Analysis

  • max time kernel
    141s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18/11/2024, 23:12

General

  • Target

    ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe

  • Size

    1.8MB

  • MD5

    eeef76a63a88870ee08ebbbd90fbcb8f

  • SHA1

    f004204f188147498ffb6caf514ab03de1f7dc53

  • SHA256

    ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3

  • SHA512

    6e5282765414205c43a3548ad7ef9fd1cd4550cf46ccd34dbb909f2870311428835d275482a771dffd197bb02da821b5e039b0b5a5a55876b9447945bad9b1d9

  • SSDEEP

    49152:YqdBhdxABFI3NaLJ48787I+zNd5T46CBOQxNnU:NBRzoy8QTZ46SL

Malware Config

Extracted

Family

amadey

Version

5.04

Botnet

4bee07

C2

http://185.215.113.209

Attributes
  • install_dir

    fc9e0aaab7

  • install_file

    defnur.exe

  • strings_key

    191655f008adc880f91bfc85bc56db54

  • url_paths

    /Fru7Nk9/index.php

rc4.plain

Signatures

  • Amadey

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

  • Amadey family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Blocklisted process makes network request 1 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 3 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 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 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 3 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.exe
    "C:\Users\Admin\AppData\Local\Temp\ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3.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:1076
    • C:\Users\Admin\AppData\Local\Temp\fc9e0aaab7\defnur.exe
      "C:\Users\Admin\AppData\Local\Temp\fc9e0aaab7\defnur.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:2824
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1928
      • C:\Users\Admin\AppData\Local\Temp\10003590101\cd6c9ae014.exe
        "C:\Users\Admin\AppData\Local\Temp\10003590101\cd6c9ae014.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1648
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c start cmd /C "ping localhost -n 1 && start C:\Users\Admin\AppData\Local\klops.exe"
          4⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:1748
          • C:\Windows\system32\cmd.exe
            cmd /C "ping localhost -n 1 && start C:\Users\Admin\AppData\Local\klops.exe"
            5⤵
            • Loads dropped DLL
            • System Network Configuration Discovery: Internet Connection Discovery
            • Suspicious use of WriteProcessMemory
            PID:2232
            • C:\Windows\system32\PING.EXE
              ping localhost -n 1
              6⤵
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:1888
            • C:\Users\Admin\AppData\Local\klops.exe
              C:\Users\Admin\AppData\Local\klops.exe
              6⤵
              • Executes dropped EXE
              PID:2316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    3613ab0a55c4ef28d4170c2da3b22474

    SHA1

    7c5842b1a6a460083786a72c2baf391272a7f5c6

    SHA256

    63224dde33861d3f588545fa9817dbd5d15d621559d92ea86104d9331970b73d

    SHA512

    e38cca021529dd5df446225e40ded41c0405d09860f0a6fae29c72f95ece43328021d8527d6f455e80e7fc2006ff6546cb1306a96e946c63c23a381bfbab9df2

  • C:\Users\Admin\AppData\Local\Temp\10003590101\cd6c9ae014.exe

    Filesize

    3.5MB

    MD5

    c63a8ca4db450d6e09cb1d3709c893ad

    SHA1

    fc6ee19f76ecd5b361b02d0f9e2aaa2a0ca59010

    SHA256

    5d5e5e00b2683092a89e16c271369a03aea176e466b29205df5730b26e19b4b7

    SHA512

    36d10d4a1981aed0e930bda1a66afc99b1f5e4e412921f9f4c2e0a140bdc1f17d6b1f0b7a379e03fa47c26e0f71a31591d946a219eb17e5652c97c46b6fbde0a

  • C:\Users\Admin\AppData\Local\Temp\Cab7B88.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar7BAA.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll

    Filesize

    124KB

    MD5

    0d3418372c854ee228b78e16ea7059be

    SHA1

    c0a29d4e74d39308a50f4fd21d0cca1f98cb02c1

    SHA256

    885bf0b3b12b77ef3f953fbb48def1b45079faa2a4d574ee16afdbafa1de3ac7

    SHA512

    e30dced307e04ae664367a998cd1ba36349e99e363f70897b5d90c898de2c69c393182c3afba63a74956b5e6f49f0635468e88ed31dd1e3c86c21e987ddd2c19

  • \Users\Admin\AppData\Local\Temp\fc9e0aaab7\defnur.exe

    Filesize

    1.8MB

    MD5

    eeef76a63a88870ee08ebbbd90fbcb8f

    SHA1

    f004204f188147498ffb6caf514ab03de1f7dc53

    SHA256

    ced12cc0251c49540e67b299b737dc112e29ee97f5f3d93edf8fd3cd046328b3

    SHA512

    6e5282765414205c43a3548ad7ef9fd1cd4550cf46ccd34dbb909f2870311428835d275482a771dffd197bb02da821b5e039b0b5a5a55876b9447945bad9b1d9

  • memory/1076-3-0x0000000000E20000-0x00000000012ED000-memory.dmp

    Filesize

    4.8MB

  • memory/1076-16-0x0000000000E20000-0x00000000012ED000-memory.dmp

    Filesize

    4.8MB

  • memory/1076-14-0x00000000072E0000-0x00000000077AD000-memory.dmp

    Filesize

    4.8MB

  • memory/1076-4-0x0000000000E20000-0x00000000012ED000-memory.dmp

    Filesize

    4.8MB

  • memory/1076-0-0x0000000000E20000-0x00000000012ED000-memory.dmp

    Filesize

    4.8MB

  • memory/1076-2-0x0000000000E21000-0x0000000000E4F000-memory.dmp

    Filesize

    184KB

  • memory/1076-1-0x0000000077980000-0x0000000077982000-memory.dmp

    Filesize

    8KB

  • memory/2824-26-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-18-0x00000000000E1000-0x000000000010F000-memory.dmp

    Filesize

    184KB

  • memory/2824-25-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-23-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-27-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-28-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-22-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-21-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-19-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-24-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-17-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-119-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-165-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-166-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-167-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-168-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-169-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-170-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-171-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB

  • memory/2824-172-0x00000000000E0000-0x00000000005AD000-memory.dmp

    Filesize

    4.8MB