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
    15-10-2024 01:56

General

  • Target

    a2c0dfce1d7228643a821557955f5df0d80e439fc0901ab22717c1d024bf60a3.exe

  • Size

    2.8MB

  • MD5

    db946a3c61dee1ba87bea608911c3ba5

  • SHA1

    ca5f81b3b1de9fe27dff5ec33578cb9e91e3bc45

  • SHA256

    a2c0dfce1d7228643a821557955f5df0d80e439fc0901ab22717c1d024bf60a3

  • SHA512

    1d22d1d08d722696d34a430055afa7e246b582b592873ef0dcf753242c8f733860b46a549faafa025a389b2ba638b1adc4a72603ec64fd6811e1530dcc406fb9

  • SSDEEP

    49152:KFifYHuH0llGpyZArT90OkDbtxuq1joC2j4:8ifmuH0OpyZArT90HbukoCU4

Malware Config

Extracted

Family

lumma

C2

https://clearancek.site

https://licendfilteo.site

https://spirittunek.store

https://bathdoomgaz.store

https://studennotediw.store

https://dissapoiznw.store

https://eaglepawnoy.store

https://mobbipenju.store

Signatures

  • Lumma Stealer, LummaC

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2c0dfce1d7228643a821557955f5df0d80e439fc0901ab22717c1d024bf60a3.exe
    "C:\Users\Admin\AppData\Local\Temp\a2c0dfce1d7228643a821557955f5df0d80e439fc0901ab22717c1d024bf60a3.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:2384
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 1284
      2⤵
      • Program crash
      PID:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabC7B4.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarC7D6.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2384-0-0x00000000011C0000-0x00000000014C4000-memory.dmp

    Filesize

    3.0MB

  • memory/2384-1-0x0000000077CA0000-0x0000000077CA2000-memory.dmp

    Filesize

    8KB

  • memory/2384-2-0x00000000011C1000-0x00000000011E7000-memory.dmp

    Filesize

    152KB

  • memory/2384-3-0x00000000011C0000-0x00000000014C4000-memory.dmp

    Filesize

    3.0MB

  • memory/2384-4-0x00000000011C0000-0x00000000014C4000-memory.dmp

    Filesize

    3.0MB

  • memory/2384-12-0x00000000011C0000-0x00000000014C4000-memory.dmp

    Filesize

    3.0MB

  • memory/2384-40-0x00000000011C0000-0x00000000014C4000-memory.dmp

    Filesize

    3.0MB