Analysis

  • max time kernel
    135s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 00:03

General

  • Target

    E2-20200827_145402.exe

  • Size

    656KB

  • MD5

    bed7b299b813c252952b4186ee18e7ab

  • SHA1

    80334aa4ee7326535e6faa79111a6f12abbff6d9

  • SHA256

    e883042560db658b77dde018047e8932cb72e9dffd73318b30ffbc2f71389f0a

  • SHA512

    5d99c388a9427153a1f070f7c850619719fce2d666604f76899d0c6cb69f1765f540a2c1b2c3dcdfacc0cb7f8912b852e3a4e34a8e5b9125d32275b3dd9ebe64

  • SSDEEP

    6144:6Zd3Z+AlMjixnmMsQSyzKdYkTGdvWh39IiZpQrgiPPGEGsG:6ZBZZKimMsQSGH/dv0TpQrsdV

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

172.91.208.86:80

45.55.36.51:443

91.83.93.99:7080

45.55.219.163:443

107.5.122.110:80

103.86.49.11:8080

85.105.205.77:8080

120.150.60.189:80

137.59.187.107:8080

139.59.60.244:8080

203.117.253.142:80

1.221.254.82:80

97.82.79.83:80

37.187.72.193:8080

139.99.158.11:443

152.168.248.128:443

74.208.45.104:8080

83.169.36.251:8080

169.239.182.217:8080

216.208.76.186:80

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Emotet family
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\E2-20200827_145402.exe
    "C:\Users\Admin\AppData\Local\Temp\E2-20200827_145402.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Windows\SysWOW64\icmui\NcaApi.exe
      "C:\Windows\SysWOW64\icmui\NcaApi.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\icmui\NcaApi.exe

    Filesize

    656KB

    MD5

    bed7b299b813c252952b4186ee18e7ab

    SHA1

    80334aa4ee7326535e6faa79111a6f12abbff6d9

    SHA256

    e883042560db658b77dde018047e8932cb72e9dffd73318b30ffbc2f71389f0a

    SHA512

    5d99c388a9427153a1f070f7c850619719fce2d666604f76899d0c6cb69f1765f540a2c1b2c3dcdfacc0cb7f8912b852e3a4e34a8e5b9125d32275b3dd9ebe64

  • memory/2364-7-0x0000000002070000-0x000000000207C000-memory.dmp

    Filesize

    48KB

  • memory/2364-11-0x0000000002070000-0x000000000207C000-memory.dmp

    Filesize

    48KB

  • memory/3348-4-0x0000000002330000-0x0000000002339000-memory.dmp

    Filesize

    36KB

  • memory/3348-0-0x0000000002340000-0x000000000234C000-memory.dmp

    Filesize

    48KB

  • memory/3348-6-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB