Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-01-2025 09:19

General

  • Target

    image logger.exe

  • Size

    48KB

  • MD5

    505210a90b66dceef47778cafebf7f6d

  • SHA1

    c593d5f8b4aa53c59d2568ba02e935c6a7650a1e

  • SHA256

    4f009430e013267656dca53381d5dbbf0ea5dbb695d87fcf92e8109c836efd58

  • SHA512

    992176faa1c037bdf33dd9686b49d3115f457d7b1de8b9fc36b1e59d85ac1a446ba186941c40e5c6b9da88fd27bd746c026cb028a10004c5d27e6e4419e11c23

  • SSDEEP

    768:TFWgtBBILDmY1+VxiZRkHigH8Ybug0ABsNqT5uvEgK/JfZVc6KN:TFDak8ZRkRzbR0+sNqtunkJfZVclN

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

Mutex

DcRatMutex_qwqdanchun

Attributes
  • c2_url_file

    https://Pastebin.com/raw/fevFJe98

  • delay

    1

  • install

    true

  • install_file

    image logger.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Async RAT payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 30 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 24 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\image logger.exe
    "C:\Users\Admin\AppData\Local\Temp\image logger.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2560
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "image logger" /tr '"C:\Users\Admin\AppData\Roaming\image logger.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1960
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "image logger" /tr '"C:\Users\Admin\AppData\Roaming\image logger.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2420
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp83D6.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1464
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4476
      • C:\Users\Admin\AppData\Roaming\image logger.exe
        "C:\Users\Admin\AppData\Roaming\image logger.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1856
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1200
    • C:\Windows\helppane.exe
      C:\Windows\helppane.exe -Embedding
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4468
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument microsoft-edge:https://go.microsoft.com/fwlink/?LinkId=528884
        2⤵
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:4880
        • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffd506146f8,0x7ffd50614708,0x7ffd50614718
          3⤵
            PID:3964
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,17391770378669089875,4442353970551909214,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2104 /prefetch:2
            3⤵
              PID:4776
            • 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=2112,17391770378669089875,4442353970551909214,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2204 /prefetch:3
              3⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4312
            • 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=2112,17391770378669089875,4442353970551909214,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2948 /prefetch:8
              3⤵
                PID:4264
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,17391770378669089875,4442353970551909214,131072 --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=3392 /prefetch:1
                3⤵
                  PID:2320
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,17391770378669089875,4442353970551909214,131072 --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=3400 /prefetch:1
                  3⤵
                    PID:960
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,17391770378669089875,4442353970551909214,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4904 /prefetch:1
                    3⤵
                      PID:4080
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,17391770378669089875,4442353970551909214,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3892 /prefetch:1
                      3⤵
                        PID:2388
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,17391770378669089875,4442353970551909214,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4576 /prefetch:1
                        3⤵
                          PID:3056
                    • C:\Windows\System32\CompPkgSrv.exe
                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                      1⤵
                        PID:4692
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:4608

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\image logger.exe.log

                          Filesize

                          425B

                          MD5

                          fff5cbccb6b31b40f834b8f4778a779a

                          SHA1

                          899ed0377e89f1ed434cfeecc5bc0163ebdf0454

                          SHA256

                          b8f7e4ed81764db56b9c09050f68c5a26af78d8a5e2443e75e0e1aa7cd2ccd76

                          SHA512

                          1a188a14c667bc31d2651b220aa762be9cce4a75713217846fbe472a307c7bbc6e3c27617f75f489902a534d9184648d204d03ee956ac57b11aa90551248b8f9

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

                          Filesize

                          152B

                          MD5

                          e443ee4336fcf13c698b8ab5f3c173d0

                          SHA1

                          9bf70b16f03820cbe3158e1f1396b07b8ac9d75a

                          SHA256

                          79e277da2074f9467e0518f0f26ca2ba74914bee82553f935a0ccf64a0119e8b

                          SHA512

                          cbf6f6aa0ea69b47f51592296da2b7be1180e7b483c61b4d17ba9ee1a2d3345cbe0987b96f4e25de1438b553db358f330aad8a26e8522601f055c3d5a8313cdd

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

                          Filesize

                          152B

                          MD5

                          56a4f78e21616a6e19da57228569489b

                          SHA1

                          21bfabbfc294d5f2aa1da825c5590d760483bc76

                          SHA256

                          d036661e765ee8fd18978a2b5501e8df6b220e4bca531d9860407555294c96fb

                          SHA512

                          c2c3cd1152bb486028fe75ab3ce0d0bc9d64c4ca7eb8860ddd934b2f6e0140d2c913af4fa082b88e92a6a6d20fd483a1cb9813209f371a0f56374bc97d7f863b

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

                          Filesize

                          1KB

                          MD5

                          5175f92d4d922162f52dd521498035a5

                          SHA1

                          e139144d896683b3103c12a0cbc3469ca16554ab

                          SHA256

                          c0fc54c23f32c4aed3f53ddb6e863fb83c3048c3db1d3329d8d12b4fdcfbae4f

                          SHA512

                          fdc66cef57b3a22a596ad17af7229c3b79a65458cea766d9f2b58fe9a139edba53d38d2cca02df5630de6c0af94ab2b2f811948ea1683b8a826449099dc169e4

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

                          Filesize

                          471B

                          MD5

                          800abd285601de95a983fbae5075fb7e

                          SHA1

                          5e262023c6a95042c5ecdd5da821e04afc8db777

                          SHA256

                          9b904e61a3beccaec82c0937237be9ba981d9a97b8ee4602da5bca4d852f81fa

                          SHA512

                          544c3560e08e2b52a563b7d7dad5add052cf9c9cc65e97e182349d86b1b05a82aac883a542cdba40a1ec1f425a7855eddeb74e5a62e084df2cd5dafe76848c8c

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

                          Filesize

                          6KB

                          MD5

                          289252bcdf99ffdf06ad610abce8165b

                          SHA1

                          13a96e616f0adabbbb2aec92d0fee37c83e179da

                          SHA256

                          7ae01b78f78f10eff4ad035f7a72bdb75c8757c11e28ad446712697113095826

                          SHA512

                          15c6a385cb89fa98bac2d5e2e7b0520abda4efe8afb40d9b938dd5d08a3970668620bcdf249e7dd8b3e23de753185594f999854cd58e782bead9309df2a756c1

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

                          Filesize

                          5KB

                          MD5

                          5e3fa9b2561dfb52a40ad6365ee1ba65

                          SHA1

                          8d2e7e78ac8a24ee7dc1b1f13bf9a76e6113fb4f

                          SHA256

                          92f5c40910a9308396088c4609e3e6db84e3206e819a05ff55cbbe5d804119db

                          SHA512

                          c1df27520383443e20840285c43ef57a0bc2fb87623dad3f6f340071bb35d9723088e79c620667db693f2cc963b2dcb9d9cd8f48ca7d4265652d4b3628a13d0b

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

                          Filesize

                          10KB

                          MD5

                          0170ec95284fb2b6a28cdc47adc575b5

                          SHA1

                          d06c2839bf9bffedbe180b8172a16032d9b60ce9

                          SHA256

                          99c0eae86fc52cc5da3ab0b9c45928a5f168412a2f882e76a1aebf8070f211a6

                          SHA512

                          57e30746778066803f438751935d5203e322ff753c7e9f9b57b2819c25d20cce8ad5624c64782760f83241a65a611ee4850a798534fa2364f002580ed3579b42

                        • C:\Users\Admin\AppData\Local\Temp\tmp83D6.tmp.bat

                          Filesize

                          156B

                          MD5

                          6278f191e0d3fc0a70d5eb6a59a50900

                          SHA1

                          3d97b9c6d2bccdbc6097ad0cb2cdd1b4edf320ef

                          SHA256

                          1a7c21677a658949d3307bec0e1675f95d1720e6527dfda3159ffa27272c4d05

                          SHA512

                          22689c23c99f17fdb857174a902ec17f06ef6c0f73edb5386e159b010a4916f98eb6fe7871c8376b10b0cea2e56f53456afe1ed8b9fd3c5c6a9d32289112aca3

                        • C:\Users\Admin\AppData\Roaming\image logger.exe

                          Filesize

                          48KB

                          MD5

                          505210a90b66dceef47778cafebf7f6d

                          SHA1

                          c593d5f8b4aa53c59d2568ba02e935c6a7650a1e

                          SHA256

                          4f009430e013267656dca53381d5dbbf0ea5dbb695d87fcf92e8109c836efd58

                          SHA512

                          992176faa1c037bdf33dd9686b49d3115f457d7b1de8b9fc36b1e59d85ac1a446ba186941c40e5c6b9da88fd27bd746c026cb028a10004c5d27e6e4419e11c23

                        • memory/2560-7-0x00007FFD55DD0000-0x00007FFD56891000-memory.dmp

                          Filesize

                          10.8MB

                        • memory/2560-2-0x00007FFD55DD0000-0x00007FFD56891000-memory.dmp

                          Filesize

                          10.8MB

                        • memory/2560-1-0x0000000000B30000-0x0000000000B42000-memory.dmp

                          Filesize

                          72KB

                        • memory/2560-0-0x00007FFD55DD3000-0x00007FFD55DD5000-memory.dmp

                          Filesize

                          8KB