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Resubmissions

15/04/2024, 11:19

240415-nfa1nada96 10

10/04/2024, 03:13

240410-dqqhzsfh2w 10

10/04/2024, 03:12

240410-dqp78ace62 10

10/04/2024, 03:12

240410-dqplpafh2v 10

10/04/2024, 03:12

240410-dqpaxsce59 10

22/12/2023, 00:59

231222-bb35escaf6 10

Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    15/04/2024, 11:19

General

  • Target

    3e58382005322606bd6ae12da2f209b1.exe

  • Size

    209KB

  • MD5

    3e58382005322606bd6ae12da2f209b1

  • SHA1

    0afab0c2514061f3d341f720705e54aad4a4f36e

  • SHA256

    9ab42dd0edbb92405904350c550525878312858405e737c7414025dab5981c80

  • SHA512

    13c8df1f07d1584cc827fcc78b691cac78e7cd95ad0e2578974acb9bd8b0c2770d410d743fdc84ffa4c1a431ebe05772715d6bd57489abb7dc249b43b241c1ee

  • SSDEEP

    6144:YDnLgI91y1UkT57iJz/DpURWPSvHuUiYphu1UR:cnLh9yn52rpUR5vHuRYpM+R

Score
10/10

Malware Config

Extracted

Family

systembc

C2

yan0212.com:4039

yan0212.net:4039

Signatures

  • SystemBC

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e58382005322606bd6ae12da2f209b1.exe
    "C:\Users\Admin\AppData\Local\Temp\3e58382005322606bd6ae12da2f209b1.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:3368
  • C:\ProgramData\vokh\sswdlh.exe
    C:\ProgramData\vokh\sswdlh.exe start
    1⤵
    • Executes dropped EXE
    PID:1852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\vokh\sswdlh.exe

    Filesize

    209KB

    MD5

    3e58382005322606bd6ae12da2f209b1

    SHA1

    0afab0c2514061f3d341f720705e54aad4a4f36e

    SHA256

    9ab42dd0edbb92405904350c550525878312858405e737c7414025dab5981c80

    SHA512

    13c8df1f07d1584cc827fcc78b691cac78e7cd95ad0e2578974acb9bd8b0c2770d410d743fdc84ffa4c1a431ebe05772715d6bd57489abb7dc249b43b241c1ee

  • memory/1852-10-0x00000000048E0000-0x00000000049E0000-memory.dmp

    Filesize

    1024KB

  • memory/1852-11-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

  • memory/1852-13-0x0000000000400000-0x00000000045F0000-memory.dmp

    Filesize

    65.9MB

  • memory/1852-17-0x00000000048E0000-0x00000000049E0000-memory.dmp

    Filesize

    1024KB

  • memory/3368-1-0x00000000048B0000-0x00000000049B0000-memory.dmp

    Filesize

    1024KB

  • memory/3368-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

  • memory/3368-9-0x0000000000400000-0x00000000045F0000-memory.dmp

    Filesize

    65.9MB

  • memory/3368-14-0x00000000048B0000-0x00000000049B0000-memory.dmp

    Filesize

    1024KB