Analysis

  • max time kernel
    131s
  • resource
    win10v191014
  • submitted
    12-12-2019 13:40

General

  • Target

    2abe79c1ae41bb9e67aa0a75f7b9689b385556561b8cd6875f2aff68a2910713.exe

  • Sample

    191212-ap2fhg9ths

  • SHA256

    2abe79c1ae41bb9e67aa0a75f7b9689b385556561b8cd6875f2aff68a2910713

Malware Config

Extracted

Family

emotet

C2

96.234.38.186:8080

120.51.83.89:443

98.15.140.226:80

143.95.101.72:8080

46.105.128.215:8080

69.30.205.162:7080

192.161.190.171:8080

178.134.1.238:80

58.93.151.148:80

23.253.207.142:8080

190.101.87.170:80

177.103.201.23:80

190.189.79.73:80

46.17.6.116:8080

165.100.148.200:443

181.47.235.26:993

42.51.192.231:8080

128.92.54.20:80

89.215.225.15:80

77.245.12.212:80

rsa_pubkey.plain

Signatures

  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Suspicious behavior: EmotetMutantsSpam 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Drops file in System32 directory 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • 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.

  • Windows security modification 2 TTPs 2 IoCs
  • Emotet

    Emotet is a trojan that is primarily spread through spam emails

Processes

  • C:\Users\Admin\AppData\Local\Temp\2abe79c1ae41bb9e67aa0a75f7b9689b385556561b8cd6875f2aff68a2910713.exe
    "C:\Users\Admin\AppData\Local\Temp\2abe79c1ae41bb9e67aa0a75f7b9689b385556561b8cd6875f2aff68a2910713.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4944
    • C:\Users\Admin\AppData\Local\Temp\2abe79c1ae41bb9e67aa0a75f7b9689b385556561b8cd6875f2aff68a2910713.exe
      --6eedf3de
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: EmotetMutantsSpam
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      PID:4272
  • C:\Windows\system32\SppExtComObj.exe
    C:\Windows\system32\SppExtComObj.exe -Embedding
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5024
    • 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:5052
    • C:\Windows\SysWOW64\angleshades.exe
      "C:\Windows\SysWOW64\angleshades.exe"
      1⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1492
      • C:\Windows\SysWOW64\angleshades.exe
        --ea7c284f
        2⤵
        • Suspicious use of SetWindowsHookEx
        • Suspicious behavior: EmotetMutantsSpam
        • Suspicious behavior: EnumeratesProcesses
        • Drops file in System32 directory
        PID:4412
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s BITS
      1⤵
      • Drops file in Windows directory
      PID:4060
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
      1⤵
        PID:3692
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s DoSvc
        1⤵
          PID:4208
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k unistacksvcgroup
          1⤵
            PID:4276
          • \??\c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
            1⤵
              PID:4864

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Defense Evasion

            Disabling Security Tools

            1
            T1089

            Modify Registry

            1
            T1112

            Discovery

            Query Registry

            1
            T1012

            System Information Discovery

            1
            T1082

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1492-3-0x0000000000670000-0x0000000000687000-memory.dmp
              Filesize

              92KB

            • memory/4272-1-0x00000000006E0000-0x00000000006F7000-memory.dmp
              Filesize

              92KB

            • memory/4272-2-0x0000000000400000-0x0000000000459000-memory.dmp
              Filesize

              356KB

            • memory/4412-4-0x0000000000520000-0x0000000000537000-memory.dmp
              Filesize

              92KB

            • memory/4412-5-0x0000000000400000-0x0000000000459000-memory.dmp
              Filesize

              356KB

            • memory/4944-0-0x0000000002320000-0x0000000002337000-memory.dmp
              Filesize

              92KB