Analysis

  • max time kernel
    103s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2022 15:09

General

  • Target

    4e1b4ed26e00cf742ca55ecc47a9b790c964014a352ef676939ec30a845aeff3.exe

  • Size

    840KB

  • MD5

    827f5fc064da1deb879a11f3fcfaa440

  • SHA1

    6b48994ac27161d4438b5be21b8dd3bc9123dfc2

  • SHA256

    4e1b4ed26e00cf742ca55ecc47a9b790c964014a352ef676939ec30a845aeff3

  • SHA512

    0f310226b43d31922cbcb9807feadd2b2841fd51263a4ab0b6ff39cc3a3454ad9c4216111092c74be578ae18ee0e9d68ce9abb9b271a51d4546c437069897da1

  • SSDEEP

    12288:AvIuVHsBSvMgC4PV/vqUsaJF4U03wdWTVia/SMZoS5Xv3+Rt:AvxVuSvMv49/vPsFwtMFfE

Score
8/10
upx

Malware Config

Signatures

  • UPX packed file 32 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 48 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4e1b4ed26e00cf742ca55ecc47a9b790c964014a352ef676939ec30a845aeff3.exe
    "C:\Users\Admin\AppData\Local\Temp\4e1b4ed26e00cf742ca55ecc47a9b790c964014a352ef676939ec30a845aeff3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1372
    • C:\Windows\SysWOW64\calc.exe
      calc.exe
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:980
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" url.dll,FileProtocolHandler http://nz38.com/
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1116
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" http://nz38.com/
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1528
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1528 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1056

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    340B

    MD5

    49fb32be3a7bb15fc88bf97aa91aae2c

    SHA1

    b98c8a6bd6a5ec0c80c1e4257b2c1d9148756a81

    SHA256

    9ea3cbd37800f7446fae2b765256a7e33023ba8214a4d111127de078ed43057d

    SHA512

    e2c3f433796e2c11818e2928990d4d8daacbf37a5824aa669cdfc4e2261e60e0fb5a3ff75ca92c94c85546f583968ad97eea24645690b4c6f06be1b030799d3a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\50GOQCY6.txt

    Filesize

    539B

    MD5

    0973f7cb17b84af8a6242960197c1a46

    SHA1

    e2a1811813bd4fb80d441391bfa12047f32c0707

    SHA256

    b43be6f886939996c58062d3bc6b0e5d17a97328c4bd39efd1741136184e6e76

    SHA512

    32bd2d5671cb1db10f9b1e7316675021af05e0b2d88a4e4adc138822d1b27e53271bf2115ae291bd3de2259775018d0b4fb48f70f8786e7ad6fe5f8a8819c5a4

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\YN8R79CX.txt

    Filesize

    276B

    MD5

    86cfe64fc6ecaa7c3edae4772dd5e9f0

    SHA1

    d6aa99eba18aba09c99b1cd18df6b9c77b06ede7

    SHA256

    88b7d9916bd7a1863d21354b325d06b8265d4f033a0a77ef5a5bff6d41187e2b

    SHA512

    25496e31770a700bee31346f32bc22fd6d3baca3beb2dd07d25ca6aa4e1668476779b0ad9937d73693f8435558c90b1c23694134fa6cacbf4bb5a526a06b80e1

  • memory/980-126-0x000000000040E000-0x0000000000415000-memory.dmp

    Filesize

    28KB

  • memory/980-127-0x0000000000401000-0x000000000040E000-memory.dmp

    Filesize

    52KB

  • memory/980-120-0x0000000000401000-0x000000000040E000-memory.dmp

    Filesize

    52KB

  • memory/980-119-0x000000000040E000-0x0000000000415000-memory.dmp

    Filesize

    28KB

  • memory/980-115-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/980-114-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/980-113-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/980-102-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/980-109-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/980-106-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/980-103-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/1372-73-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-81-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-95-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-97-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-99-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-93-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-87-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-77-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-67-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-101-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-89-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-85-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-83-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-91-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-79-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-75-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-54-0x0000000075921000-0x0000000075923000-memory.dmp

    Filesize

    8KB

  • memory/1372-71-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-69-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-64-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-62-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-60-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-59-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-125-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-58-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-57-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1372-55-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB