Analysis

  • max time kernel
    153s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    15-03-2022 19:07

General

  • Target

    723589d641913ff9fe0265e45bd3669f2b3caf3513b4697a9e069fd5f5fb950b.exe

  • Size

    220KB

  • MD5

    e24933fc9ab2a5f6a809d80b4eb85259

  • SHA1

    80b2b95f603a2f6133324daa3f51a69e88fc6072

  • SHA256

    723589d641913ff9fe0265e45bd3669f2b3caf3513b4697a9e069fd5f5fb950b

  • SHA512

    c70d24f62f6b82c1775d033fb33f5d253ba26a559b4e088f96e73a824e4810f32eaa878314a9e2940b2f1cbf31f6e4a17237888ad112f55c354ac0fdcac38f01

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

174.106.122.139:80

159.203.116.47:8080

173.249.6.108:443

104.236.246.93:8080

174.45.13.118:80

137.59.187.107:8080

94.200.114.161:80

37.187.72.193:8080

67.10.155.92:80

121.124.124.40:7080

24.43.99.75:80

75.139.38.211:80

109.74.5.95:8080

137.119.36.33:80

74.134.41.124:80

66.65.136.14:80

94.1.108.190:443

181.169.235.7:80

79.137.83.50:443

104.131.44.150:8080

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Emotet Payload 7 IoCs

    Detects Emotet payload in memory.

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: RenamesItself 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\723589d641913ff9fe0265e45bd3669f2b3caf3513b4697a9e069fd5f5fb950b.exe
    "C:\Users\Admin\AppData\Local\Temp\723589d641913ff9fe0265e45bd3669f2b3caf3513b4697a9e069fd5f5fb950b.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3860
    • C:\Windows\SysWOW64\convert\Windows.Networking.NetworkOperators.HotspotAuthentication.exe
      "C:\Windows\SysWOW64\convert\Windows.Networking.NetworkOperators.HotspotAuthentication.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Windows\SysWOW64\btpanui\dmenrollengine.exe
        "C:\Windows\SysWOW64\btpanui\dmenrollengine.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2176

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\btpanui\dmenrollengine.exe

    MD5

    e24933fc9ab2a5f6a809d80b4eb85259

    SHA1

    80b2b95f603a2f6133324daa3f51a69e88fc6072

    SHA256

    723589d641913ff9fe0265e45bd3669f2b3caf3513b4697a9e069fd5f5fb950b

    SHA512

    c70d24f62f6b82c1775d033fb33f5d253ba26a559b4e088f96e73a824e4810f32eaa878314a9e2940b2f1cbf31f6e4a17237888ad112f55c354ac0fdcac38f01

  • C:\Windows\SysWOW64\convert\Windows.Networking.NetworkOperators.HotspotAuthentication.exe

    MD5

    e24933fc9ab2a5f6a809d80b4eb85259

    SHA1

    80b2b95f603a2f6133324daa3f51a69e88fc6072

    SHA256

    723589d641913ff9fe0265e45bd3669f2b3caf3513b4697a9e069fd5f5fb950b

    SHA512

    c70d24f62f6b82c1775d033fb33f5d253ba26a559b4e088f96e73a824e4810f32eaa878314a9e2940b2f1cbf31f6e4a17237888ad112f55c354ac0fdcac38f01

  • memory/2176-155-0x0000000002110000-0x0000000002120000-memory.dmp

    Filesize

    64KB

  • memory/2176-151-0x00000000020F0000-0x0000000002102000-memory.dmp

    Filesize

    72KB

  • memory/2536-143-0x0000000002060000-0x0000000002072000-memory.dmp

    Filesize

    72KB

  • memory/2536-147-0x00000000005B0000-0x00000000005C0000-memory.dmp

    Filesize

    64KB

  • memory/3860-134-0x0000000002220000-0x0000000002232000-memory.dmp

    Filesize

    72KB

  • memory/3860-138-0x0000000002240000-0x0000000002250000-memory.dmp

    Filesize

    64KB

  • memory/3860-141-0x0000000002210000-0x000000000221F000-memory.dmp

    Filesize

    60KB