Analysis

  • max time kernel
    119s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    05-04-2022 21:15

General

  • Target

    e5-eca8310649c37777dbbb79926e00a128.dll

  • Size

    420KB

  • MD5

    eca8310649c37777dbbb79926e00a128

  • SHA1

    430054a3c161b434b9247d843398411c4023ed84

  • SHA256

    55bd39ed957ebc1545c4ba8a685ecd7a934063bad4345fc69ab82d7b24335d8a

  • SHA512

    2f5cc0fa915c3f15516db4e57c8f15f338775f1b6015cb92de3944488a422d36ed3917340bdd1987517cdb612d227c7e1aba5980012f176ca0a743a9d2131bed

Malware Config

Extracted

Family

emotet

Botnet

Epoch5

C2

5.189.160.61:443

94.177.178.26:8080

202.29.239.162:443

54.38.143.246:7080

119.59.125.140:8080

185.148.168.15:8080

188.166.229.148:443

2.58.16.87:8080

104.131.62.48:8080

103.82.248.59:7080

37.59.209.141:8080

103.133.214.242:8080

195.77.239.39:8080

128.199.192.135:8080

78.47.204.80:443

59.148.253.194:443

87.106.97.83:7080

45.71.195.104:8080

85.214.67.203:8080

139.196.72.155:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e5-eca8310649c37777dbbb79926e00a128.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\e5-eca8310649c37777dbbb79926e00a128.dll
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4520
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Fkcyocwucg\ccuvdbyta.ybs"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:2532

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Fkcyocwucg\ccuvdbyta.ybs
    Filesize

    420KB

    MD5

    eca8310649c37777dbbb79926e00a128

    SHA1

    430054a3c161b434b9247d843398411c4023ed84

    SHA256

    55bd39ed957ebc1545c4ba8a685ecd7a934063bad4345fc69ab82d7b24335d8a

    SHA512

    2f5cc0fa915c3f15516db4e57c8f15f338775f1b6015cb92de3944488a422d36ed3917340bdd1987517cdb612d227c7e1aba5980012f176ca0a743a9d2131bed

  • memory/2532-128-0x0000000000000000-mapping.dmp
  • memory/2532-130-0x0000000002F00000-0x0000000002F23000-memory.dmp
    Filesize

    140KB

  • memory/4520-124-0x0000000000000000-mapping.dmp
  • memory/4520-126-0x00000000025A0000-0x00000000025C3000-memory.dmp
    Filesize

    140KB