Analysis

  • max time kernel
    130s
  • max time network
    168s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    13-05-2021 02:34

General

  • Target

    f886202f15a93ff1bd3522be14dd3143c4f7443cc700c7840fe8667e8abf4656.exe

  • Size

    134KB

  • MD5

    9a4c58c9a89a06da19007a28186d454a

  • SHA1

    0e0e436266e1dc0bde5ea0bd7a0421f17d483dc0

  • SHA256

    f886202f15a93ff1bd3522be14dd3143c4f7443cc700c7840fe8667e8abf4656

  • SHA512

    25595c1bbdb2d1a42f48d53e86e7b854f7ac90df31b392d71c618e29811158589dd83469833055afc00b972d0df7850fd1d0b0f317b381f75b669761019262ba

Score
10/10

Malware Config

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 21 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f886202f15a93ff1bd3522be14dd3143c4f7443cc700c7840fe8667e8abf4656.exe
    "C:\Users\Admin\AppData\Local\Temp\f886202f15a93ff1bd3522be14dd3143c4f7443cc700c7840fe8667e8abf4656.exe"
    1⤵
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Users\Admin\AppData\Local\Temp\f886202f15a93ff1bd3522be14dd3143c4f7443cc700c7840fe8667e8abf4656.exe
      --e5d54944
      2⤵
      • Suspicious behavior: RenamesItself
      • Suspicious use of UnmapMainImage
      PID:1992
  • C:\Windows\SysWOW64\cloudimpl.exe
    "C:\Windows\SysWOW64\cloudimpl.exe"
    1⤵
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:332
    • C:\Windows\SysWOW64\cloudimpl.exe
      --b902f40b
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of UnmapMainImage
      PID:660

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/660-68-0x0000000000000000-mapping.dmp
  • memory/1208-60-0x0000000075C71000-0x0000000075C73000-memory.dmp
    Filesize

    8KB

  • memory/1208-63-0x0000000000220000-0x0000000000231000-memory.dmp
    Filesize

    68KB

  • memory/1208-65-0x0000000000400000-0x0000000000423000-memory.dmp
    Filesize

    140KB

  • memory/1992-61-0x0000000000000000-mapping.dmp
  • memory/1992-66-0x0000000000400000-0x0000000000423000-memory.dmp
    Filesize

    140KB