Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04-01-2025 10:38

General

  • Target

    Client.exe

  • Size

    78KB

  • MD5

    39afdfecb59c1dc6656f76a458e91684

  • SHA1

    e7e99b64fcbbd4faecad0e953b22147040293ef5

  • SHA256

    d9b2a57f408ffac54b1243ef5d0311a3b9548c868d48216195d5c4efbfd53e7a

  • SHA512

    30a05fb653d38f2093a7b45dffd93141890a0d378c616aaa5045ab21899730169e2cf21d4fb98a18df9fdfa9775b9c002f973d79e230053dbce6c28d7f29211f

  • SSDEEP

    1536:kn9Otw9zJ14+qkEAjR7XBWPz5Gq8mzOD1btS6JAduU1:kn9O+jq+q1ABXGmm6D1btZPq

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

dmcszhekydwkmqm

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/6ZBHT1SN

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 44 IoCs
  • Looks up external IP address via web service 4 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client.exe
    "C:\Users\Admin\AppData\Local\Temp\Client.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3232
  • C:\Windows\System32\Taskmgr.exe
    "C:\Windows\System32\Taskmgr.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4020
  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4756
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=1992 -parentBuildID 20240401114208 -prefsHandle 1908 -prefMapHandle 1900 -prefsLen 23678 -prefMapSize 244658 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a561288a-01b3-4bf5-aed0-b33428cc7a7c} 4756 "\\.\pipe\gecko-crash-server-pipe.4756" gpu
        3⤵
          PID:724
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2396 -parentBuildID 20240401114208 -prefsHandle 2388 -prefMapHandle 2376 -prefsLen 23714 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {8543186e-b383-43c3-9404-516159059f67} 4756 "\\.\pipe\gecko-crash-server-pipe.4756" socket
          3⤵
            PID:4600
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3224 -childID 1 -isForBrowser -prefsHandle 2980 -prefMapHandle 2912 -prefsLen 23855 -prefMapSize 244658 -jsInitHandle 960 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a93a74d1-061f-434a-b400-cebad59f9e28} 4756 "\\.\pipe\gecko-crash-server-pipe.4756" tab
            3⤵
              PID:1684
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3608 -childID 2 -isForBrowser -prefsHandle 1480 -prefMapHandle 2684 -prefsLen 29088 -prefMapSize 244658 -jsInitHandle 960 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {4c00a572-8bb0-40c6-a93d-836cdedce9a6} 4756 "\\.\pipe\gecko-crash-server-pipe.4756" tab
              3⤵
                PID:3396
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4256 -parentBuildID 20240401114208 -sandboxingKind 0 -prefsHandle 4268 -prefMapHandle 4264 -prefsLen 29088 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {4c970ef2-94d1-4bb5-88c0-96b030fe709c} 4756 "\\.\pipe\gecko-crash-server-pipe.4756" utility
                3⤵
                • Checks processor information in registry
                PID:2612
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5196 -childID 3 -isForBrowser -prefsHandle 4232 -prefMapHandle 5172 -prefsLen 26944 -prefMapSize 244658 -jsInitHandle 960 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {52378c38-f1b2-4865-8b59-be5fafd03802} 4756 "\\.\pipe\gecko-crash-server-pipe.4756" tab
                3⤵
                  PID:3600
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5340 -childID 4 -isForBrowser -prefsHandle 5416 -prefMapHandle 5412 -prefsLen 26944 -prefMapSize 244658 -jsInitHandle 960 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {470c22a7-9f91-46a2-9975-665084f24ade} 4756 "\\.\pipe\gecko-crash-server-pipe.4756" tab
                  3⤵
                    PID:4576
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5568 -childID 5 -isForBrowser -prefsHandle 5312 -prefMapHandle 5316 -prefsLen 26944 -prefMapSize 244658 -jsInitHandle 960 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f4b6222d-1c3d-419c-9181-6ae94e173bfa} 4756 "\\.\pipe\gecko-crash-server-pipe.4756" tab
                    3⤵
                      PID:2956
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=6108 -childID 6 -isForBrowser -prefsHandle 4444 -prefMapHandle 4440 -prefsLen 27178 -prefMapSize 244658 -jsInitHandle 960 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {0586f025-313f-4252-b6c6-5d4cec238acc} 4756 "\\.\pipe\gecko-crash-server-pipe.4756" tab
                      3⤵
                        PID:4860

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\dfn8djy7.default-release\settings\main\ms-language-packs\browser\newtab\asrouter.ftl

                    Filesize

                    15KB

                    MD5

                    96c542dec016d9ec1ecc4dddfcbaac66

                    SHA1

                    6199f7648bb744efa58acf7b96fee85d938389e4

                    SHA256

                    7f32769d6bb4e875f58ceb9e2fbfdc9bd6b82397eca7a4c5230b0786e68f1798

                    SHA512

                    cda2f159c3565bc636e0523c893b293109de2717142871b1ec78f335c12bad96fc3f62bcf56a1a88abdeed2ac3f3e5e9a008b45e24d713e13c23103acc15e658

                  • C:\Users\Admin\AppData\Local\Temp\tmpaddon

                    Filesize

                    479KB

                    MD5

                    09372174e83dbbf696ee732fd2e875bb

                    SHA1

                    ba360186ba650a769f9303f48b7200fb5eaccee1

                    SHA256

                    c32efac42faf4b9878fb8917c5e71d89ff40de580c4f52f62e11c6cfab55167f

                    SHA512

                    b667086ed49579592d435df2b486fe30ba1b62ddd169f19e700cd079239747dd3e20058c285fa9c10a533e34f22b5198ed9b1f92ae560a3067f3e3feacc724f1

                  • C:\Users\Admin\AppData\Local\Temp\tmpaddon-1

                    Filesize

                    13.8MB

                    MD5

                    0a8747a2ac9ac08ae9508f36c6d75692

                    SHA1

                    b287a96fd6cc12433adb42193dfe06111c38eaf0

                    SHA256

                    32d544baf2facc893057a1d97db33207e642f0dacf235d8500a0b5eff934ce03

                    SHA512

                    59521f8c61236641b3299ab460c58c8f5f26fa67e828de853c2cf372f9614d58b9f541aae325b1600ec4f3a47953caacb8122b0dfce7481acfec81045735947d

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dfn8djy7.default-release\AlternateServices.bin

                    Filesize

                    8KB

                    MD5

                    d0cb5027a9de5c6671fde51be64035f7

                    SHA1

                    a93f398bdf2a945ad0fa350a1a8b863b58e0d607

                    SHA256

                    2af944b1366efa1f8db4a88ffa87a7dbc30068a1878053aa89730dfd38a570b9

                    SHA512

                    fcfa28884c53dc7a5f03fe4a2f3b41fc2697c4943deac4461a1e6b46fb013c66f5d68e1a9f7b35987bd41aebea7c6924ac469c2e9ff76d02235d5fa098f265f6

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dfn8djy7.default-release\datareporting\glean\db\data.safe.tmp

                    Filesize

                    5KB

                    MD5

                    6f757a30e8ca40e5eb72ea446ead5d35

                    SHA1

                    1d7119107d04bc0db234b79c9ca5325fbfe7b406

                    SHA256

                    0493d69674129a7397e0c7224858d629b485c3c695e209fafc9011a3dc589ed8

                    SHA512

                    f062dae571cdfc7760f0c3c786ef70cf05e60ddcbc1f318d79834af0811db5e625e66a00e92379fa93ef8bd9c7a7e24357f2c252d09cf14a96fa4b12f1863a78

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dfn8djy7.default-release\datareporting\glean\db\data.safe.tmp

                    Filesize

                    5KB

                    MD5

                    11c69fcc192d9fe4eb8ee67d930d2c44

                    SHA1

                    6de918c63d24c40b5adc85c5854674d8729fd768

                    SHA256

                    6dfda21c7d218f402c8398f8fc26ace05977394342bc38a42202d86523c2878d

                    SHA512

                    b0e6d28f11bd22087f863c9c5ed3e74eb28e0e2139907e31d4626606409fe63aaa7d4872f23ebb68cb78200948e62e7872ab78244361868412d6e15b5f492185

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dfn8djy7.default-release\datareporting\glean\pending_pings\0cd7b0ae-8d48-4940-8c13-301c4488dffd

                    Filesize

                    26KB

                    MD5

                    00099bb17e4faee80367a35797e6d6b0

                    SHA1

                    6e6d7fb211bd90b368a24e72b26d5752fec33548

                    SHA256

                    7f11799273bb2997e52da4dfd2eb25fe7228f74e030a8314ee9d62f760d3589a

                    SHA512

                    590a9b1adf6725a6c85f58680ca85aeb788b5587935a4ff1ea801b6aad9c25f41859aa22e3e0ce1ab05a4822f81e89e33ea59bf510d10f5e3a8a265b1fac071f

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dfn8djy7.default-release\datareporting\glean\pending_pings\1c1cbef8-719c-4641-b6b9-ffb14bd47b01

                    Filesize

                    982B

                    MD5

                    39d6347c69e67face3dd370023b563ae

                    SHA1

                    6327a5394dd5f8970a5a59364c30e60a4cc79561

                    SHA256

                    33c1544c120326de4b437f1a42fd63dc351f87d2a392bd841cdfa809e0fc1ada

                    SHA512

                    035459ea83240669fac1e8ee0b2a14b1c2ab9152659aacee1ba74bc7dc0822853a3d030d0ffcffdc4d8173774b726bf3f2e0aa303bed3510d97afd359727c29e

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dfn8djy7.default-release\datareporting\glean\pending_pings\b5dae6a4-54dc-4ebc-b71a-a9ad602dbd5e

                    Filesize

                    671B

                    MD5

                    4b5c0f1c1243cb9afbdeae8ef8267352

                    SHA1

                    50937c8225fc7fabdd570e9b65854d8cde1d2cd8

                    SHA256

                    7b2a19656004cde5a517de82113694bb578b7c49b6d938ccb8df32a2293c4c70

                    SHA512

                    cf22e8b9517eb9d6684fa7538d0452ec3d730e42e09744d1140dcc8a86be677deaa888cb7838e3ef5380f915b5b6472333e64ccc71791a24107fa632b3bd3301

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dfn8djy7.default-release\gmp-gmpopenh264\2.3.2\gmpopenh264.dll

                    Filesize

                    1.1MB

                    MD5

                    842039753bf41fa5e11b3a1383061a87

                    SHA1

                    3e8fe1d7b3ad866b06dca6c7ef1e3c50c406e153

                    SHA256

                    d88dd3bfc4a558bb943f3caa2e376da3942e48a7948763bf9a38f707c2cd0c1c

                    SHA512

                    d3320f7ac46327b7b974e74320c4d853e569061cb89ca849cd5d1706330aca629abeb4a16435c541900d839f46ff72dfde04128c450f3e1ee63c025470c19157

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dfn8djy7.default-release\gmp-gmpopenh264\2.3.2\gmpopenh264.info

                    Filesize

                    116B

                    MD5

                    2a461e9eb87fd1955cea740a3444ee7a

                    SHA1

                    b10755914c713f5a4677494dbe8a686ed458c3c5

                    SHA256

                    4107f76ba1d9424555f4e8ea0acef69357dfff89dfa5f0ec72aa4f2d489b17bc

                    SHA512

                    34f73f7bf69d7674907f190f257516e3956f825e35a2f03d58201a5a630310b45df393f2b39669f9369d1ac990505a4b6849a0d34e8c136e1402143b6cedf2d3

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dfn8djy7.default-release\gmp-widevinecdm\4.10.2710.0\manifest.json

                    Filesize

                    372B

                    MD5

                    bf957ad58b55f64219ab3f793e374316

                    SHA1

                    a11adc9d7f2c28e04d9b35e23b7616d0527118a1

                    SHA256

                    bbab6ca07edbed72a966835c7907b3e60c7aa3d48ddea847e5076bd05f4b1eda

                    SHA512

                    79c179b56e4893fb729b225818ab4b95a50b69666ac41d17aad0b37ab0ca8cd9f0848cbc3c5d9e69e4640a8b261d7ced592eae9bcb0e0b63c05a56e7c477f44e

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dfn8djy7.default-release\gmp-widevinecdm\4.10.2710.0\widevinecdm.dll

                    Filesize

                    17.8MB

                    MD5

                    daf7ef3acccab478aaa7d6dc1c60f865

                    SHA1

                    f8246162b97ce4a945feced27b6ea114366ff2ad

                    SHA256

                    bc40c7821dcd3fea9923c6912ab1183a942c11b7690cfd79ed148ded0228777e

                    SHA512

                    5840a45cfdb12c005e117608b1e5d946e1b2e76443ed39ba940d7f56de4babeab09bee7e64b903eb82bb37624c0a0ef19e9b59fbe2ce2f0e0b1c7a6015a63f75

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dfn8djy7.default-release\prefs-1.js

                    Filesize

                    10KB

                    MD5

                    b5019bab1ffead0413d4e29186d54b10

                    SHA1

                    4f467d89117521bfc10b6e21059734079c493658

                    SHA256

                    9ee85e8934286ce0f0e5c17090a707743e92a05c5e6945033010db7593e00e77

                    SHA512

                    e4b69ac9a9d02e62330780b1522ac9e8f3663a9babd49c702e685b47530f7a3186b775c9bb0149fccf7cfc6e9b783af07a24076b8d08ddcdb588bb2837bf7708

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dfn8djy7.default-release\prefs-1.js

                    Filesize

                    10KB

                    MD5

                    967086a26eeb11e4812a71f5a223b9a6

                    SHA1

                    a2e47eb2eb8df397255667d7ab7f3b99e766bb98

                    SHA256

                    87b9672f7ca94fd58dc172a7d8277f9789218e2c8ca630465e9ab50c99bb476a

                    SHA512

                    eeb3b4a251dab98d06da8de6eb6776071bb59d0648d953f5dad663cd0f380d6e0589a6476a0e1a39190c28c60862e7fefd440772e850b24b1ffe6e4ed89fe159

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dfn8djy7.default-release\sessionstore-backups\recovery.baklz4

                    Filesize

                    1KB

                    MD5

                    edde228b268c7a6ffbe1c67a4910b7a4

                    SHA1

                    b13fe5e2857a379ee578ae5a54f609fb725f4208

                    SHA256

                    0153a4f4d6331e1220d2f43c6c68ca1441a2cfa070057651db318e755236c123

                    SHA512

                    e44ada2c9f8a2900e85d76a74b526981f2bb3164a8a22dfd5f596512b8e18dcd659f4c6f9886ec24e9c3498f6f16f8c68c01fc8d9066e5f492f4a6efcdb777af

                  • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dfn8djy7.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite

                    Filesize

                    376KB

                    MD5

                    5d0a485c6575ffa77a45a9789921f9f0

                    SHA1

                    207468b870c413099bb675a3e162346ee2d417bc

                    SHA256

                    728b08f74ada44e54c1b8c28beb43047e7f2c34e6abf27484626975807a5a17c

                    SHA512

                    fc94ec23d20863fad9ac2e97d919efb4d40bb9a914df7ecaeb063e6284cb008bb5ae1ec37eacc25aa3ea706ef1f00f769632314bfd5ff615b4dc217c3ebbc279

                  • memory/3232-10-0x0000000075000000-0x00000000757B1000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/3232-0-0x000000007500E000-0x000000007500F000-memory.dmp

                    Filesize

                    4KB

                  • memory/3232-1-0x0000000000280000-0x000000000029A000-memory.dmp

                    Filesize

                    104KB

                  • memory/3232-2-0x0000000005520000-0x0000000005AC6000-memory.dmp

                    Filesize

                    5.6MB

                  • memory/3232-4-0x0000000075000000-0x00000000757B1000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/3232-5-0x0000000005210000-0x00000000052A2000-memory.dmp

                    Filesize

                    584KB

                  • memory/3232-7-0x0000000004F40000-0x0000000004F4A000-memory.dmp

                    Filesize

                    40KB

                  • memory/3232-6-0x0000000075000000-0x00000000757B1000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/3232-8-0x000000007500E000-0x000000007500F000-memory.dmp

                    Filesize

                    4KB

                  • memory/3232-9-0x0000000075000000-0x00000000757B1000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/4020-21-0x000001E91F090000-0x000001E91F091000-memory.dmp

                    Filesize

                    4KB

                  • memory/4020-11-0x000001E91F090000-0x000001E91F091000-memory.dmp

                    Filesize

                    4KB

                  • memory/4020-13-0x000001E91F090000-0x000001E91F091000-memory.dmp

                    Filesize

                    4KB

                  • memory/4020-12-0x000001E91F090000-0x000001E91F091000-memory.dmp

                    Filesize

                    4KB

                  • memory/4020-23-0x000001E91F090000-0x000001E91F091000-memory.dmp

                    Filesize

                    4KB

                  • memory/4020-22-0x000001E91F090000-0x000001E91F091000-memory.dmp

                    Filesize

                    4KB

                  • memory/4020-18-0x000001E91F090000-0x000001E91F091000-memory.dmp

                    Filesize

                    4KB

                  • memory/4020-20-0x000001E91F090000-0x000001E91F091000-memory.dmp

                    Filesize

                    4KB

                  • memory/4020-19-0x000001E91F090000-0x000001E91F091000-memory.dmp

                    Filesize

                    4KB

                  • memory/4020-17-0x000001E91F090000-0x000001E91F091000-memory.dmp

                    Filesize

                    4KB