Analysis

  • max time kernel
    138s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2024 16:50

General

  • Target

    E-STATMENT99923.exe

  • Size

    11.1MB

  • MD5

    114710ee73b8143f2e0242b660bcac15

  • SHA1

    e3866c2da48a3f7f0ba93225756ce7f723654725

  • SHA256

    f7ae58f22cbdeb69318f6cb3ff3757a9888e8731febd66e85ee9938f874705c9

  • SHA512

    a67cc555d2c51eec384834c2de0219cb9b98199b19603a159b181549fc3881cb84eba83891d6ffbdef9b95837d091868ec7ac9a66be14c52dad28deb1760134d

  • SSDEEP

    196608:LLHMUaWqpuqdk5m5erJrZvsq7xRtPOONA8HSc3kdMUf4DqwT/:LAUTqbS5mwrJlUEtWN8HDUdM3p

Malware Config

Extracted

Family

asyncrat

Version

| Edit by Vinom Rat

Botnet

8/4/2004

C2

luxeloot.info:2005

Mutex

AsyncMutex_345JNFV3c

Attributes
  • delay

    3

  • install

    false

  • install_file

    ANON.EXE.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Drops startup file 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 36 IoCs
  • Detects Pyinstaller 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\E-STATMENT99923.exe
    "C:\Users\Admin\AppData\Local\Temp\E-STATMENT99923.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Users\Admin\AppData\Local\Temp\@New_x32OD\@New_x32OD.exe
      C:\Users\Admin\AppData\Local\Temp\@New_x32OD\@New_x32OD.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4456
      • C:\Users\Admin\AppData\Local\Temp\@New_x32OD\@New_x32OD.exe
        C:\Users\Admin\AppData\Local\Temp\@New_x32OD\@New_x32OD.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2620
        • C:\Users\Admin\AppData\Local\Microsoft\fontdrvhost.exe
          "C:\Users\Admin\AppData\Local\Microsoft\fontdrvhost.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1060
          • C:\Users\Admin\AppData\Local\Microsoft\fontdrvhost.exe
            "C:\Users\Admin\AppData\Local\Microsoft\fontdrvhost.exe"
            5⤵
            • Drops startup file
            • Suspicious use of SetThreadContext
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3816
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:2204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\@New_x32OD\@New_x32OD.exe

    Filesize

    12.4MB

    MD5

    eb82a685cf9348bff8cd0a5bb710518a

    SHA1

    1e179c8dbb68f9a272e703f20e54f45d0f78ae6f

    SHA256

    bbfc49b0c160e7d0231ad70f3e45c9e9e7a7935da863792fde2732a2ce594614

    SHA512

    4dbecaa1b0fa0fa59e3e040942f0512207678cf4a4e182bd4657a576d70829b532e40b77bf6a719a156af10fb63ec97a193c5e0cc88043676c7889d148e14516

  • C:\Users\Admin\AppData\Local\Temp\_MEI10602\pip-22.3.dist-info\top_level.txt

    Filesize

    4B

    MD5

    365c9bfeb7d89244f2ce01c1de44cb85

    SHA1

    d7a03141d5d6b1e88b6b59ef08b6681df212c599

    SHA256

    ceebae7b8927a3227e5303cf5e0f1f7b34bb542ad7250ac03fbcde36ec2f1508

    SHA512

    d220d322a4053d84130567d626a9f7bb2fb8f0b854da1621f001826dc61b0ed6d3f91793627e6f0ac2ac27aea2b986b6a7a63427f05fe004d8a2adfbdadc13c1

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\VCRUNTIME140.dll

    Filesize

    85KB

    MD5

    89a24c66e7a522f1e0016b1d0b4316dc

    SHA1

    5340dd64cfe26e3d5f68f7ed344c4fd96fbd0d42

    SHA256

    3096cafb6a21b6d28cf4fe2dd85814f599412c0fe1ef090dd08d1c03affe9ab6

    SHA512

    e88e0459744a950829cd508a93e2ef0061293ab32facd9d8951686cbe271b34460efd159fd8ec4aa96ff8a629741006458b166e5cff21f35d049ad059bc56a1a

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\_bz2.pyd

    Filesize

    92KB

    MD5

    cf77513525fc652bad6c7f85e192e94b

    SHA1

    23ec3bb9cdc356500ec192cac16906864d5e9a81

    SHA256

    8bce02e8d44003c5301608b1722f7e26aada2a03d731fa92a48c124db40e2e41

    SHA512

    dbc1ba8794ce2d027145c78b7e1fc842ffbabb090abf9c29044657bdecd44396014b4f7c2b896de18aad6cfa113a4841a9ca567e501a6247832b205fe39584a9

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\_cffi_backend.cp37-win_amd64.pyd

    Filesize

    177KB

    MD5

    daccb97b9214bb1366ed40ad583679a2

    SHA1

    89554e638b62be5f388c9bdd35d9daf53a240e0c

    SHA256

    b714423d9cad42e67937531f2634001a870f8be2bf413eacfc9f73ef391a7915

    SHA512

    99fd5c80372d878f722e4bcb1b8c8c737600961d3a9dffc3e8277e024aaac8648c64825820e20da1ab9ad9180501218c6d796af1905d8845d41c6dbb4c6ebab0

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\_ctypes.pyd

    Filesize

    129KB

    MD5

    5e869eebb6169ce66225eb6725d5be4a

    SHA1

    747887da0d7ab152e1d54608c430e78192d5a788

    SHA256

    430f1886caf059f05cde6eb2e8d96feb25982749a151231e471e4b8d7f54f173

    SHA512

    feb6888bb61e271b1670317435ee8653dedd559263788fbf9a7766bc952defd7a43e7c3d9f539673c262abedd97b0c4dd707f0f5339b1c1570db4e25da804a16

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\_hashlib.pyd

    Filesize

    38KB

    MD5

    b32cb9615a9bada55e8f20dcea2fbf48

    SHA1

    a9c6e2d44b07b31c898a6d83b7093bf90915062d

    SHA256

    ca4f433a68c3921526f31f46d8a45709b946bbd40f04a4cfc6c245cb9ee0eab5

    SHA512

    5c583292de2ba33a3fc1129dfb4e2429ff2a30eeaf9c0bcff6cca487921f0ca02c3002b24353832504c3eec96a7b2c507f455b18717bcd11b239bbbbd79fadbe

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\_lzma.pyd

    Filesize

    172KB

    MD5

    5fbb728a3b3abbdd830033586183a206

    SHA1

    066fde2fa80485c4f22e0552a4d433584d672a54

    SHA256

    f9bc6036d9e4d57d08848418367743fb608434c04434ab07da9dabe4725f9a9b

    SHA512

    31e7c9fe9d8680378f8e3ea4473461ba830df2d80a3e24e5d02a106128d048430e5d5558c0b99ec51c3d1892c76e4baa14d63d1ec1fc6b1728858aa2a255b2fb

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\_socket.pyd

    Filesize

    75KB

    MD5

    8ea18d0eeae9044c278d2ea7a1dbae36

    SHA1

    de210842da8cb1cb14318789575d65117d14e728

    SHA256

    9822c258a9d25062e51eafc45d62ed19722e0450a212668f6737eb3bfe3a41c2

    SHA512

    d275ce71d422cfaacef1220dc1f35afba14b38a205623e3652766db11621b2a1d80c5d0fb0a7df19402ebe48603e76b8f8852f6cbff95a181d33e797476029f0

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\base_library.zip

    Filesize

    1000KB

    MD5

    8386cf8add72bab03573064b6e1d89d2

    SHA1

    c451d2f3eed6b944543f19c5bd15ae7e8832bbd4

    SHA256

    2eea4b6202a6a6f61cb4d75c78be5ec2e1052897f54973797885f2c3b24d202c

    SHA512

    2bb61f7fac7ecc7d5654756ae8286d5fd9e2730e6ac42f3e7516f598e00fd8b9b6d3e77373994bb31d89831278e6833d379f306d52033fa5c48a786ac67da2b2

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\clr_loader\ffi\dlls\amd64\ClrLoader.dll

    Filesize

    8KB

    MD5

    e8a52f61db8eb35ef3b8211bfbb821e9

    SHA1

    835d394badb777e9c7e4ef59c72a309500a3971e

    SHA256

    4942106eb2b86a37c63eba972a2c6c5870d4ae7535075bb5252556e2ff2357f6

    SHA512

    48e7f25ea4a4af1dc09fe594c25e8a962304922445a1e9708873cef4578a783eea913b59cc390d0e318c9d35995f01109b9a104b6176cd8cd081449988913626

