Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2024 20:04

General

  • Target

    45400639f60d98c903e3942bea79413d9779bb1a62d96ffe1ac621de8dbd3800_Sigmanly.exe

  • Size

    2.9MB

  • MD5

    a916c16724e4aa3eef3839f1647f2b0f

  • SHA1

    981069c2d4254ca1b9cf41bc5dab8db5bfda1558

  • SHA256

    45400639f60d98c903e3942bea79413d9779bb1a62d96ffe1ac621de8dbd3800

  • SHA512

    dc4949109a56e0b177a266e3b30d7675a6af578af31e103dc5ca9a3e26da42c01b472b64cbe0b17c4c64890f477bfffc1a95bc256159ce7e112da20971448980

  • SSDEEP

    49152:XYcTFPtXwQoLZUBwsfBvrDtWM2ztzbHm2HCoQVQBhm9vOVTU:vho9UBwsfBTDtW1ztHHmToQycvOVT

Malware Config

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

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 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 10 IoCs

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

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 6 IoCs
  • Identifies Wine through registry keys 2 TTPs 5 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 12 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 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45400639f60d98c903e3942bea79413d9779bb1a62d96ffe1ac621de8dbd3800_Sigmanly.exe
    "C:\Users\Admin\AppData\Local\Temp\45400639f60d98c903e3942bea79413d9779bb1a62d96ffe1ac621de8dbd3800_Sigmanly.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Identifies Wine through registry keys
    • 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:2060
    • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
      "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Checks computer location settings
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:220
      • C:\Users\Admin\AppData\Local\Temp\1018820001\913cee7ddd.exe
        "C:\Users\Admin\AppData\Local\Temp\1018820001\913cee7ddd.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3536
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" Add-MpPreference -ExclusionPath "C:\meqdjfe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2616
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" Add-MpPreference -ExclusionPath "C:\ProgramData"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2728
        • C:\meqdjfe\251c762947624c2ea023d6f882c74e50.exe
          "C:\meqdjfe\251c762947624c2ea023d6f882c74e50.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:4532
  • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
    C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.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:3960
  • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
    C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.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:4372
  • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
    C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.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:652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    58b7509448459302d45c99a5b139fcc1

    SHA1

    8dde0f5bde8e2f161ad034d12319729a20fb0ef0

    SHA256

    a6a82fdbaa5ccd27a2d168f239c845bafd410c960c6c2e4c387958c7e6af046c

    SHA512

    21bf8595c54935a018e106e4a643d67a9b7e64285cccbbd8f3eb9ef1a20fa17e6ce57eba31c3654217def06549f055bcc68793aa808d8c71b64efef44b808ffc

  • C:\Users\Admin\AppData\Local\Temp\1018820001\913cee7ddd.exe

    Filesize

    21KB

    MD5

    14becdf1e2402e9aa6c2be0e6167041e

    SHA1

    72cbbae6878f5e06060a0038b25ede93b445f0df

    SHA256

    7a769963165063758f15f6e0cece25c9d13072f67fa0d3c25a03a5104fe0783a

    SHA512

    16b837615505f352e134afd9d8655c9cabfa5bfcfbee2c0c34f2d7d9588aa71f875e4e5feb8cdf0f7bacc00f7c1ca8dabd3b3d92afc99abf705c05c78e298b4a

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_flj2qbsc.4vx.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe

    Filesize

    2.9MB

    MD5

    a916c16724e4aa3eef3839f1647f2b0f

    SHA1

    981069c2d4254ca1b9cf41bc5dab8db5bfda1558

    SHA256

    45400639f60d98c903e3942bea79413d9779bb1a62d96ffe1ac621de8dbd3800

    SHA512

    dc4949109a56e0b177a266e3b30d7675a6af578af31e103dc5ca9a3e26da42c01b472b64cbe0b17c4c64890f477bfffc1a95bc256159ce7e112da20971448980

  • C:\meqdjfe\251c762947624c2ea023d6f882c74e50.exe

    Filesize

    1.2MB

    MD5

    577cd52217da6d7163cea46bb01c107f

    SHA1

    82b31cc52c538238e63bdfc22d1ea306ea0b852a

    SHA256

    139762e396fb930400fab8faab80cb679abbe642144261cba24973fb23bcd728

    SHA512

    8abad4eaf2a302dfd9ead058e8c14d996437975730125c46d034a71028921ff36ff5d157ad3671e328ac667ec8095db19fa14a9e8eaaf1a7738aa3d0120b5474

  • memory/220-43-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-126-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-18-0x0000000000A41000-0x0000000000A6F000-memory.dmp

    Filesize

    184KB

  • memory/220-19-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-20-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-16-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-39-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-148-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-82-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-145-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-77-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-144-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-143-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-142-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-141-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-140-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-114-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-135-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-133-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-131-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-61-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/220-129-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/652-147-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/2060-15-0x0000000000EB0000-0x00000000011CB000-memory.dmp

