Analysis

  • max time kernel
    148s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 20:26

General

  • Target

    9f373cdee6065d01164210c338948684703fcf966adab402175117dba115b85f.exe

  • Size

    4.7MB

  • MD5

    47eaa7981dc34b70273b00f181749654

  • SHA1

    2ff2d6202298d9cb0f06c4f00a966647923b34e7

  • SHA256

    9f373cdee6065d01164210c338948684703fcf966adab402175117dba115b85f

  • SHA512

    9e6fa7b5c0552164d5ee98ce08eb7b2d514700eefb11667892d611e85d621a8de8edea9b9e52540ca12b70fd882d2700ea545f0e9ac24417c222d730d13cbfea

  • SSDEEP

    98304:QsuzYSa+/ydDuZ731vVJ0kPwc31MJjh63rgIBr37/XfBGdRZ+Js:lpdDQB1MJQ3rl/3BGdRl

Malware Config

Extracted

Family

cryptbot

C2

analforeverlovyu.top

eihtv18sb.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.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 12 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 WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f373cdee6065d01164210c338948684703fcf966adab402175117dba115b85f.exe
    "C:\Users\Admin\AppData\Local\Temp\9f373cdee6065d01164210c338948684703fcf966adab402175117dba115b85f.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe"
      2⤵
      • Executes dropped EXE
      PID:1716
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Users\Admin\AppData\Local\Temp\service123.exe
        "C:\Users\Admin\AppData\Local\Temp\service123.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1864
      • 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:1724
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {0A35FC49-CF70-4C16-8980-4FB6795641BD} S-1-5-21-1846800975-3917212583-2893086201-1000:ZQABOPWE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2128

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe

    Filesize

    14.1MB

    MD5

    5776392593245c0f7ffa5d05e0538b4d

    SHA1

    e03291fc3ec8c72dd2f75d016b9829a33f2bfcc0

    SHA256

    f4b64977aa021edf0d72c5f93f927115f6370876b21219ad303179230db6b1c2

    SHA512

    f933ce9ffacfa0826eed707c1c96c54343d87c123b4a5fe6dd910cdb69c8f4e5e8ee6e373af4d6622c4b05b7abeeca822a15e97cf74c083dbbaf194a976d059c

  • \Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe

    Filesize

    6.3MB

    MD5

    cb2bd11ed77164148a475693db0b02f2

    SHA1

    884a752c92c0f93c7aa2c00aa8c19684ee7b4c50

    SHA256

    192378774c53b5285cffe591b070bfd303fabf2d6acdc96792b10d1233142494

    SHA512

    18fd7141e7c44d0e8111dc12a6764a926db4fd7a701c13bbf3d9c76b063478274dfab87951966a585a050a96e33c20858f59d629ce27374a9c0e450aacfef1c5

  • memory/1864-52-0x0000000001160000-0x0000000001171000-memory.dmp

    Filesize

    68KB

  • memory/1864-53-0x0000000074100000-0x000000007423C000-memory.dmp

    Filesize

    1.2MB

  • memory/2128-61-0x0000000001160000-0x0000000001171000-memory.dmp

    Filesize

    68KB

  • memory/2896-31-0x0000000000400000-0x000000000106B000-memory.dmp

    Filesize

    12.4MB

  • memory/2896-33-0x0000000000400000-0x000000000106B000-memory.dmp

    Filesize

    12.4MB

  • memory/2896-37-0x0000000000400000-0x000000000106B000-memory.dmp

    Filesize

    12.4MB

  • memory/2896-50-0x0000000000400000-0x000000000106B000-memory.dmp

    Filesize

    12.4MB