Analysis

  • max time kernel
    138s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    26-03-2023 01:46

General

  • Target

    ccd380ea868ffad4f960d7455fecf88c2ac3550001bbb6c21c31ae70b3bbf4f6.exe

  • Size

    848KB

  • MD5

    a4513379dad5233afa402cc56a8b9222

  • SHA1

    805727279208de9cf49e6374b1f3a6dc0052620e

  • SHA256

    ccd380ea868ffad4f960d7455fecf88c2ac3550001bbb6c21c31ae70b3bbf4f6

  • SHA512

    10b23a9721bc9692f225a864f541d722761e622ff94e92f08c367a14fb7398199d4f4d3895ca456064889871246c6cbfc15fb2e593be21f384fb49e084cf3f9f

  • SSDEEP

    6144:/TaQZdJnaB1kNOlFSm9tc6c6c6c6c6c6c6c6c6csImOksMWNIDK:/GQfJyFrz7

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

67.68.210.95:80

162.241.242.173:8080

45.55.36.51:443

45.55.219.163:443

68.188.112.97:80

46.105.131.79:8080

78.24.219.147:8080

37.70.8.161:80

153.232.188.106:80

209.141.54.221:8080

203.117.253.142:80

152.168.248.128:443

93.147.212.206:80

24.137.76.62:80

189.212.199.126:443

204.197.146.48:80

137.119.36.33:80

185.94.252.104:443

139.130.242.43:80

203.153.216.189:7080

rsa_pubkey.plain

Signatures

  • Emotet

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

  • 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.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ccd380ea868ffad4f960d7455fecf88c2ac3550001bbb6c21c31ae70b3bbf4f6.exe
    "C:\Users\Admin\AppData\Local\Temp\ccd380ea868ffad4f960d7455fecf88c2ac3550001bbb6c21c31ae70b3bbf4f6.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Windows\SysWOW64\WlS0WndH\wshext.exe
      "C:\Windows\SysWOW64\WlS0WndH\wshext.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1728

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    342B

    MD5

    b31e2f6c05f55e8d959d73c3df5a949b

    SHA1

    6e5c10b8a562963bfdf952a766b2fa4d10eca0ca

    SHA256

    7c7d719d70c92c35fcd51061641da495c8e0601c969e67eb7763d01a0a597d07

    SHA512

    1bd1bcfea5326d8bb20327df153ac2d8ee003999e6b9ea608518e622cfd6837fcbd0ad769a0770c86c6eba548489aa33c8903d486504c190254af58a2e53fe31

  • C:\Users\Admin\AppData\Local\Temp\Cab401F.tmp
    Filesize

    61KB

    MD5

    fc4666cbca561e864e7fdf883a9e6661

    SHA1

    2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

    SHA256

    10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

    SHA512

    c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

  • C:\Users\Admin\AppData\Local\Temp\Tar419C.tmp
    Filesize

    161KB

    MD5

    be2bec6e8c5653136d3e72fe53c98aa3

    SHA1

    a8182d6db17c14671c3d5766c72e58d87c0810de

    SHA256

    1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

    SHA512

    0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

  • C:\Windows\SysWOW64\WlS0WndH\wshext.exe
    Filesize

    848KB

    MD5

    a4513379dad5233afa402cc56a8b9222

    SHA1

    805727279208de9cf49e6374b1f3a6dc0052620e

    SHA256

    ccd380ea868ffad4f960d7455fecf88c2ac3550001bbb6c21c31ae70b3bbf4f6

    SHA512

    10b23a9721bc9692f225a864f541d722761e622ff94e92f08c367a14fb7398199d4f4d3895ca456064889871246c6cbfc15fb2e593be21f384fb49e084cf3f9f

  • memory/1236-54-0x0000000000250000-0x000000000025C000-memory.dmp
    Filesize

    48KB

  • memory/1236-58-0x0000000000240000-0x0000000000249000-memory.dmp
    Filesize

    36KB

  • memory/1728-60-0x0000000000360000-0x000000000036C000-memory.dmp
    Filesize

    48KB

  • memory/1728-64-0x0000000000360000-0x000000000036C000-memory.dmp
    Filesize

    48KB

  • memory/1728-65-0x00000000002A0000-0x00000000002A1000-memory.dmp
    Filesize

    4KB