Analysis

  • max time kernel
    148s
  • max time network
    203s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    16-05-2021 06:07

General

  • Target

    bf6f9f8f38399302917fd8d4b2db61ac34fc61bb72c049506c602ac3542db636.exe

  • Size

    136KB

  • MD5

    e9d2d3e643fe767bce1cfeada14b0fd4

  • SHA1

    f1a1048ba8b93de2f5c9c91801fa9003a896c20e

  • SHA256

    bf6f9f8f38399302917fd8d4b2db61ac34fc61bb72c049506c602ac3542db636

  • SHA512

    b1296468dcbc6fcd95b647eaa3a98dab3b244027b1769be7cba6931dba2c8b5fa8abee68ef21ef6bd16d5d49a0e90aea89ab744bdb69220789f12c9d0615c745

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\bf6f9f8f38399302917fd8d4b2db61ac34fc61bb72c049506c602ac3542db636.exe
    "C:\Users\Admin\AppData\Local\Temp\bf6f9f8f38399302917fd8d4b2db61ac34fc61bb72c049506c602ac3542db636.exe"
    1⤵
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:332
    • C:\Users\Admin\AppData\Local\Temp\bf6f9f8f38399302917fd8d4b2db61ac34fc61bb72c049506c602ac3542db636.exe
      --3b78a4df
      2⤵
      • Suspicious behavior: RenamesItself
      • Suspicious use of UnmapMainImage
      PID:1764
  • C:\Windows\SysWOW64\hotspottargets.exe
    "C:\Windows\SysWOW64\hotspottargets.exe"
    1⤵
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Windows\SysWOW64\hotspottargets.exe
      --d24aa8a5
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of UnmapMainImage
      PID:912

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/332-59-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

    Filesize

    8KB

  • memory/332-62-0x0000000000220000-0x0000000000231000-memory.dmp

    Filesize

    68KB

  • memory/332-64-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/912-68-0x0000000000000000-mapping.dmp

  • memory/912-72-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1764-60-0x0000000000000000-mapping.dmp

  • memory/1764-65-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB