Analysis

  • max time kernel
    4294220s
  • max time network
    177s
  • platform
    windows7_x64
  • resource
    win7-20220310-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 5 IoCs

    Detects Emotet payload in memory.

  • Executes dropped EXE 1 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 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 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:792
    • C:\Windows\SysWOW64\rpcnsh\vds_ps.exe
      "C:\Windows\SysWOW64\rpcnsh\vds_ps.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1732

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\rpcnsh\vds_ps.exe

    MD5

    e24933fc9ab2a5f6a809d80b4eb85259

    SHA1

    80b2b95f603a2f6133324daa3f51a69e88fc6072

    SHA256

    723589d641913ff9fe0265e45bd3669f2b3caf3513b4697a9e069fd5f5fb950b

    SHA512

    c70d24f62f6b82c1775d033fb33f5d253ba26a559b4e088f96e73a824e4810f32eaa878314a9e2940b2f1cbf31f6e4a17237888ad112f55c354ac0fdcac38f01

  • memory/792-58-0x0000000000260000-0x0000000000270000-memory.dmp

    Filesize

    64KB

  • memory/792-54-0x00000000001C0000-0x00000000001D2000-memory.dmp

    Filesize

    72KB

  • memory/792-61-0x00000000001B0000-0x00000000001BF000-memory.dmp

    Filesize

    60KB

  • memory/792-62-0x00000000758A1000-0x00000000758A3000-memory.dmp

    Filesize

    8KB

  • memory/1732-64-0x0000000000230000-0x0000000000242000-memory.dmp

    Filesize

    72KB

  • memory/1732-68-0x0000000000250000-0x0000000000260000-memory.dmp

    Filesize

    64KB