Analysis

  • max time kernel
    143s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    16-08-2021 06:30

General

  • Target

    emo.exe

  • Size

    176KB

  • MD5

    1d314c60cf2ab83672f258033f1c9fdb

  • SHA1

    a076655c3e4b48b2a074a7d37210adaea0e22f92

  • SHA256

    459f8d96d0c21300199c87ee798b594216732a27da6c3190f36b483df9faaabf

  • SHA512

    82f5b8d8b4eec5dac2220a9cef857be499e0a5c6ac6b4e095633bcdfeb7892dabfd5a3ae4b19833c2e635494855a59559c032f60eae0de7aba1eceec5592efee

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.

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\emo.exe
    "C:\Users\Admin\AppData\Local\Temp\emo.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:568
    • C:\Users\Admin\AppData\Local\Temp\emo.exe
      "C:\Users\Admin\AppData\Local\Temp\emo.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      PID:1800
  • C:\Windows\SysWOW64\depcolorer.exe
    "C:\Windows\SysWOW64\depcolorer.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Windows\SysWOW64\depcolorer.exe
      "C:\Windows\SysWOW64\depcolorer.exe"
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      PID:1252

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/568-116-0x00000000041C0000-0x00000000041D9000-memory.dmp
    Filesize

    100KB

  • memory/568-125-0x00000000041A0000-0x00000000041B9000-memory.dmp
    Filesize

    100KB

  • memory/568-126-0x00000000041E0000-0x00000000041F8000-memory.dmp
    Filesize

    96KB

  • memory/1252-134-0x0000000000000000-mapping.dmp
  • memory/1252-137-0x0000000002D40000-0x0000000002D59000-memory.dmp
    Filesize

    100KB

  • memory/1252-141-0x0000000002D60000-0x0000000002D78000-memory.dmp
    Filesize

    96KB

  • memory/1800-119-0x0000000000000000-mapping.dmp
  • memory/1800-123-0x00000000028B0000-0x00000000028C9000-memory.dmp
    Filesize

    100KB

  • memory/1800-127-0x0000000002860000-0x000000000291D000-memory.dmp
    Filesize

    756KB

  • memory/1800-128-0x0000000002860000-0x00000000028D7000-memory.dmp
    Filesize

    476KB

  • memory/2380-131-0x0000000002D50000-0x0000000002D69000-memory.dmp
    Filesize

    100KB

  • memory/2380-140-0x0000000002D70000-0x0000000002D88000-memory.dmp
    Filesize

    96KB