Analysis

  • max time kernel
    311s
  • max time network
    317s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-06-2022 13:51

General

  • Target

    455d08a5e2a10427eb1aec8f9ee931a5ae10b41acb9cf0e9090f87722a96b9ce.exe

  • Size

    296KB

  • MD5

    ac35802d7f24f8c48231c4ad3dba6ca8

  • SHA1

    d4e091c21fbd85e1b3ab5ff2f03eb89df2ffb9bd

  • SHA256

    455d08a5e2a10427eb1aec8f9ee931a5ae10b41acb9cf0e9090f87722a96b9ce

  • SHA512

    f980d12472e06782a1e05a0c9c22e60a54841d63b611b3ecc71fb8475305fc00d01fc266ec21899d0e0dede7ed850f9930ede17d01b874385415450ca952020a

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

47.146.39.147:80

152.170.205.73:80

185.201.9.197:8080

64.207.182.168:8080

51.89.36.180:443

85.105.111.166:80

139.59.60.244:8080

187.161.206.24:80

98.150.169.135:80

123.176.25.234:80

74.40.205.197:443

24.179.13.119:80

188.219.31.12:80

172.86.188.251:8080

76.175.162.101:80

72.27.212.209:8080

173.173.254.105:80

120.150.60.189:80

139.99.158.11:443

155.186.9.160:80

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
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\455d08a5e2a10427eb1aec8f9ee931a5ae10b41acb9cf0e9090f87722a96b9ce.exe
    "C:\Users\Admin\AppData\Local\Temp\455d08a5e2a10427eb1aec8f9ee931a5ae10b41acb9cf0e9090f87722a96b9ce.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4644
    • C:\Windows\SysWOW64\Windows.AccountsControl\expsrv.exe
      "C:\Windows\SysWOW64\Windows.AccountsControl\expsrv.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2296

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Windows.AccountsControl\expsrv.exe

    Filesize

    296KB

    MD5

    ac35802d7f24f8c48231c4ad3dba6ca8

    SHA1

    d4e091c21fbd85e1b3ab5ff2f03eb89df2ffb9bd

    SHA256

    455d08a5e2a10427eb1aec8f9ee931a5ae10b41acb9cf0e9090f87722a96b9ce

    SHA512

    f980d12472e06782a1e05a0c9c22e60a54841d63b611b3ecc71fb8475305fc00d01fc266ec21899d0e0dede7ed850f9930ede17d01b874385415450ca952020a

  • memory/2296-138-0x0000000000000000-mapping.dmp

  • memory/2296-140-0x00000000020E0000-0x00000000020F2000-memory.dmp

    Filesize

    72KB

  • memory/2296-144-0x0000000002100000-0x0000000002110000-memory.dmp

    Filesize

    64KB

  • memory/4644-130-0x0000000002220000-0x0000000002232000-memory.dmp

    Filesize

    72KB

  • memory/4644-134-0x0000000002240000-0x0000000002250000-memory.dmp

    Filesize

    64KB

  • memory/4644-137-0x0000000002210000-0x000000000221F000-memory.dmp

    Filesize

    60KB