Analysis

  • max time kernel
    134s
  • max time network
    130s
  • 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 09:36

General

  • Target

    2fd8b79298b2379b06c7a53f66210f07_JaffaCakes118.dll

  • Size

    346KB

  • MD5

    2fd8b79298b2379b06c7a53f66210f07

  • SHA1

    b1d908d7269c0ad8a6a199c7f8ba11a135aa0b5f

  • SHA256

    5f8a58e4921892171b5e17cd90631408fd62797e66d199ffe82b4ac6f00f92f5

  • SHA512

    e14ca65290b46720ad589d7a9db60bc489220291f97cf25b230f0be43a2871030f33e5ac199bdb30b3666645763bf2633b7f742bd94e622ce5c4248d54a06437

  • SSDEEP

    3072:G82jpiC2JG7HZb7XWQml/jz8A4diTE90Q6kF4CKAYRkcj:V2L7HN7Kl/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).

  • 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\2fd8b79298b2379b06c7a53f66210f07_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:552
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fd8b79298b2379b06c7a53f66210f07_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1212
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ewvtyh\wvnef.mxn",ExUncJPB
        3⤵
        • Loads dropped DLL
        PID:1556
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4164,i,18261153038209191383,10347744459236715365,262144 --variations-seed-version --mojo-platform-channel-handle=4020 /prefetch:8
    1⤵
      PID:1584

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\Ewvtyh\wvnef.mxn

      Filesize

      346KB

      MD5

      2fd8b79298b2379b06c7a53f66210f07

      SHA1

      b1d908d7269c0ad8a6a199c7f8ba11a135aa0b5f

      SHA256

      5f8a58e4921892171b5e17cd90631408fd62797e66d199ffe82b4ac6f00f92f5

      SHA512

      e14ca65290b46720ad589d7a9db60bc489220291f97cf25b230f0be43a2871030f33e5ac199bdb30b3666645763bf2633b7f742bd94e622ce5c4248d54a06437

    • memory/1212-1-0x0000000010000000-0x0000000010024000-memory.dmp

      Filesize

      144KB

    • memory/1212-0-0x0000000000690000-0x00000000006B1000-memory.dmp

      Filesize

      132KB

    • memory/1212-3-0x0000000010000000-0x0000000010024000-memory.dmp

      Filesize

      144KB