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
    25-12-2024 20:41

General

  • Target

    cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe

  • Size

    61KB

  • MD5

    a2c0aac6a28d606b4e0e6b9b2c9010d2

  • SHA1

    68fd191a7a8f91b8c2dc719a508f45d44c634071

  • SHA256

    cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92

  • SHA512

    9a340cf7084598fadef7e335b7fd8f7b60e55a83e0d41ff2d3381d190a8c507dd876faf52b4b411054bf4ba768c982707eef3d957d8393eccc3210dfcf6749cc

  • SSDEEP

    1536:8F8JsI94/CcIAVBjl03bCPSirh18n3bNEx+:m8JsZCcIAzjl03bCPrh18rNEE

Score
10/10

Malware Config

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Async RAT payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • Delays execution with timeout.exe 1 IoCs
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
    "C:\Users\Admin\AppData\Local\Temp\cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "girlshelpgirls3" /tr '"C:\Users\Admin\AppData\Roaming\girlshelpgirls3.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1452
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "girlshelpgirls3" /tr '"C:\Users\Admin\AppData\Roaming\girlshelpgirls3.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2916
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpB51C.tmp.bat""
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1804
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2216
      • C:\Users\Admin\AppData\Roaming\girlshelpgirls3.exe
        "C:\Users\Admin\AppData\Roaming\girlshelpgirls3.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB51C.tmp.bat

    Filesize

    159B

    MD5

    29507b730aaf1ffa79b5f1b8a9ef14d0

    SHA1

    582e43676dea37f49b26ab57af218e7c9a2f8cd2

    SHA256

    f58f35e60c2212e464f47e6e757a0dbc34055246934cd89e2075f8ed6d264430

    SHA512

    3851df2f136aa047236e28ab8be639ba6ac09551fb442345d6e4919f9bf6759b8208094dfd3bfd701a2c6d303a31473cc02ba40e071439216ba1e9ed74661267

  • \Users\Admin\AppData\Roaming\girlshelpgirls3.exe

    Filesize

    61KB

    MD5

    a2c0aac6a28d606b4e0e6b9b2c9010d2

    SHA1

    68fd191a7a8f91b8c2dc719a508f45d44c634071

    SHA256

    cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92

    SHA512

    9a340cf7084598fadef7e335b7fd8f7b60e55a83e0d41ff2d3381d190a8c507dd876faf52b4b411054bf4ba768c982707eef3d957d8393eccc3210dfcf6749cc

  • memory/1832-16-0x0000000000FC0000-0x0000000000FD6000-memory.dmp

    Filesize

    88KB

  • memory/2424-0-0x000000007411E000-0x000000007411F000-memory.dmp

    Filesize

    4KB

  • memory/2424-1-0x0000000000200000-0x0000000000216000-memory.dmp

    Filesize

    88KB

  • memory/2424-2-0x0000000074110000-0x00000000747FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2424-11-0x0000000074110000-0x00000000747FE000-memory.dmp

    Filesize

    6.9MB