Analysis

  • max time kernel
    142s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15-05-2021 16:42

General

  • Target

    43527bee3fff63468f0d88ceec297d842c86a206549957adbdf29266b3f17408.exe

  • Size

    194KB

  • MD5

    05ac242d2e2a432777bf0ab3a2247400

  • SHA1

    e692b1d81d3b3436b34d626cf642d9cd95232e1c

  • SHA256

    43527bee3fff63468f0d88ceec297d842c86a206549957adbdf29266b3f17408

  • SHA512

    11d04cad8d6c5331f2b1c57f4bd3e2fac6ae5b3bea14768dfd28961dc9827d76533e2d3f4501d9c6bf3cfc52ff2525b5d7445bbb4f375797f655a82740d32c3c

Score
10/10

Malware Config

Signatures

  • Emotet

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

  • Drops file in System32 directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\43527bee3fff63468f0d88ceec297d842c86a206549957adbdf29266b3f17408.exe
    "C:\Users\Admin\AppData\Local\Temp\43527bee3fff63468f0d88ceec297d842c86a206549957adbdf29266b3f17408.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Users\Admin\AppData\Local\Temp\43527bee3fff63468f0d88ceec297d842c86a206549957adbdf29266b3f17408.exe
      --b439a0a1
      2⤵
      • Suspicious behavior: RenamesItself
      PID:2136
  • C:\Windows\SysWOW64\formdiag.exe
    "C:\Windows\SysWOW64\formdiag.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Windows\SysWOW64\formdiag.exe
      --3b391f61
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:2664

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2136-115-0x0000000000000000-mapping.dmp

  • memory/2136-117-0x0000000000580000-0x00000000006CA000-memory.dmp

    Filesize

    1.3MB

  • memory/2664-120-0x0000000000000000-mapping.dmp

  • memory/2664-122-0x0000000000570000-0x00000000006BA000-memory.dmp

    Filesize

    1.3MB

  • memory/2664-123-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2816-121-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/3540-114-0x0000000002160000-0x000000000217B000-memory.dmp

    Filesize

    108KB

  • memory/3540-116-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB