Analysis

  • max time kernel
    43s
  • max time network
    43s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 22:38

General

  • Target

    System.exe

  • Size

    63KB

  • MD5

    b367951dd5e46dd6d3c54624112905ff

  • SHA1

    e609643f595802067e07d95aa4d0aacdb094ada8

  • SHA256

    b685bb3b4f6c19672fd4d25c0b44d3e1c6cc36ae49805b0f2618a4b621d3d4ea

  • SHA512

    941a245031ea4674f9ea756289891456cfe8d61e7aa650ed51c54361e6585854c7a435fa8ba128075a0cb8d7d15067c38f0b6f27db79447885dba9d76d2d3a66

  • SSDEEP

    1536:ChfhBLTRQUhZ4DcVVZceiHFGbbXwhwvPYDGfmpqKmY7:ChfhBLTRQUhZ4iVOeoGbbXieFz

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

!DEAD NUKER

C2

147.185.221.18:63974

Mutex

!DEADCODEMutex_lm.deadcode

Attributes
  • delay

    1

  • install

    true

  • install_file

    System.exe

  • install_folder

    %Temp%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\System.exe
    "C:\Users\Admin\AppData\Local\Temp\System.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1820
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:5012
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" "https://www.bing.com/search?q=System.exe System.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7fff71ff46f8,0x7fff71ff4708,0x7fff71ff4718
      2⤵
        PID:5096
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2064,1058835832922587571,8909742863587141183,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2068 /prefetch:2
        2⤵
          PID:1064
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2064,1058835832922587571,8909742863587141183,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2188 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4816
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2064,1058835832922587571,8909742863587141183,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2732 /prefetch:8
          2⤵
            PID:3272
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,1058835832922587571,8909742863587141183,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3424 /prefetch:1
            2⤵
              PID:2828
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,1058835832922587571,8909742863587141183,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3432 /prefetch:1
              2⤵
                PID:1400
            • C:\Windows\System32\CompPkgSrv.exe
              C:\Windows\System32\CompPkgSrv.exe -Embedding
              1⤵
                PID:4628
              • C:\Windows\System32\CompPkgSrv.exe
                C:\Windows\System32\CompPkgSrv.exe -Embedding
                1⤵
                  PID:2872
                • C:\Windows\System32\rundll32.exe
                  C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                  1⤵
                    PID:2212
                  • C:\Windows\system32\taskmgr.exe
                    "C:\Windows\system32\taskmgr.exe" /4
                    1⤵
                    • Checks SCSI registry key(s)
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3372

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.idx

                    Filesize

                    64KB

                    MD5

                    d2fb266b97caff2086bf0fa74eddb6b2

                    SHA1

                    2f0061ce9c51b5b4fbab76b37fc6a540be7f805d

                    SHA256

                    b09f68b61d9ff5a7c7c8b10eee9447d4813ee0e866346e629e788cd4adecb66a

                    SHA512

                    c3ba95a538c1d266beb83334af755c34ce642a4178ab0f2e5f7822fd6821d3b68862a8b58f167a9294e6d913b08c1054a69b5d7aec2efdb3cf9796ed84de21a8

                  • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.lock

                    Filesize

                    4B

                    MD5

                    f49655f856acb8884cc0ace29216f511

                    SHA1

                    cb0f1f87ec0455ec349aaa950c600475ac7b7b6b

                    SHA256

                    7852fce59c67ddf1d6b8b997eaa1adfac004a9f3a91c37295de9223674011fba

                    SHA512

                    599e93d25b174524495ed29653052b3590133096404873318f05fd68f4c9a5c9a3b30574551141fbb73d7329d6be342699a17f3ae84554bab784776dfda2d5f8

                  • C:\Users\Admin\AppData\Local\D3DSCache\e8010882af4f153f\F4EB2D6C-ED2B-4BDD-AD9D-F913287E6768.val

                    Filesize

                    944B

                    MD5

                    6bd369f7c74a28194c991ed1404da30f

                    SHA1

                    0f8e3f8ab822c9374409fe399b6bfe5d68cbd643

                    SHA256

                    878947d0ec814fe7c343cdebc05eebf00eb14f3023bdb3809a559e17f399fe5d

                    SHA512

                    8fc5f073dc9fa1e1ae47c60a5f06e0a48709fd6a4302dffaa721858409e7bde64bc6856d3fb28891090516d1a7afc542579de287778b5755eafe75cc67d45d93

                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                    Filesize

                    152B

                    MD5

                    61cef8e38cd95bf003f5fdd1dc37dae1

                    SHA1

                    11f2f79ecb349344c143eea9a0fed41891a3467f

                    SHA256

                    ae671613623b4477fbd5daf1fd2d148ae2a09ddcc3804b2b6d4ffcb60b317e3e

                    SHA512

                    6fb9b333fe0e8fde19fdd0bd01a1990a4e60a87c0a02bc8297da1206e42f8690d06b030308e58c862e9e77714a585eed7cc1627590d99a10aeb77fc0dd3d864d

                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                    Filesize

                    152B

                    MD5

                    0a9dc42e4013fc47438e96d24beb8eff

                    SHA1

                    806ab26d7eae031a58484188a7eb1adab06457fc

                    SHA256

                    58d66151799526b3fa372552cd99b385415d9e9a119302b99aadc34dd51dd151

                    SHA512

                    868d6b421ae2501a519595d0c34ddef25b2a98b082c5203da8349035f1f6764ddf183197f1054e7e86a752c71eccbc0649e515b63c55bc18cf5f0592397e258f

                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                    Filesize

                    72B

                    MD5

                    f2b680786b6f853452be0a2bd9f2f9b4

                    SHA1

                    a6347fa259489704d5726f9baba3c38f69167ad5

                    SHA256

                    98f1d7ebfbafb4e7b07ab925a933da2a7c0c954da0fcc3b8697c045cf11bb237

                    SHA512

                    09e55b78144f431182dc6b89a2a0b390173c8c1a87f9554420322ae307b0ed0b84dada57e9647cd5b6c2ccd97c6b36b9ebe81071accba9f29f597ae0ffabd5bc

                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                    Filesize

                    248B

                    MD5

                    aa5c9ef101e0cca61678dcaed524270e

                    SHA1

                    94f9882349038ee458e04301b6ec123b0952860f

                    SHA256

                    cf77a8227d134ac5fec1aff2b71ab2d8ff3f89b588639ee06904b6578eabf404

                    SHA512

                    81717f814dbccb17f1dab5c07b48c63a43ab326bd764e7ffef704567a99356bdf66bc47e3a06b3cf9ae9c0d09e872d5d7415fff1282d7ef759278832a8fdfe1f

                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                    Filesize

                    6KB

                    MD5

                    37d4cdbc5b284fdfce3880e72dedaa1d

                    SHA1

                    cdb0fe22e668bfc4552f045296176f9f22285c44

                    SHA256

                    9b775330f4d451b35c83c8bb2654f5bdbf5b1cd0aa91a70a46dfeac537c52df6

                    SHA512

                    5fd5f8685ec3c24ce6106a29eaf9d7e864f2469c14400770f02ff5750546e6b8c46a5e813bbc96036bed988a84c68b34c44a1d14e8d2827ca685c7d28398b655

                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\c3d32ded-3ea5-4db5-ba0d-f5cd75e57376.tmp

                    Filesize

                    5KB

                    MD5

                    3364556d5fbbf6f988ea2d54e6b39743

                    SHA1

                    c0521b7d78540978bcbf128e7b4e9ceea1f0ec52

                    SHA256

                    1f014290202b594ee0d6f5e931abf1b722868a84f0225f424829cc2c911c0222

                    SHA512

                    f02c3f4cf1ec14197353e1056bf0119d4c2c325aab4b4b8ea1bb97994dfad9a4c9dd055486c295afd41d0a430bd80b4a9f74bd7c8516273e219bb37a7924155a

                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                    Filesize

                    10KB

                    MD5

                    99b36f788b32ce9305c302c6a58625f9

                    SHA1

                    0a581840d6983d8790edbc2877da117f774d6871

                    SHA256

                    a7045f0cb274c369f05932b7cc76916d40fd429a4b5e4a7a1b9ae71a6028089d

                    SHA512

                    cad75cfc1e3101981fb7c4ec959c3303c1df9fae218dfd887256f9a116904905cd16abdf9ed5c2ed0c4dcce78a665f873205ec3fa8489ed7001a4f3ca49b52e8

                  • memory/1820-1-0x0000014FC0DC0000-0x0000014FC0DD6000-memory.dmp

                    Filesize

                    88KB

                  • memory/1820-2-0x00007FFF76D70000-0x00007FFF77831000-memory.dmp

                    Filesize

                    10.8MB

                  • memory/1820-16-0x00007FFF76D70000-0x00007FFF77831000-memory.dmp

                    Filesize

                    10.8MB

                  • memory/1820-0-0x00007FFF76D73000-0x00007FFF76D75000-memory.dmp

                    Filesize

                    8KB

                  • memory/3372-146-0x000001D81A380000-0x000001D81A381000-memory.dmp

                    Filesize

                    4KB

                  • memory/3372-148-0x000001D81A380000-0x000001D81A381000-memory.dmp

                    Filesize

                    4KB

                  • memory/3372-153-0x000001D81A380000-0x000001D81A381000-memory.dmp

                    Filesize

                    4KB

                  • memory/3372-154-0x000001D81A380000-0x000001D81A381000-memory.dmp

                    Filesize

                    4KB

                  • memory/3372-155-0x000001D81A380000-0x000001D81A381000-memory.dmp

                    Filesize

                    4KB

                  • memory/3372-156-0x000001D81A380000-0x000001D81A381000-memory.dmp

                    Filesize

                    4KB

                  • memory/3372-157-0x000001D81A380000-0x000001D81A381000-memory.dmp

                    Filesize

                    4KB

                  • memory/3372-147-0x000001D81A380000-0x000001D81A381000-memory.dmp

                    Filesize

                    4KB

                  • memory/3372-158-0x000001D81A380000-0x000001D81A381000-memory.dmp

                    Filesize

                    4KB

                  • memory/5012-4-0x00000197AA5F0000-0x00000197AA5F1000-memory.dmp

                    Filesize

                    4KB

                  • memory/5012-10-0x00000197AA5F0000-0x00000197AA5F1000-memory.dmp

                    Filesize

                    4KB

                  • memory/5012-14-0x00000197AA5F0000-0x00000197AA5F1000-memory.dmp

                    Filesize

                    4KB

                  • memory/5012-11-0x00000197AA5F0000-0x00000197AA5F1000-memory.dmp

                    Filesize

                    4KB

                  • memory/5012-3-0x00000197AA5F0000-0x00000197AA5F1000-memory.dmp

                    Filesize

                    4KB

                  • memory/5012-5-0x00000197AA5F0000-0x00000197AA5F1000-memory.dmp

                    Filesize

                    4KB

                  • memory/5012-13-0x00000197AA5F0000-0x00000197AA5F1000-memory.dmp

                    Filesize

                    4KB

                  • memory/5012-9-0x00000197AA5F0000-0x00000197AA5F1000-memory.dmp

                    Filesize

                    4KB

                  • memory/5012-12-0x00000197AA5F0000-0x00000197AA5F1000-memory.dmp

                    Filesize

                    4KB

                  • memory/5012-15-0x00000197AA5F0000-0x00000197AA5F1000-memory.dmp

                    Filesize

                    4KB