Analysis

  • max time kernel
    93s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-07-2024 16:18

General

  • Target

    39db9ed0907cb5771d01d2b9f718d2ed_JaffaCakes118.dll

  • Size

    340KB

  • MD5

    39db9ed0907cb5771d01d2b9f718d2ed

  • SHA1

    63f953487695f7b26cf6aaf04eb13c28d8c5f41d

  • SHA256

    da1288874cc6a6ae6ea8d314f98ffb4ed743e1fa801cffb32a283cc56fb7c25d

  • SHA512

    4cfb0ffd5199c4ebb263baaa52593cf0894e990cf71c133486b821c04595d4cd1affd7d6caabbc7a52b81fe1ad2c8244f57fdfb5cd714795d11b2dc8507a3874

  • SSDEEP

    3072:QvA1p08RqEQAIVEd2gG/vNlo0JFx/pANyCm0PQEKR/JnXRca:Q206xWgGxLxWN40PDKR/JnXya

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\39db9ed0907cb5771d01d2b9f718d2ed_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\39db9ed0907cb5771d01d2b9f718d2ed_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2832
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ylycswhyepuevo\utvvyrngtxifs.liy",QFyzb
        3⤵
        • Loads dropped DLL
        PID:2384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Ylycswhyepuevo\utvvyrngtxifs.liy

    Filesize

    340KB

    MD5

    39db9ed0907cb5771d01d2b9f718d2ed

    SHA1

    63f953487695f7b26cf6aaf04eb13c28d8c5f41d

    SHA256

    da1288874cc6a6ae6ea8d314f98ffb4ed743e1fa801cffb32a283cc56fb7c25d

    SHA512

    4cfb0ffd5199c4ebb263baaa52593cf0894e990cf71c133486b821c04595d4cd1affd7d6caabbc7a52b81fe1ad2c8244f57fdfb5cd714795d11b2dc8507a3874

  • memory/2832-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2832-1-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB

  • memory/2832-3-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB