Analysis

  • max time kernel
    133s
  • resource
    win10v191014
  • submitted
    02-12-2019 20:14

General

  • Target

    0d7fc00dbc413ea4ab77ac56552291eece7a65361356c5b35e8b8b77d55c586d.exe

  • Sample

    191202-5h68qnzyfs

  • SHA256

    0d7fc00dbc413ea4ab77ac56552291eece7a65361356c5b35e8b8b77d55c586d

Malware Config

Extracted

Family

emotet

C2

72.69.99.47:80

190.5.162.204:80

123.142.37.165:80

50.63.13.135:8080

222.239.249.166:443

192.161.190.171:8080

80.93.48.49:7080

195.201.56.68:7080

181.44.166.242:80

161.18.233.114:80

51.38.134.203:8080

212.129.14.27:8080

172.90.70.168:443

45.129.121.222:443

189.180.105.125:443

186.66.224.182:990

122.11.164.183:80

138.197.140.163:8080

211.218.105.101:80

212.112.113.235:80

rsa_pubkey.plain

Signatures

  • Windows security modification 2 TTPs 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Emotet

    Emotet is a trojan that is primarily spread through spam emails

  • Drops file in Windows directory 1 IoCs
  • Checks system information in the registry 2 TTPs 2 IoCs

    System information is often read in order to detect sandboxing environments.

  • Suspicious use of WriteProcessMemory 3 IoCs
  • Suspicious behavior: EmotetMutantsSpam 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Drops file in System32 directory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d7fc00dbc413ea4ab77ac56552291eece7a65361356c5b35e8b8b77d55c586d.exe
    "C:\Users\Admin\AppData\Local\Temp\0d7fc00dbc413ea4ab77ac56552291eece7a65361356c5b35e8b8b77d55c586d.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Users\Admin\AppData\Local\Temp\0d7fc00dbc413ea4ab77ac56552291eece7a65361356c5b35e8b8b77d55c586d.exe
      --7997056f
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: EmotetMutantsSpam
      • Suspicious behavior: RenamesItself
      • Drops file in System32 directory
      PID:5008
  • C:\Windows\system32\SppExtComObj.exe
    C:\Windows\system32\SppExtComObj.exe -Embedding
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5028
    • C:\Windows\System32\SLUI.exe
      "C:\Windows\System32\SLUI.exe" RuleId=eeba1977-569e-4571-b639-7623d8bfecc0;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=2de67392-b7a7-462a-b1ca-108dd189f588;NotificationInterval=1440;Trigger=TimerEvent
      2⤵
        PID:5056
    • C:\Windows\SysWOW64\serialinbox.exe
      "C:\Windows\SysWOW64\serialinbox.exe"
      1⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2584
      • C:\Windows\SysWOW64\serialinbox.exe
        --60cc9c68
        2⤵
        • Suspicious use of SetWindowsHookEx
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: EmotetMutantsSpam
        • Drops file in System32 directory
        PID:2144
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s BITS
      1⤵
      • Drops file in Windows directory
      PID:4540
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
      1⤵
        PID:3020
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s DoSvc
        1⤵
          PID:4356
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k unistacksvcgroup
          1⤵
            PID:4016
          • \??\c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
            1⤵
              PID:4216

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • memory/2144-6-0x00000000005B0000-0x00000000005C7000-memory.dmp

              Filesize

              92KB

            • memory/2144-7-0x0000000000400000-0x0000000000493000-memory.dmp

              Filesize

              588KB

            • memory/2584-4-0x0000000000510000-0x0000000000527000-memory.dmp

              Filesize

              92KB

            • memory/4936-0-0x00000000006F0000-0x0000000000707000-memory.dmp

              Filesize

              92KB

            • memory/5008-2-0x00000000005F0000-0x0000000000607000-memory.dmp

              Filesize

              92KB

            • memory/5008-3-0x0000000000400000-0x0000000000493000-memory.dmp

              Filesize

              588KB