Resubmissions

07-09-2024 11:17

240907-ndvx2s1gra 10

07-09-2024 10:21

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07-09-2024 10:21

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05-09-2024 22:04

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05-09-2024 21:37

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15-08-2024 01:57

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Analysis

  • max time kernel
    145s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-09-2024 11:17

General

  • Target

    New Text Document mod.exe

  • Size

    8KB

  • MD5

    69994ff2f00eeca9335ccd502198e05b

  • SHA1

    b13a15a5bea65b711b835ce8eccd2a699a99cead

  • SHA256

    2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2

  • SHA512

    ced53147894ed2dfc980bcb50767d9734ba8021f85842a53bb4bb4c502d51b4e9884f5f74c4dd2b70b53cafbe2441376675f7bd0f19bb20a3becb091a34fb9f3

  • SSDEEP

    96:y7ov9wc1dN1Unh3EHJ40CUJCrQt0LpCBIW12nEtgpH9GIkQYQoBNw9fnmK5iLjTv:yZyTFJfCB20LsBIW12n/eIkQ2BNg5S1

Malware Config

Extracted

Family

cryptbot

C2

tventyv20sb.top

analforeverlovyu.top

Attributes
  • url_path

    /v1/upload.php

Signatures

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Text Document mod.exe
    "C:\Users\Admin\AppData\Local\Temp\New Text Document mod.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Users\Admin\AppData\Local\Temp\a\Channel4.exe
      "C:\Users\Admin\AppData\Local\Temp\a\Channel4.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious use of WriteProcessMemory
      PID:4360
      • C:\Users\Admin\AppData\Local\Temp\service123.exe
        "C:\Users\Admin\AppData\Local\Temp\service123.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5044
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1620
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:4984
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\a\Channel4.exe

    Filesize

    6.4MB

    MD5

    12bba7bf40ba77b0ab322d8626dab9aa

    SHA1

    c3b6fab7181e78a09b8c348a0e27fec92764a21f

    SHA256

    da7fadc671804e093c7dcad3455a266e77d2c84b641ae037c70004daaa05b897

    SHA512

    71e164b56980206e81e49cf915d5f7a62767c04fa9dc8ffa1030e3ded81ce162f3045a9376841a70533b540e7d0391419ca72862191ed2a6fa20ac3349a54ce9

  • memory/408-53-0x00000000005F0000-0x0000000000601000-memory.dmp

    Filesize

    68KB

  • memory/4360-13-0x0000000000400000-0x0000000001070000-memory.dmp

    Filesize

    12.4MB

  • memory/4360-26-0x0000000000400000-0x0000000001070000-memory.dmp

    Filesize

    12.4MB

  • memory/4360-14-0x0000000000400000-0x0000000001070000-memory.dmp

    Filesize

    12.4MB

  • memory/4984-38-0x00000000005F0000-0x0000000000601000-memory.dmp

    Filesize

    68KB

  • memory/5044-28-0x00000000005F0000-0x0000000000601000-memory.dmp

    Filesize

    68KB

  • memory/5044-29-0x0000000074F80000-0x00000000750BC000-memory.dmp

    Filesize

    1.2MB

  • memory/5080-4-0x00007FFC51220000-0x00007FFC51CE1000-memory.dmp

    Filesize

    10.8MB

  • memory/5080-3-0x00007FFC51223000-0x00007FFC51225000-memory.dmp

    Filesize

    8KB

  • memory/5080-0-0x00007FFC51223000-0x00007FFC51225000-memory.dmp

    Filesize

    8KB

  • memory/5080-2-0x00007FFC51220000-0x00007FFC51CE1000-memory.dmp

    Filesize

    10.8MB

  • memory/5080-1-0x00000000009E0000-0x00000000009E8000-memory.dmp

    Filesize

    32KB