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\libcrypto-1_1.dll

    Filesize

    3.2MB

    MD5

    cc4cbf715966cdcad95a1e6c95592b3d

    SHA1

    d5873fea9c084bcc753d1c93b2d0716257bea7c3

    SHA256

    594303e2ce6a4a02439054c84592791bf4ab0b7c12e9bbdb4b040e27251521f1

    SHA512

    3b5af9fbbc915d172648c2b0b513b5d2151f940ccf54c23148cd303e6660395f180981b148202bef76f5209acc53b8953b1cb067546f90389a6aa300c1fbe477

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\pyexpat.pyd

    Filesize

    198KB

    MD5

    6500aa010c8b50ffd1544f08af03fa4f

    SHA1

    a03f9f70d4ecc565f0fae26ef690d63e3711a20a

    SHA256

    752cf6804aac09480bf1e839a26285ec2668405010ed7ffd2021596e49b94dec

    SHA512

    f5f0521039c816408a5dd8b7394f9db5250e6dc14c0328898f1bed5de1e8a26338a678896f20aafa13c56b903b787f274d3dec467808787d00c74350863175d1

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\python37.dll

    Filesize

    3.6MB

    MD5

    c4709f84e6cf6e082b80c80b87abe551

    SHA1

    c0c55b229722f7f2010d34e26857df640182f796

    SHA256

    ca8e39f2b1d277b0a24a43b5b8eada5baf2de97488f7ef2484014df6e270b3f3

    SHA512

    e04a5832b9f2e1e53ba096e011367d46e6710389967fa7014a0e2d4a6ce6fc8d09d0ce20cee7e7d67d5057d37854eddab48bef7df1767f2ec3a4ab91475b7ce4

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\pythonnet\runtime\Python.Runtime.dll

    Filesize

    421KB

    MD5

    d94eea13862fa10cc55075a7b595c3ee

    SHA1

    af8607c0a6f67917d5f9d9136d7b981caaaa6a32

    SHA256

    22822869023482e6d15314a8cbd7cb700e5c1ef4d89ecff65ff4144b1840da79

    SHA512

    591359cdf1108297c49b68dc1c375f747aad19b0dc609fe625f0e8ed16d46804ae05a14c7fa3343493589bd3e5f6e8f485d7e54b1398c3f3881b4911cb38c643

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\pywin32_system32\pythoncom37.dll

    Filesize

    680KB

    MD5

    53cf89c12cd651b824bf19ea86822b7e

    SHA1

    da16db3464f268c202670d0b379c24e3cf8a886a

    SHA256

    1dd7f1beb75529a090e8157bac0cac3c55ed49579b48d8bcab6fc756931662fb

    SHA512

    3ad7c7c6ba790ae4f5eef055a4af1611b5b02331abe64a4923c699cafdeafd28da307d67d3a77ea2284f6824ed04300aa46a2e7f95d8a11acebc3a8d181d4e92

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\pywin32_system32\pywintypes37.dll

    Filesize

    133KB

    MD5

    f9d8093503c0eb02a2d30db794dbaa81

    SHA1

    d11ac482caef0a4f3b008644e34b5c962c69a3af

    SHA256

    47cfa248363c3e5e3c2fcd847bd73435890bac14c3403f2841fd5e138f936869

    SHA512

    c4ce86cecef6e2b3785f076667381f3e8e4b7d9e6e7c9e48d2fedde83670df61c51bdd852c3fadc826bee6025d9c22a1cd2f1ba255a7123047ac11e2ed262fdc

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\select.pyd

    Filesize

    26KB

    MD5

    fb4a0d7abaeaa76676846ad0f08fefa5

    SHA1

    755fd998215511506edd2c5c52807b46ca9393b2

    SHA256

    65a3c8806d456e9df2211051ed808a087a96c94d38e23d43121ac120b4d36429

    SHA512

    f5b3557f823ee4c662f2c9b7ecc5497934712e046aa8ae8e625f41756beb5e524227355316f9145bfabb89b0f6f93a1f37fa94751a66c344c38ce449e879d35f

  • C:\Users\Admin\AppData\Local\Temp\_MEI44562\win32\win32api.pyd

    Filesize

    136KB

    MD5

    ba792c828797ab1b1ec5062b12872540

    SHA1

    15745e8c75c7d46a08a2efc301c6d6f95d3676e9

    SHA256

    e86a8623f4532645419bd753baf239c77198a51c0663d5441ad6e8b56093f530

    SHA512

    0e5f02a25789d47a686a18186fd6811e1cecbbc3104b0b3135eea5cc99240c59a3c24a760f8fe77bca8bffa2b4b1e0c305c5f73a28af4f84772a67db00544b82

  • C:\Users\Admin\AppData\Local\Temp\nsz84A2.tmp\NAct.dll

    Filesize

    206KB

    MD5

    4680d6b7998bfbe553d71f2dbef292f5

    SHA1

    8afe71650680570e799d95ca926bca5610300c6f

    SHA256

    f23b8d65606c71b8dcecd34078d6037730a16979d402ea5e99a8df1447553c47

    SHA512

    067bb52f7be4c29c650578bd617fdeb56b555f6e3331c046305dbc706645b3aded0448a457d0045ce2dd8c4d9eaac213d88f39f7acad7c07255568c5e240617b

  • C:\Users\Admin\AppData\Local\Temp\nsz84A2.tmp\UAC.dll

    Filesize

    14KB

    MD5

    adb29e6b186daa765dc750128649b63d

    SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

    SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

  • memory/2204-279-0x0000000006090000-0x000000000612C000-memory.dmp

    Filesize

    624KB

  • memory/2204-278-0x0000000005460000-0x000000000546A000-memory.dmp

    Filesize

    40KB

  • memory/2204-277-0x0000000005490000-0x0000000005522000-memory.dmp

    Filesize

    584KB

  • memory/2204-276-0x00000000058A0000-0x0000000005E44000-memory.dmp

    Filesize

    5.6MB

  • memory/2204-243-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/2204-280-0x0000000006130000-0x0000000006196000-memory.dmp

    Filesize

    408KB

  • memory/2620-101-0x00007FFC10B30000-0x00007FFC10B3A000-memory.dmp

    Filesize

    40KB

  • memory/2620-104-0x00007FFBFFB23000-0x00007FFBFFB25000-memory.dmp

    Filesize

    8KB

  • memory/2620-110-0x00007FFBFFB20000-0x00007FFC005E1000-memory.dmp

    Filesize

    10.8MB

  • memory/2620-111-0x000001AF93B10000-0x000001AF93B20000-memory.dmp

    Filesize

    64KB

  • memory/2620-112-0x00007FFBFFB20000-0x00007FFC005E1000-memory.dmp

    Filesize

    10.8MB

  • memory/2620-113-0x000001AF93CD0000-0x000001AF93CD8000-memory.dmp

    Filesize

    32KB

  • memory/2620-114-0x00007FFBFFB20000-0x00007FFC005E1000-memory.dmp

    Filesize

    10.8MB

  • memory/2620-115-0x000001AFAC280000-0x000001AFAC2CA000-memory.dmp

    Filesize

    296KB

  • memory/2620-116-0x00007FFBFFB20000-0x00007FFC005E1000-memory.dmp

    Filesize

    10.8MB

  • memory/2620-169-0x00007FFBFFB20000-0x00007FFC005E1000-memory.dmp

    Filesize

    10.8MB

  • memory/2620-109-0x000001AFAC250000-0x000001AFAC272000-memory.dmp

    Filesize

    136KB

  • memory/2620-105-0x000001AF93C80000-0x000001AF93CF0000-memory.dmp

    Filesize

    448KB

  • memory/2620-107-0x000001AF93C40000-0x000001AF93C48000-memory.dmp

    Filesize

    32KB

  • memory/2620-108-0x000001AF93C80000-0x000001AF93C88000-memory.dmp

    Filesize

    32KB

  • memory/2620-106-0x000001AF93C50000-0x000001AF93C6A000-memory.dmp

    Filesize

    104KB

  • memory/2620-103-0x000001AF93B10000-0x000001AF93B20000-memory.dmp

    Filesize

    64KB

  • memory/2620-100-0x000001AF93B80000-0x000001AF93B8A000-memory.dmp

    Filesize

    40KB

  • memory/3816-241-0x000001F675EA0000-0x000001F675EBE000-memory.dmp

    Filesize

    120KB

  • memory/3816-240-0x000001F675EE0000-0x000001F675F56000-memory.dmp

    Filesize

    472KB

  • memory/3816-234-0x000001F65D6E0000-0x000001F65D6EA000-memory.dmp

    Filesize

    40KB

  • memory/3816-235-0x00007FFC10B90000-0x00007FFC10B9A000-memory.dmp

    Filesize

    40KB