Analysis

  • max time kernel
    94s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-07-2024 03:41

General

  • Target

    400d7a6db84fcce506d40c63f355ee00_JaffaCakes118.dll

  • Size

    330KB

  • MD5

    400d7a6db84fcce506d40c63f355ee00

  • SHA1

    e4779ce48763854fa7924b109a98b0fbc85931d1

  • SHA256

    f67dc278ebd15c092d568a89b295be3da17887b100cc562ee9b5d20f0d0bc91f

  • SHA512

    a16bb305c5b748a291b6eb1bd4b0b90a3ab47febf550e76911e829b86a3e8c04315675de8fef9143eefa02d54b3cb0635a7ac21abfab088338502e2b64fc0532

  • SSDEEP

    3072:RRq1sFAd2gQ5PmBvNZwnnq1gn2RvoXiDzAYgrO1v2F5j8eFu:Tq1sFAwgwmBv3wnIgG4oAYxvU54eu

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

C2

190.55.186.229:80

203.157.152.9:7080

157.245.145.87:443

109.99.146.210:8080

116.202.10.123:8080

172.96.190.154:8080

163.53.204.180:443

190.107.118.125:80

91.93.3.85:8080

185.142.236.163:443

115.79.195.246:80

120.51.34.254:80

192.210.217.94:8080

198.20.228.9:8080

91.75.75.46:80

54.38.143.245:8080

161.49.84.2:80

162.144.145.58:8080

178.33.167.120:8080

201.193.160.196:80

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\400d7a6db84fcce506d40c63f355ee00_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\400d7a6db84fcce506d40c63f355ee00_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:3996
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Tycrebmjz\awygorti.rtj",tHFC
        3⤵
        • Loads dropped DLL
        PID:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Tycrebmjz\awygorti.rtj

    Filesize

    330KB

    MD5

    400d7a6db84fcce506d40c63f355ee00

    SHA1

    e4779ce48763854fa7924b109a98b0fbc85931d1

    SHA256

    f67dc278ebd15c092d568a89b295be3da17887b100cc562ee9b5d20f0d0bc91f

    SHA512

    a16bb305c5b748a291b6eb1bd4b0b90a3ab47febf550e76911e829b86a3e8c04315675de8fef9143eefa02d54b3cb0635a7ac21abfab088338502e2b64fc0532

  • memory/3996-1-0x00000000012D0000-0x00000000012EF000-memory.dmp

    Filesize

    124KB

  • memory/3996-2-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB

  • memory/3996-4-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB