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Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/08/2023, 21:21

General

  • Target

    ea84b06cfd59116fd687d38a13909ab00f0e38d572d0de1df42be909bea5ac45.exe

  • Size

    2.0MB

  • MD5

    f90fc1de990f77587a7bb0d515d20303

  • SHA1

    9f84a45eb11b549dd68fade6174f4142d3285a0f

  • SHA256

    ea84b06cfd59116fd687d38a13909ab00f0e38d572d0de1df42be909bea5ac45

  • SHA512

    26c9a042a0c8ead8aeb84420bd2f772c98110c0c592f61ed8e7035b6911dac6a376da9daadd2fc11ec9bafc7c4ff2a7356885be68b08dc4e2a4fd68b7334412e

  • SSDEEP

    49152:EWtJTTUYbkfboEgpymruN7Un006BzwH6R8:LtJTufEEgofm5YzC

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot6123399090:AAHe0LPn_e2tZLMjvzDttAXhWJ3Emna58XM/sendMessage?chat_id=6080368456

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 5 IoCs
  • Async RAT payload 5 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops desktop.ini file(s) 7 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea84b06cfd59116fd687d38a13909ab00f0e38d572d0de1df42be909bea5ac45.exe
    "C:\Users\Admin\AppData\Local\Temp\ea84b06cfd59116fd687d38a13909ab00f0e38d572d0de1df42be909bea5ac45.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4544
    • C:\Users\Admin\AppData\LocalICgDIlOjTU.exe
      "C:\Users\Admin\AppData\LocalICgDIlOjTU.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1120
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:3520
          • C:\Windows\SysWOW64\netsh.exe
            netsh wlan show profile
            4⤵
              PID:1864
            • C:\Windows\SysWOW64\findstr.exe
              findstr All
              4⤵
                PID:648
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:2952
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                4⤵
                  PID:4128
                • C:\Windows\SysWOW64\netsh.exe
                  netsh wlan show networks mode=bssid
                  4⤵
                    PID:3800
              • C:\Users\Admin\AppData\LocalPDkoGnLcju..exe
                "C:\Users\Admin\AppData\LocalPDkoGnLcju..exe"
                2⤵
                • Executes dropped EXE
                • Modifies registry class
                • Suspicious use of AdjustPrivilegeToken
                PID:4520

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\LocalICgDIlOjTU.exe

              Filesize

              175KB

              MD5

              dd34d9f192b430ded91280d28302cf35

              SHA1

              f5602de3aa0e5c59f4c9a5a46411a2178feefec4

              SHA256

              0b656c6f9a40cbb679e04d102d8801b9143550eb601afb29f2afa0e4ac14ed19

              SHA512

              8c01bdd0dc5cbe9aea0a0a279f814438aea8af67f9883ab60550d5a802eb4acee64f32ab3fd3f928eca77770fb6ccd2bcc2b8747afc43b856376de49d1c2d842

            • C:\Users\Admin\AppData\LocalICgDIlOjTU.exe

              Filesize

              175KB

              MD5

              dd34d9f192b430ded91280d28302cf35

              SHA1

              f5602de3aa0e5c59f4c9a5a46411a2178feefec4

              SHA256

              0b656c6f9a40cbb679e04d102d8801b9143550eb601afb29f2afa0e4ac14ed19

              SHA512

              8c01bdd0dc5cbe9aea0a0a279f814438aea8af67f9883ab60550d5a802eb4acee64f32ab3fd3f928eca77770fb6ccd2bcc2b8747afc43b856376de49d1c2d842

            • C:\Users\Admin\AppData\LocalICgDIlOjTU.exe

              Filesize

              175KB

              MD5

              dd34d9f192b430ded91280d28302cf35

              SHA1

              f5602de3aa0e5c59f4c9a5a46411a2178feefec4

              SHA256

              0b656c6f9a40cbb679e04d102d8801b9143550eb601afb29f2afa0e4ac14ed19

              SHA512

              8c01bdd0dc5cbe9aea0a0a279f814438aea8af67f9883ab60550d5a802eb4acee64f32ab3fd3f928eca77770fb6ccd2bcc2b8747afc43b856376de49d1c2d842

            • C:\Users\Admin\AppData\LocalPDkoGnLcju..exe

              Filesize

              1.8MB

              MD5

              8c538e3eda34cb6e7cbe470d93d1384a

              SHA1

              ccf64721bd9691e0a27cbb0d258b6bc14f8fa32c

              SHA256

              2bcc54ed052152ac1fb77d9c8740f4ab87e3e59f3cd82e232df64c38b369f057

              SHA512

              5aa63e3edbac96c32e415570a76c90f5c4dbf1dc6781c1f90d805e21a08473a0c15f11596f286f1c482e7125b31748f74f2176beba7da7954d7cc024de291e7e

            • C:\Users\Admin\AppData\LocalPDkoGnLcju..exe

              Filesize

              1.8MB

              MD5

              8c538e3eda34cb6e7cbe470d93d1384a

              SHA1

              ccf64721bd9691e0a27cbb0d258b6bc14f8fa32c

              SHA256

              2bcc54ed052152ac1fb77d9c8740f4ab87e3e59f3cd82e232df64c38b369f057

              SHA512

              5aa63e3edbac96c32e415570a76c90f5c4dbf1dc6781c1f90d805e21a08473a0c15f11596f286f1c482e7125b31748f74f2176beba7da7954d7cc024de291e7e

            • C:\Users\Admin\AppData\LocalPDkoGnLcju..exe

              Filesize

              1.8MB

              MD5

              8c538e3eda34cb6e7cbe470d93d1384a

              SHA1

              ccf64721bd9691e0a27cbb0d258b6bc14f8fa32c

              SHA256

              2bcc54ed052152ac1fb77d9c8740f4ab87e3e59f3cd82e232df64c38b369f057

              SHA512

              5aa63e3edbac96c32e415570a76c90f5c4dbf1dc6781c1f90d805e21a08473a0c15f11596f286f1c482e7125b31748f74f2176beba7da7954d7cc024de291e7e

            • C:\Users\Admin\AppData\Local\59eef321bb0f566b714e54fa0c74f63f\Admin@LMMMEQUO_en-US\Browsers\Firefox\Bookmarks.txt

              Filesize

              105B

              MD5

              2e9d094dda5cdc3ce6519f75943a4ff4

              SHA1

              5d989b4ac8b699781681fe75ed9ef98191a5096c

              SHA256

              c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

              SHA512

              d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

            • C:\Users\Admin\AppData\Local\59eef321bb0f566b714e54fa0c74f63f\Admin@LMMMEQUO_en-US\System\Process.txt

              Filesize

              4KB

              MD5

              fdbe286e8e4c49da466f6a26992b4817

              SHA1

              b981c037778610176291628e9b59d6890d7882a2

              SHA256

              576310939c535c1c501a0db5c70e18d1b88cbe429801949189269fa47b127d1a

              SHA512

              93a44e8d7e7ebc5bbb74071d8d7369f3cda594147cdab4a839946e32602f2c183aa101d508a1911260aba20b2e92c0a64fdeec031f68367916fefa51b94d3860

            • C:\Users\Admin\AppData\Local\837af3fb21b1bb704e7fab5bd3b2ec5f\msgid.dat

              Filesize

              1B

              MD5

              cfcd208495d565ef66e7dff9f98764da

              SHA1

              b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

              SHA256

              5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

              SHA512

              31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

            • memory/2732-1216-0x00000000068B0000-0x00000000068BA000-memory.dmp

              Filesize

              40KB

            • memory/2732-1209-0x0000000005860000-0x0000000005870000-memory.dmp

              Filesize

              64KB

            • memory/2732-234-0x00000000743D0000-0x0000000074B80000-memory.dmp

              Filesize

              7.7MB

            • memory/2732-165-0x00000000743D0000-0x0000000074B80000-memory.dmp

              Filesize

              7.7MB

            • memory/2732-1222-0x0000000005860000-0x0000000005870000-memory.dmp

              Filesize

              64KB

            • memory/2732-1223-0x0000000006A10000-0x0000000006A22000-memory.dmp

              Filesize

              72KB

            • memory/2732-168-0x0000000000E80000-0x0000000000EB2000-memory.dmp

              Filesize

              200KB

            • memory/2732-371-0x0000000005970000-0x00000000059D6000-memory.dmp

              Filesize

              408KB

            • memory/4520-200-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-220-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-172-0x0000000000400000-0x00000000009A9000-memory.dmp

              Filesize

              5.7MB

            • memory/4520-173-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-174-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-176-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-178-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-180-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-182-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-184-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-186-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-188-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-190-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-192-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-194-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-196-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-198-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-160-0x0000000000400000-0x00000000009A9000-memory.dmp

              Filesize

              5.7MB

            • memory/4520-202-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-204-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-206-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-208-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-210-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-212-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-214-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-216-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-218-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-171-0x0000000005CB0000-0x0000000006254000-memory.dmp

              Filesize

              5.6MB

            • memory/4520-222-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-224-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-226-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-228-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-230-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-232-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-170-0x00000000059F0000-0x0000000005A00000-memory.dmp

              Filesize

              64KB

            • memory/4520-235-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-237-0x0000000005A00000-0x0000000005B39000-memory.dmp

              Filesize

              1.2MB

            • memory/4520-291-0x00000000743D0000-0x0000000074B80000-memory.dmp

              Filesize

              7.7MB

            • memory/4520-169-0x00000000059F0000-0x0000000005A00000-memory.dmp

              Filesize

              64KB

            • memory/4520-405-0x00000000059F0000-0x0000000005A00000-memory.dmp

              Filesize

              64KB

            • memory/4520-480-0x00000000059F0000-0x0000000005A00000-memory.dmp

              Filesize

              64KB

            • memory/4520-167-0x00000000743D0000-0x0000000074B80000-memory.dmp

              Filesize

              7.7MB

            • memory/4520-1149-0x0000000005910000-0x00000000059A2000-memory.dmp

              Filesize

              584KB

            • memory/4520-1151-0x00000000059F0000-0x0000000005A00000-memory.dmp

              Filesize

              64KB

            • memory/4520-1154-0x0000000005B40000-0x0000000005B4A000-memory.dmp

              Filesize

              40KB

            • memory/4520-1173-0x00000000059F0000-0x0000000005A00000-memory.dmp

              Filesize

              64KB

            • memory/4520-166-0x0000000000400000-0x00000000009A9000-memory.dmp

              Filesize

              5.7MB

            • memory/4520-1215-0x00000000059F0000-0x0000000005A00000-memory.dmp

              Filesize

              64KB

            • memory/4520-1212-0x00000000059F0000-0x0000000005A00000-memory.dmp

              Filesize

              64KB

            • memory/4544-162-0x00007FFC36490000-0x00007FFC36E31000-memory.dmp

              Filesize

              9.6MB

            • memory/4544-136-0x00007FFC36490000-0x00007FFC36E31000-memory.dmp

              Filesize

              9.6MB

            • memory/4544-139-0x0000000000CD0000-0x0000000000EDA000-memory.dmp

              Filesize

              2.0MB

            • memory/4544-138-0x0000000001650000-0x0000000001660000-memory.dmp

              Filesize

              64KB

            • memory/4544-137-0x00007FFC36490000-0x00007FFC36E31000-memory.dmp

              Filesize

              9.6MB