Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-07-2024 05:18

General

  • Target

    2f1ca249b9cabcbae156adbc41654b3d_JaffaCakes118.dll

  • Size

    617KB

  • MD5

    2f1ca249b9cabcbae156adbc41654b3d

  • SHA1

    37c4c9c6bb57ddfcf1ad4f269f27afb361b27fa7

  • SHA256

    f667b790349af8d15bdce6a74e91d176d50c98c57c2e1905b3114828abf7b78f

  • SHA512

    61c44bcf6dffdff8d598a928c6a2786871cbc32abe0705c0ed0155aa7f4562ff219e364ff6dc4ed6964358f3de3198bf56fbaa8eda063581049c4ecc0028b83d

  • SSDEEP

    12288:OYzchQVZnkmt/70MWugxPJZFpf0c1pHjbdJ8CA88fzsBsI3+Dc:B4KV5Hpt8bZHLt+CSfasO+

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

C2

84.232.229.24:80

51.255.203.164:8080

217.160.169.110:8080

185.183.16.47:80

190.45.24.210:80

187.162.248.237:80

93.146.143.191:80

185.94.252.27:443

143.0.85.206:7080

80.15.100.37:80

85.105.239.184:443

94.176.234.118:443

62.84.75.50:80

137.74.106.111:7080

172.104.169.32:8080

46.105.114.137:8080

94.126.8.1:80

78.206.229.130:80

93.149.120.214:80

192.175.111.212:7080

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Blocklisted process makes network request 6 IoCs
  • Loads dropped DLL 4 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: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f1ca249b9cabcbae156adbc41654b3d_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:760
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f1ca249b9cabcbae156adbc41654b3d_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:872
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ocluepqak\nhlsingx.dtw",MvtEGqiVlsfFZio
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1108
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ocluepqak\nhlsingx.dtw",#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:2368

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Ocluepqak\nhlsingx.dtw

    Filesize

    617KB

    MD5

    2f1ca249b9cabcbae156adbc41654b3d

    SHA1

    37c4c9c6bb57ddfcf1ad4f269f27afb361b27fa7

    SHA256

    f667b790349af8d15bdce6a74e91d176d50c98c57c2e1905b3114828abf7b78f

    SHA512

    61c44bcf6dffdff8d598a928c6a2786871cbc32abe0705c0ed0155aa7f4562ff219e364ff6dc4ed6964358f3de3198bf56fbaa8eda063581049c4ecc0028b83d

  • memory/872-0-0x0000000001580000-0x00000000015A7000-memory.dmp

    Filesize

    156KB

  • memory/872-3-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/872-2-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/872-1-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1108-8-0x0000000000870000-0x0000000000894000-memory.dmp

    Filesize

    144KB

  • memory/1108-6-0x0000000000870000-0x000000000090E000-memory.dmp

    Filesize

    632KB

  • memory/1108-7-0x0000000000870000-0x000000000090E000-memory.dmp

    Filesize

    632KB

  • memory/2368-11-0x00000000006F0000-0x000000000078E000-memory.dmp

    Filesize

    632KB

  • memory/2368-12-0x00000000006F0000-0x0000000000714000-memory.dmp

    Filesize

    144KB

  • memory/2368-13-0x00000000006F0000-0x000000000078E000-memory.dmp

    Filesize

    632KB

  • memory/2368-15-0x00000000006F0000-0x0000000000714000-memory.dmp

    Filesize

    144KB

  • memory/2368-16-0x00000000006F0000-0x000000000078E000-memory.dmp

    Filesize

    632KB