Analysis

  • max time kernel
    137s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2022 09:04

General

  • Target

    04127316b9d7776ed0054f2a1d0a69e9475ece1f5790d95cf9d46a291026d9dc.dll

  • Size

    252KB

  • MD5

    d0992fffda8fd4acbe44c1b07dd0b4dd

  • SHA1

    bbaca5532b18e7c8506a7d4be008a6e4c897e43e

  • SHA256

    04127316b9d7776ed0054f2a1d0a69e9475ece1f5790d95cf9d46a291026d9dc

  • SHA512

    0b715ae50791d1c30df8810948cfa7d99ccb7f092510eb5aa3e61a218a1b96052b2c6ba61fa5ce1509aa55bb2dc7c722fc52062854256a5ea48e59b3aff184f4

  • SSDEEP

    6144:9ks3h7Usv9KgNXyyPSkDTQhJh1WTB5TCa:9kMgwWyqkDT0WTfWa

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

81.0.236.93:443

94.177.248.64:443

66.42.55.5:7080

103.8.26.103:8080

185.184.25.237:8080

45.76.176.10:8080

188.93.125.116:8080

103.8.26.102:8080

178.79.147.66:8080

58.227.42.236:80

45.118.135.203:7080

103.75.201.2:443

195.154.133.20:443

45.142.114.231:8080

212.237.5.209:443

207.38.84.195:8080

104.251.214.46:8080

138.185.72.26:8080

51.68.175.8:8080

210.57.217.132:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Blocklisted process makes network request 8 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\04127316b9d7776ed0054f2a1d0a69e9475ece1f5790d95cf9d46a291026d9dc.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4676
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\04127316b9d7776ed0054f2a1d0a69e9475ece1f5790d95cf9d46a291026d9dc.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4608
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\04127316b9d7776ed0054f2a1d0a69e9475ece1f5790d95cf9d46a291026d9dc.dll",Control_RunDLL
        3⤵
        • Drops file in System32 directory
        • Suspicious behavior: RenamesItself
        • Suspicious use of WriteProcessMemory
        PID:2192
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ebvmcxgtnhiavda\twqhccqwutqji.oor",kESzvHJjSdWtzZB
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:3116
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ebvmcxgtnhiavda\twqhccqwutqji.oor",Control_RunDLL
            5⤵
            • Blocklisted process makes network request
            • Loads dropped DLL
            • Suspicious behavior: EnumeratesProcesses
            PID:804

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Ebvmcxgtnhiavda\twqhccqwutqji.oor

    Filesize

    252KB

    MD5

    d0992fffda8fd4acbe44c1b07dd0b4dd

    SHA1

    bbaca5532b18e7c8506a7d4be008a6e4c897e43e

    SHA256

    04127316b9d7776ed0054f2a1d0a69e9475ece1f5790d95cf9d46a291026d9dc

    SHA512

    0b715ae50791d1c30df8810948cfa7d99ccb7f092510eb5aa3e61a218a1b96052b2c6ba61fa5ce1509aa55bb2dc7c722fc52062854256a5ea48e59b3aff184f4

  • C:\Windows\SysWOW64\Ebvmcxgtnhiavda\twqhccqwutqji.oor

    Filesize

    252KB

    MD5

    d0992fffda8fd4acbe44c1b07dd0b4dd

    SHA1

    bbaca5532b18e7c8506a7d4be008a6e4c897e43e

    SHA256

    04127316b9d7776ed0054f2a1d0a69e9475ece1f5790d95cf9d46a291026d9dc

    SHA512

    0b715ae50791d1c30df8810948cfa7d99ccb7f092510eb5aa3e61a218a1b96052b2c6ba61fa5ce1509aa55bb2dc7c722fc52062854256a5ea48e59b3aff184f4

  • memory/804-139-0x0000000000000000-mapping.dmp

  • memory/804-141-0x0000000010000000-0x0000000010028000-memory.dmp

    Filesize

    160KB

  • memory/804-142-0x0000000010000000-0x0000000010028000-memory.dmp

    Filesize

    160KB

  • memory/2192-133-0x0000000000000000-mapping.dmp

  • memory/2192-135-0x0000000010000000-0x0000000010028000-memory.dmp

    Filesize

    160KB

  • memory/2192-137-0x0000000010000000-0x0000000010028000-memory.dmp

    Filesize

    160KB

  • memory/3116-136-0x0000000000000000-mapping.dmp

  • memory/4608-132-0x0000000000000000-mapping.dmp

  • memory/4608-134-0x0000000010000000-0x0000000010028000-memory.dmp

    Filesize

    160KB