Analysis

  • max time kernel
    141s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-10-2024 06:41

General

  • Target

    70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe

  • Size

    7.5MB

  • MD5

    e071b6dd90f4c7a9d23632bfb9517925

  • SHA1

    9ef06985e2f58c3cd0a64780819e7812d6ae849e

  • SHA256

    70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be

  • SHA512

    bd8b2c084b36f0b37f223aff83d0599affc0450ede1299efc37e5a9519cc9b26ecb209292865c06c7de29c4f3ffda070c56f956a7db7817427f2d2053b225baf

  • SSDEEP

    49152:MidZxaEXACSbv61erWUn19OFne30Tt2SUprQRd8/NPpuevH3nUk0gdtCneP/4scQ:Mivx4i1ul1WUp8O

Malware Config

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.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe
    "C:\Users\Admin\AppData\Local\Temp\70f887fea5277999b9f7c5b725a2601ea42f53c3de6f218867509057021d58be.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2376
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2880
    • 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
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2720
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {FD4EB76C-D6F3-4E43-9AEC-98A88612AA3B} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1236
    • C:\Users\Admin\AppData\Local\Temp\service123.exe
      C:\Users\Admin\AppData\Local\Temp\/service123.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1236-34-0x00000000012E0000-0x00000000012F2000-memory.dmp

    Filesize

    72KB

  • memory/1436-49-0x00000000012E0000-0x00000000012F2000-memory.dmp

    Filesize

    72KB

  • memory/2376-0-0x0000000069CC0000-0x000000006A377000-memory.dmp

    Filesize

    6.7MB

  • memory/2376-9-0x0000000000B00000-0x0000000001285000-memory.dmp

    Filesize

    7.5MB

  • memory/2376-23-0x0000000000B00000-0x0000000001285000-memory.dmp

    Filesize

    7.5MB

  • memory/2880-25-0x00000000012E0000-0x00000000012F2000-memory.dmp

    Filesize

    72KB

  • memory/2880-26-0x0000000074CC0000-0x0000000074DF4000-memory.dmp

    Filesize

    1.2MB