Analysis

  • max time kernel
    94s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2024 18:34

General

  • Target

    SecuriteInfo.com.Win32.MalwareX-gen.20028.exe

  • Size

    12KB

  • MD5

    18208ba6920a74e8ca7bd244571ae383

  • SHA1

    61797d94d14935a588a799e8dc943355eb6f4022

  • SHA256

    1c30611e8e3a99301ffe1102d4f70c44fd2d7593878dcdf4178002777fe6e920

  • SHA512

    87fdb3de8301e8f2dd7b8601ee468e64387ce72616af21153d129f236bf28a6dd81e1ba905cd534281bdc94aca1d85898ec6e64170cab2bb58d3c608002f64f3

  • SSDEEP

    192:4Qt7If16ODCvuuYT6DI6kDmBwqVT9N62uEiGe5PF:A16O5CDIJDawqrklEiP5P

Malware Config

Extracted

Family

asyncrat

Version

AWS | RxR

Botnet

Default

C2

lastofdr51.mywire.org:6606

lastofdr51.mywire.org:7707

lastofdr51.mywire.org:8808

Nightmare15.strangled.net:6606

Nightmare15.strangled.net:7707

Nightmare15.strangled.net:8808

darkenssnight.ydns.eu:6606

darkenssnight.ydns.eu:7707

darkenssnight.ydns.eu:8808

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_file

    SystemUpdate.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • 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.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.20028.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.20028.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4300
    • C:\Users\Admin\AppData\Local\PhotoBox.exe
      "C:\Users\Admin\AppData\Local\PhotoBox.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4072
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\PhotoBox.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2576
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YeANKIEIC.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2824
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YeANKIEIC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBD02.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4428
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

    Filesize

    18KB

    MD5

    01af82dcab0b9008c64b2989edaeadd9

    SHA1

    d85e0429294f78587a3f26adbe204dd1f79852e1

    SHA256

    afc2bc07c0b227af2a6638ee98f7254ea5d1d98c47430330a4407a8f6e453c81

    SHA512

    1abb2f9a9d7de903b58f8ccd302cb8ae2783251760c6447bbbe6bc8c6fb9f0a8f0f93cc84fd83de8dc94021603f1cbbb543f9533c02596e87f263839ef5a09e9

  • C:\Users\Admin\AppData\Local\PhotoBox.exe

    Filesize

    513KB

    MD5

    8d8718cc95ecf6af196cc0c0eaac9ae2

    SHA1

    0c822251da19e4f9f5a0b555d85fcf8813034b32

    SHA256

    89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4

    SHA512

    98a74f1db9a7334f05327d871e7aa4e3b264d2cc36709df6e625edb79dde1e49a355b439fa7b72e6a5714a9c2e5b8807aa94aa137fee36c78388bbeeb9445114

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jl2pv5wl.vze.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpBD02.tmp

    Filesize

    1KB

    MD5

    25ef7789f3e5848cf975f1976a009d80

    SHA1

    ff844eb62b2132c842f6438e15e631f48ab30e56

    SHA256

    aaf9e53482f76e64264908d050025ed5beff7fa4b1ea11b26b2630905bfa48c3

    SHA512

    9ade8162ea5cdfcbd7c73b5d4323b4623054763aa506194abdf0d2d057e4e967cfe91ce5bbc9b3da843911fcc08ff5784dcf1ec661838e073367e7ecb2af489e

  • memory/2576-91-0x00000000071B0000-0x00000000071CA000-memory.dmp

    Filesize

    104KB

  • memory/2576-87-0x00000000070F0000-0x0000000007186000-memory.dmp

    Filesize

    600KB

  • memory/2576-86-0x0000000006EE0000-0x0000000006EEA000-memory.dmp

    Filesize

    40KB

  • memory/2576-73-0x0000000070000000-0x000000007004C000-memory.dmp

    Filesize

    304KB

  • memory/2576-60-0x0000000005BE0000-0x0000000005C2C000-memory.dmp

    Filesize

    304KB

  • memory/2576-59-0x0000000005B60000-0x0000000005B7E000-memory.dmp

    Filesize

    120KB

  • memory/2576-90-0x00000000070B0000-0x00000000070C4000-memory.dmp

    Filesize

    80KB

  • memory/2576-32-0x0000000002220000-0x0000000002256000-memory.dmp

    Filesize

    216KB

  • memory/2576-36-0x00000000054F0000-0x0000000005556000-memory.dmp

    Filesize

    408KB

  • memory/2576-34-0x0000000004D70000-0x0000000004D92000-memory.dmp

    Filesize

    136KB

  • memory/2576-35-0x0000000004E10000-0x0000000004E76000-memory.dmp

    Filesize

    408KB

  • memory/2576-33-0x0000000004EC0000-0x00000000054E8000-memory.dmp

    Filesize

    6.2MB

  • memory/2824-85-0x0000000007BB0000-0x0000000007BCA000-memory.dmp

    Filesize

    104KB

  • memory/2824-62-0x0000000070000000-0x000000007004C000-memory.dmp

    Filesize

    304KB

  • memory/2824-92-0x0000000007ED0000-0x0000000007ED8000-memory.dmp

    Filesize

    32KB

  • memory/2824-89-0x0000000007DE0000-0x0000000007DEE000-memory.dmp

    Filesize

    56KB

  • memory/2824-88-0x0000000007DB0000-0x0000000007DC1000-memory.dmp

    Filesize

    68KB

  • memory/2824-84-0x0000000008210000-0x000000000888A000-memory.dmp

    Filesize

    6.5MB

  • memory/2824-61-0x0000000006E40000-0x0000000006E72000-memory.dmp

    Filesize

    200KB

  • memory/2824-83-0x0000000007AE0000-0x0000000007B83000-memory.dmp

    Filesize

    652KB

  • memory/2824-72-0x0000000006E80000-0x0000000006E9E000-memory.dmp

    Filesize

    120KB

  • memory/4072-17-0x0000000005320000-0x00000000058C4000-memory.dmp

    Filesize

    5.6MB

  • memory/4072-16-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4072-21-0x0000000005310000-0x0000000005320000-memory.dmp

    Filesize

    64KB

  • memory/4072-58-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4072-19-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4072-26-0x0000000006C80000-0x0000000006CD8000-memory.dmp

    Filesize

    352KB

  • memory/4072-22-0x0000000006640000-0x0000000006994000-memory.dmp

    Filesize

    3.3MB

  • memory/4072-15-0x00000000004A0000-0x0000000000526000-memory.dmp

    Filesize

    536KB

  • memory/4072-20-0x0000000004DE0000-0x0000000004DEA000-memory.dmp

    Filesize

    40KB

  • memory/4072-18-0x0000000004E10000-0x0000000004EA2000-memory.dmp

    Filesize

    584KB

  • memory/4072-27-0x0000000009440000-0x00000000094DC000-memory.dmp

    Filesize

    624KB

  • memory/4072-25-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-24-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-23-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/4300-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/4300-2-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-1-0x0000000000F30000-0x0000000000F3A000-memory.dmp

    Filesize

    40KB

  • memory/4408-48-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB