Analysis

  • max time kernel
    149s
  • max time network
    196s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    21-10-2021 10:21

General

  • Target

    efeae42fa3e5f7e5b088384977e2cfc9296e26c53437c138c4e711a8815eaed1.exe

  • Size

    10.1MB

  • MD5

    a65903fca5089fb8959cd9ea6c96da3b

  • SHA1

    0937bbe1199fdca67cad8836e0b3b109aead8fb6

  • SHA256

    efeae42fa3e5f7e5b088384977e2cfc9296e26c53437c138c4e711a8815eaed1

  • SHA512

    5522fed40404d9eebadf550daaa7461c49bd0f95e397cf4c6564d993306877259bd32c2ee1ee234a2e5210ee52bbc0aea8248c2f1556e77b321ebd93348f9dcd

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • UPX packed file 3 IoCs

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

  • Loads dropped DLL 6 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\efeae42fa3e5f7e5b088384977e2cfc9296e26c53437c138c4e711a8815eaed1.exe
    "C:\Users\Admin\AppData\Local\Temp\efeae42fa3e5f7e5b088384977e2cfc9296e26c53437c138c4e711a8815eaed1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1112
    • C:\Users\Admin\AppData\Local\Temp\is-T352E.tmp\efeae42fa3e5f7e5b088384977e2cfc9296e26c53437c138c4e711a8815eaed1.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-T352E.tmp\efeae42fa3e5f7e5b088384977e2cfc9296e26c53437c138c4e711a8815eaed1.tmp" /SL5="$40118,9529176,831488,C:\Users\Admin\AppData\Local\Temp\efeae42fa3e5f7e5b088384977e2cfc9296e26c53437c138c4e711a8815eaed1.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1660
      • C:\Users\Admin\AppData\Roaming\winhlp.exe
        "C:\Users\Admin\AppData\Roaming\winhlp.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1696
        • C:\Windows\SysWOW64\dllhost.exe
          "C:\Windows\system32\dllhost.exe"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1524
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe"
            5⤵
              PID:1640
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe"
              5⤵
                PID:1648
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe"
                5⤵
                  PID:1172
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe"
                  5⤵
                    PID:1052
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\system32\cmd.exe"
                    5⤵
                      PID:2044
                    • C:\Windows\SysWOW64\notepad.exe
                      "C:\Windows\system32\notepad.exe"
                      5⤵
                        PID:1944
                      • C:\Windows\SysWOW64\notepad.exe
                        "C:\Windows\system32\notepad.exe"
                        5⤵
                        • Drops file in Windows directory
                        PID:1460

              Network

              MITRE ATT&CK Matrix

              Replay Monitor

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              Downloads

              • memory/1112-53-0x00000000751A1000-0x00000000751A3000-memory.dmp

                Filesize

                8KB

              • memory/1112-60-0x0000000000400000-0x00000000004D8000-memory.dmp

                Filesize

                864KB

              • memory/1460-86-0x0000000000080000-0x0000000000089000-memory.dmp

                Filesize

                36KB

              • memory/1460-87-0x0000000076E90000-0x0000000077039000-memory.dmp

                Filesize

                1.7MB

              • memory/1524-76-0x0000000000080000-0x0000000000082000-memory.dmp

                Filesize

                8KB

              • memory/1524-77-0x0000000002060000-0x0000000002095000-memory.dmp

                Filesize

                212KB

              • memory/1524-78-0x0000000076E90000-0x0000000077039000-memory.dmp

                Filesize

                1.7MB

              • memory/1660-61-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB