Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 14:05

General

  • Target

    a080be49256e721ae4232dbf7f62b376e3057d4e3807cde205a5d715d0cb03e2.exe

  • Size

    2.9MB

  • MD5

    34ad56a02ba60cca8fec73d153b578d0

  • SHA1

    409465ca80c9abd1bbdfeb03d307280388ee3be5

  • SHA256

    a080be49256e721ae4232dbf7f62b376e3057d4e3807cde205a5d715d0cb03e2

  • SHA512

    102e39dde4db03ca94ce68f1f022172b5f34c85ebeb13e06c4b5f11384ab535a39802a9f26441b08121e07e98864dd4be9a51ab2859c4bb695bc8a453f7a9364

  • SSDEEP

    49152:IJ01Z+B4sOfKbmJfnwNxjbZugO+Vyk7b2eRMHhg3ps:IJ0zQ4sKKbinwNLugO+VyouSZs

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

https://shineugler.biz/api

Extracted

Family

lumma

C2

https://shineugler.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
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 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 2 IoCs
  • Drops file in Program Files directory 2 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.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a080be49256e721ae4232dbf7f62b376e3057d4e3807cde205a5d715d0cb03e2.exe
    "C:\Users\Admin\AppData\Local\Temp\a080be49256e721ae4232dbf7f62b376e3057d4e3807cde205a5d715d0cb03e2.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • 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:3012
    • C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
      "C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2660
      • C:\Users\Admin\AppData\Local\Temp\1006591001\sintv.exe
        "C:\Users\Admin\AppData\Local\Temp\1006591001\sintv.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2740
        • C:\Windows\System32\certutil.exe
          "C:\Windows\System32\certutil.exe" -silent -importPFX -p "" -f "C:\Users\Admin\AppData\Local\Temp\tmp1373.tmp"
          4⤵
            PID:2152
        • C:\Users\Admin\AppData\Local\Temp\1006664001\Out.exe
          "C:\Users\Admin\AppData\Local\Temp\1006664001\Out.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:748
          • C:\Users\Admin\AppData\Local\Temp\1006664001\Out.exe
            "C:\Users\Admin\AppData\Local\Temp\1006664001\Out.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Modifies system certificate store
            • Suspicious behavior: EnumeratesProcesses
            PID:960

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1006591001\sintv.exe

      Filesize

      4.5MB

      MD5

      38fcaa23700e62fb0b3fc2591f82cc80

      SHA1

      abedd6ec573a6fede05d15920f3ac3763062c75c

      SHA256

      fb829a6a8535a443932cd167e8301b5e74c60702b5f7fade7e9f13a736ce72b0

      SHA512

      5da88a61c716a9891cb225f36f275040d69915c4c731c2a5c042d5c997ca39241a3e9d6646569468d477f47db42462c21b58f2de7f56a84cb145e6cee478eeef

    • C:\Users\Admin\AppData\Local\Temp\1006664001\Out.exe

      Filesize

      2.5MB

      MD5

      7ff947867bc70055adffa2164a741b01

      SHA1

      cff424168c2f6bcef107ebc9bd65590f3ead76ae

      SHA256

      b6d6628d2dc7dea808eef05180c27abe10a1af245d624aacdacccc52a1eb7b40

      SHA512

      da507d1847056d0dc2c122c45ecbea4901a81c06890bcdbffc2f18ad4b96f0ac2c2fa9ebde1a315828c74a97af653062a8c50ce70c9b6d6966c48871150747ee

    • C:\Users\Admin\AppData\Local\Temp\Tmp1305.tmp

      Filesize

      2KB

      MD5

      16ec213ba439f96abc11ac620e81a1b0

      SHA1

      6bf5ccd58fbd6a080e36a79e6725d6ecf0cf8cf2

      SHA256

      287ffb699da84650b9ea9cf4509e5ced15ca40e6dc7efe0f48b36126ba4ee7b6

      SHA512

      fcf2d7483d4685c783849039522e6607f86feca84943e85dc956e874908e5e54a81ba88fe6f3b06fa8249d69eff9010f368fdffbef10a1b28f147be88e4e3d8c

    • C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\Certificates\C0521A7818941437BF6EF686AE5D39332672FAEB

      Filesize

      1KB

      MD5

      609aeb100b6e3f6b1c5708aed05b8dae

      SHA1

      c9a68c801f3f7d5ed5b2d15685efdd0b8d162e1c

      SHA256

      870bf682fb6f0a8c417d4e984b0805e27e0e72ea243bf2bef7d869aaa6230cec

      SHA512

      d009c07ab530b118726f34b3a438d8d3e7235f8410bd25535c181b8e069444f66402149ff57ab167e6469897e81b624654a04c6aa6b7c436e4dd90a462ffb0f3

    • \Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe

      Filesize

      2.9MB

      MD5

      34ad56a02ba60cca8fec73d153b578d0

      SHA1

      409465ca80c9abd1bbdfeb03d307280388ee3be5

      SHA256

      a080be49256e721ae4232dbf7f62b376e3057d4e3807cde205a5d715d0cb03e2

      SHA512

      102e39dde4db03ca94ce68f1f022172b5f34c85ebeb13e06c4b5f11384ab535a39802a9f26441b08121e07e98864dd4be9a51ab2859c4bb695bc8a453f7a9364

    • memory/960-106-0x00000000000B0000-0x0000000000106000-memory.dmp

      Filesize

      344KB

    • memory/960-101-0x00000000000B0000-0x0000000000106000-memory.dmp

      Filesize

      344KB

    • memory/960-99-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/960-97-0x00000000000B0000-0x0000000000106000-memory.dmp

      Filesize

      344KB

    • memory/960-100-0x00000000000B0000-0x0000000000106000-memory.dmp

      Filesize

      344KB

    • memory/2660-22-0x0000000001121000-0x000000000114F000-memory.dmp

      Filesize

      184KB

    • memory/2660-21-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-24-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-26-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-27-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-28-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-30-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-117-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-23-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-116-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-115-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-109-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-93-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-114-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-113-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-112-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-111-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-105-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-110-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-107-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2660-108-0x0000000001120000-0x0000000001439000-memory.dmp

      Filesize

      3.1MB

    • memory/2740-44-0x0000000000870000-0x0000000000D00000-memory.dmp

      Filesize

      4.6MB

    • memory/3012-1-0x0000000077320000-0x0000000077322000-memory.dmp

      Filesize

      8KB

    • memory/3012-2-0x0000000000121000-0x000000000014F000-memory.dmp

      Filesize

      184KB

    • memory/3012-3-0x0000000000120000-0x0000000000439000-memory.dmp

      Filesize

      3.1MB

    • memory/3012-4-0x0000000000120000-0x0000000000439000-memory.dmp

      Filesize

      3.1MB

    • memory/3012-19-0x0000000006710000-0x0000000006A29000-memory.dmp

      Filesize

      3.1MB

    • memory/3012-18-0x0000000000120000-0x0000000000439000-memory.dmp

      Filesize

      3.1MB

    • memory/3012-17-0x0000000006710000-0x0000000006A29000-memory.dmp

      Filesize

      3.1MB

    • memory/3012-0-0x0000000000120000-0x0000000000439000-memory.dmp

      Filesize

      3.1MB