Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2024 14:12

General

  • Target

    f147eab77e47eaf9918459999736497adfb050debc66f6aad6df371418acb27a.exe

  • Size

    9.7MB

  • MD5

    716ffa7e2ab8e4bfe383c80904f76d91

  • SHA1

    5bf25f73bd33d43555da18f200f0ef338b72170a

  • SHA256

    f147eab77e47eaf9918459999736497adfb050debc66f6aad6df371418acb27a

  • SHA512

    c1c557fae4c49c12af1298644a5fc4e9db2f4bbe05080c26f67adfe8a88d54373c56d2b79ba9a2de31108f314833d3001458446e7ef5f1915780b1390631a7f9

  • SSDEEP

    196608:plV3EW4TmMdfGxSd8LZ94pgV12JiPgFE96gGzJPihnWW:R3ELTmuaSd8LZ94ZJioFE9bGBiRb

Malware Config

Extracted

Family

lumma

C2

https://wickedneatr.sbs

https://invinjurhey.sbs

https://laddyirekyi.sbs

https://exilepolsiy.sbs

https://bemuzzeki.sbs

https://exemplarou.sbs

https://isoplethui.sbs

https://frizzettei.sbs

https://endureferrar.buzz

Signatures

  • CryptBot

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

  • Detects CryptBot payload 1 IoCs

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

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 3 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.

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f147eab77e47eaf9918459999736497adfb050debc66f6aad6df371418acb27a.exe
    "C:\Users\Admin\AppData\Local\Temp\f147eab77e47eaf9918459999736497adfb050debc66f6aad6df371418acb27a.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3932
    • 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
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:388
      • C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
        "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2004
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.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:796
      • 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:4632
      • 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:4716
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:5020
  • C:\Users\Admin\AppData\Local\Temp\service123.exe
    C:\Users\Admin\AppData\Local\Temp\/service123.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:4608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    25.8MB

    MD5

    1f65158f40309a29deb2ce69ee7721c9

    SHA1

    02eea9bf4b759c394562b0489bd3690931be7f39

    SHA256

    5e8b81dbcbb004a2d5de8adb3d781fde6d90b488a8fb4854f5131cde89e949dc

    SHA512

    8f4ee5b643e0d751e4aca3511d4c080941fe0a2c0cad6da91c41ecb5231cce69e796c172080bdc4c30220681510fcceab048662a995d1a37fdd087090e403fd2

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

    Filesize

    7.3MB

    MD5

    1db6fa87cecb24c09d0e62f6d3e408ce

    SHA1

    7b4e6b91f381150e284f1651067e8cf4744d3ef1

    SHA256

    00591b3b479fcccfb2796ae513e98a7c0bcbaef9842e40342b163cc2118a17d3

    SHA512

    95fb95d641e8c22f91882f940fcbbca69e77dd8217f5cb06d7d757766a6308d9d76cd851052a67b2323d1bd0cc094be61aec76308be735ac89b7dc7c477e9dfc

  • memory/796-54-0x0000000000500000-0x0000000000C5B000-memory.dmp

    Filesize

    7.4MB

  • memory/796-31-0x0000000069CC0000-0x000000006A377000-memory.dmp

    Filesize

    6.7MB

  • memory/796-41-0x0000000000500000-0x0000000000C5B000-memory.dmp

    Filesize

    7.4MB

  • memory/2004-22-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2004-25-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2004-21-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2004-40-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2004-20-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/4608-81-0x0000000000A90000-0x0000000000AA2000-memory.dmp

    Filesize

    72KB

  • memory/4632-56-0x0000000000A90000-0x0000000000AA2000-memory.dmp

    Filesize

    72KB

  • memory/4632-57-0x0000000072F60000-0x0000000073094000-memory.dmp

    Filesize

    1.2MB

  • memory/5020-66-0x0000000000A90000-0x0000000000AA2000-memory.dmp

    Filesize

    72KB