Analysis

  • max time kernel
    41s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 09:16

General

  • Target

    7f8833e01027753003c2540ec9e723e3feb93e83.exe

  • Size

    492KB

  • MD5

    4a0e07690ba066341d7cd8df29daf966

  • SHA1

    7f8833e01027753003c2540ec9e723e3feb93e83

  • SHA256

    0a91ca038be80280f9e9e300dafd4490be9269d1ad7649f102aa5c58b7d7a9db

  • SHA512

    b14d00b021393fee638a8ade28155bd0738844cacb8ca55fe5df77a891da43fb57fd31d2f7f0e0164356e7206a47a64b06ff42d012772ab0ed65970aaa007a6a

  • SSDEEP

    12288:f1n6BAlECcMIR4WlptZ2uOIR4bi6/Myw52BLhzqzE:f16SbcMMlpLLO6E

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

C2

110.36.234.146:80

191.82.16.60:80

91.83.93.105:8080

216.98.148.181:8080

68.183.190.199:8080

190.230.60.129:80

183.82.97.25:80

114.79.134.129:443

89.188.124.145:443

178.79.163.131:8080

76.69.29.42:80

87.106.77.40:7080

178.249.187.151:8080

62.75.143.100:7080

201.163.74.202:443

62.75.160.178:8080

181.188.149.134:80

186.0.95.172:80

217.199.160.224:8080

203.25.159.3:8080

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f8833e01027753003c2540ec9e723e3feb93e83.exe
    "C:\Users\Admin\AppData\Local\Temp\7f8833e01027753003c2540ec9e723e3feb93e83.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Users\Admin\AppData\Local\Temp\7f8833e01027753003c2540ec9e723e3feb93e83.exe
      --18f5e13d
      2⤵
      • Modifies registry class
      • Suspicious behavior: RenamesItself
      • Suspicious use of SetWindowsHookEx
      PID:592
  • C:\Windows\SysWOW64\kdsresapi.exe
    "C:\Windows\SysWOW64\kdsresapi.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:680
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 240
      2⤵
      • Program crash
      PID:1100

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/592-60-0x0000000000000000-mapping.dmp
  • memory/592-63-0x0000000000290000-0x00000000002A7000-memory.dmp
    Filesize

    92KB

  • memory/1100-69-0x0000000000000000-mapping.dmp
  • memory/1812-54-0x0000000076461000-0x0000000076463000-memory.dmp
    Filesize

    8KB

  • memory/1812-55-0x00000000003A0000-0x00000000003B7000-memory.dmp
    Filesize

    92KB

  • memory/1812-61-0x0000000000270000-0x0000000000280000-memory.dmp
    Filesize

    64KB