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Analysis

  • max time kernel
    137s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/08/2024, 23:18

General

  • Target

    821f6a76126dd18578d9cf43d1258504_JaffaCakes118.dll

  • Size

    346KB

  • MD5

    821f6a76126dd18578d9cf43d1258504

  • SHA1

    34038923ab1f38b1fb742f9a9f35c5935895cdc1

  • SHA256

    32267595b9a7cd2d34279bdcbf25470b296f843a1cd67ceaa96ed3a1bd81d282

  • SHA512

    71669d9a490a6b74f406f7d9bc380b67af63e99be1d19367f68c83e1988990101eebe0990cf99e7d05e8f51a763cbb7793ccd4cc641efe537ce6e74f74b56d75

  • SSDEEP

    3072:I82jpiC2JG7HZb7XWQml/jz8A4diTE90Q6kF4CKAYRkcj:b2L7HN7Kl/jLA90QECrYRpj

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

C2

84.232.229.24:80

51.255.203.164:8080

217.160.169.110:8080

51.15.7.145:80

177.85.167.10:80

186.177.174.163:80

190.114.254.163:8080

185.183.16.47:80

149.202.72.142:7080

181.30.61.163:443

31.27.59.105:80

50.28.51.143:8080

68.183.190.199:8080

85.214.26.7:8080

137.74.106.111:7080

200.75.39.254:80

85.105.239.184:443

190.45.24.210:80

170.81.48.2:80

109.101.137.162:8080

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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\821f6a76126dd18578d9cf43d1258504_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5032
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\821f6a76126dd18578d9cf43d1258504_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2372
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Aeqnvdfqkl\rhpdfiyai.kna",nVOitPAgwlfivs
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Aeqnvdfqkl\rhpdfiyai.kna

    Filesize

    346KB

    MD5

    821f6a76126dd18578d9cf43d1258504

    SHA1

    34038923ab1f38b1fb742f9a9f35c5935895cdc1

    SHA256

    32267595b9a7cd2d34279bdcbf25470b296f843a1cd67ceaa96ed3a1bd81d282

    SHA512

    71669d9a490a6b74f406f7d9bc380b67af63e99be1d19367f68c83e1988990101eebe0990cf99e7d05e8f51a763cbb7793ccd4cc641efe537ce6e74f74b56d75

  • memory/2372-0-0x0000000000F60000-0x0000000000F81000-memory.dmp

    Filesize

    132KB

  • memory/2372-1-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB

  • memory/2372-3-0x0000000010000000-0x0000000010024000-memory.dmp

    Filesize

    144KB