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Analysis

  • max time kernel
    92s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/07/2024, 06:19

General

  • Target

    4d23c39732b86975a61f285995058e5e_JaffaCakes118.dll

  • Size

    340KB

  • MD5

    4d23c39732b86975a61f285995058e5e

  • SHA1

    30bc710fe7fec286f312fef32ab55993ce8bd793

  • SHA256

    431c536eff5693512706944e92d7ff45009dfa7aee9f7b65ecf3bb9b3a7b3b79

  • SHA512

    55f602a974c8b6024633eeffd2118746a13e0a19cd93588622eb642ed90440bc4caf5dc78099dbd3c402be097c8ff9df965e13290946a25b5f9a7458f17cab2b

  • SSDEEP

    3072:SvA1p08RqEQAIVEd2gG/vNlo0JFx/pANyCm0PQEKR/JnXHWP:S206xWgGxLxWN40PDKR/JnX2P

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

69.38.130.14:80

195.159.28.230:8080

162.241.204.233:8080

115.21.224.117:80

78.189.148.42:80

181.165.68.127:80

78.188.225.105:80

161.0.153.60:80

89.106.251.163:80

172.125.40.123:80

5.39.91.110:7080

110.145.11.73:80

190.251.200.206:80

144.217.7.207:7080

75.109.111.18:80

75.177.207.146:80

139.59.60.244:8080

70.183.211.3:80

95.213.236.64:8080

61.19.246.238:443

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\4d23c39732b86975a61f285995058e5e_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d23c39732b86975a61f285995058e5e_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4860
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Dokftmtktgrey\akyrfgmlgktm.rmt",EnfQ
        3⤵
        • Loads dropped DLL
        PID:2056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Dokftmtktgrey\akyrfgmlgktm.rmt

    Filesize

    340KB

    MD5

    4d23c39732b86975a61f285995058e5e

    SHA1

    30bc710fe7fec286f312fef32ab55993ce8bd793

    SHA256

    431c536eff5693512706944e92d7ff45009dfa7aee9f7b65ecf3bb9b3a7b3b79

    SHA512

    55f602a974c8b6024633eeffd2118746a13e0a19cd93588622eb642ed90440bc4caf5dc78099dbd3c402be097c8ff9df965e13290946a25b5f9a7458f17cab2b

  • memory/4860-0-0x0000000000D30000-0x0000000000D50000-memory.dmp

    Filesize

    128KB

  • memory/4860-1-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB

  • memory/4860-3-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB