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Analysis

  • max time kernel
    141s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28/01/2024, 19:31

General

  • Target

    7dd10a82fde458e728f26a9fe79725ce.exe

  • Size

    72KB

  • MD5

    7dd10a82fde458e728f26a9fe79725ce

  • SHA1

    b6fd8872965d6e6560d00289b297aa5bbd7a573f

  • SHA256

    23640d6ac3871292bdb343f7b736ef4ed6be9faa04913f752a60ac2912415a65

  • SHA512

    e1859b09b2630da8499b1a8926c61732f274fd251e6f3e1e8fa60318e9994b2bfcfd12ad38aea26580491bda07453b3e25e3e852d5b9478d4cb26802b8820018

  • SSDEEP

    1536:ioWuMqnCTygRvyulru2m3QJNrKkp8I33MSX+mSg35dgM+VdZDJs:FWuvayctu2mgTRHovN6

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies data under HKEY_USERS 28 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7dd10a82fde458e728f26a9fe79725ce.exe
    "C:\Users\Admin\AppData\Local\Temp\7dd10a82fde458e728f26a9fe79725ce.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Windows\system32\Deleteme.bat
      2⤵
      • Deletes itself
      PID:2744
  • C:\Windows\winhlp31.exe
    C:\Windows\winhlp31.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      PID:2804

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Deleteme.bat

    Filesize

    184B

    MD5

    ee991e33374a1b1b534742dff163481c

    SHA1

    9b1b7d383d0cdf9b80bf6858492c74d573ea2534

    SHA256

    83f917f74821d43fb49ae08b3290d305f5b137f00621775794604b27c466fc2a

    SHA512

    29d1463433e3c1583ddf5d52114160069a01df341e265d17f1d1259b3900c6842bb85d7dad9006669ba2fee7dd24d69a0323d107861c94892bab962ff11d2228

  • C:\Windows\winhlp31.exe

    Filesize

    72KB

    MD5

    7dd10a82fde458e728f26a9fe79725ce

    SHA1

    b6fd8872965d6e6560d00289b297aa5bbd7a573f

    SHA256

    23640d6ac3871292bdb343f7b736ef4ed6be9faa04913f752a60ac2912415a65

    SHA512

    e1859b09b2630da8499b1a8926c61732f274fd251e6f3e1e8fa60318e9994b2bfcfd12ad38aea26580491bda07453b3e25e3e852d5b9478d4cb26802b8820018

  • memory/2104-3-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2104-2238-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2212-0-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2212-12-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2804-14-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2804-17-0x00000000000A0000-0x00000000000A1000-memory.dmp

    Filesize

    4KB

  • memory/2804-24-0x0000000000100000-0x0000000000101000-memory.dmp

    Filesize

    4KB

  • memory/2804-2233-0x0000000010410000-0x0000000010431000-memory.dmp

    Filesize

    132KB

  • memory/2804-2239-0x0000000010410000-0x0000000010431000-memory.dmp

    Filesize

    132KB