Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

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
  • 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 4 IoCs

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

  • Drops startup file 1 IoCs
  • 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 9 IoCs
  • 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).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 28 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
    • 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:2572
    • 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
      • 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:2804
      • C:\Users\Admin\AppData\Local\Temp\1018676001\systemsound.exe
        "C:\Users\Admin\AppData\Local\Temp\1018676001\systemsound.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2236
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 612
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:2344
      • C:\Users\Admin\AppData\Local\Temp\1018820001\20261eb00c.exe
        "C:\Users\Admin\AppData\Local\Temp\1018820001\20261eb00c.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4836
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" Add-MpPreference -ExclusionPath "C:\tslcudfqob"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4916
        • 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:4984
      • C:\Users\Admin\AppData\Local\Temp\1018821001\d50b5e9ad2.exe
        "C:\Users\Admin\AppData\Local\Temp\1018821001\d50b5e9ad2.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\1018586001\KDLBJP7.exe

    Filesize

    1.5MB

    MD5

    fe9044b6b71ab4f7ee9475891acbb2ca

    SHA1

    17539df3e0478729b61b1f6e82426ad47f05391f

    SHA256

    366abe07779080156c246b2e63efe87895d00c7ef76853aaa5fa4e0c9af0d993

    SHA512

    4558c1dc662efa4096a7e4e7affabc97cbe364d39c0aef0c45f6a7b2ae48c80108c291887c5581daea066bbb5f9566097ad38900f3f81a8f7f5e2ed1a6cda5eb

  • C:\Users\Admin\AppData\Local\Temp\1018676001\systemsound.exe

    Filesize

    1.2MB

    MD5

    b5c16c628277965fd1fb8fead07b149d

    SHA1

    cf25269a9896c550ae73eb4c71c2080d0273553a

    SHA256

    fbaf4ce60142ad358be5fcbf6545462d24053982161606e5212203ecfc733d27

    SHA512

    35a92b04c2e7879d0c7605f173a86b7cf83689f8fa2cf9ccda6cb236ec10f845c9626f6028858e23cc7240fabb860538da25b40eb415151eae13a1b116ad278b

  • C:\Users\Admin\AppData\Local\Temp\1018820001\20261eb00c.exe

    Filesize

    21KB

    MD5

    14becdf1e2402e9aa6c2be0e6167041e

    SHA1

    72cbbae6878f5e06060a0038b25ede93b445f0df

    SHA256

    7a769963165063758f15f6e0cece25c9d13072f67fa0d3c25a03a5104fe0783a

    SHA512

    16b837615505f352e134afd9d8655c9cabfa5bfcfbee2c0c34f2d7d9588aa71f875e4e5feb8cdf0f7bacc00f7c1ca8dabd3b3d92afc99abf705c05c78e298b4a

  • C:\Users\Admin\AppData\Local\Temp\1018821001\d50b5e9ad2.exe

    Filesize

    1.0MB

    MD5

    7622bc8aafebb69b7ad6c9a4a17e11c6

    SHA1

    a9ceb928cb0c7618870c23b07bfdba059da53f48

    SHA256

    d2c8cd3c2a42968d9c92932810bb762fb02be4cbf1641b0918ee8e5b0171d845

    SHA512

    6b15a5274348599a286b80e97cccc4fc79a3b4853b388995ab93d8393737d3e8f4783037de9776a0d8345bc73b0c1cd15e19a6d05222d181470335c900230160

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

    Filesize

    2.9MB

    MD5

    a916c16724e4aa3eef3839f1647f2b0f

    SHA1

    981069c2d4254ca1b9cf41bc5dab8db5bfda1558

    SHA256

    45400639f60d98c903e3942bea79413d9779bb1a62d96ffe1ac621de8dbd3800

    SHA512

    dc4949109a56e0b177a266e3b30d7675a6af578af31e103dc5ca9a3e26da42c01b472b64cbe0b17c4c64890f477bfffc1a95bc256159ce7e112da20971448980

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    b8e896755216745634cf2d0fd435908e

    SHA1

    7e693072272bece3cfef7a68b34ccf3c0e420720

    SHA256

    69f712eed175ea96d9f1b767de1bb2d6c580f5c5a7d7a15e3a59ee34f38c290b

    SHA512

    fc31c61798841d0a8cd8f2f5c61a0438fba19924b9343abf24e0a6182f2c7a6336b65a97a2ef4880721b6697980e7465e9381304137f2bb632d92e53afc7c78f

  • memory/2236-96-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-98-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-1264-0x0000000002190000-0x00000000021E4000-memory.dmp

    Filesize

    336KB

  • memory/2236-114-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-66-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-1240-0x0000000001F30000-0x0000000001F7C000-memory.dmp

    Filesize

    304KB

  • memory/2236-1239-0x00000000044B0000-0x000000000453A000-memory.dmp

    Filesize

    552KB

  • memory/2236-70-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-72-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-74-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-76-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-82-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-84-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-86-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-90-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-93-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-94-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-116-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-100-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-102-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-104-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-106-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-108-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-61-0x00000000009F0000-0x0000000000B24000-memory.dmp

    Filesize

    1.2MB

  • memory/2236-62-0x0000000004BF0000-0x0000000004D08000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-80-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-63-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-64-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-110-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-112-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-68-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-78-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2236-88-0x0000000004BF0000-0x0000000004D03000-memory.dmp

    Filesize

    1.1MB

  • memory/2572-2-0x0000000000BA1000-0x0000000000BCF000-memory.dmp

    Filesize

    184KB

  • memory/2572-0-0x0000000000BA0000-0x0000000000EBB000-memory.dmp

    Filesize

    3.1MB

  • memory/2572-1-0x0000000077AE0000-0x0000000077AE2000-memory.dmp

    Filesize

    8KB

  • memory/2572-4-0x0000000000BA0000-0x0000000000EBB000-memory.dmp

    Filesize

    3.1MB

  • memory/2572-5-0x0000000000BA0000-0x0000000000EBB000-memory.dmp

    Filesize

    3.1MB

  • memory/2572-16-0x0000000006750000-0x0000000006A6B000-memory.dmp

    Filesize

    3.1MB

  • memory/2572-15-0x0000000000BA0000-0x0000000000EBB000-memory.dmp

    Filesize

    3.1MB

  • memory/2572-3-0x0000000000BA0000-0x0000000000EBB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-29-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-25-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-32-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-31-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-30-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-21-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-28-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-27-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-26-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-33-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-23-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-24-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-19-0x00000000011A1000-0x00000000011CF000-memory.dmp

    Filesize

    184KB

  • memory/2804-20-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-34-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-18-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-35-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/2804-36-0x00000000011A0000-0x00000000014BB000-memory.dmp

    Filesize

    3.1MB

  • memory/4836-1255-0x00000000013C0000-0x00000000013CC000-memory.dmp

    Filesize

    48KB