Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15-05-2024 10:31

General

  • Target

    6fba5a67a20fffc5773724d7d5fddcf5e66c3559c95a9c77e45ceb42d3896e5d.exe

  • Size

    1.7MB

  • MD5

    445c97f698db73056437f42b1d431f93

  • SHA1

    b70ee72867b8faa0039e552555191c6006bfca2b

  • SHA256

    6fba5a67a20fffc5773724d7d5fddcf5e66c3559c95a9c77e45ceb42d3896e5d

  • SHA512

    2099798eb9451b442bd500615c4f5bd1ad950ff9d9fb61dc2dbbf6f34bf1c26b9476fb281d4542e609c5f0e72ef60f7d3d10afa244b2e6bfbdb71008776f75fe

  • SSDEEP

    49152:L1ZxWMiLZe8YuT9rGX1UJyAv3no9AKFetxJW:LLxW5ZefCdaC7MFetxE

Malware Config

Extracted

Family

amadey

Version

4.20

C2

http://5.42.96.141

http://5.42.96.7

Attributes
  • install_dir

    908f070dff

  • install_file

    explorku.exe

  • strings_key

    b25a9385246248a95c600f9a061438e1

  • url_paths

    /go34ko8/index.php

rc4.plain
rc4.plain

Extracted

Family

risepro

C2

147.45.47.126:58709

Signatures

  • Amadey

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

  • RisePro

    RisePro stealer is an infostealer distributed by PrivateLoader.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 9 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 18 IoCs

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

  • Executes dropped EXE 8 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.

  • Themida packer 47 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 5 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6fba5a67a20fffc5773724d7d5fddcf5e66c3559c95a9c77e45ceb42d3896e5d.exe
    "C:\Users\Admin\AppData\Local\Temp\6fba5a67a20fffc5773724d7d5fddcf5e66c3559c95a9c77e45ceb42d3896e5d.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3912
    • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
      "C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of WriteProcessMemory
      PID:2076
      • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
        "C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe"
        3⤵
          PID:412
        • C:\Users\Admin\AppData\Local\Temp\1000005001\amers.exe
          "C:\Users\Admin\AppData\Local\Temp\1000005001\amers.exe"
          3⤵
          • 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
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:868
          • C:\Users\Admin\AppData\Local\Temp\7af68cdb52\axplons.exe
            "C:\Users\Admin\AppData\Local\Temp\7af68cdb52\axplons.exe"
            4⤵
            • 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
            • Suspicious behavior: EnumeratesProcesses
            PID:1288
        • C:\Users\Admin\1000006002\e1ebca2afa.exe
          "C:\Users\Admin\1000006002\e1ebca2afa.exe"
          3⤵
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Checks whether UAC is enabled
          PID:3120
    • C:\Users\Admin\AppData\Local\Temp\7af68cdb52\axplons.exe
      C:\Users\Admin\AppData\Local\Temp\7af68cdb52\axplons.exe
      1⤵
      • 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
      • Suspicious behavior: EnumeratesProcesses
      PID:3584
    • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
      C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      PID:1504
    • C:\Users\Admin\AppData\Local\Temp\7af68cdb52\axplons.exe
      C:\Users\Admin\AppData\Local\Temp\7af68cdb52\axplons.exe
      1⤵
      • 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
      • Suspicious behavior: EnumeratesProcesses
      PID:4788
    • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
      C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      PID:4024

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    3
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    3
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\1000006002\e1ebca2afa.exe
      Filesize

      2.1MB

      MD5

      29ae760d21e9a54c50daaf021b7e2ffc

      SHA1

      1114b6e97e0da531fd763aaf46146908f8a067a9

      SHA256

      8a77b3b86e0da5f55e682ea9871014ec07ee7813a88a26f74dd0747675959d55

      SHA512

      f5ac0e28451d9b81eb7b891d4e9555104d418b8f68cddf82fa210e6a642339a6e6f1c795257c219dd01d225420c37962813931a27d3049e4fea2430867f9ca50

    • C:\Users\Admin\AppData\Local\Temp\1000005001\amers.exe
      Filesize

      1.8MB

      MD5

      76b3df90091f71476b4f7dbbe57aabad

      SHA1

      b8d504ed9a2bc2b88a7561df8359977054c2432f

      SHA256

      9b0acd138f37415b01b9c5bba267c2fbe893fff81d109f886a1cf4edb8443220

      SHA512

      dd6071855345d17df57cafb75dd54363fc5da4f84e0a71920db3eb10c4dcc1a484d8dcfe1541f127afefd3167dfa22e078dfbb4f07cb4989338eb0ac2c8ee5d8

    • C:\Users\Admin\AppData\Local\Temp\908f070dff\explorku.exe
      Filesize

      1.7MB

      MD5

      445c97f698db73056437f42b1d431f93

      SHA1

      b70ee72867b8faa0039e552555191c6006bfca2b

      SHA256

      6fba5a67a20fffc5773724d7d5fddcf5e66c3559c95a9c77e45ceb42d3896e5d

      SHA512

      2099798eb9451b442bd500615c4f5bd1ad950ff9d9fb61dc2dbbf6f34bf1c26b9476fb281d4542e609c5f0e72ef60f7d3d10afa244b2e6bfbdb71008776f75fe

