Analysis

  • max time kernel
    143s
  • 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 04:35

General

  • Target

    2f02dacf9d7bf0ef67be9495ab5bbbd3_JaffaCakes118.dll

  • Size

    617KB

  • MD5

    2f02dacf9d7bf0ef67be9495ab5bbbd3

  • SHA1

    fd3447f91ededb1cb87df8565276802f56ba6684

  • SHA256

    8cf58577ebd6138bcd98519e90250d24b977bbdff60f13da28f345857a875c6b

  • SHA512

    3088a5516dc091d09d8c2bc7225fa303bbf032fca8df1265793867590ddb51cdc515e590a327d272ea7fc47eaeae157d1824fd2e6180703f10232fcb71a3e7d1

  • SSDEEP

    12288:OYzchQVZnkmt/70MWugxPJZFpf0c1pHRbdJ8CA88fzsBsI3+Dc:B4KV5Hpt8bZHLH+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 2 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\2f02dacf9d7bf0ef67be9495ab5bbbd3_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4264
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f02dacf9d7bf0ef67be9495ab5bbbd3_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:368
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Crsrrfubglv\obxevrradc.uwh",HzmUWo
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1020
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Crsrrfubglv\obxevrradc.uwh",#1
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:4420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Crsrrfubglv\obxevrradc.uwh

    Filesize

    617KB

    MD5

    2f02dacf9d7bf0ef67be9495ab5bbbd3

    SHA1

    fd3447f91ededb1cb87df8565276802f56ba6684

    SHA256

    8cf58577ebd6138bcd98519e90250d24b977bbdff60f13da28f345857a875c6b

    SHA512

    3088a5516dc091d09d8c2bc7225fa303bbf032fca8df1265793867590ddb51cdc515e590a327d272ea7fc47eaeae157d1824fd2e6180703f10232fcb71a3e7d1

  • memory/368-0-0x0000000000B30000-0x0000000000B57000-memory.dmp

    Filesize

    156KB

  • memory/368-1-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/368-2-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/368-3-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1020-5-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/1020-8-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/1020-6-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/4420-10-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/4420-11-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/4420-12-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB

  • memory/4420-14-0x0000000000400000-0x000000000049E000-memory.dmp

    Filesize

    632KB