Analysis

  • max time kernel
    44s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    14-07-2022 06:26

General

  • Target

    _2866571907494.vbs

  • Size

    579KB

  • MD5

    d4bfbd62db6574ae4a90a0c2a9fd8427

  • SHA1

    cc7c9ca8679b2efe00d18048b8a0beadc2d53cc9

  • SHA256

    13aa175c12cd675b2a32d5bd252d35352811a036046e042ac5d1454957972bee

  • SHA512

    f8cfc582aad8e09685538e1059d1e4ce154043e12ae477b809391ebaac777bc38eda82b6e4e1c282808702ef80f128d17714d4c43510653fd0929529ed1ce009

Malware Config

Extracted

Family

hancitor

Botnet

1212_78342432

C2

http://vistiver.com/4/forum.php

http://thimemple.ru/4/forum.php

http://capandotd.ru/4/forum.php

Signatures

  • Hancitor

    Hancitor is downloader used to deliver other malware families.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Loads dropped DLL 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_2866571907494.vbs"
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1808
  • C:\Windows\system32\regsvr32.exe
    regsvr32.exe -s C:\Users\Admin\AppData\Local\Temp\htHvf.txt
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Windows\SysWOW64\regsvr32.exe
      -s C:\Users\Admin\AppData\Local\Temp\htHvf.txt
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1680
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\System32\svchost.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1144

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\htHvf.txt

    Filesize

    136KB

    MD5

    dda7f3bb9dee24e6e2564ed656f1bf64

    SHA1

    e1ff05e4be55cae9a5d2035f40e923bbdda4b90c

    SHA256

    42cb082a5dcb4ef8a553d38b15f87aa0f5f408a8b78adf3320288320fac5c24d

    SHA512

    b832c2967366b62ccdb6d14f9ab22ce9b42862a2261aefd21bdc43bb1c8d2938ba91e85cd9f94a48a721a220df202866635f7c2dd20a9faa528eb1484fa77753

  • \Users\Admin\AppData\Local\Temp\htHvf.txt

    Filesize

    136KB

    MD5

    dda7f3bb9dee24e6e2564ed656f1bf64

    SHA1

    e1ff05e4be55cae9a5d2035f40e923bbdda4b90c

    SHA256

    42cb082a5dcb4ef8a553d38b15f87aa0f5f408a8b78adf3320288320fac5c24d

    SHA512

    b832c2967366b62ccdb6d14f9ab22ce9b42862a2261aefd21bdc43bb1c8d2938ba91e85cd9f94a48a721a220df202866635f7c2dd20a9faa528eb1484fa77753

  • memory/1144-62-0x0000000000402960-mapping.dmp

  • memory/1144-59-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1144-61-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1144-66-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1144-68-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1144-69-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1212-54-0x000007FEFBE11000-0x000007FEFBE13000-memory.dmp

    Filesize

    8KB

  • memory/1680-57-0x0000000075451000-0x0000000075453000-memory.dmp

    Filesize

    8KB

  • memory/1680-56-0x0000000000000000-mapping.dmp

  • memory/1680-64-0x0000000000130000-0x0000000000139000-memory.dmp

    Filesize

    36KB

  • memory/1680-65-0x0000000000170000-0x000000000017C000-memory.dmp

    Filesize

    48KB