Analysis

  • max time kernel
    147s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-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 6 IoCs
  • Async RAT payload 6 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) 5 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
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea84b06cfd59116fd687d38a13909ab00f0e38d572d0de1df42be909bea5ac45.exe
    "C:\Users\Admin\AppData\Local\Temp\ea84b06cfd59116fd687d38a13909ab00f0e38d572d0de1df42be909bea5ac45.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Users\Admin\AppData\LocalICgDIlOjTU.exe
      "C:\Users\Admin\AppData\LocalICgDIlOjTU.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2580
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:844
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
            PID:1504
          • C:\Windows\SysWOW64\netsh.exe
            netsh wlan show profile
            4⤵
              PID:1228
            • C:\Windows\SysWOW64\findstr.exe
              findstr All
              4⤵
                PID:2664
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:2556
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                4⤵
                  PID:1572
                • C:\Windows\SysWOW64\netsh.exe
                  netsh wlan show networks mode=bssid
                  4⤵
                    PID:1612
              • C:\Users\Admin\AppData\LocalPDkoGnLcju..exe
                "C:\Users\Admin\AppData\LocalPDkoGnLcju..exe"
                2⤵
                • Executes dropped EXE
                • Modifies registry class
                • Suspicious use of AdjustPrivilegeToken
                PID:1732

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

              Filesize

              344B

              MD5

              67d74cafc4cbc491f23bef21d2e9401a

              SHA1

              d8fbbb79c979c6aecd7c88e5ab6d0f4a4f0939f4

              SHA256

              6e2675eda99a1b9e52d41690b87b000053d36e64752d6e2432205ef51dc47d40

              SHA512

              a0f5ff666ceaeb01d066e05ad28b2f0e6d595b0e5830d96beb0c3471f2c96f3679acfee7f4ffab76c86d35e64e3b63ba87267c5e4095d2c75179f07f8e49ac2c

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

              Filesize

              1.8MB

              MD5

              8c538e3eda34cb6e7cbe470d93d1384a

              SHA1

              ccf64721bd9691e0a27cbb0d258b6bc14f8fa32c

              SHA256

              2bcc54ed052152ac1fb77d9c8740f4ab87e3e59f3cd82e232df64c38b369f057

              SHA512

              5aa63e3edbac96c32e415570a76c90f5c4dbf1dc6781c1f90d805e21a08473a0c15f11596f286f1c482e7125b31748f74f2176beba7da7954d7cc024de291e7e

            • C:\Users\Admin\AppData\Local\8a95576f3d912ac1585f66251b6e9147\msgid.dat

              Filesize

              1B

              MD5

              cfcd208495d565ef66e7dff9f98764da

              SHA1

              b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

              SHA256

              5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

              SHA512

              31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

            • C:\Users\Admin\AppData\Local\Temp\Cab5E8E.tmp

              Filesize

              62KB

              MD5

              3ac860860707baaf32469fa7cc7c0192

              SHA1

              c33c2acdaba0e6fa41fd2f00f186804722477639

              SHA256

              d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

              SHA512

              d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

            • C:\Users\Admin\AppData\Local\Temp\Tar6120.tmp

              Filesize

              164KB

              MD5

              4ff65ad929cd9a367680e0e5b1c08166

              SHA1

              c0af0d4396bd1f15c45f39d3b849ba444233b3a2

              SHA256

              c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

              SHA512

              f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

            • C:\Users\Admin\AppData\Local\d869ceddfbbaae72888d61f058af8045\Admin@MGKTNXNO_en-US\Browsers\Firefox\Bookmarks.txt

              Filesize

              105B

              MD5

              2e9d094dda5cdc3ce6519f75943a4ff4

              SHA1

              5d989b4ac8b699781681fe75ed9ef98191a5096c

              SHA256

              c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

              SHA512

              d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

            • memory/1716-54-0x0000000000010000-0x000000000021A000-memory.dmp

              Filesize

              2.0MB

            • memory/1716-57-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

              Filesize

              9.6MB

            • memory/1716-58-0x0000000000730000-0x00000000007B0000-memory.dmp

              Filesize

              512KB

            • memory/1716-69-0x000007FEF5480000-0x000007FEF5E1D000-memory.dmp

              Filesize

              9.6MB

            • memory/1732-116-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-130-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-77-0x0000000005510000-0x0000000005550000-memory.dmp

              Filesize

              256KB

            • memory/1732-76-0x0000000005510000-0x0000000005550000-memory.dmp

              Filesize

              256KB

            • memory/1732-78-0x0000000005390000-0x00000000054D0000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-79-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-80-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-82-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-84-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-86-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-88-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-90-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-92-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-94-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-96-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-98-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-100-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-106-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-104-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-102-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-108-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-110-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-112-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-114-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-68-0x0000000000400000-0x00000000009A9000-memory.dmp

              Filesize

              5.7MB

            • memory/1732-118-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-120-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-122-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-126-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-124-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-128-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-75-0x0000000005510000-0x0000000005550000-memory.dmp

              Filesize

              256KB

            • memory/1732-132-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-134-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-136-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-138-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-140-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-142-0x0000000005390000-0x00000000054C9000-memory.dmp

              Filesize

              1.2MB

            • memory/1732-233-0x0000000000400000-0x00000000009A9000-memory.dmp

              Filesize

              5.7MB

            • memory/1732-260-0x0000000000400000-0x00000000009A9000-memory.dmp

              Filesize

              5.7MB

            • memory/1732-266-0x0000000074010000-0x00000000746FE000-memory.dmp

              Filesize

              6.9MB

            • memory/1732-70-0x0000000000400000-0x00000000009A9000-memory.dmp

              Filesize

              5.7MB

            • memory/1732-294-0x0000000005510000-0x0000000005550000-memory.dmp

              Filesize

              256KB

            • memory/1732-296-0x0000000005510000-0x0000000005550000-memory.dmp

              Filesize

              256KB

            • memory/1732-366-0x0000000005510000-0x0000000005550000-memory.dmp

              Filesize

              256KB

            • memory/1732-73-0x0000000074010000-0x00000000746FE000-memory.dmp

              Filesize

              6.9MB

            • memory/1732-1010-0x0000000005510000-0x0000000005550000-memory.dmp

              Filesize

              256KB

            • memory/1732-1011-0x0000000005BA0000-0x0000000005D6C000-memory.dmp

              Filesize

              1.8MB

            • memory/1732-1012-0x0000000005D70000-0x0000000005EBE000-memory.dmp

              Filesize

              1.3MB

            • memory/1732-1013-0x0000000005500000-0x0000000005514000-memory.dmp

              Filesize

              80KB

            • memory/1732-1014-0x0000000005510000-0x0000000005550000-memory.dmp

              Filesize

              256KB

            • memory/1732-1015-0x0000000006BA0000-0x0000000006CA0000-memory.dmp

              Filesize

              1024KB

            • memory/1732-72-0x0000000005550000-0x00000000056A6000-memory.dmp

              Filesize

              1.3MB

            • memory/1732-1052-0x0000000005510000-0x0000000005550000-memory.dmp

              Filesize

              256KB

            • memory/1732-1053-0x0000000005510000-0x0000000005550000-memory.dmp

              Filesize

              256KB

            • memory/1732-1054-0x0000000006BA0000-0x0000000006CA0000-memory.dmp

              Filesize

              1024KB

            • memory/2580-1048-0x0000000000520000-0x0000000000560000-memory.dmp

              Filesize

              256KB

            • memory/2580-1073-0x0000000000520000-0x0000000000560000-memory.dmp

              Filesize

              256KB

            • memory/2580-71-0x0000000001160000-0x0000000001192000-memory.dmp

              Filesize

              200KB

            • memory/2580-292-0x0000000074010000-0x00000000746FE000-memory.dmp

              Filesize

              6.9MB

            • memory/2580-74-0x0000000074010000-0x00000000746FE000-memory.dmp

              Filesize

              6.9MB