Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-06-2024 11:25

General

  • Target

    8a53ca14784db0d61dee57dbd1c38e54_JaffaCakes118.exe

  • Size

    178KB

  • MD5

    8a53ca14784db0d61dee57dbd1c38e54

  • SHA1

    a60f41f04529432ae8e4577ba9f13bca904ab4e9

  • SHA256

    d7588ed746eb3b1ef4b5ac9507d8e432174eba3b4638df6e1497ed45caecd045

  • SHA512

    3947f8df002b02e7d5ee9df07d1fd93e7f8bf322d91f99a4069480498d61b3f42718790d7ec93100a29257339d1f9e2d61e0a98740b5a05fa5e994c280b868d8

  • SSDEEP

    3072:M9GNDgwzRzLPTc6RyNRXBNssCCRc4fkxVsPHNw:ow1zLPY6RhCR/kQfq

Score
10/10

Malware Config

Extracted

Family

systembc

C2

sdadvert197.com:4044

mexstat128.com:4044

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a53ca14784db0d61dee57dbd1c38e54_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8a53ca14784db0d61dee57dbd1c38e54_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:1636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 948
      2⤵
      • Program crash
      PID:4580
  • C:\ProgramData\ijjkk\shdqa.exe
    C:\ProgramData\ijjkk\shdqa.exe start
    1⤵
    • Executes dropped EXE
    PID:2360
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1636 -ip 1636
    1⤵
      PID:4320

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\ijjkk\shdqa.exe

      Filesize

      178KB

      MD5

      8a53ca14784db0d61dee57dbd1c38e54

      SHA1

      a60f41f04529432ae8e4577ba9f13bca904ab4e9

      SHA256

      d7588ed746eb3b1ef4b5ac9507d8e432174eba3b4638df6e1497ed45caecd045

      SHA512

      3947f8df002b02e7d5ee9df07d1fd93e7f8bf322d91f99a4069480498d61b3f42718790d7ec93100a29257339d1f9e2d61e0a98740b5a05fa5e994c280b868d8

    • memory/1636-2-0x00000000069B0000-0x00000000069B9000-memory.dmp

      Filesize

      36KB

    • memory/1636-1-0x0000000004E30000-0x0000000004F30000-memory.dmp

      Filesize

      1024KB

    • memory/1636-3-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

    • memory/1636-4-0x0000000000400000-0x0000000004DA8000-memory.dmp

      Filesize

      73.7MB

    • memory/1636-14-0x00000000069B0000-0x00000000069B9000-memory.dmp

      Filesize

      36KB

    • memory/1636-13-0x0000000004E30000-0x0000000004F30000-memory.dmp

      Filesize

      1024KB

    • memory/1636-15-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

    • memory/2360-12-0x0000000000400000-0x0000000004DA8000-memory.dmp

      Filesize

      73.7MB