    • memory/868-50-0x00000000778F6000-0x00000000778F8000-memory.dmp
      Filesize

      8KB

    • memory/868-49-0x0000000000E80000-0x000000000132C000-memory.dmp
      Filesize

      4.7MB

    • memory/868-63-0x0000000000E80000-0x000000000132C000-memory.dmp
      Filesize

      4.7MB

    • memory/1288-93-0x00000000000A0000-0x000000000054C000-memory.dmp
      Filesize

      4.7MB

    • memory/1288-96-0x00000000000A0000-0x000000000054C000-memory.dmp
      Filesize

      4.7MB

    • memory/1288-127-0x00000000000A0000-0x000000000054C000-memory.dmp
      Filesize

      4.7MB

    • memory/1288-112-0x00000000000A0000-0x000000000054C000-memory.dmp
      Filesize

      4.7MB

    • memory/1288-124-0x00000000000A0000-0x000000000054C000-memory.dmp
      Filesize

      4.7MB

    • memory/1288-64-0x00000000000A0000-0x000000000054C000-memory.dmp
      Filesize

      4.7MB

    • memory/1288-121-0x00000000000A0000-0x000000000054C000-memory.dmp
      Filesize

      4.7MB

    • memory/1288-118-0x00000000000A0000-0x000000000054C000-memory.dmp
      Filesize

      4.7MB

    • memory/1288-115-0x00000000000A0000-0x000000000054C000-memory.dmp
      Filesize

      4.7MB

    • memory/1504-106-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/1504-101-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/1504-102-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/1504-103-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/1504-107-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/1504-108-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/1504-109-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/1504-105-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/1504-104-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/2076-27-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/2076-92-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/2076-23-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/2076-29-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/2076-30-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/2076-28-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/2076-26-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/2076-25-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/2076-24-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/2076-22-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/2076-47-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/3120-87-0x00000000004E0000-0x0000000000B56000-memory.dmp
      Filesize

      6.5MB

    • memory/3120-84-0x00000000004E0000-0x0000000000B56000-memory.dmp
      Filesize

      6.5MB

    • memory/3120-89-0x00000000004E0000-0x0000000000B56000-memory.dmp
      Filesize

      6.5MB

    • memory/3120-94-0x00000000004E0000-0x0000000000B56000-memory.dmp
      Filesize

      6.5MB

    • memory/3120-90-0x00000000004E0000-0x0000000000B56000-memory.dmp
      Filesize

      6.5MB

    • memory/3120-91-0x00000000004E0000-0x0000000000B56000-memory.dmp
      Filesize

      6.5MB

    • memory/3120-83-0x00000000004E0000-0x0000000000B56000-memory.dmp
      Filesize

      6.5MB

    • memory/3120-88-0x00000000004E0000-0x0000000000B56000-memory.dmp
      Filesize

      6.5MB

    • memory/3120-85-0x00000000004E0000-0x0000000000B56000-memory.dmp
      Filesize

      6.5MB

    • memory/3120-86-0x00000000004E0000-0x0000000000B56000-memory.dmp
      Filesize

      6.5MB

    • memory/3584-110-0x00000000000A0000-0x000000000054C000-memory.dmp
      Filesize

      4.7MB

    • memory/3584-99-0x00000000000A0000-0x000000000054C000-memory.dmp
      Filesize

      4.7MB

    • memory/3912-6-0x0000000000770000-0x0000000000CBE000-memory.dmp
      Filesize

      5.3MB

    • memory/3912-1-0x0000000000770000-0x0000000000CBE000-memory.dmp
      Filesize

      5.3MB

    • memory/3912-4-0x0000000000770000-0x0000000000CBE000-memory.dmp
      Filesize

      5.3MB

    • memory/3912-21-0x0000000000770000-0x0000000000CBE000-memory.dmp
      Filesize

      5.3MB

    • memory/3912-0-0x0000000000770000-0x0000000000CBE000-memory.dmp
      Filesize

      5.3MB

    • memory/3912-5-0x0000000000770000-0x0000000000CBE000-memory.dmp
      Filesize

      5.3MB

    • memory/3912-7-0x0000000000770000-0x0000000000CBE000-memory.dmp
      Filesize

      5.3MB

    • memory/3912-3-0x0000000000770000-0x0000000000CBE000-memory.dmp
      Filesize

      5.3MB

    • memory/3912-2-0x0000000000770000-0x0000000000CBE000-memory.dmp
      Filesize

      5.3MB

    • memory/3912-8-0x0000000000770000-0x0000000000CBE000-memory.dmp
      Filesize

      5.3MB

    • memory/4024-133-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/4024-136-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/4024-134-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/4024-135-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/4024-142-0x0000000000790000-0x0000000000CDE000-memory.dmp
      Filesize

      5.3MB

    • memory/4788-131-0x00000000000A0000-0x000000000054C000-memory.dmp
      Filesize

      4.7MB

    • memory/4788-144-0x00000000000A0000-0x000000000054C000-memory.dmp
      Filesize

      4.7MB