Analysis

  • max time kernel
    131s
  • max time network
    149s
  • resource
    win10v191014

General

  • Target

    0a0a7a3383595bd2bd42fa3a7148dd9cf4f048fcfbd7351b03507cb1936a88db

  • Sample

    191113-kmb4yzvrd2

  • SHA256

    0a0a7a3383595bd2bd42fa3a7148dd9cf4f048fcfbd7351b03507cb1936a88db

Score
N/A

Malware Config

Extracted

Family

emotet

C2

192.241.255.77:8080

74.208.125.192:443

165.227.156.155:443

104.239.175.211:8080

5.196.74.210:8080

144.139.247.220:80

206.189.98.125:8080

85.104.59.244:20

182.176.132.213:8090

37.187.2.199:443

171.101.153.86:990

190.226.44.20:21

192.81.213.192:8080

31.12.67.62:7080

95.128.43.213:8080

186.75.241.230:80

104.131.11.150:8080

46.105.131.87:80

152.89.236.214:8080

91.205.215.66:8080

rsa_pubkey.plain

Signatures

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Emotet Sync 1 IoCs
  • Drops file in system dir 11 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • emotet family
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Suspicious behavior: EmotetMutantsSpam 2 IoCs
  • Checks system information in the registry (likely anti-VM) 2 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a0a7a3383595bd2bd42fa3a7148dd9cf4f048fcfbd7351b03507cb1936a88db.exe
    "C:\Users\Admin\AppData\Local\Temp\0a0a7a3383595bd2bd42fa3a7148dd9cf4f048fcfbd7351b03507cb1936a88db.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4972
  • C:\Users\Admin\AppData\Local\Temp\0a0a7a3383595bd2bd42fa3a7148dd9cf4f048fcfbd7351b03507cb1936a88db.exe
    --c190b052
    1⤵
    • Emotet Sync
    • Drops file in system dir
    • Suspicious behavior: RenamesItself
    • Suspicious behavior: EmotetMutantsSpam
    PID:5028
  • C:\Windows\system32\SppExtComObj.exe
    C:\Windows\system32\SppExtComObj.exe -Embedding
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5076
  • 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
    1⤵
      PID:5104
    • C:\Windows\SysWOW64\cipherwnd.exe
      "C:\Windows\SysWOW64\cipherwnd.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4076
    • C:\Windows\SysWOW64\cipherwnd.exe
      --978bc058
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Drops file in system dir
      • Suspicious behavior: EmotetMutantsSpam
      PID:4068
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s BITS
      1⤵
      • Drops file in system dir
      PID:3336
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
      1⤵
        PID:4636
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s DoSvc
        1⤵
        • Checks system information in the registry (likely anti-VM)
        PID:4228
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k unistacksvcgroup
        1⤵
          PID:4900
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
          1⤵
          • Windows security modification
          PID:2496

        Network

        MITRE ATT&CK Enterprise v15

        MITRE ATT&CK Additional techniques

        • T1089

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\403f0cc78adafaecdb503a6c6424923d_293fa5bd-edfb-4bba-800e-a7dce3ea3438
        • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-634046074-2673730973-2644684987-1000\0f5007522459c86e95ffcc62f32308f1_293fa5bd-edfb-4bba-800e-a7dce3ea3438
        • memory/4068-6-0x0000000000180000-0x0000000000193000-memory.dmp
          Filesize

          76KB

        • memory/4068-7-0x0000000000400000-0x0000000000438000-memory.dmp
          Filesize

          224KB

        • memory/4972-0-0x0000000000680000-0x0000000000693000-memory.dmp
          Filesize

          76KB

        • memory/5028-2-0x0000000000690000-0x00000000006A3000-memory.dmp
          Filesize

          76KB

        • memory/5028-3-0x0000000000400000-0x0000000000438000-memory.dmp
          Filesize

          224KB