Analysis

  • max time kernel
    130s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 00:03

General

  • Target

    E2-20200827_090615.exe

  • Size

    704KB

  • MD5

    358d17af2bc59fc7bc8776bb90563d55

  • SHA1

    d0581d6bce890cfc28f289b227b9e5f9c615b380

  • SHA256

    78e235ad1c7fa29da9ebe722d77ec3b67a5068af654957e88d90c502265c16dd

  • SHA512

    cfb35a8aa45c04722e9c29785c058b2f8e60ff76516e4b362a6a7ef79757c9a009e43ddddf00354b777fe20a62efcdd94cb019abb41a5b127dc359a700e9b0fa

  • SSDEEP

    12288:YIlkcMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM+MMMMMMMMMMMMMMMMMMMMMMMMV:YEkcMMMMMMMMMMMMMMMMMMMMMMMMMMMc

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

174.45.13.118:80

45.55.36.51:443

91.83.93.99:7080

45.55.219.163:443

5.196.74.210:8080

180.92.239.110:8080

74.208.45.104:8080

68.171.118.7:80

62.75.141.82:80

61.19.246.238:443

24.137.76.62:80

5.39.91.110:7080

70.121.172.89:80

137.59.187.107:8080

94.23.237.171:443

93.147.212.206:80

169.239.182.217:8080

157.147.76.151:80

209.141.54.221:8080

85.105.205.77:8080

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Emotet family
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\E2-20200827_090615.exe
    "C:\Users\Admin\AppData\Local\Temp\E2-20200827_090615.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:5076
    • C:\Windows\SysWOW64\esevss\rastlsext.exe
      "C:\Windows\SysWOW64\esevss\rastlsext.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\esevss\rastlsext.exe

    Filesize

    704KB

    MD5

    358d17af2bc59fc7bc8776bb90563d55

    SHA1

    d0581d6bce890cfc28f289b227b9e5f9c615b380

    SHA256

    78e235ad1c7fa29da9ebe722d77ec3b67a5068af654957e88d90c502265c16dd

    SHA512

    cfb35a8aa45c04722e9c29785c058b2f8e60ff76516e4b362a6a7ef79757c9a009e43ddddf00354b777fe20a62efcdd94cb019abb41a5b127dc359a700e9b0fa

  • memory/3212-7-0x0000000000550000-0x000000000055C000-memory.dmp

    Filesize

    48KB

  • memory/3212-11-0x0000000000550000-0x000000000055C000-memory.dmp

    Filesize

    48KB

  • memory/5076-0-0x0000000002240000-0x0000000002249000-memory.dmp

    Filesize

    36KB

  • memory/5076-1-0x0000000002350000-0x000000000235C000-memory.dmp

    Filesize

    48KB

  • memory/5076-6-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB