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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2023, 04:58

General

  • Target

    6b839f3768735a0eecf059407948f3b2.exe

  • Size

    133KB

  • MD5

    6b839f3768735a0eecf059407948f3b2

  • SHA1

    1f9bbb50eafc7574d0ddfd34026210e237c35d0d

  • SHA256

    ebcdb42f31ee2584d018901f4ed1e28282a360fe92732175f516249b5c3e18b7

  • SHA512

    6b735273152a1b498baa9a537bf5011910a08472fe328428b0fd2988a66e820988dac967e51dd3d66c0999767db49dfc51d485cd385e20915875ca382875989d

  • SSDEEP

    3072:k3wh7AkmbJKhR8/GHke0nk6Tix85/Puj7R5Q:iwhlmbT/DnT+xQ/Puj7R5Q

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\6b839f3768735a0eecf059407948f3b2.exe
    "C:\Users\Admin\AppData\Local\Temp\6b839f3768735a0eecf059407948f3b2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Users\Admin\AppData\Local\Temp\6b839f3768735a0eecf059407948f3b2.exe
      C:\Users\Admin\AppData\Local\Temp\6b839f3768735a0eecf059407948f3b2.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\6b839f3768735a0eecf059407948f3b2.exe

    Filesize

    17KB

    MD5

    272f3eb5439982e1a2ad209e14288939

    SHA1

    4c6552722eaabbe23809a86fdeab2b88074c7198

    SHA256

    6a037561ce9bd0210dab7efcae00425c880140b9600d04bef85f3dfb3f29986b

    SHA512

    108afec505c9c654202fda2c417ef0450d4fb2721a92f790ce95f547e3e0730651b81de626d6c81a0de5606f773825c7bc986c945f3a5f827869bcc9b3f0bd17

  • \Users\Admin\AppData\Local\Temp\6b839f3768735a0eecf059407948f3b2.exe

    Filesize

    65KB

    MD5

    53e1525c190255bdab0aa8fc9cc9fa73

    SHA1

    4c69214c302f695d730fc20893b32a0208af61dd

    SHA256

    2505baefa31077ed5af4cadb85130e4bc86293df4e8ba3a8f1fa5339a427e146

    SHA512

    842d7827883e26f6509a8b6bd9dcc2850b22c62720540617bf3af9f944f9896261401ac3bce1554ebeb8821f7b3368c65d07b287f8ba8002451cb3cfa3be9227

  • memory/2652-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2652-1-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2652-12-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2652-16-0x0000000002C50000-0x0000000002CD6000-memory.dmp

    Filesize

    536KB

  • memory/2652-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3008-19-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/3008-20-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/3008-34-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB