Analysis

  • max time kernel
    131s
  • max time network
    151s
  • resource
    win10v191014

General

  • Target

    d926bffb7d4d8e2cac599c5ad0acdd3ec04001481f26a507f7bd15287aa85f1b

  • Sample

    191216-8xx41bl79n

  • SHA256

    d926bffb7d4d8e2cac599c5ad0acdd3ec04001481f26a507f7bd15287aa85f1b

Score
N/A

Malware Config

Extracted

Family

emotet

C2

66.209.97.122:8080

174.77.190.137:8080

104.137.176.186:80

165.227.156.155:443

167.99.105.223:7080

67.225.179.64:8080

176.31.200.130:8080

5.196.74.210:8080

82.155.161.203:80

101.187.247.29:80

120.150.246.241:80

73.11.153.178:8080

91.205.215.66:443

70.46.247.81:80

24.93.212.32:80

139.130.241.252:443

70.175.171.251:80

217.160.182.191:8080

104.236.246.93:8080

98.24.231.64:80

rsa_pubkey.plain

Signatures

  • Checks system information in the registry (likely anti-VM) 2 TTPs 2 IoCs
  • emotet family
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Emotet Sync 1 IoCs
  • Suspicious behavior: EmotetMutantsSpam 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Drops file in system dir 11 IoCs
  • Windows security modification 2 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d926bffb7d4d8e2cac599c5ad0acdd3ec04001481f26a507f7bd15287aa85f1b.exe
    "C:\Users\Admin\AppData\Local\Temp\d926bffb7d4d8e2cac599c5ad0acdd3ec04001481f26a507f7bd15287aa85f1b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetWindowsHookEx
    PID:4892
  • C:\Users\Admin\AppData\Local\Temp\d926bffb7d4d8e2cac599c5ad0acdd3ec04001481f26a507f7bd15287aa85f1b.exe
    --c4007a16
    1⤵
    • Emotet Sync
    • Suspicious behavior: EmotetMutantsSpam
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Drops file in system dir
    PID:4972
  • C:\Windows\system32\SppExtComObj.exe
    C:\Windows\system32\SppExtComObj.exe -Embedding
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4988
  • 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:5016
    • C:\Windows\SysWOW64\attribchar.exe
      "C:\Windows\SysWOW64\attribchar.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      PID:324
    • C:\Windows\SysWOW64\attribchar.exe
      --b85c6d32
      1⤵
      • Suspicious behavior: EmotetMutantsSpam
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Drops file in system dir
      PID:1888
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s BITS
      1⤵
      • Drops file in system dir
      PID:4032
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
      1⤵
        PID:3168
      • \??\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:4180
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
        1⤵
        • Windows security modification
        PID:3992
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k unistacksvcgroup
        1⤵
          PID:3028

        Network

        MITRE ATT&CK Enterprise v15

        MITRE ATT&CK Additional techniques

        • T1089

        Replay Monitor

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        Downloads

        • memory/324-3-0x0000000000D60000-0x0000000000D77000-memory.dmp

          Filesize

          92KB

        • memory/1888-4-0x0000000000DD0000-0x0000000000DE7000-memory.dmp

          Filesize

          92KB

        • memory/1888-5-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/4892-0-0x0000000000630000-0x0000000000647000-memory.dmp

          Filesize

          92KB

        • memory/4972-1-0x00000000005E0000-0x00000000005F7000-memory.dmp

          Filesize

          92KB

        • memory/4972-2-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB