Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/02/2025, 07:56

General

  • Target

    04e5d1abf7793ab7b90ae7a00dd4a3689fdb22fec58e90e9dec1d3501137587dN.exe

  • Size

    1.8MB

  • MD5

    5efea73ff7dd5a809c98a8c4711be770

  • SHA1

    9abd94147598b35079a6483d35f2905fe15d7a9b

  • SHA256

    04e5d1abf7793ab7b90ae7a00dd4a3689fdb22fec58e90e9dec1d3501137587d

  • SHA512

    885766a8bfcc38327c8b0e1ae290ec166bd8279dfd86883065f0af89ed1f0f73c99a2fc1ea8b1c19a05f8a2c5fa629b98acee456fe861e951aca5e456ba3200b

  • SSDEEP

    49152:WTBibxw5Hh5VDqx7hTA/w+UnZ1/xKCUvq8cuj:WSxw15DqjA/CZyHix8

Malware Config

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

lumma

C2

https://mercharena.biz/api

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Amadey family
  • Lumma Stealer, LummaC

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

  • Lumma family
  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
  • Downloads MZ/PE file 2 IoCs
  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Identifies Wine through registry keys 2 TTPs 4 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 NtSetInformationThreadHideFromDebugger 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\04e5d1abf7793ab7b90ae7a00dd4a3689fdb22fec58e90e9dec1d3501137587dN.exe
    "C:\Users\Admin\AppData\Local\Temp\04e5d1abf7793ab7b90ae7a00dd4a3689fdb22fec58e90e9dec1d3501137587dN.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Downloads MZ/PE file
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2304
    • C:\Users\Admin\AppData\Local\Temp\XKFCFWQOJZ85LQJDJ78ZM03P.exe
      "C:\Users\Admin\AppData\Local\Temp\XKFCFWQOJZ85LQJDJ78ZM03P.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2876
    • C:\Users\Admin\AppData\Local\Temp\817BAB25XN7UP9X1NQQKVQNX3S.exe
      "C:\Users\Admin\AppData\Local\Temp\817BAB25XN7UP9X1NQQKVQNX3S.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
        "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Downloads MZ/PE file
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\817BAB25XN7UP9X1NQQKVQNX3S.exe

    Filesize

    2.1MB

    MD5

    779a2a020b6e4708d15b02c2410c481e

    SHA1

    60429ed23739d1639e69985fa102545a710c6726

    SHA256

    80e6e2fb58ada7e776b011c3e929f595e1e3580f186ff6af75aecb5addf5d3f6

    SHA512

    5b85251822ddb20e65f2b3b61d035ec1e945479a4c4d78d749cf918e0cb3f18c6f0007818f49b998aa5c922ab630c4a9d2b8048ab67890c5bcba8bba18ba34d2

  • \Users\Admin\AppData\Local\Temp\XKFCFWQOJZ85LQJDJ78ZM03P.exe

    Filesize

    1.7MB

    MD5

    aa79bfc8ccd99f96945138072f77073e

    SHA1

    91f3345ccf3c96f577edc1dacee5aae60b8a4049

    SHA256

    918a57662be1c188602506f902feb4846f5ba51642a474aa4da4b4c6670029b6

    SHA512

    d88b84106de00134c7b8618f17085ce3a876ced39f3a1ecf56bfc029bbd50621f96e09486e749af0fed526eaada6df27525ae35677e4e72ca25b5d2820040a3d

  • memory/1760-58-0x00000000012C0000-0x0000000001783000-memory.dmp

    Filesize

    4.8MB

  • memory/1760-61-0x00000000012C0000-0x0000000001783000-memory.dmp

    Filesize

    4.8MB

  • memory/1760-68-0x00000000012C0000-0x0000000001783000-memory.dmp

    Filesize

    4.8MB

  • memory/1760-67-0x00000000012C0000-0x0000000001783000-memory.dmp

    Filesize

    4.8MB

  • memory/1760-66-0x00000000012C0000-0x0000000001783000-memory.dmp

    Filesize

    4.8MB

  • memory/1760-65-0x00000000012C0000-0x0000000001783000-memory.dmp

    Filesize

    4.8MB

  • memory/1760-64-0x00000000012C0000-0x0000000001783000-memory.dmp

    Filesize

    4.8MB

  • memory/1760-63-0x00000000012C0000-0x0000000001783000-memory.dmp

    Filesize

    4.8MB

  • memory/1760-62-0x00000000012C0000-0x0000000001783000-memory.dmp

    Filesize

    4.8MB

  • memory/1760-60-0x00000000012C0000-0x0000000001783000-memory.dmp

    Filesize

    4.8MB

  • memory/2300-57-0x00000000072D0000-0x0000000007793000-memory.dmp

    Filesize

    4.8MB

  • memory/2300-56-0x00000000000E0000-0x00000000005A3000-memory.dmp

    Filesize

    4.8MB

  • memory/2300-53-0x00000000072D0000-0x0000000007793000-memory.dmp

    Filesize

    4.8MB

  • memory/2300-40-0x00000000000E0000-0x00000000005A3000-memory.dmp

    Filesize

    4.8MB

  • memory/2304-3-0x0000000000FC0000-0x0000000001452000-memory.dmp

    Filesize

    4.6MB

  • memory/2304-0-0x0000000000FC0000-0x0000000001452000-memory.dmp

    Filesize

    4.6MB

  • memory/2304-27-0x0000000000FC0000-0x0000000001452000-memory.dmp

    Filesize

    4.6MB

  • memory/2304-26-0x00000000065D0000-0x0000000006C56000-memory.dmp

    Filesize

    6.5MB

  • memory/2304-4-0x0000000000FC0000-0x0000000001452000-memory.dmp

    Filesize

    4.6MB

  • memory/2304-38-0x00000000065D0000-0x0000000006A93000-memory.dmp

    Filesize

    4.8MB

  • memory/2304-37-0x0000000000FC0000-0x0000000001452000-memory.dmp

    Filesize

    4.6MB

  • memory/2304-36-0x00000000065D0000-0x0000000006A93000-memory.dmp

    Filesize

    4.8MB

  • memory/2304-5-0x0000000000FC0000-0x0000000001452000-memory.dmp

    Filesize

    4.6MB

  • memory/2304-6-0x0000000000FC0000-0x0000000001452000-memory.dmp

    Filesize

    4.6MB

  • memory/2304-7-0x0000000000FC0000-0x0000000001452000-memory.dmp

    Filesize

    4.6MB

  • memory/2304-25-0x00000000065D0000-0x0000000006C56000-memory.dmp

    Filesize

    6.5MB

  • memory/2304-19-0x00000000065D0000-0x0000000006C56000-memory.dmp

    Filesize

    6.5MB

  • memory/2304-12-0x0000000000FC0000-0x0000000001452000-memory.dmp

    Filesize

    4.6MB

  • memory/2304-1-0x00000000773C0000-0x00000000773C2000-memory.dmp

    Filesize

    8KB

  • memory/2304-17-0x00000000065D0000-0x0000000006C56000-memory.dmp

    Filesize

    6.5MB

  • memory/2304-2-0x0000000000FC1000-0x0000000000FEB000-memory.dmp

    Filesize

    168KB

  • memory/2304-8-0x0000000000FC0000-0x0000000001452000-memory.dmp

    Filesize

    4.6MB

  • memory/2876-20-0x00000000003B0000-0x0000000000A36000-memory.dmp

    Filesize

    6.5MB

  • memory/2876-21-0x00000000003B1000-0x00000000003C8000-memory.dmp

    Filesize

    92KB

  • memory/2876-22-0x00000000003B0000-0x0000000000A36000-memory.dmp

    Filesize

    6.5MB

  • memory/2876-24-0x00000000003B0000-0x0000000000A36000-memory.dmp

    Filesize

    6.5MB