KB

    MD5

    75702992c264661e783500df61780744

    SHA1

    ba7b78fe49935f73a4182e7d62531ee24be2d317

    SHA256

    87d275fd3f5e2545c128694c79c4589dc245b523240f3fe553ab66661b27e782

    SHA512

    67744c1041bac1b56a70e185599ee03a714db049fde22ed3a65cc52d48fe0131531fdf16bfbcff6e5f4e7419f4061389638b900b6a50ba54e5473d24dda738c9

  • memory/1460-19-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/1460-42-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2080-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2080-1-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2080-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2080-13-0x0000000000190000-0x0000000000216000-memory.dmp

    Filesize

    536KB

  • memory/2080-15-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB