Analysis

  • max time kernel
    150s
  • max time network
    152s
  • 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 18:28

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:3580
    • 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:2884
      • 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:3272
      • 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:4356
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YeANKIEIC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA38E.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4912
      • 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:2232

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

    191b43326eb9cb190b145facb7646801

    SHA1

    2c1a3c361131120995f2605767c7809d9f1212a9

    SHA256

    6e05a53a622243056237e0348c4a3f985f3601341b5799ff075033b61bed96f0

    SHA512

    79832a93ea9fd157e4a932036b4e5353a3d448cf05e93667bea8560a46576c030a6cb987ae7945a4afec36cf43e60e66bc47204a645951a4f23342d9c7f6518c

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

    Filesize

    513KB

    MD5

    8d8718cc95ecf6af196cc0c0eaac9ae2

    SHA1

    0c822251da19e4f9f5a0b555d85fcf8813034b32

    SHA256

    89d813e660f2438c15b502fe9cba3a61dd069a4f4fafded91feac3039731bdb4

    SHA512

    98a74f1db9a7334f05327d871e7aa4e3b264d2cc36709df6e625edb79dde1e49a355b439fa7b72e6a5714a9c2e5b8807aa94aa137fee36c78388bbeeb9445114

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_igx25pbh.akv.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpA38E.tmp

    Filesize

    1KB

    MD5

    b99ee35f2ad9dd4f68ac2c49aa1115d3

    SHA1

    71aa60c7f3b385e5bdb8736c2f57fa7873572397

    SHA256

    9e99f2fa2ef2f0f69b4cfeab2e1f3aaa2e95688519c4b8840b76ddf99fecea24

    SHA512

    e1baec9f9bd988f6ad28d28e6ff8bb1bb4a08b3b3244f23908b183c1e81d5891ac47a64186eab3716860d8a47d295d573704d7f777a0bfaa3e246618f1531518

  • memory/2232-48-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/2884-19-0x0000000075130000-0x00000000758E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2884-18-0x0000000004FC0000-0x0000000005052000-memory.dmp

    Filesize

    584KB

  • memory/2884-17-0x0000000005570000-0x0000000005B14000-memory.dmp

    Filesize

    5.6MB

  • memory/2884-20-0x0000000004F50000-0x0000000004F5A000-memory.dmp

    Filesize

    40KB

  • memory/2884-21-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB

  • memory/2884-22-0x00000000067B0000-0x0000000006B04000-memory.dmp

    Filesize

    3.3MB

  • memory/2884-59-0x0000000075130000-0x00000000758E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2884-15-0x0000000075130000-0x00000000758E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2884-25-0x0000000075130000-0x00000000758E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2884-26-0x0000000006B10000-0x0000000006B68000-memory.dmp

    Filesize

    352KB

  • memory/2884-27-0x00000000091C0000-0x000000000925C000-memory.dmp

    Filesize

    624KB

  • memory/2884-16-0x0000000000620000-0x00000000006A6000-memory.dmp

    Filesize

    536KB

  • memory/3272-37-0x0000000005DF0000-0x0000000005E56000-memory.dmp

    Filesize

    408KB

  • memory/3272-73-0x0000000070770000-0x00000000707BC000-memory.dmp

    Filesize

    304KB

  • memory/3272-35-0x0000000005C70000-0x0000000005C92000-memory.dmp

    Filesize

    136KB

  • memory/3272-32-0x0000000004E30000-0x0000000004E66000-memory.dmp

    Filesize

    216KB

  • memory/3272-36-0x0000000005D10000-0x0000000005D76000-memory.dmp

    Filesize

    408KB

  • memory/3272-33-0x0000000005610000-0x0000000005C38000-memory.dmp

    Filesize

    6.2MB

  • memory/3580-0-0x000000007513E000-0x000000007513F000-memory.dmp

    Filesize

    4KB

  • memory/3580-24-0x0000000075130000-0x00000000758E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3580-23-0x000000007513E000-0x000000007513F000-memory.dmp

    Filesize

    4KB

  • memory/3580-1-0x0000000000F60000-0x0000000000F6A000-memory.dmp

    Filesize

    40KB

  • memory/3580-2-0x0000000075130000-0x00000000758E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4356-84-0x0000000007A80000-0x0000000007B23000-memory.dmp

    Filesize

    652KB

  • memory/4356-88-0x0000000007E30000-0x0000000007EC6000-memory.dmp

    Filesize

    600KB

  • memory/4356-63-0x0000000070770000-0x00000000707BC000-memory.dmp

    Filesize

    304KB

  • memory/4356-62-0x0000000007A20000-0x0000000007A52000-memory.dmp

    Filesize

    200KB

  • memory/4356-85-0x0000000008200000-0x000000000887A000-memory.dmp

    Filesize

    6.5MB

  • memory/4356-86-0x0000000007BB0000-0x0000000007BCA000-memory.dmp

    Filesize

    104KB

  • memory/4356-87-0x0000000007C30000-0x0000000007C3A000-memory.dmp

    Filesize

    40KB

  • memory/4356-74-0x0000000007A60000-0x0000000007A7E000-memory.dmp

    Filesize

    120KB

  • memory/4356-89-0x0000000007DB0000-0x0000000007DC1000-memory.dmp

    Filesize

    68KB

  • memory/4356-90-0x0000000007DE0000-0x0000000007DEE000-memory.dmp

    Filesize

    56KB

  • memory/4356-91-0x0000000007DF0000-0x0000000007E04000-memory.dmp

    Filesize

    80KB

  • memory/4356-92-0x0000000007EF0000-0x0000000007F0A000-memory.dmp

    Filesize

    104KB

  • memory/4356-93-0x0000000007ED0000-0x0000000007ED8000-memory.dmp

    Filesize

    32KB

  • memory/4356-61-0x00000000068B0000-0x00000000068FC000-memory.dmp

    Filesize

    304KB

  • memory/4356-60-0x0000000006890000-0x00000000068AE000-memory.dmp

    Filesize

    120KB