    Filesize

    3.1MB

  • memory/2060-3-0x0000000000EB0000-0x00000000011CB000-memory.dmp

    Filesize

    3.1MB

  • memory/2060-4-0x0000000000EB0000-0x00000000011CB000-memory.dmp

    Filesize

    3.1MB

  • memory/2060-2-0x0000000000EB1000-0x0000000000EDF000-memory.dmp

    Filesize

    184KB

  • memory/2060-1-0x0000000077454000-0x0000000077456000-memory.dmp

    Filesize

    8KB

  • memory/2060-0-0x0000000000EB0000-0x00000000011CB000-memory.dmp

    Filesize

    3.1MB

  • memory/2616-80-0x0000000007580000-0x0000000007591000-memory.dmp

    Filesize

    68KB

  • memory/2616-47-0x0000000005960000-0x00000000059C6000-memory.dmp

    Filesize

    408KB

  • memory/2616-81-0x00000000075B0000-0x00000000075BE000-memory.dmp

    Filesize

    56KB

  • memory/2616-78-0x00000000073F0000-0x00000000073FA000-memory.dmp

    Filesize

    40KB

  • memory/2616-83-0x00000000075C0000-0x00000000075D4000-memory.dmp

    Filesize

    80KB

  • memory/2616-84-0x00000000076C0000-0x00000000076DA000-memory.dmp

    Filesize

    104KB

  • memory/2616-85-0x00000000076A0000-0x00000000076A8000-memory.dmp

    Filesize

    32KB

  • memory/2616-76-0x0000000007380000-0x000000000739A000-memory.dmp

    Filesize

    104KB

  • memory/2616-48-0x00000000059D0000-0x0000000005A36000-memory.dmp

    Filesize

    408KB

  • memory/2616-75-0x00000000079C0000-0x000000000803A000-memory.dmp

    Filesize

    6.5MB

  • memory/2616-79-0x0000000007600000-0x0000000007696000-memory.dmp

    Filesize

    600KB

  • memory/2616-44-0x0000000002730000-0x0000000002766000-memory.dmp

    Filesize

    216KB

  • memory/2616-58-0x0000000005B40000-0x0000000005E94000-memory.dmp

    Filesize

    3.3MB

  • memory/2616-74-0x0000000007040000-0x00000000070E3000-memory.dmp

    Filesize

    652KB

  • memory/2616-73-0x0000000006620000-0x000000000663E000-memory.dmp

    Filesize

    120KB

  • memory/2616-46-0x0000000005800000-0x0000000005822000-memory.dmp

    Filesize

    136KB

  • memory/2616-59-0x0000000006050000-0x000000000606E000-memory.dmp

    Filesize

    120KB

  • memory/2616-63-0x000000006F8D0000-0x000000006F91C000-memory.dmp

    Filesize

    304KB

  • memory/2616-45-0x00000000051D0000-0x00000000057F8000-memory.dmp

    Filesize

    6.2MB

  • memory/2616-60-0x0000000006080000-0x00000000060CC000-memory.dmp

    Filesize

    304KB

  • memory/2616-62-0x0000000007000000-0x0000000007032000-memory.dmp

    Filesize

    200KB

  • memory/2728-89-0x0000000005560000-0x00000000058B4000-memory.dmp

    Filesize

    3.3MB

  • memory/2728-100-0x000000006F8D0000-0x000000006F91C000-memory.dmp

    Filesize

    304KB

  • memory/3536-42-0x0000000073060000-0x0000000073810000-memory.dmp

    Filesize

    7.7MB

  • memory/3536-41-0x0000000000170000-0x000000000017C000-memory.dmp

    Filesize

    48KB

  • memory/3536-125-0x0000000073060000-0x0000000073810000-memory.dmp

    Filesize

    7.7MB

  • memory/3536-40-0x000000007306E000-0x000000007306F000-memory.dmp

    Filesize

    4KB

  • memory/3536-111-0x0000000073060000-0x0000000073810000-memory.dmp

    Filesize

    7.7MB

  • memory/3960-113-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/4372-138-0x0000000000A40000-0x0000000000D5B000-memory.dmp

    Filesize

    3.1MB

  • memory/4532-139-0x00000000000B0000-0x000000000046B000-memory.dmp

    Filesize

    3.7MB

  • memory/4532-136-0x00000000000B0000-0x000000000046B000-memory.dmp

    Filesize

    3.7MB

  • memory/4532-134-0x00000000000B0000-0x000000000046B000-memory.dmp

    Filesize

    3.7MB

  • memory/4532-132-0x00000000000B0000-0x000000000046B000-memory.dmp

    Filesize

    3.7MB

  • memory/4532-130-0x00000000000B0000-0x000000000046B000-memory.dmp

    Filesize

    3.7MB

  • memory/4532-128-0x00000000000B0000-0x000000000046B000-memory.dmp

    Filesize

    3.7MB

  • memory/4532-127-0x00000000000B0000-0x000000000046B000-memory.dmp

    Filesize

    3.7MB

  • memory/4532-123-0x00000000000B0000-0x000000000046B000-memory.dmp

    Filesize

    3.7MB