Analysis

  • max time kernel
    46s
  • max time network
    63s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 08:14

General

  • Target

    90847c831f66fc3f7e19e2d2d2e2e2f7dd7e76cef0737301ed6e64ab33cd1cee.exe

  • Size

    252KB

  • MD5

    8c9875d1304bf05a7e0b6b5afbbe19b7

  • SHA1

    45466723a1768bc54728ae85fe6d1258fa945e72

  • SHA256

    90847c831f66fc3f7e19e2d2d2e2e2f7dd7e76cef0737301ed6e64ab33cd1cee

  • SHA512

    fa9d376c384ad7aa893807b3ee32bf2e67b6c79876f5f13de138517684299c2a1242b8cd5709ac71132cb2ddec97d8478c7395a5a849c0814988ed58131602f2

  • SSDEEP

    3072:uvnnEYqhOeU3WEE2XjPyPS+VLY4MMHcq7CV3lFcGam1dtBDSyiHcmaN6G:TOe+qq70keVI3lFcM11S8

Score
8/10
upx

Malware Config

Signatures

  • UPX packed file 10 IoCs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90847c831f66fc3f7e19e2d2d2e2e2f7dd7e76cef0737301ed6e64ab33cd1cee.exe
    "C:\Users\Admin\AppData\Local\Temp\90847c831f66fc3f7e19e2d2d2e2e2f7dd7e76cef0737301ed6e64ab33cd1cee.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:748
    • C:\Users\Admin\AppData\Local\Temp\90847c831f66fc3f7e19e2d2d2e2e2f7dd7e76cef0737301ed6e64ab33cd1cee.exe
      C:\Users\Admin\AppData\Local\Temp\90847c831f66fc3f7e19e2d2d2e2e2f7dd7e76cef0737301ed6e64ab33cd1cee.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:344
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\d.bat" "
        3⤵
        • Deletes itself
        PID:1796

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\d.bat

    Filesize

    163B

    MD5

    4d95b6a27bd1498cb3c8f0ef022b8527

    SHA1

    967cc754ae147b33342ba3cc1b3a22f7b51f4f4b

    SHA256

    95b9c2077fa97f43591ae6fb8925e7966c6938bcd04204c02cb01e0ab2d34749

    SHA512

    6ea995fa2c153bbdc088bc201c402a93c8129d09d7e41b90c7976588494b8b63ecbf905004afa88c2e0d4d3c7b979d36cb214c348f51ad528bbba304446dbb0f

  • memory/344-64-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/344-63-0x0000000000461E80-mapping.dmp

  • memory/344-55-0x00000000001B0000-0x00000000002AA000-memory.dmp

    Filesize

    1000KB

  • memory/344-59-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/344-66-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/344-62-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/344-57-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/344-72-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/344-61-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/344-67-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/344-69-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/344-68-0x0000000000400000-0x0000000001400000-memory.dmp

    Filesize

    16.0MB

  • memory/344-70-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/748-54-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

    Filesize

    8KB

  • memory/748-58-0x0000000000290000-0x0000000000294000-memory.dmp

    Filesize

    16KB

  • memory/1796-71-0x0000000000000000-mapping.dmp