Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 00:03

General

  • Target

    E3-20200827_061531.exe

  • Size

    412KB

  • MD5

    a2df421b99f9854f75e68e8c3d8476a3

  • SHA1

    bbfc4bba21022043d50e47f56635f8122704aee7

  • SHA256

    529cac7f42d829cfba9ff7ff39e053717247bae222879ef4f54af2165d020119

  • SHA512

    bd517ca96eb4f9c420dc4079ff03f4cb1bb2778c928bd455fe52c757ebbbcf2f9712383d55316a472931d43c5f926a892ec3eddc62e58370be59ba5906f7d7c4

  • SSDEEP

    3072:nzoB+F9ah8tFGNhd5/2dGqHNLiFgpaO8072SBKUgTtuNtiDrUYNA0YFH8w:n8B+F9Nuhd56paJEZTcu3QA0Y

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

C2

88.249.181.198:443

65.156.53.186:8080

68.183.233.80:8080

185.81.158.15:8080

37.187.100.220:7080

60.125.114.64:443

201.235.10.215:80

81.214.253.80:443

118.101.24.148:80

181.126.54.234:80

197.232.36.108:80

178.87.171.199:80

139.99.157.213:8080

115.79.195.246:80

177.94.227.143:80

113.161.148.81:80

192.210.217.94:8080

173.94.215.84:80

112.78.142.170:80

217.199.160.224:8080

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 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\E3-20200827_061531.exe
    "C:\Users\Admin\AppData\Local\Temp\E3-20200827_061531.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Windows\SysWOW64\PortableDeviceClassExtension\iernonce.exe
      "C:\Windows\SysWOW64\PortableDeviceClassExtension\iernonce.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\PortableDeviceClassExtension\iernonce.exe

    Filesize

    412KB

    MD5

    a2df421b99f9854f75e68e8c3d8476a3

    SHA1

    bbfc4bba21022043d50e47f56635f8122704aee7

    SHA256

    529cac7f42d829cfba9ff7ff39e053717247bae222879ef4f54af2165d020119

    SHA512

    bd517ca96eb4f9c420dc4079ff03f4cb1bb2778c928bd455fe52c757ebbbcf2f9712383d55316a472931d43c5f926a892ec3eddc62e58370be59ba5906f7d7c4

  • memory/2132-7-0x00000000001D0000-0x00000000001DC000-memory.dmp

    Filesize

    48KB

  • memory/2132-11-0x00000000001D0000-0x00000000001DC000-memory.dmp

    Filesize

    48KB

  • memory/2736-4-0x0000000000230000-0x0000000000239000-memory.dmp

    Filesize

    36KB

  • memory/2736-0-0x0000000000240000-0x000000000024C000-memory.dmp

    Filesize

    48KB

  • memory/2736-6-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB