Analysis

  • max time kernel
    132s
  • resource
    win10v191014
  • submitted
    02-12-2019 07:23

General

  • Target

    00231e07dd4f6e254ea6587a02523ee51dfe08726ee137946424f902bc4c5d3c.exe

  • Sample

    191202-lqkjljy55n

  • SHA256

    00231e07dd4f6e254ea6587a02523ee51dfe08726ee137946424f902bc4c5d3c

Malware Config

Extracted

Family

emotet

C2

190.12.119.180:443

47.50.251.130:80

107.2.2.28:80

59.110.18.236:443

45.56.88.91:443

51.68.220.244:8080

206.81.10.215:8080

186.75.241.230:80

59.103.164.174:80

209.97.168.52:8080

31.12.67.62:7080

206.189.112.148:8080

83.136.245.190:8080

189.209.217.49:80

87.230.19.21:8080

190.53.135.159:21

120.150.246.241:80

91.205.215.66:8080

128.65.154.183:443

104.236.246.93:8080

rsa_pubkey.plain

Signatures

  • Drops file in System32 directory 6 IoCs
  • Checks system information in the registry 2 TTPs 2 IoCs

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

  • Windows security modification 2 TTPs 2 IoCs
  • Suspicious behavior: RenamesItself 1 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
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Suspicious behavior: EmotetMutantsSpam 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\00231e07dd4f6e254ea6587a02523ee51dfe08726ee137946424f902bc4c5d3c.exe
    "C:\Users\Admin\AppData\Local\Temp\00231e07dd4f6e254ea6587a02523ee51dfe08726ee137946424f902bc4c5d3c.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4816
    • C:\Users\Admin\AppData\Local\Temp\00231e07dd4f6e254ea6587a02523ee51dfe08726ee137946424f902bc4c5d3c.exe
      --42f01c2b
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: EmotetMutantsSpam
      PID:4900
  • C:\Windows\system32\SppExtComObj.exe
    C:\Windows\system32\SppExtComObj.exe -Embedding
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5004
    • 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:5032
    • C:\Windows\SysWOW64\smocompon.exe
      "C:\Windows\SysWOW64\smocompon.exe"
      1⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1696
      • C:\Windows\SysWOW64\smocompon.exe
        --a915c7b9
        2⤵
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious behavior: EmotetMutantsSpam
        PID:1864
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s BITS
      1⤵
      • Drops file in Windows directory
      PID:4284
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
      1⤵
        PID:4056
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s DoSvc
        1⤵
          PID:60
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k unistacksvcgroup
          1⤵
            PID:3020
          • \??\c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
            1⤵
              PID:2540

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • memory/1696-4-0x0000000000DD0000-0x0000000000DE7000-memory.dmp

              Filesize

              92KB

            • memory/1864-6-0x0000000000C80000-0x0000000000C97000-memory.dmp

              Filesize

              92KB

            • memory/1864-7-0x0000000000400000-0x000000000046B000-memory.dmp

              Filesize

              428KB

            • memory/4816-0-0x0000000000670000-0x0000000000687000-memory.dmp

              Filesize

              92KB

            • memory/4900-2-0x0000000002150000-0x0000000002167000-memory.dmp

              Filesize

              92KB

            • memory/4900-3-0x0000000000400000-0x000000000046B000-memory.dmp

              Filesize

              428KB